Home Products Programs Partnerships Education Help NOAA Web Site Link
banner graphic




     Alcatraz Island, southwest of
Predicted Tidal CurrentJanuary, 2009
Flood Direction, 082 True.Ebb (-)Direction, 251 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
DayTime
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 0022+1.204040649-0.909211221+0.714591747-1.42138
2 0102+1.204360730-1.010171316+0.615571841-1.12213
3 0147+1.105130812-1.011251420+0.617132017-0.92254
4 0237+1.105550857-1.212511533+0.618442131-0.72342
5 0331+1.106420946-1.414101650+0.720122236-0.6
600380427+1.107301038-1.815131756+0.921262337-0.6
701400524+1.208191131-2.016081851+1.12228
8 0034-0.702440618+1.209081222-2.316581941+1.32320
9 0127-0.903490710+1.309581312-2.517442029+1.5
1000080221-1.004520802+1.310481402-2.618302115+1.6
1100540314-1.005530854+1.311391455-2.619132201+1.6
1201370405-1.206520946+1.312311547-2.519552244+1.6
1302200454-1.307511037+1.213231638-2.220342328+1.6
1403010542-1.408491129+1.114171729-1.92111
15 0011+1.403440632-1.309511224+0.915161824-1.52146
16 0057+1.304280724-1.310591326+0.816231925-1.12220
17 0145+1.105150818-1.212161440+0.617472028-0.82256
18 0237+1.006060914-1.213331604+0.619282130-0.62341
19 0334+0.906591012-1.314411719+0.820572231-0.5
2000400433+0.807491110-1.415361817+0.922022331-0.5
2101510528+0.808351202-1.616221904+1.02253
22 0025-0.602570616+0.909171247-1.817021945+1.22335
23 0114-0.603520700+0.909571329-1.917382023+1.2
2400120201-0.804410742+1.010361409-2.018112058+1.3
2500460246-0.905250823+1.011151449-2.118422130+1.4
2601150330-1.006060904+1.011541527-2.119102201+1.4
2701410409-1.006460946+1.012331602-2.019372233+1.4
2802060445-1.107261028+1.013141630-1.820022307+1.4
2902310513-1.108061111+0.913571652-1.720302343+1.3
3003000527-1.208501157+0.814451721-1.42100
31 0022+1.203330548-1.309391249+0.815421806-1.12134

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




     Alcatraz Island, southwest of
Predicted Tidal CurrentFebruary, 2009
Flood Direction, 082 True.Ebb (-)Direction, 251 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
DayTime
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 0107+1.204130630-1.410391352+0.716551923-0.82214
2 0157+1.105000726-1.412031506+0.718282102-0.62303
3 0254+1.005550838-1.513381627+0.820062215-0.5
400060357+1.006551003-1.714511738+1.021222321-0.6
501220501+1.007551118-1.915491835+1.22218
6 0020-0.802420601+1.208521219-2.216401923+1.42304
7 0114-1.003560658+1.209481313-2.417262009+1.52345
8 0205-1.205000751+1.310421404-2.518102053+1.6
900240254-1.405570844+1.311351454-2.418512136+1.6
1001020341-1.506510935+1.312271542-2.219302217+1.6
1101390426-1.607441025+1.213191629-2.020062257+1.5
1202170509-1.608361115+1.114121716-1.720382337+1.4
1302550552-1.509291206+1.015091805-1.42108
14 0018+1.203360638-1.410271304+0.816131900-1.02137
15 0103+1.004190731-1.211371414+0.717362001-0.62210
16 0152+0.805100831-1.112541537+0.619212104-0.52254
17 0249+0.706080934-1.114051654+0.720472207-0.42358
18 0352+0.707091038-1.215031753+0.921462308-0.4
1901290457+0.708051135-1.415491838+1.02229
20 0003-0.602480553+0.808541224-1.616281917+1.12304
21 0052-0.803460639+0.809381306-1.817031950+1.22333
22 0135-1.004330722+0.910201346-1.917342021+1.32358
23 0216-1.105140803+1.011001425-2.018032051+1.4
2400200254-1.205510844+1.011411502-1.918302122+1.4
2500430327-1.406280926+1.112211537-1.818562155+1.4
2601080352-1.407041008+1.113031607-1.719232230+1.4
2701350403-1.607411051+1.113481632-1.519522307+1.4
2802060425-1.708231137+1.014371703-1.320252347+1.3

