Tidal Current Predictions

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	January, 2009
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1	0345	0717	-1.3	0923	1145	+0.7	1440	1815	-2.0	2140
2		0026	+1.2	0417	0758	-1.4	1019	1240	+0.6	1538	1909	-1.7	2215
3		0111	+1.1	0454	0840	-1.6	1127	1344	+0.6	1654	2045	-1.3	2256
4		0201	+1.1	0536	0925	-1.8	1253	1457	+0.6	1825	2159	-1.1	2344
5		0255	+1.1	0623	1014	-2.2	1412	1614	+0.7	1953	2304	-1.0
6	0040	0351	+1.1	0711	1106	-2.6	1515	1720	+0.9	2107
7		0005	-1.0	0142	0448	+1.2	0800	1159	-3.0	1610	1815	+1.1	2209
8		0102	-1.1	0246	0542	+1.2	0849	1250	-3.5	1700	1905	+1.3	2301
9		0155	-1.3	0351	0634	+1.3	0939	1340	-3.7	1746	1953	+1.5	2349
10		0249	-1.4	0454	0726	+1.3	1029	1430	-4.0	1832	2039	+1.6
11	0035	0342	-1.6	0555	0818	+1.3	1120	1523	-4.0	1915	2125	+1.6
12	0118	0433	-1.8	0654	0910	+1.3	1212	1615	-3.7	1957	2208	+1.6
13	0201	0522	-1.9	0753	1001	+1.2	1304	1706	-3.4	2036	2252	+1.6
14	0242	0610	-2.0	0851	1053	+1.1	1358	1757	-2.9	2113	2335	+1.4
15	0325	0700	-1.9	0953	1148	+0.9	1457	1852	-2.3	2148
16		0021	+1.3	0409	0752	-1.9	1101	1250	+0.8	1604	1953	-1.7	2222
17		0109	+1.1	0456	0846	-1.8	1218	1404	+0.6	1728	2056	-1.2	2258
18		0201	+1.0	0547	0942	-1.8	1335	1528	+0.6	1909	2158	-0.8	2343
19		0258	+0.9	0640	1040	-1.9	1443	1643	+0.8	2038	2259	-0.7
20	0042	0357	+0.8	0730	1138	-2.2	1538	1741	+0.9	2143	2359	-0.7
21	0153	0452	+0.8	0816	1230	-2.4	1624	1828	+1.0	2234
22		0053	-0.8	0259	0540	+0.9	0858	1315	-2.6	1704	1909	+1.2	2316
23		0142	-1.0	0354	0624	+0.9	0938	1357	-2.9	1740	1947	+1.2	2353
24		0229	-1.2	0443	0706	+1.0	1017	1437	-3.0	1813	2022	+1.3
25	0027	0314	-1.3	0527	0747	+1.0	1056	1517	-3.1	1844	2054	+1.4
26	0056	0358	-1.4	0608	0828	+1.0	1135	1555	-3.1	1912	2125	+1.4
27	0122	0437	-1.6	0648	0910	+1.0	1214	1630	-3.0	1939	2157	+1.4
28	0147	0513	-1.7	0728	0952	+1.0	1255	1658	-2.8	2004	2231	+1.4
29	0212	0541	-1.7	0808	1035	+0.9	1338	1720	-2.5	2032	2307	+1.3
30	0241	0555	-1.8	0852	1121	+0.8	1426	1749	-2.0	2102	2346	+1.2
31	0314	0616	-1.9	0941	1213	+0.8	1523	1834	-1.7	2136

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	February, 2009
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1		0031	+1.2	0354	0658	-2.0	1041	1316	+0.7	1636	1951	-1.2	2216
2		0121	+1.1	0441	0754	-2.2	1205	1430	+0.7	1809	2130	-0.8	2305
3		0218	+1.0	0536	0906	-2.3	1340	1551	+0.8	1947	2243	-0.7
4	0008	0321	+1.0	0636	1031	-2.5	1453	1702	+1.0	2103	2349	-0.8
5	0124	0425	+1.0	0736	1146	-2.9	1551	1759	+1.2	2159
6		0048	-1.2	0244	0525	+1.2	0833	1247	-3.4	1642	1847	+1.4	2245
7		0142	-1.4	0358	0622	+1.2	0929	1341	-3.6	1728	1933	+1.5	2326
8		0233	-1.8	0502	0715	+1.3	1023	1432	-3.7	1812	2017	+1.6
9	0005	0322	-2.0	0559	0808	+1.3	1116	1522	-3.6	1853	2100	+1.6
10	0043	0409	-2.3	0653	0859	+1.3	1208	1610	-3.4	1932	2141	+1.6
11	0120	0454	-2.4	0746	0949	+1.2	1300	1657	-3.0	2008	2221	+1.5
12	0158	0537	-2.4	0838	1039	+1.1	1353	1744	-2.5	2040	2301	+1.4
13	0236	0620	-2.3	0931	1130	+1.0	1450	1833	-2.0	2110	2342	+1.2
14	0317	0706	-2.0	1029	1228	+0.8	1554	1928	-1.4	2139
15		0027	+1.0	0400	0759	-1.8	1139	1338	+0.7	1717	2029	-1.0	2212
16		0116	+0.8	0451	0859	-1.7	1256	1501	+0.6	1902	2132	-0.7	2256
17		0213	+0.7	0549	1002	-1.7	1407	1618	+0.7	2028	2235	-0.6
18	0000	0316	+0.7	0650	1106	-1.8	1505	1717	+0.9	2127	2336	-0.6
19	0131	0421	+0.7	0746	1203	-2.0	1551	1802	+1.0	2210
20		0031	-0.8	0250	0517	+0.8	0835	1252	-2.4	1630	1841	+1.1	2245
21		0120	-1.2	0348	0603	+0.8	0919	1334	-2.6	1705	1914	+1.2	2314
22		0203	-1.4	0435	0646	+0.9	1001	1414	-2.9	1736	1945	+1.3	2339
23		0244	-1.7	0516	0727	+1.0	1041	1453	-3.0	1805	2015	+1.4
24	0001	0322	-1.8	0553	0808	+1.0	1122	1530	-2.9	1832	2046	+1.4
25	0024	0355	-2.0	0630	0850	+1.1	1202	1605	-2.8	1858	2119	+1.4
26	0049	0420	-2.2	0706	0932	+1.1	1244	1635	-2.5	1925	2154	+1.4
27	0116	0431	-2.4	0743	1015	+1.1	1329	1700	-2.3	1954	2231	+1.4
28	0147	0453	-2.5	0825	1101	+1.0	1418	1731	-1.9	2027	2311	+1.3

