Tidal Current Predictions

Alcatraz Island, south of
Predicted Tidal Current	January, 2009
Flood Direction, 093 True.	Ebb (-)Direction, 286 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		0052	+1.6	0433	0713	-1.2	0951	1251	+0.8	1528	1811	-1.9	2208
2		0132	+1.5	0505	0754	-1.3	1047	1346	+0.8	1626	1905	-1.5	2243
3		0217	+1.4	0542	0836	-1.4	1155	1450	+0.7	1742	2041	-1.2	2324
4		0307	+1.4	0624	0921	-1.7	1321	1603	+0.8	1913	2155	-1.0
5	0012	0401	+1.4	0711	1010	-2.0	1440	1720	+0.9	2041	2300	-0.9
6	0108	0457	+1.4	0759	1102	-2.4	1543	1826	+1.1	2155
7		0001	-0.9	0210	0554	+1.4	0848	1155	-2.8	1638	1921	+1.4	2257
8		0058	-1.0	0314	0648	+1.5	0937	1246	-3.2	1728	2011	+1.6	2349
9		0151	-1.2	0419	0740	+1.6	1027	1336	-3.4	1814	2059	+1.9
10	0037	0245	-1.3	0522	0832	+1.6	1117	1426	-3.6	1900	2145	+2.0
11	0123	0338	-1.4	0623	0924	+1.6	1208	1519	-3.6	1943	2231	+2.0
12	0206	0429	-1.7	0722	1016	+1.6	1300	1611	-3.4	2025	2314	+2.0
13	0249	0518	-1.8	0821	1107	+1.5	1352	1702	-3.1	2104	2358	+1.9
14	0330	0606	-1.9	0919	1159	+1.4	1446	1753	-2.6	2141
15		0041	+1.8	0413	0656	-1.8	1021	1254	+1.1	1545	1848	-2.1	2216
16		0127	+1.6	0457	0748	-1.8	1129	1356	+0.9	1652	1949	-1.5	2250
17		0215	+1.4	0544	0842	-1.7	1246	1510	+0.8	1816	2052	-1.1	2326
18		0307	+1.2	0635	0938	-1.7	1403	1634	+0.8	1957	2154	-0.8
19	0011	0404	+1.1	0728	1036	-1.8	1511	1749	+0.9	2126	2255	-0.7
20	0110	0503	+1.1	0818	1134	-2.0	1606	1847	+1.1	2231	2355	-0.7
21	0221	0558	+1.1	0904	1226	-2.2	1652	1934	+1.3	2322
22		0049	-0.8	0327	0646	+1.1	0946	1311	-2.4	1732	2015	+1.4
23	0004	0138	-0.9	0422	0730	+1.1	1026	1353	-2.6	1808	2053	+1.6
24	0041	0225	-1.1	0511	0812	+1.2	1105	1433	-2.8	1841	2128	+1.6
25	0115	0310	-1.2	0555	0853	+1.2	1144	1513	-2.9	1912	2200	+1.7
26	0144	0354	-1.3	0636	0934	+1.2	1223	1551	-2.9	1940	2231	+1.7
27	0210	0433	-1.4	0716	1016	+1.2	1302	1626	-2.8	2007	2303	+1.8
28	0235	0509	-1.5	0756	1058	+1.2	1343	1654	-2.5	2032	2337	+1.7
29	0300	0537	-1.5	0836	1141	+1.1	1426	1716	-2.3	2100
30		0013	+1.6	0329	0551	-1.7	0920	1227	+1.1	1514	1745	-1.9	2130
31		0052	+1.6	0402	0612	-1.8	1009	1319	+0.9	1611	1830	-1.5	2204

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

Alcatraz Island, south of
Predicted Tidal Current	February, 2009
Flood Direction, 093 True.	Ebb (-)Direction, 286 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		0137	+1.4	0442	0654	-1.9	1109	1422	+0.8	1724	1947	-1.1	2244
2		0227	+1.4	0529	0750	-2.0	1233	1536	+0.8	1857	2126	-0.8	2333
3		0324	+1.2	0624	0902	-2.1	1408	1657	+0.9	2035	2239	-0.7
4	0036	0427	+1.2	0724	1027	-2.3	1521	1808	+1.2	2151	2345	-0.8
5	0152	0531	+1.3	0824	1142	-2.6	1619	1905	+1.5	2247
6		0044	-1.1	0312	0631	+1.4	0921	1243	-3.1	1710	1953	+1.8	2333
7		0138	-1.3	0426	0728	+1.6	1017	1337	-3.3	1756	2039	+1.9
8	0014	0229	-1.7	0530	0821	+1.6	1111	1428	-3.4	1840	2123	+2.0
9	0053	0318	-1.9	0627	0914	+1.6	1204	1518	-3.3	1921	2206	+2.0
10	0131	0405	-2.1	0721	1005	+1.6	1256	1606	-3.1	2000	2247	+2.0
11	0208	0450	-2.2	0814	1055	+1.6	1348	1653	-2.8	2036	2327	+1.9
12	0246	0533	-2.2	0906	1145	+1.4	1441	1740	-2.3	2108
13		0007	+1.7	0324	0616	-2.1	0959	1236	+1.2	1538	1829	-1.9	2138
14		0048	+1.5	0405	0702	-1.9	1057	1334	+1.0	1642	1924	-1.3	2207
15		0133	+1.2	0448	0755	-1.7	1207	1444	+0.8	1805	2025	-0.9	2240
16		0222	+1.1	0539	0855	-1.5	1324	1607	+0.8	1950	2128	-0.7	2324
17		0319	+0.9	0637	0958	-1.5	1435	1724	+0.9	2116	2231	-0.6
18	0028	0422	+0.8	0738	1102	-1.7	1533	1823	+1.1	2215	2332	-0.6
19	0159	0527	+0.8	0834	1159	-1.9	1619	1908	+1.2	2258
20		0027	-0.8	0318	0623	+0.9	0923	1248	-2.2	1658	1947	+1.4	2333
21		0116	-1.1	0416	0709	+1.1	1007	1330	-2.4	1733	2020	+1.6
22	0002	0159	-1.3	0503	0752	+1.1	1049	1410	-2.6	1804	2051	+1.6
23	0027	0240	-1.5	0544	0833	+1.2	1129	1449	-2.8	1833	2121	+1.7
24	0049	0318	-1.7	0621	0914	+1.3	1210	1526	-2.6	1900	2152	+1.8
25	0112	0351	-1.9	0658	0956	+1.4	1250	1601	-2.5	1926	2225	+1.8
26	0137	0416	-2.0	0734	1038	+1.4	1332	1631	-2.3	1953	2300	+1.8
27	0204	0427	-2.2	0811	1121	+1.4	1417	1656	-2.1	2022	2337	+1.7
28	0235	0449	-2.3	0853	1207	+1.2	1506	1727	-1.8	2055