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	March, 2009
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1	0224	0528	-2.6	0913	1153	+0.9	1517	1817	-1.4	2103	2357	+1.2
2	0306	0613	-2.6	1011	1255	+0.8	1630	1945	-1.0	2147
3		0049	+1.0	0357	0710	-2.5	1131	1408	+0.8	1805	2116	-0.7	2242
4		0150	+1.0	0458	0825	-2.4	1308	1528	+0.9	1941	2228	-0.8	2358
5		0258	+0.9	0608	1014	-2.5	1425	1639	+1.1	2047	2334	-1.1
6	0133	0408	+1.0	0719	1136	-2.8	1525	1736	+1.3	2135
7		0033	-1.4	0300	0514	+1.1	0824	1239	-3.0	1616	1824	+1.4	2215
8		0125	-1.9	0507	0713	+1.2	1025	1432	-3.2	1802	2008	+1.6	2351
9		0313	-2.3	0605	0807	+1.3	1121	1521	-3.2	1845	2050	+1.6
10	0027	0357	-2.5	0657	0858	+1.4	1215	1609	-3.1	1924	2131	+1.6
11	0102	0440	-2.8	0747	0948	+1.4	1307	1655	-2.9	2001	2210	+1.5
12	0137	0521	-2.8	0834	1036	+1.3	1358	1741	-2.5	2034	2249	+1.4
13	0213	0600	-2.6	0921	1124	+1.2	1450	1826	-2.2	2104	2327	+1.2
14	0249	0637	-2.4	1008	1213	+1.0	1546	1914	-1.7	2132
15		0006	+1.1	0327	0715	-2.2	1057	1306	+0.9	1650	2008	-1.2	2202
16		0048	+0.9	0408	0803	-1.9	1155	1410	+0.8	1812	2108	-0.8	2239
17		0135	+0.7	0455	0913	-1.7	1304	1526	+0.7	1951	2210	-0.6	2328
18		0231	+0.6	0554	1023	-1.6	1415	1641	+0.8	2105	2312	-0.6
19	0043	0337	+0.5	0704	1129	-1.7	1515	1741	+0.9	2155
20		0012	-0.7	0230	0449	+0.6	0813	1229	-1.8	1603	1826	+1.0	2232
21		0106	-1.1	0346	0553	+0.7	0911	1320	-2.2	1643	1901	+1.1	2300
22		0152	-1.4	0439	0643	+0.8	1000	1405	-2.4	1718	1932	+1.2	2323
23		0233	-1.8	0523	0726	+0.9	1045	1446	-2.5	1750	2002	+1.3	2343
24		0309	-2.0	0601	0807	+1.0	1128	1524	-2.5	1819	2032	+1.3
25	0005	0341	-2.3	0636	0849	+1.1	1210	1602	-2.5	1847	2106	+1.4
26	0029	0406	-2.5	0711	0931	+1.2	1252	1638	-2.4	1915	2142	+1.4
27	0057	0420	-2.8	0746	1014	+1.2	1336	1713	-2.2	1946	2220	+1.4
28	0129	0442	-3.1	0825	1058	+1.2	1424	1747	-1.9	2019	2300	+1.3
29	0204	0516	-3.2	0908	1145	+1.2	1517	1826	-1.6	2056	2343	+1.2
30	0244	0557	-3.2	0957	1238	+1.1	1618	1924	-1.2	2139
31		0030	+1.1	0330	0645	-3.1	1055	1338	+1.0	1731	2050	-1.0	2230