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

Alcatraz Island, south of
Predicted Tidal Current	March, 2009
Flood Direction, 093 True.	Ebb (-)Direction, 286 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		0017	+1.6	0312	0524	-2.4	0941	1259	+1.1	1605	1813	-1.3	2131
2		0103	+1.4	0354	0609	-2.4	1039	1401	+1.1	1718	1941	-0.9	2215
3		0155	+1.3	0445	0706	-2.3	1159	1514	+1.0	1853	2112	-0.7	2310
4		0256	+1.2	0546	0821	-2.2	1336	1634	+1.1	2029	2224	-0.8
5	0026	0404	+1.1	0656	1010	-2.3	1453	1745	+1.4	2135	2330	-1.0
6	0201	0514	+1.2	0807	1132	-2.5	1553	1842	+1.6	2223
7		0029	-1.3	0328	0620	+1.4	0912	1235	-2.8	1644	1930	+1.8	2303
8		0121	-1.8	0535	0819	+1.5	1113	1428	-3.0	1830	2114	+1.9
9	0039	0309	-2.1	0633	0913	+1.6	1209	1517	-3.0	1913	2156	+2.0
10	0115	0353	-2.3	0725	1004	+1.7	1303	1605	-2.9	1952	2237	+1.9
11	0150	0436	-2.5	0815	1054	+1.7	1355	1651	-2.6	2029	2316	+1.9
12	0225	0517	-2.5	0902	1142	+1.6	1446	1737	-2.3	2102	2355	+1.8
13	0301	0556	-2.4	0949	1230	+1.5	1538	1822	-2.0	2132
14		0033	+1.6	0337	0633	-2.2	1036	1319	+1.3	1634	1910	-1.5	2200
15		0112	+1.4	0415	0711	-2.0	1125	1412	+1.1	1738	2004	-1.1	2230
16		0154	+1.1	0456	0759	-1.8	1223	1516	+0.9	1900	2104	-0.8	2307
17		0241	+0.9	0543	0909	-1.5	1332	1632	+0.9	2039	2206	-0.6	2356
18		0337	+0.8	0642	1019	-1.4	1443	1747	+0.9	2153	2308	-0.6
19	0111	0443	+0.7	0752	1125	-1.5	1543	1847	+1.1	2243
20		0008	-0.7	0258	0555	+0.7	0901	1225	-1.7	1631	1932	+1.2	2320
21		0102	-1.0	0414	0659	+0.8	0959	1316	-2.0	1711	2007	+1.4	2348
22		0148	-1.3	0507	0749	+1.0	1048	1401	-2.2	1746	2038	+1.5
23	0011	0229	-1.7	0551	0832	+1.1	1133	1442	-2.3	1818	2108	+1.6
24	0031	0305	-1.9	0629	0913	+1.3	1216	1520	-2.3	1847	2138	+1.6
25	0053	0337	-2.1	0704	0955	+1.4	1258	1558	-2.3	1915	2212	+1.7
26	0117	0402	-2.3	0739	1037	+1.4	1340	1634	-2.2	1943	2248	+1.7
27	0145	0416	-2.5	0814	1120	+1.5	1424	1709	-2.0	2014	2326	+1.7
28	0217	0438	-2.9	0853	1204	+1.5	1512	1743	-1.8	2047
29		0006	+1.6	0252	0512	-3.0	0936	1251	+1.4	1605	1822	-1.4	2124
30		0049	+1.6	0332	0553	-3.0	1025	1344	+1.4	1706	1920	-1.1	2207
31		0136	+1.4	0418	0641	-2.9	1123	1444	+1.3	1819	2046	-0.9	2258

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

Alcatraz Island, south of
Predicted Tidal Current	April, 2009
Flood Direction, 093 True.	Ebb (-)Direction, 286 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		0231	+1.2	0512	0738	-2.5	1236	1554	+1.2	1948	2201	-0.8
2	0005	0335	+1.1	0617	0858	-2.2	1402	1708	+1.3	2108	2309	-0.9
3	0138	0446	+1.1	0735	1057	-2.2	1517	1816	+1.4	2204
4		0013	-1.3	0320	0602	+1.1	0855	1215	-2.3	1618	1913	+1.6	2247
5		0110	-1.8	0436	0711	+1.3	1007	1318	-2.4	1711	2001	+1.8	2325
6		0200	-2.2	0536	0811	+1.4	1111	1411	-2.5	1757	2044	+1.9
7	0000	0244	-2.5	0629	0904	+1.6	1209	1459	-2.4	1839	2125	+1.9
8	0035	0326	-2.8	0718	0955	+1.7	1303	1546	-2.3	1918	2205	+1.8
9	0109	0406	-2.8	0804	1043	+1.7	1355	1632	-2.1	1954	2244	+1.7
10	0144	0444	-2.8	0849	1130	+1.6	1446	1718	-1.8	2026	2322	+1.6
11	0218	0521	-2.6	0932	1216	+1.6	1538	1805	-1.5	2056
12		0001	+1.4	0254	0555	-2.4	1014	1302	+1.4	1635	1853	-1.2	2127
13		0039	+1.2	0330	0627	-2.2	1057	1351	+1.2	1738	1946	-0.9	2202
14		0120	+1.0	0409	0702	-1.9	1142	1446	+1.1	1853	2044	-0.7	2245
15		0206	+0.8	0454	0816	-1.7	1234	1549	+1.1	2013	2144	-0.7	2342
16		0301	+0.7	0549	0939	-1.4	1334	1654	+1.1	2114	2242	-0.7
17	0105	0406	+0.6	0700	1046	-1.4	1434	1752	+1.1	2158	2338	-0.9
18	0248	0519	+0.6	0821	1145	-1.5	1525	1839	+1.2	2229
19		0030	-1.2	0359	0630	+0.7	0931	1239	-1.7	1609	1916	+1.4	2253
20		0115	-1.5	0451	0725	+0.9	1028	1327	-1.8	1646	1949	+1.4	2313
21		0154	-1.9	0533	0811	+1.1	1117	1410	-1.9	1720	2022	+1.6	2335
22		0227	-2.2	0612	0854	+1.3	1203	1450	-1.9	1753	2057	+1.6
23	0000	0254	-2.5	0648	0936	+1.4	1248	1530	-1.9	1826	2134	+1.6
24	0030	0312	-2.8	0724	1020	+1.6	1333	1610	-1.8	1900	2214	+1.7
25	0102	0333	-3.1	0802	1105	+1.6	1421	1651	-1.5	1937	2256	+1.6
26	0139	0406	-3.3	0843	1151	+1.6	1511	1736	-1.4	2017	2339	+1.6
27	0219	0447	-3.4	0929	1239	+1.6	1606	1828	-1.2	2102
28		0026	+1.5	0303	0532	-3.4	1018	1331	+1.6	1707	1929	-1.1	2153
29		0116	+1.4	0352	0622	-3.1	1114	1428	+1.6	1815	2038	-1.0	2254
30		0212	+1.1	0449	0722	-2.6	1215	1531	+1.5	1928	2146	-1.0

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

Alcatraz Island, south of
Predicted Tidal Current	May, 2009
Flood Direction, 093 True.	Ebb (-)Direction, 286 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	0013	0317	+1.0	0557	0853	-2.2	1324	1636	+1.5	2032	2249	-1.2
2	0153	0431	+0.9	0718	1039	-2.0	1434	1740	+1.6	2123	2350	-1.7
3	0323	0549	+1.1	0845	1151	-2.0	1535	1837	+1.6	2206
4		0046	-2.1	0432	0702	+1.2	1004	1254	-1.9	1630	1927	+1.7	2245
5		0135	-2.4	0530	0803	+1.4	1112	1348	-1.9	1718	2012	+1.7	2321
6		0219	-2.8	0622	0855	+1.6	1211	1437	-1.9	1801	2053	+1.7	2357
7		0259	-2.9	0709	0945	+1.6	1305	1524	-1.7	1840	2133	+1.6
8	0032	0338	-2.9	0753	1032	+1.6	1357	1611	-1.5	1916	2213	+1.5
9	0107	0416	-2.9	0835	1118	+1.6	1448	1659	-1.3	1950	2252	+1.4
10	0142	0454	-2.8	0915	1202	+1.6	1540	1747	-1.2	2023	2331	+1.2
11	0218	0530	-2.6	0954	1245	+1.5	1634	1836	-1.0	2100
12		0011	+1.1	0254	0604	-2.4	1031	1328	+1.4	1730	1927	-0.9	2142
13		0052	+0.9	0333	0639	-2.2	1107	1413	+1.3	1829	2021	-0.8	2230
14		0137	+0.8	0415	0733	-1.9	1144	1502	+1.2	1927	2116	-0.8	2329
15		0229	+0.7	0506	0856	-1.7	1226	1552	+1.2	2018	2210	-0.9
16	0046	0330	+0.6	0612	1003	-1.4	1312	1642	+1.2	2056	2302	-1.1
17	0217	0440	+0.6	0735	1102	-1.3	1401	1730	+1.2	2125	2351	-1.3
18	0331	0553	+0.7	0856	1158	-1.3	1450	1815	+1.3	2149
19		0035	-1.7	0426	0658	+0.8	1004	1249	-1.3	1534	1857	+1.4	2215
20		0114	-2.1	0512	0749	+1.1	1101	1336	-1.4	1616	1938	+1.4	2243
21		0147	-2.4	0553	0835	+1.2	1153	1421	-1.4	1657	2019	+1.6	2315
22		0212	-2.8	0633	0920	+1.4	1241	1505	-1.4	1739	2101	+1.6	2351
23		0236	-3.2	0714	1005	+1.6	1330	1550	-1.3	1822	2145	+1.6
24	0029	0307	-3.4	0756	1052	+1.7	1420	1638	-1.3	1908	2231	+1.6
25	0111	0347	-3.6	0839	1139	+1.8	1511	1730	-1.2	1957	2319	+1.6
26	0156	0432	-3.6	0925	1227	+1.9	1604	1824	-1.2	2051
27		0008	+1.5	0244	0522	-3.5	1012	1316	+1.8	1659	1921	-1.2	2150
28		0100	+1.4	0336	0615	-3.2	1100	1408	+1.8	1755	2021	-1.2	2258
29		0157	+1.2	0434	0718	-2.6	1151	1503	+1.6	1852	2123	-1.3
30	0019	0301	+1.0	0542	0852	-2.2	1245	1601	+1.6	1947	2222	-1.5
31	0150	0415	+0.9	0705	1015	-1.8	1344	1700	+1.6	2038	2320	-1.9