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	April, 2009
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1		0125	+1.0	0424	0742	-2.8	1208	1448	+1.0	1900	2205	-0.8	2337
2		0229	+0.9	0529	0902	-2.4	1334	1602	+1.0	2020	2313	-1.0
3	0110	0340	+0.8	0647	1101	-2.4	1449	1710	+1.2	2116
4		0017	-1.4	0252	0456	+0.9	0807	1219	-2.5	1550	1807	+1.3	2159
5		0114	-1.9	0408	0605	+1.0	0919	1322	-2.6	1643	1855	+1.4	2237
6		0204	-2.4	0508	0705	+1.2	1023	1415	-2.8	1729	1938	+1.5	2312
7		0248	-2.8	0601	0758	+1.3	1121	1503	-2.6	1811	2019	+1.5	2347
8		0330	-3.0	0650	0849	+1.4	1215	1550	-2.5	1850	2059	+1.4
9	0021	0410	-3.0	0736	0937	+1.4	1307	1636	-2.3	1926	2138	+1.4
10	0056	0448	-3.0	0821	1024	+1.3	1358	1722	-1.9	1958	2216	+1.2
11	0130	0525	-2.9	0904	1110	+1.2	1450	1809	-1.7	2028	2255	+1.1
12	0206	0559	-2.6	0946	1156	+1.1	1547	1857	-1.3	2059	2333	+1.0
13	0242	0631	-2.4	1029	1245	+1.0	1650	1950	-1.0	2134
14		0014	+0.8	0321	0706	-2.0	1114	1340	+0.9	1805	2048	-0.7	2217
15		0100	+0.7	0406	0820	-1.8	1206	1443	+0.8	1925	2148	-0.7	2314
16		0155	+0.5	0501	0943	-1.6	1306	1548	+0.8	2026	2246	-0.7
17	0037	0300	+0.4	0612	1050	-1.6	1406	1646	+0.9	2110	2342	-1.0
18	0220	0413	+0.5	0733	1149	-1.7	1457	1733	+1.0	2141
19		0034	-1.3	0331	0524	+0.6	0843	1243	-1.8	1541	1810	+1.1	2205
20		0119	-1.7	0423	0619	+0.7	0940	1331	-1.9	1618	1843	+1.2	2225
21		0158	-2.0	0505	0705	+0.9	1029	1414	-2.0	1652	1916	+1.2	2247
22		0231	-2.4	0544	0748	+1.0	1115	1454	-2.0	1725	1951	+1.3	2312
23		0258	-2.8	0620	0830	+1.1	1200	1534	-2.0	1758	2028	+1.3	2342
24		0316	-3.0	0656	0914	+1.2	1245	1614	-1.9	1832	2108	+1.4
25	0014	0337	-3.4	0734	0959	+1.3	1333	1655	-1.7	1909	2150	+1.3
26	0051	0410	-3.6	0815	1045	+1.3	1423	1740	-1.6	1949	2233	+1.3
27	0131	0451	-3.7	0901	1133	+1.3	1518	1832	-1.3	2034	2320	+1.2
28	0215	0536	-3.7	0950	1225	+1.3	1619	1933	-1.2	2125
29		0010	+1.1	0304	0626	-3.4	1046	1322	+1.2	1727	2042	-1.1	2226
30		0106	+0.9	0401	0726	-2.9	1147	1425	+1.2	1840	2150	-1.1	2345

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	May, 2009
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1		0211	+0.8	0509	0857	-2.4	1256	1530	+1.2	1944	2253	-1.3
2	0125	0325	+0.8	0630	1043	-2.2	1406	1634	+1.2	2035	2354	-1.8
3	0255	0443	+0.8	0757	1155	-2.2	1507	1731	+1.3	2118
4		0050	-2.3	0404	0556	+1.0	0916	1258	-2.0	1602	1821	+1.4	2157
5		0139	-2.6	0502	0657	+1.1	1024	1352	-2.0	1650	1906	+1.4	2233
6		0223	-3.0	0554	0749	+1.2	1123	1441	-2.0	1733	1947	+1.4	2309
7		0303	-3.1	0641	0839	+1.3	1217	1528	-1.8	1812	2027	+1.3	2344
8		0342	-3.1	0725	0926	+1.3	1309	1615	-1.7	1848	2107	+1.2
9	0019	0420	-3.1	0807	1012	+1.3	1400	1703	-1.4	1922	2146	+1.1
10	0054	0458	-3.0	0847	1056	+1.2	1452	1751	-1.3	1955	2225	+1.0
11	0130	0534	-2.9	0926	1139	+1.2	1546	1840	-1.1	2032	2305	+0.9
12	0206	0608	-2.6	1003	1222	+1.1	1642	1931	-1.0	2114	2346	+0.8
13	0245	0643	-2.4	1039	1307	+1.0	1741	2025	-0.8	2202
14		0031	+0.6	0327	0737	-2.0	1116	1356	+1.0	1839	2120	-0.8	2301
15		0123	+0.5	0418	0900	-1.8	1158	1446	+1.0	1930	2214	-1.0
16	0018	0224	+0.4	0524	1007	-1.6	1244	1536	+1.0	2008	2306	-1.2
17	0149	0334	+0.4	0647	1106	-1.4	1333	1624	+1.0	2037	2355	-1.4
18	0303	0447	+0.5	0808	1202	-1.4	1422	1709	+1.0	2101
19		0039	-1.8	0358	0552	+0.7	0916	1253	-1.4	1506	1751	+1.1	2127
20		0118	-2.3	0444	0643	+0.8	1013	1340	-1.6	1548	1832	+1.2	2155
21		0151	-2.6	0525	0729	+1.0	1105	1425	-1.6	1629	1913	+1.2	2227
22		0216	-3.0	0605	0814	+1.2	1153	1509	-1.6	1711	1955	+1.3	2303
23		0240	-3.5	0646	0859	+1.3	1242	1554	-1.4	1754	2039	+1.3	2341
24		0311	-3.7	0728	0946	+1.4	1332	1642	-1.4	1840	2125	+1.3
25	0023	0351	-4.0	0811	1033	+1.4	1423	1734	-1.3	1929	2213	+1.3
26	0108	0436	-4.0	0857	1121	+1.5	1516	1828	-1.3	2023	2302	+1.2
27	0156	0526	-3.8	0944	1210	+1.4	1611	1925	-1.3	2122	2354	+1.1
28	0248	0619	-3.5	1032	1302	+1.4	1707	2025	-1.3	2230
29		0051	+1.0	0346	0722	-2.9	1123	1357	+1.3	1804	2127	-1.4	2351
30		0155	+0.8	0454	0856	-2.4	1217	1455	+1.3	1859	2226	-1.7
31	0122	0309	+0.8	0617	1019	-1.9	1316	1554	+1.2	1950	2324	-2.0