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

Alcatraz Island, south of
Predicted Tidal Current	June, 2009
Flood Direction, 093 True.	Ebb (-)Direction, 286 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	0313	0535	+0.9	0836	1123	-1.5	1444	1758	+1.5	2124
2		0016	-2.1	0422	0651	+1.1	1002	1226	-1.4	1541	1851	+1.5	2206
3		0108	-2.4	0520	0753	+1.3	1114	1323	-1.3	1633	1939	+1.5	2245
4		0154	-2.6	0611	0845	+1.4	1215	1414	-1.2	1719	2023	+1.4	2323
5		0236	-2.8	0657	0934	+1.6	1309	1503	-1.2	1801	2104	+1.4
6	0000	0316	-2.9	0740	1019	+1.6	1359	1551	-1.1	1841	2145	+1.4
7	0037	0356	-2.9	0819	1103	+1.6	1447	1640	-1.1	1920	2225	+1.3
8	0113	0435	-2.9	0856	1144	+1.6	1534	1728	-1.1	1959	2306	+1.2
9	0150	0515	-2.8	0931	1223	+1.6	1620	1815	-1.0	2041	2346	+1.1
10	0228	0553	-2.6	1003	1300	+1.6	1703	1903	-1.0	2126
11		0028	+1.0	0307	0631	-2.4	1033	1337	+1.5	1744	1951	-1.0	2214
12		0112	+0.9	0349	0711	-2.2	1102	1416	+1.4	1823	2040	-1.0	2307
13		0200	+0.8	0436	0807	-1.9	1134	1458	+1.4	1859	2129	-1.1
14	0009	0256	+0.7	0535	0914	-1.5	1210	1542	+1.3	1935	2217	-1.2
15	0125	0401	+0.6	0651	1016	-1.2	1251	1630	+1.3	2009	2304	-1.4
16	0247	0513	+0.6	0819	1115	-1.1	1337	1719	+1.3	2044	2348	-1.8
17	0354	0626	+0.8	0941	1212	-1.0	1427	1809	+1.4	2121
18		0029	-2.1	0448	0727	+1.0	1048	1305	-1.0	1519	1859	+1.4	2159
19		0106	-2.5	0536	0818	+1.2	1146	1356	-1.0	1610	1947	+1.5	2239
20		0140	-2.9	0620	0905	+1.4	1238	1445	-1.1	1703	2035	+1.6	2322
21		0216	-3.3	0704	0951	+1.6	1327	1534	-1.1	1758	2123	+1.6
22	0006	0257	-3.5	0748	1038	+1.8	1414	1626	-1.2	1854	2213	+1.6
23	0053	0342	-3.6	0832	1124	+1.9	1501	1719	-1.3	1951	2303	+1.6
24	0142	0432	-3.6	0915	1210	+2.0	1548	1810	-1.4	2050	2354	+1.5
25	0233	0525	-3.4	0958	1256	+2.0	1634	1902	-1.5	2152
26		0047	+1.4	0327	0621	-3.1	1040	1342	+1.9	1720	1956	-1.7	2258
27		0142	+1.2	0425	0724	-2.5	1122	1432	+1.8	1808	2052	-1.7
28	0011	0245	+1.1	0532	0838	-2.0	1205	1524	+1.6	1858	2149	-1.8
29	0133	0357	+0.9	0652	0949	-1.5	1251	1619	+1.4	1950	2246	-1.9
30	0255	0518	+0.9	0827	1054	-1.2	1344	1716	+1.4	2041	2344	-2.0

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

Alcatraz Island, south of
Predicted Tidal Current	July, 2009
Flood Direction, 093 True.	Ebb (-)Direction, 286 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	0406	0637	+1.0	1001	1157	-1.0	1443	1814	+1.3	2129
2		0040	-2.2	0506	0741	+1.2	1116	1257	-0.9	1545	1908	+1.2	2213
3		0132	-2.4	0557	0833	+1.4	1216	1352	-0.9	1641	1955	+1.2	2255
4		0217	-2.5	0641	0919	+1.5	1306	1442	-0.9	1732	2039	+1.2	2335
5		0258	-2.8	0721	1002	+1.6	1350	1531	-1.0	1818	2121	+1.2
6	0013	0339	-2.9	0758	1042	+1.6	1431	1618	-1.1	1902	2202	+1.2
7	0052	0420	-2.9	0831	1119	+1.7	1509	1704	-1.1	1944	2243	+1.2
8	0130	0500	-2.9	0902	1153	+1.7	1544	1749	-1.2	2026	2324	+1.1
9	0209	0538	-2.8	0931	1226	+1.7	1615	1831	-1.3	2108
10		0006	+1.1	0248	0615	-2.5	0957	1258	+1.6	1644	1912	-1.3	2151
11		0048	+1.0	0330	0648	-2.3	1023	1333	+1.6	1713	1952	-1.3	2236
12		0133	+0.9	0416	0720	-1.9	1052	1411	+1.5	1743	2032	-1.3	2326
13		0225	+0.8	0510	0806	-1.5	1124	1453	+1.4	1818	2112	-1.4
14	0027	0325	+0.7	0618	0925	-1.1	1200	1540	+1.3	1858	2155	-1.5
15	0147	0435	+0.7	0747	1034	-0.9	1244	1632	+1.2	1943	2243	-1.8
16	0313	0553	+0.8	0922	1138	-0.7	1336	1728	+1.2	2032	2336	-2.1
17	0420	0704	+1.0	1040	1239	-0.8	1437	1826	+1.3	2122
18		0031	-2.5	0516	0800	+1.2	1141	1336	-0.9	1542	1922	+1.4	2212
19		0123	-2.9	0604	0849	+1.6	1230	1429	-1.0	1648	2015	+1.5	2302
20		0212	-3.3	0650	0935	+1.8	1313	1520	-1.2	1753	2107	+1.6	2353
21		0301	-3.5	0734	1020	+1.9	1355	1610	-1.4	1855	2159	+1.6
22	0044	0351	-3.5	0816	1104	+2.0	1436	1700	-1.7	1953	2251	+1.6
23	0135	0443	-3.5	0857	1147	+2.0	1516	1748	-1.9	2051	2342	+1.6
24	0228	0534	-3.3	0937	1230	+2.0	1556	1835	-2.0	2148
25		0034	+1.5	0322	0625	-2.9	1015	1313	+1.9	1638	1923	-2.0	2248
26		0128	+1.3	0420	0718	-2.3	1051	1358	+1.7	1721	2013	-2.0	2352
27		0227	+1.1	0524	0819	-1.8	1126	1445	+1.5	1807	2109	-1.9
28	0107	0336	+0.9	0642	0924	-1.2	1203	1537	+1.3	1859	2207	-1.8
29	0228	0458	+0.8	0822	1028	-0.9	1247	1634	+1.1	1955	2309	-1.8
30	0342	0620	+0.9	1001	1132	-0.7	1346	1736	+1.1	2052
31		0011	-1.9	0444	0724	+1.1	1113	1234	-0.7	1505	1838	+1.1	2144

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

Alcatraz Island, south of
Predicted Tidal Current	August, 2009
Flood Direction, 093 True.	Ebb (-)Direction, 286 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		0109	-2.1	0534	0815	+1.3	1206	1331	-0.8	1620	1932	+1.1	2232
2		0158	-2.3	0617	0859	+1.4	1248	1422	-0.9	1718	2018	+1.1	2315
3		0240	-2.5	0654	0938	+1.6	1324	1508	-1.1	1807	2101	+1.2	2356
4		0320	-2.8	0728	1013	+1.6	1357	1553	-1.3	1851	2142	+1.2
5	0035	0359	-2.9	0759	1046	+1.7	1426	1635	-1.4	1931	2223	+1.2
6	0115	0439	-2.9	0827	1116	+1.7	1452	1715	-1.5	2009	2304	+1.2
7	0154	0517	-2.8	0853	1147	+1.7	1517	1752	-1.7	2046	2344	+1.2
8	0235	0552	-2.5	0919	1219	+1.7	1542	1823	-1.7	2124
9		0026	+1.2	0316	0623	-2.2	0945	1254	+1.6	1609	1840	-1.8	2204
10		0109	+1.1	0402	0647	-1.9	1013	1331	+1.6	1640	1852	-1.8	2248
11		0158	+0.9	0454	0719	-1.4	1044	1412	+1.4	1716	1926	-1.9	2340
12		0255	+0.8	0600	0823	-1.0	1120	1500	+1.3	1759	2014	-1.9
13	0051	0404	+0.8	0728	1002	-0.7	1204	1554	+1.2	1851	2118	-2.0
14	0227	0524	+0.8	0910	1114	-0.6	1302	1656	+1.1	1951	2241	-2.1
15	0349	0639	+1.1	1030	1220	-0.7	1416	1800	+1.2	2053
16		0008	-2.4	0450	0738	+1.4	1124	1319	-0.9	1538	1903	+1.3	2153
17		0114	-2.8	0541	0827	+1.6	1207	1413	-1.2	1655	2001	+1.4	2250
18		0210	-3.1	0628	0912	+1.9	1245	1502	-1.7	1801	2056	+1.6	2346
19		0300	-3.3	0711	0956	+2.0	1322	1550	-2.0	1900	2149	+1.7
20	0040	0350	-3.3	0753	1038	+2.0	1359	1636	-2.2	1954	2240	+1.7
21	0133	0440	-3.2	0832	1120	+2.0	1437	1720	-2.3	2047	2331	+1.7
22	0226	0528	-2.9	0910	1201	+1.9	1514	1803	-2.4	2139
23		0022	+1.6	0320	0616	-2.5	0945	1242	+1.8	1553	1845	-2.3	2232
24		0113	+1.4	0417	0705	-2.0	1018	1324	+1.6	1634	1930	-2.1	2329
25		0209	+1.2	0520	0800	-1.4	1050	1408	+1.4	1718	2022	-1.9
26	0035	0315	+1.0	0637	0902	-1.0	1124	1458	+1.1	1808	2125	-1.7
27	0152	0434	+0.9	0820	1005	-0.7	1207	1554	+0.9	1906	2232	-1.5
28	0307	0555	+0.9	0952	1109	-0.6	1311	1659	+0.8	2012	2338	-1.7
29	0409	0700	+1.1	1055	1212	-0.6	1453	1809	+0.8	2116
30		0040	-1.8	0459	0749	+1.2	1139	1309	-0.8	1615	1910	+0.9	2210
31		0131	-2.1	0541	0829	+1.4	1214	1358	-1.1	1712	1959	+1.1	2257