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	June, 2009
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1	0245	0429	+0.8	0748	1127	-1.7	1416	1652	+1.2	2036
2		0020	-2.3	0354	0545	+0.9	0914	1230	-1.6	1513	1745	+1.2	2118
3		0112	-2.6	0452	0647	+1.0	1026	1327	-1.4	1605	1833	+1.2	2157
4		0158	-2.9	0543	0739	+1.2	1127	1418	-1.3	1651	1917	+1.2	2235
5		0240	-3.0	0629	0828	+1.2	1221	1507	-1.3	1733	1958	+1.1	2312
6		0320	-3.1	0712	0913	+1.3	1311	1555	-1.2	1813	2039	+1.1	2349
7		0400	-3.1	0751	0957	+1.3	1359	1644	-1.2	1852	2119	+1.0
8	0025	0439	-3.1	0828	1038	+1.3	1446	1732	-1.2	1931	2200	+1.0
9	0102	0519	-3.0	0903	1117	+1.3	1532	1819	-1.1	2013	2240	+0.9
10	0140	0557	-2.9	0935	1154	+1.2	1615	1907	-1.1	2058	2322	+0.8
11	0219	0635	-2.6	1005	1231	+1.2	1656	1955	-1.1	2146
12		0006	+0.7	0301	0715	-2.4	1034	1310	+1.2	1735	2044	-1.1	2239
13		0054	+0.6	0348	0811	-2.0	1106	1352	+1.1	1811	2133	-1.2	2341
14		0150	+0.5	0447	0918	-1.7	1142	1436	+1.0	1847	2221	-1.3
15	0057	0255	+0.5	0603	1020	-1.3	1223	1524	+1.0	1921	2308	-1.6
16	0219	0407	+0.5	0731	1119	-1.2	1309	1613	+1.0	1956	2352	-1.9
17	0326	0520	+0.6	0853	1216	-1.1	1359	1703	+1.1	2033
18		0033	-2.3	0420	0621	+0.8	1000	1309	-1.1	1451	1753	+1.1	2111
19		0110	-2.8	0508	0712	+1.0	1058	1400	-1.1	1542	1841	+1.2	2151
20		0144	-3.1	0552	0759	+1.2	1150	1449	-1.2	1635	1929	+1.2	2234
21		0220	-3.6	0636	0845	+1.3	1239	1538	-1.2	1730	2017	+1.3	2318
22		0301	-3.8	0720	0932	+1.4	1326	1630	-1.3	1826	2107	+1.3
23	0005	0346	-4.0	0804	1018	+1.6	1413	1723	-1.4	1923	2157	+1.3
24	0054	0436	-4.0	0847	1104	+1.6	1500	1814	-1.6	2022	2248	+1.2
25	0145	0529	-3.7	0930	1150	+1.6	1546	1906	-1.7	2124	2341	+1.1
26	0239	0625	-3.4	1012	1236	+1.5	1632	2000	-1.8	2230
27		0036	+1.0	0337	0728	-2.8	1054	1326	+1.4	1720	2056	-1.8	2343
28		0139	+0.8	0444	0842	-2.2	1137	1418	+1.3	1810	2153	-1.9
29	0105	0251	+0.7	0604	0953	-1.7	1223	1513	+1.2	1902	2250	-2.0
30	0227	0412	+0.7	0739	1058	-1.3	1316	1610	+1.1	1953	2348	-2.2