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

Alcatraz Island, south of
Predicted Tidal Current	September, 2009
Flood Direction, 093 True.	Ebb (-)Direction, 286 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		0215	-2.3	0616	0904	+1.6	1244	1442	-1.4	1758	2042	+1.1	2340
2		0255	-2.5	0649	0936	+1.6	1309	1522	-1.7	1839	2123	+1.2
3	0022	0334	-2.6	0718	1005	+1.6	1332	1600	-1.8	1915	2203	+1.3
4	0102	0413	-2.5	0746	1036	+1.7	1355	1635	-2.0	1950	2243	+1.4
5	0143	0451	-2.4	0812	1107	+1.7	1419	1703	-2.1	2024	2324	+1.4
6	0224	0527	-2.2	0838	1141	+1.7	1445	1717	-2.2	2059
7		0005	+1.4	0306	0559	-2.0	0906	1217	+1.6	1514	1731	-2.3	2136
8		0049	+1.2	0353	0625	-1.7	0936	1256	+1.6	1548	1802	-2.4	2219
9		0137	+1.1	0447	0659	-1.3	1010	1338	+1.4	1627	1842	-2.4	2310
10		0233	+1.1	0553	0810	-0.9	1049	1427	+1.2	1713	1932	-2.3
11	0016	0340	+1.0	0720	0945	-0.7	1140	1525	+1.1	1810	2036	-2.2
12	0145	0456	+1.1	0857	1056	-0.7	1249	1630	+1.1	1918	2208	-2.1
13	0311	0610	+1.2	1006	1202	-0.9	1421	1741	+1.1	2031	2353	-2.3
14	0416	0711	+1.4	1053	1301	-1.2	1554	1850	+1.2	2141
15		0102	-2.6	0511	0800	+1.7	1132	1354	-1.7	1706	1951	+1.4	2244
16		0159	-2.9	0558	0845	+1.9	1208	1441	-2.1	1806	2047	+1.6	2343
17		0249	-3.0	0642	0928	+1.9	1244	1525	-2.4	1900	2140	+1.7
18	0039	0338	-2.9	0724	1009	+2.0	1320	1608	-2.6	1950	2231	+1.8
19	0133	0427	-2.6	0802	1051	+1.9	1356	1650	-2.8	2039	2321	+1.8
20	0226	0514	-2.4	0839	1131	+1.8	1433	1730	-2.6	2127
21		0010	+1.6	0320	0602	-2.0	0913	1211	+1.6	1511	1808	-2.5	2216
22		0100	+1.4	0417	0651	-1.5	0945	1252	+1.4	1550	1846	-2.2	2306
23		0153	+1.2	0520	0744	-1.2	1017	1334	+1.2	1631	1931	-2.0
24	0002	0253	+1.1	0638	0843	-0.8	1054	1421	+0.9	1718	2039	-1.7
25	0107	0405	+1.0	0812	0945	-0.6	1143	1517	+0.8	1815	2154	-1.4
26	0216	0519	+1.0	0928	1047	-0.6	1300	1623	+0.7	1926	2301	-1.4
27	0317	0622	+1.1	1021	1147	-0.8	1452	1738	+0.7	2041
28		0003	-1.5	0408	0711	+1.2	1059	1242	-1.0	1607	1847	+0.8	2146
29		0056	-1.8	0451	0750	+1.4	1129	1330	-1.3	1701	1939	+0.9	2239
30		0143	-2.0	0527	0822	+1.5	1153	1411	-1.7	1744	2023	+1.1	2325