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	July, 2009
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1	0338	0531	+0.8	0913	1201	-1.1	1415	1708	+1.0	2041
2		0044	-2.4	0438	0635	+1.0	1028	1301	-1.0	1517	1802	+1.0	2125
3		0136	-2.6	0529	0727	+1.1	1128	1356	-1.0	1613	1849	+1.0	2207
4		0221	-2.8	0613	0813	+1.2	1218	1446	-1.0	1704	1933	+1.0	2247
5		0302	-3.0	0653	0856	+1.3	1302	1535	-1.1	1750	2015	+1.0	2325
6		0343	-3.1	0730	0936	+1.3	1343	1622	-1.2	1834	2056	+1.0
7	0004	0424	-3.1	0803	1013	+1.4	1421	1708	-1.2	1916	2137	+1.0
8	0042	0504	-3.1	0834	1047	+1.4	1456	1753	-1.3	1958	2218	+0.9
9	0121	0542	-3.0	0903	1120	+1.4	1527	1835	-1.4	2040	2300	+0.9
10	0200	0619	-2.8	0929	1152	+1.3	1556	1916	-1.4	2123	2342	+0.8
11	0242	0652	-2.5	0955	1227	+1.3	1625	1956	-1.4	2208
12		0027	+0.7	0328	0724	-2.0	1024	1305	+1.2	1655	2036	-1.4	2258
13		0119	+0.6	0422	0810	-1.7	1056	1347	+1.1	1730	2116	-1.6	2359
14		0219	+0.6	0530	0929	-1.2	1132	1434	+1.0	1810	2159	-1.7
15	0119	0329	+0.5	0659	1038	-1.0	1216	1526	+1.0	1855	2247	-1.9
16	0245	0447	+0.6	0834	1142	-0.7	1308	1622	+1.0	1944	2340	-2.3
17	0352	0558	+0.8	0952	1243	-0.8	1409	1720	+1.0	2034
18		0035	-2.8	0448	0654	+1.0	1053	1340	-1.0	1514	1816	+1.1	2124
19		0127	-3.1	0536	0743	+1.2	1142	1433	-1.1	1620	1909	+1.2	2214
20		0216	-3.6	0622	0829	+1.4	1225	1524	-1.3	1725	2001	+1.3	2305
21		0305	-3.8	0706	0914	+1.6	1307	1614	-1.6	1827	2053	+1.3	2356
22		0355	-3.8	0748	0958	+1.6	1348	1704	-1.8	1925	2145	+1.3
23	0047	0447	-3.8	0829	1041	+1.6	1428	1752	-2.0	2023	2236	+1.3
24	0140	0538	-3.6	0909	1124	+1.6	1508	1839	-2.2	2120	2328	+1.2
25	0234	0629	-3.1	0947	1207	+1.5	1550	1927	-2.2	2220
26		0022	+1.0	0332	0722	-2.5	1023	1252	+1.4	1633	2017	-2.2	2324
27		0121	+0.9	0436	0823	-1.9	1058	1339	+1.2	1719	2113	-2.0
28	0039	0230	+0.8	0554	0928	-1.3	1135	1431	+1.0	1811	2211	-1.9
29	0200	0352	+0.7	0734	1032	-1.0	1219	1528	+0.9	1907	2313	-1.9
30	0314	0514	+0.8	0913	1136	-0.7	1318	1630	+0.8	2004
31		0015	-2.0	0416	0618	+0.9	1025	1238	-0.7	1437	1732	+0.8	2056

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	August, 2009
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1		0113	-2.3	0506	0709	+1.0	1118	1335	-0.8	1552	1826	+0.9	2144
2		0202	-2.5	0549	0753	+1.2	1200	1426	-1.0	1650	1912	+0.9	2227
3		0244	-2.8	0626	0832	+1.2	1236	1512	-1.2	1739	1955	+1.0	2308
4		0324	-3.0	0700	0907	+1.3	1309	1557	-1.4	1823	2036	+1.0	2347
5		0403	-3.1	0731	0940	+1.4	1338	1639	-1.6	1903	2117	+1.0
6	0027	0443	-3.1	0759	1010	+1.4	1404	1719	-1.7	1941	2158	+1.0
7	0106	0521	-3.0	0825	1041	+1.4	1429	1756	-1.8	2018	2238	+1.0
8	0147	0556	-2.8	0851	1113	+1.4	1454	1827	-1.8	2056	2320	+1.0
9	0228	0627	-2.4	0917	1148	+1.3	1521	1844	-1.9	2136
10		0003	+0.9	0314	0651	-2.0	0945	1225	+1.2	1552	1856	-1.9	2220
11		0052	+0.8	0406	0723	-1.6	1016	1306	+1.2	1628	1930	-2.0	2312
12		0149	+0.7	0512	0827	-1.1	1052	1354	+1.0	1711	2018	-2.0
13	0023	0258	+0.6	0640	1006	-0.7	1136	1448	+1.0	1803	2122	-2.2
14	0159	0418	+0.7	0822	1118	-0.6	1234	1550	+0.9	1903	2245	-2.3
15	0321	0533	+0.9	0942	1224	-0.7	1348	1654	+1.0	2005
16		0012	-2.6	0422	0632	+1.1	1036	1323	-1.0	1510	1757	+1.0	2105
17		0118	-3.0	0513	0721	+1.3	1119	1417	-1.3	1627	1855	+1.2	2202
18		0214	-3.4	0600	0806	+1.5	1157	1506	-1.8	1733	1950	+1.3	2258
19		0304	-3.6	0643	0850	+1.6	1234	1554	-2.2	1832	2043	+1.4	2352
20		0354	-3.6	0725	0932	+1.6	1311	1640	-2.4	1926	2134	+1.4
21	0045	0444	-3.5	0804	1014	+1.6	1349	1724	-2.5	2019	2225	+1.4
22	0138	0532	-3.1	0842	1055	+1.6	1426	1807	-2.6	2111	2316	+1.2
23	0232	0620	-2.8	0917	1136	+1.4	1505	1849	-2.5	2204
24		0007	+1.1	0329	0709	-2.2	0950	1218	+1.3	1546	1934	-2.3	2301
25		0103	+1.0	0432	0804	-1.6	1022	1302	+1.1	1630	2026	-2.0
26	0007	0209	+0.8	0549	0906	-1.1	1056	1352	+0.9	1720	2129	-1.8
27	0124	0328	+0.7	0732	1009	-0.7	1139	1448	+0.8	1818	2236	-1.7
28	0239	0449	+0.8	0904	1113	-0.6	1243	1553	+0.6	1924	2342	-1.8
29	0341	0554	+0.9	1007	1216	-0.6	1425	1703	+0.6	2028
30		0044	-1.9	0431	0643	+1.0	1051	1313	-0.8	1547	1804	+0.7	2122
31		0135	-2.3	0513	0723	+1.1	1126	1402	-1.2	1644	1853	+0.8	2209

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	September, 2009
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1		0219	-2.5	0548	0758	+1.2	1156	1446	-1.6	1730	1936	+0.9	2252
2		0259	-2.8	0621	0830	+1.3	1221	1526	-1.8	1811	2017	+1.0	2334
3		0338	-2.9	0650	0859	+1.3	1244	1604	-1.9	1847	2057	+1.0
4	0014	0417	-2.8	0718	0930	+1.4	1307	1639	-2.2	1922	2137	+1.1
5	0055	0455	-2.6	0744	1001	+1.4	1331	1707	-2.3	1956	2218	+1.1
6	0136	0531	-2.4	0810	1035	+1.4	1357	1721	-2.4	2031	2259	+1.1
7	0218	0603	-2.2	0838	1111	+1.3	1426	1735	-2.5	2108	2343	+1.0
8	0305	0629	-1.8	0908	1150	+1.2	1500	1806	-2.6	2151
9		0031	+0.9	0359	0703	-1.4	0942	1232	+1.1	1539	1846	-2.6	2242
10		0127	+0.8	0505	0814	-1.0	1021	1321	+1.0	1625	1936	-2.5	2348
11		0234	+0.8	0632	0949	-0.7	1112	1419	+0.9	1722	2040	-2.4
12	0117	0350	+0.8	0809	1100	-0.7	1221	1524	+0.8	1830	2212	-2.3
13	0243	0504	+1.0	0918	1206	-1.0	1353	1635	+0.9	1943	2357	-2.5
14	0348	0605	+1.2	1005	1305	-1.3	1526	1744	+1.0	2053
15		0106	-2.9	0443	0654	+1.4	1044	1358	-1.8	1638	1845	+1.2	2156
16		0203	-3.1	0530	0739	+1.5	1120	1445	-2.3	1738	1941	+1.3	2255
17		0253	-3.2	0614	0822	+1.6	1156	1529	-2.6	1832	2034	+1.4	2351
18		0342	-3.1	0656	0903	+1.6	1232	1612	-2.9	1922	2125	+1.4
19	0045	0431	-2.9	0734	0945	+1.5	1308	1654	-3.0	2011	2215	+1.4
20	0138	0518	-2.6	0811	1025	+1.4	1345	1734	-2.9	2059	2304	+1.3
21	0232	0606	-2.2	0845	1105	+1.3	1423	1812	-2.8	2148	2354	+1.2
22	0329	0655	-1.7	0917	1146	+1.1	1502	1850	-2.4	2238
23		0047	+1.0	0432	0748	-1.3	0949	1228	+1.0	1543	1935	-2.2	2334
24		0147	+0.9	0550	0847	-0.8	1026	1315	+0.8	1630	2043	-1.8
25	0039	0259	+0.8	0724	0949	-0.6	1115	1411	+0.6	1727	2158	-1.6
26	0148	0413	+0.8	0840	1051	-0.6	1232	1517	+0.5	1838	2305	-1.6
27	0249	0516	+0.9	0933	1151	-0.8	1424	1632	+0.5	1953
28		0007	-1.7	0340	0605	+1.0	1011	1246	-1.1	1539	1741	+0.6	2058
29		0100	-1.9	0423	0644	+1.1	1041	1334	-1.4	1633	1833	+0.8	2151
30		0147	-2.2	0459	0716	+1.2	1105	1415	-1.8	1716	1917	+0.9	2237