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

Alcatraz Island, south of
Predicted Tidal Current	October, 2009
Flood Direction, 093 True.	Ebb (-)Direction, 286 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		0225	-2.2	0600	0852	+1.6	1214	1448	-2.0	1822	2103	+1.2
2	0009	0306	-2.2	0629	0922	+1.6	1236	1522	-2.2	1858	2143	+1.4
3	0051	0345	-2.2	0658	0954	+1.6	1300	1550	-2.3	1931	2224	+1.4
4	0133	0424	-2.0	0726	1029	+1.6	1327	1607	-2.5	2004	2305	+1.4
5	0215	0502	-1.9	0756	1106	+1.6	1356	1622	-2.8	2039	2348	+1.5
6	0300	0538	-1.7	0828	1145	+1.6	1430	1652	-3.0	2118
7		0033	+1.4	0350	0615	-1.3	0903	1226	+1.5	1507	1730	-3.0	2202
8		0121	+1.4	0446	0702	-1.1	0943	1311	+1.4	1550	1814	-3.0	2253
9		0216	+1.3	0552	0816	-0.8	1030	1402	+1.2	1640	1906	-2.8	2355
10		0319	+1.2	0711	0931	-0.8	1132	1502	+1.1	1740	2010	-2.4
11	0109	0428	+1.3	0830	1039	-0.9	1254	1611	+1.0	1853	2155	-2.1
12	0228	0536	+1.4	0929	1141	-1.2	1438	1725	+1.1	2015	2334	-2.2
13	0336	0637	+1.6	1013	1239	-1.7	1602	1838	+1.2	2133
14		0043	-2.3	0433	0728	+1.7	1052	1331	-2.1	1708	1943	+1.4	2242
15		0141	-2.4	0523	0814	+1.8	1129	1417	-2.5	1804	2039	+1.6	2344
16		0232	-2.4	0608	0857	+1.9	1205	1500	-2.9	1855	2131	+1.7
17	0041	0321	-2.2	0650	0939	+1.9	1242	1541	-3.0	1943	2221	+1.8
18	0135	0409	-2.1	0729	1020	+1.8	1318	1621	-3.0	2030	2311	+1.8
19	0229	0458	-1.8	0806	1101	+1.6	1355	1700	-2.9	2115	2358	+1.6
20	0323	0546	-1.5	0840	1142	+1.4	1433	1738	-2.6	2200
21		0046	+1.5	0420	0636	-1.2	0914	1222	+1.2	1511	1814	-2.4	2244
22		0135	+1.4	0523	0728	-1.0	0951	1304	+1.1	1551	1853	-2.1	2329
23		0228	+1.2	0633	0824	-0.8	1035	1350	+0.8	1635	1955	-1.8
24	0017	0327	+1.1	0746	0923	-0.7	1132	1443	+0.7	1728	2114	-1.5
25	0110	0428	+1.1	0848	1021	-0.8	1255	1547	+0.6	1837	2221	-1.4
26	0206	0527	+1.1	0934	1116	-0.9	1436	1700	+0.6	1959	2321	-1.4
27	0259	0616	+1.2	1008	1209	-1.2	1548	1816	+0.7	2116
28		0017	-1.5	0344	0657	+1.3	1034	1255	-1.5	1641	1915	+0.8	2217
29		0107	-1.7	0424	0731	+1.4	1057	1336	-1.9	1725	2002	+1.1	2310
30		0153	-1.8	0459	0804	+1.4	1119	1412	-2.2	1804	2044	+1.2	2356
31		0235	-1.8	0533	0839	+1.6	1144	1442	-2.4	1840	2124	+1.4

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

Alcatraz Island, south of
Predicted Tidal Current	November, 2009
Flood Direction, 093 True.	Ebb (-)Direction, 286 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	0041	0217	-1.7	0505	0815	+1.6	1112	1404	-2.8	1815	2106	+1.4
2	0025	0258	-1.5	0539	0853	+1.6	1143	1420	-3.0	1851	2149	+1.6
3	0110	0340	-1.4	0616	0934	+1.6	1218	1448	-3.2	1928	2233	+1.6
4	0158	0424	-1.3	0654	1017	+1.6	1256	1525	-3.4	2009	2319	+1.6
5	0249	0510	-1.1	0737	1102	+1.5	1338	1608	-3.4	2054
6		0007	+1.6	0344	0604	-1.0	0826	1150	+1.4	1424	1656	-3.2	2143
7		0059	+1.6	0444	0707	-1.0	0924	1243	+1.2	1517	1749	-2.9	2237
8		0156	+1.6	0548	0813	-1.0	1035	1344	+1.1	1619	1857	-2.4	2337
9		0257	+1.5	0650	0916	-1.2	1205	1454	+0.9	1736	2047	-2.1
10	0043	0359	+1.6	0744	1016	-1.5	1342	1611	+1.0	1903	2211	-1.9
11	0149	0459	+1.6	0830	1113	-2.0	1459	1727	+1.1	2027	2319	-1.9
12	0249	0554	+1.6	0912	1205	-2.4	1602	1834	+1.4	2141
13		0018	-1.8	0342	0642	+1.7	0951	1253	-2.8	1657	1931	+1.6	2247
14		0112	-1.8	0430	0727	+1.7	1030	1336	-3.0	1747	2023	+1.6	2345
15		0202	-1.7	0514	0810	+1.6	1108	1417	-3.0	1834	2112	+1.7
16	0040	0251	-1.5	0555	0852	+1.6	1146	1458	-3.0	1919	2200	+1.7
17	0134	0341	-1.3	0634	0934	+1.4	1223	1538	-2.9	2002	2246	+1.6
18	0227	0430	-1.2	0712	1015	+1.3	1301	1618	-2.8	2043	2330	+1.6
19	0320	0519	-1.1	0751	1056	+1.1	1340	1657	-2.5	2121
20		0014	+1.5	0414	0609	-1.0	0833	1138	+1.0	1419	1738	-2.3	2156
21		0057	+1.4	0508	0701	-0.9	0922	1223	+0.8	1502	1828	-2.0	2231
22		0143	+1.4	0601	0754	-0.9	1019	1313	+0.7	1551	1934	-1.8	2307
23		0230	+1.2	0650	0848	-1.0	1131	1411	+0.6	1653	2039	-1.5	2348
24		0319	+1.2	0731	0939	-1.1	1259	1519	+0.6	1813	2139	-1.3
25	0033	0407	+1.2	0804	1029	-1.3	1415	1635	+0.6	1939	2236	-1.2
26	0121	0453	+1.2	0831	1115	-1.7	1514	1745	+0.8	2053	2329	-1.2
27	0208	0536	+1.3	0858	1157	-2.0	1602	1839	+0.9	2154
28		0019	-1.2	0252	0618	+1.4	0927	1233	-2.3	1644	1924	+1.1	2247
29		0106	-1.2	0333	0659	+1.4	0957	1303	-2.6	1723	2007	+1.4	2335
30		0150	-1.2	0415	0740	+1.5	1031	1326	-3.0	1802	2050	+1.5