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	October, 2009
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1		0229	-2.4	0532	0746	+1.2	1126	1452	-2.2	1754	1957	+1.0	2321
2		0310	-2.4	0601	0816	+1.3	1148	1526	-2.4	1830	2037	+1.1
3	0003	0349	-2.4	0630	0848	+1.3	1212	1554	-2.5	1903	2118	+1.2
4	0045	0428	-2.2	0658	0923	+1.3	1239	1611	-2.8	1936	2159	+1.2
5	0127	0506	-2.0	0728	1000	+1.3	1308	1626	-3.0	2011	2242	+1.2
6	0212	0542	-1.8	0800	1039	+1.3	1342	1656	-3.2	2050	2327	+1.2
7	0302	0619	-1.4	0835	1120	+1.2	1419	1734	-3.2	2134
8		0015	+1.1	0358	0706	-1.2	0915	1205	+1.1	1502	1818	-3.2	2225
9		0110	+1.0	0504	0820	-0.8	1002	1256	+1.0	1552	1910	-3.0	2327
10		0213	+1.0	0623	0935	-0.8	1104	1356	+0.8	1652	2014	-2.6
11	0041	0322	+1.0	0742	1043	-1.0	1226	1505	+0.8	1805	2159	-2.3
12	0200	0430	+1.1	0841	1145	-1.3	1410	1619	+0.8	1927	2338	-2.4
13	0308	0531	+1.2	0925	1243	-1.8	1534	1732	+1.0	2045
14		0047	-2.5	0405	0622	+1.4	1004	1335	-2.3	1640	1837	+1.1	2154
15		0145	-2.6	0455	0708	+1.4	1041	1421	-2.8	1736	1933	+1.3	2256
16		0236	-2.6	0540	0751	+1.5	1117	1504	-3.1	1827	2025	+1.4	2353
17		0325	-2.4	0622	0833	+1.5	1154	1545	-3.2	1915	2115	+1.4
18	0047	0413	-2.3	0701	0914	+1.4	1230	1625	-3.2	2002	2205	+1.4
19	0141	0502	-1.9	0738	0955	+1.3	1307	1704	-3.1	2047	2252	+1.3
20	0235	0550	-1.7	0812	1036	+1.2	1345	1742	-2.9	2132	2340	+1.2
21	0332	0640	-1.3	0846	1116	+1.0	1423	1818	-2.6	2216
22		0029	+1.1	0435	0732	-1.1	0923	1158	+0.8	1503	1857	-2.3	2301
23		0122	+1.0	0545	0828	-0.8	1007	1244	+0.7	1547	1959	-1.9	2349
24		0221	+0.9	0658	0927	-0.7	1104	1337	+0.6	1640	2118	-1.7
25	0042	0322	+0.9	0800	1025	-0.8	1227	1441	+0.4	1749	2225	-1.6
26	0138	0421	+0.9	0846	1120	-1.0	1408	1554	+0.4	1911	2325	-1.6
27	0231	0510	+1.0	0920	1213	-1.3	1520	1710	+0.5	2028
28		0021	-1.7	0316	0551	+1.0	0946	1259	-1.7	1613	1809	+0.7	2129
29		0111	-1.8	0356	0625	+1.1	1009	1340	-2.0	1657	1856	+0.8	2222
30		0157	-1.9	0431	0658	+1.2	1031	1416	-2.4	1736	1938	+1.0	2308
31		0239	-1.9	0505	0733	+1.2	1056	1446	-2.6	1812	2018	+1.1	2353

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	November, 2009
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1		0221	-1.8	0437	0709	+1.2	1024	1408	-3.0	1747	2000	+1.2	2337
2		0302	-1.7	0511	0747	+1.3	1055	1424	-3.2	1823	2043	+1.2
3	0022	0344	-1.6	0548	0828	+1.3	1130	1452	-3.5	1900	2127	+1.3
4	0110	0428	-1.4	0626	0911	+1.2	1208	1529	-3.7	1941	2213	+1.3
5	0201	0514	-1.2	0709	0956	+1.2	1250	1612	-3.7	2026	2301	+1.3
6	0256	0608	-1.1	0758	1044	+1.1	1336	1700	-3.5	2115	2353	+1.3
7	0356	0711	-1.1	0856	1137	+1.0	1429	1753	-3.1	2209
8		0050	+1.2	0500	0817	-1.1	1007	1238	+0.8	1531	1901	-2.6	2309
9		0151	+1.2	0602	0920	-1.3	1137	1348	+0.8	1648	2051	-2.3
10	0015	0253	+1.2	0656	1020	-1.7	1314	1505	+0.8	1815	2215	-2.0
11	0121	0353	+1.3	0742	1117	-2.2	1431	1621	+0.9	1939	2323	-2.0
12	0221	0448	+1.3	0824	1209	-2.6	1534	1728	+1.1	2053
13		0022	-1.9	0314	0536	+1.4	0903	1257	-3.0	1629	1825	+1.2	2159
14		0116	-1.9	0402	0621	+1.4	0942	1340	-3.2	1719	1917	+1.3	2257
15		0206	-1.8	0446	0704	+1.3	1020	1421	-3.2	1806	2006	+1.4	2352
16		0255	-1.7	0527	0746	+1.2	1058	1502	-3.2	1851	2054	+1.4
17	0046	0345	-1.4	0606	0828	+1.2	1135	1542	-3.1	1934	2140	+1.3
18	0139	0434	-1.3	0644	0909	+1.0	1213	1622	-3.0	2015	2224	+1.3
19	0232	0523	-1.2	0723	0950	+0.9	1252	1701	-2.8	2053	2308	+1.2
20	0326	0613	-1.1	0805	1032	+0.8	1331	1742	-2.5	2128	2351	+1.1
21	0420	0705	-1.0	0854	1117	+0.7	1414	1832	-2.2	2203
22		0037	+1.1	0513	0758	-1.0	0951	1207	+0.6	1503	1938	-1.9	2239
23		0124	+1.0	0602	0852	-1.1	1103	1305	+0.4	1605	2043	-1.7	2320
24		0213	+1.0	0643	0943	-1.2	1231	1413	+0.4	1725	2143	-1.4
25	0005	0301	+1.0	0716	1033	-1.4	1347	1529	+0.5	1851	2240	-1.3
26	0053	0347	+1.0	0743	1119	-1.8	1446	1639	+0.6	2005	2333	-1.3
27	0140	0430	+1.0	0810	1201	-2.2	1534	1733	+0.8	2106
28		0023	-1.3	0224	0512	+1.1	0839	1237	-2.5	1616	1818	+0.9	2159
29		0110	-1.3	0305	0553	+1.2	0909	1307	-2.9	1655	1901	+1.1	2247
30		0154	-1.3	0347	0634	+1.2	0943	1330	-3.2	1734	1944	+1.2	2333