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

Alcatraz Island, south of
Predicted Tidal Current	December, 2009
Flood Direction, 093 True.	Ebb (-)Direction, 286 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	0021	0235	-1.2	0458	0824	+1.6	1109	1351	-3.3	1841	2134	+1.6
2	0107	0322	-1.1	0544	0909	+1.6	1149	1427	-3.5	1921	2218	+1.8
3	0154	0410	-1.1	0632	0955	+1.6	1232	1510	-3.6	2003	2304	+1.8
4	0242	0500	-1.2	0724	1044	+1.5	1319	1557	-3.5	2046	2350	+1.9
5	0330	0552	-1.2	0821	1134	+1.4	1408	1647	-3.3	2130
6		0038	+1.8	0420	0648	-1.3	0924	1228	+1.2	1504	1743	-3.0	2216
7		0130	+1.8	0512	0747	-1.4	1037	1328	+1.1	1607	1854	-2.4	2305
8		0224	+1.6	0604	0847	-1.5	1202	1437	+1.0	1723	2030	-2.0	2358
9		0321	+1.6	0657	0945	-1.9	1331	1555	+0.9	1852	2146	-1.7
10	0057	0420	+1.6	0747	1042	-2.1	1448	1715	+1.1	2024	2253	-1.4
11	0159	0517	+1.5	0833	1138	-2.4	1552	1825	+1.2	2145	2355	-1.2
12	0258	0610	+1.5	0917	1230	-2.6	1648	1922	+1.4	2253
13		0051	-1.2	0352	0659	+1.5	0959	1316	-2.9	1738	2013	+1.6	2351
14		0143	-1.2	0441	0744	+1.4	1040	1359	-3.0	1823	2101	+1.6
15	0044	0233	-1.1	0527	0827	+1.4	1120	1441	-3.0	1905	2146	+1.7
16	0133	0322	-1.1	0610	0910	+1.3	1159	1523	-2.9	1944	2229	+1.7
17	0219	0411	-1.1	0652	0952	+1.2	1237	1604	-2.9	2020	2308	+1.7
18	0303	0458	-1.1	0734	1033	+1.1	1316	1645	-2.8	2052	2346	+1.6
19	0344	0544	-1.1	0818	1115	+1.1	1356	1725	-2.5	2122
20		0022	+1.6	0422	0630	-1.1	0905	1158	+0.9	1438	1807	-2.3	2149
21		0058	+1.5	0459	0717	-1.1	0955	1244	+0.8	1524	1857	-1.9	2218
22		0138	+1.4	0535	0806	-1.1	1052	1337	+0.7	1620	1956	-1.5	2251
23		0220	+1.4	0611	0854	-1.2	1202	1439	+0.6	1731	2056	-1.2	2329
24		0306	+1.2	0647	0942	-1.4	1325	1551	+0.6	1900	2155	-1.0
25	0012	0354	+1.2	0724	1028	-1.7	1437	1708	+0.7	2028	2252	-0.9
26	0100	0445	+1.2	0801	1113	-1.9	1534	1813	+0.9	2141	2348	-0.8
27	0152	0535	+1.3	0839	1153	-2.3	1622	1904	+1.1	2240
28		0039	-0.9	0244	0625	+1.4	0919	1229	-2.6	1706	1949	+1.4	2329
29		0128	-0.9	0337	0713	+1.4	1000	1302	-3.1	1748	2033	+1.6
30	0014	0216	-1.0	0432	0800	+1.5	1044	1339	-3.3	1828	2117	+1.8
31	0056	0305	-1.1	0517	0853	+1.6	1130	1421	-3.5	1859	2205	+1.9

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