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.

Alcatraz Island, 0.8 mile east of
Predicted Tidal Current	December, 2009
Flood Direction, 134 True.	Ebb (-)Direction, 314 True.
NOAA, National Ocean Service

	Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current		Slack Water	Maximum Current
Day	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots	Time h.m.	Time h.m.	Veloc knots
1		0239	-1.3	0430	0718	+1.2	1021	1355	-3.6	1813	2028	+1.3
2	0019	0326	-1.2	0516	0803	+1.2	1101	1431	-3.8	1853	2112	+1.4
3	0106	0414	-1.2	0604	0849	+1.2	1144	1514	-4.0	1935	2158	+1.4
4	0154	0504	-1.3	0656	0938	+1.2	1231	1601	-3.8	2018	2244	+1.5
5	0242	0556	-1.3	0753	1028	+1.1	1320	1651	-3.6	2102	2332	+1.4
6	0332	0652	-1.4	0856	1122	+1.0	1416	1747	-3.2	2148
7		0024	+1.4	0424	0751	-1.6	1009	1222	+0.9	1519	1858	-2.6	2237
8		0118	+1.3	0516	0851	-1.7	1134	1331	+0.8	1635	2034	-2.2	2330
9		0215	+1.3	0609	0949	-2.0	1303	1449	+0.8	1804	2150	-1.8
10	0029	0314	+1.2	0659	1046	-2.3	1420	1609	+0.8	1936	2257	-1.6
11	0131	0411	+1.2	0745	1142	-2.6	1524	1719	+1.0	2057	2359	-1.3
12	0230	0504	+1.2	0829	1234	-2.9	1620	1816	+1.2	2205
13		0055	-1.3	0324	0553	+1.2	0911	1320	-3.1	1710	1907	+1.2	2303
14		0147	-1.3	0413	0638	+1.2	0952	1403	-3.2	1755	1955	+1.3	2356
15		0237	-1.2	0459	0721	+1.1	1032	1445	-3.2	1837	2040	+1.4
16	0045	0326	-1.2	0542	0804	+1.0	1111	1527	-3.1	1916	2123	+1.4
17	0131	0415	-1.2	0624	0846	+1.0	1149	1608	-3.1	1952	2202	+1.4
18	0215	0502	-1.2	0706	0927	+0.9	1228	1649	-3.0	2024	2240	+1.3
19	0256	0548	-1.2	0750	1009	+0.8	1308	1729	-2.8	2054	2316	+1.3
20	0334	0634	-1.2	0837	1052	+0.7	1350	1811	-2.5	2121	2352	+1.2
21	0411	0721	-1.2	0927	1138	+0.6	1436	1901	-2.0	2150
22		0032	+1.1	0447	0810	-1.2	1024	1231	+0.5	1532	2000	-1.7	2223
23		0114	+1.1	0523	0858	-1.3	1134	1333	+0.5	1643	2100	-1.3	2301
24		0200	+1.0	0559	0946	-1.6	1257	1445	+0.5	1812	2159	-1.1	2344
25		0248	+1.0	0636	1032	-1.8	1409	1602	+0.6	1940	2256	-1.0
26	0032	0339	+1.0	0713	1117	-2.0	1506	1707	+0.7	2053	2352	-0.8
27	0124	0429	+1.0	0751	1157	-2.5	1554	1758	+0.9	2152
28		0043	-1.0	0216	0519	+1.1	0831	1233	-2.9	1638	1843	+1.1	2241
29		0132	-1.0	0309	0607	+1.2	0912	1306	-3.4	1720	1927	+1.2	2326
30		0220	-1.1	0404	0654	+1.2	0956	1343	-3.6	1800	2011	+1.4
31	0008	0309	-1.2	0517	0853	+1.2	1042	1425	-3.8	1859	2205	+1.5

All times listed are in Local Time, Daylight Saving Time has been applied when appropriate. All speeds are in knots.