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




     Alcatraz Island, southwest of
Predicted Tidal CurrentMarch, 2009
Flood Direction, 082 True.Ebb (-)Direction, 251 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
DayTime
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
102430500-1.809111229+0.915361749-1.02101
2 0033+1.203250545-1.810091331+0.816491917-0.62145
3 0125+1.004160642-1.711291444+0.818242048-0.52240
4 0226+1.005170757-1.613061604+0.920002200-0.62356
5 0334+0.906270946-1.714231715+1.121062306-0.7
601310444+1.007381108-1.815231812+1.32154
7 0005-1.002580550+1.108431211-2.016141900+1.42234
8 0057-1.305050749+1.210441404-2.218002044+1.6
900100245-1.506030843+1.311401453-2.218432126+1.6
1000460329-1.706550934+1.412341541-2.119222207+1.6
1101210412-1.807451024+1.413261627-1.919592246+1.5
1201560453-1.808321112+1.314171713-1.720322325+1.4
1302320532-1.809191200+1.215091758-1.42102
14 0003+1.203080609-1.610061249+1.016051846-1.12130
15 0042+1.103460647-1.410551342+0.917091940-0.82200
16 0124+0.904270735-1.311531446+0.818312040-0.62237
17 0211+0.705140845-1.113021602+0.720102142-0.42326
18 0307+0.606130955-1.014131717+0.821242244-0.4
1900410413+0.507231101-1.115131817+0.922142344-0.5
2002280525+0.608321201-1.216011902+1.02251
21 0038-0.703440629+0.709301252-1.416411937+1.12319
22 0124-1.004370719+0.810191337-1.617162008+1.22342
23 0205-1.205210802+0.911041418-1.717482038+1.3
2400020241-1.405590843+1.011471456-1.718172108+1.3
2500240313-1.506340925+1.112291534-1.718452142+1.4
2600480338-1.707091007+1.213111610-1.619132218+1.4
2701160352-1.807441050+1.213551645-1.419442256+1.4
2801480414-2.108231134+1.214431719-1.320172336+1.3
2902230448-2.209061221+1.215361758-1.02054
30 0019+1.203030529-2.209551314+1.116371856-0.82137
31 0106+1.103490617-2.110531414+1.017502022-0.62228

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




     Alcatraz Island, southwest of
Predicted Tidal CurrentApril, 2009
Flood Direction, 082 True.Ebb (-)Direction, 251 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
DayTime
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 0201+1.004430714-1.812061524+1.019192137-0.62335
2 0305+0.905480834-1.613321638+1.020392245-0.6
301080416+0.807061033-1.614471746+1.221352349-1.0
402500532+0.908261151-1.715481843+1.32218
5 0046-1.304060641+1.009381254-1.816411931+1.42256
6 0136-1.605060741+1.210421347-1.817272014+1.52331
7 0220-1.805590834+1.311401435-1.818092055+1.5
800060302-2.006480925+1.412341522-1.718482135+1.4
900400342-2.007341013+1.413261608-1.519242214+1.4
1001150420-2.008191100+1.314171654-1.319562252+1.2
1101490457-1.909021146+1.215091741-1.120262331+1.1
1202250531-1.809441232+1.116061829-0.92057
13 0009+1.003010603-1.610271321+1.017091922-0.62132
14 0050+0.803400638-1.411121416+0.918242020-0.52215
15 0136+0.704250752-1.212041519+0.819442120-0.52312
16 0231+0.505200915-1.013041624+0.820452218-0.5
1700350336+0.406311022-1.014041722+0.921292314-0.6
1802180449+0.507521121-1.114551809+1.02200
19 0006-0.903290600+0.609021215-1.215391846+1.12224
20 0051-1.104210655+0.709591303-1.316161919+1.22244
21 0130-1.405030741+0.910481346-1.416501952+1.22306
22 0203-1.605420824+1.011341426-1.417232027+1.32331
23 0230-1.806180906+1.112191506-1.417562104+1.3
2400010248-2.006540950+1.213041546-1.318302144+1.4
2500330309-2.207321035+1.313521627-1.119072226+1.3
2601100342-2.408131121+1.314421712-1.019472309+1.3
2701500423-2.508591209+1.315371804-0.920322356+1.2
2802340508-2.509481301+1.316381905-0.82123
29 0046+1.103230558-2.210441358+1.217462014-0.72224
30 0142+0.904200658-1.911451501+1.218592122-0.72343

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




     Alcatraz Island, southwest of
Predicted Tidal CurrentMay, 2009
Flood Direction, 082 True.Ebb (-)Direction, 251 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
DayTime
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 0247+0.805280829-1.612541606+1.220032225-0.9
201230401+0.806491015-1.414041710+1.220542326-1.2
302530519+0.808161127-1.415051807+1.32137
4 0022-1.504020632+1.009351230-1.416001857+1.42216
5 0111-1.805000733+1.110431324-1.416481942+1.42252
6 0155-2.005520825+1.211421413-1.417312023+1.42328
7 0235-2.106390915+1.312361500-1.218102103+1.3
800030314-2.107231002+1.313281547-1.118462143+1.2
900380352-2.108051048+1.314191635-1.019202222+1.1
1001130430-2.008451132+1.215111723-0.919532301+1.0
1101490506-1.909241215+1.216051812-0.720302341+0.9
1202250540-1.810011258+1.117011903-0.62112
13 0022+0.803040615-1.610371343+1.018001957-0.62200
14 0107+0.603460709-1.411141432+1.018582052-0.62259
15 0159+0.504370832-1.211561522+1.019492146-0.6
1600160300+0.405430939-1.012421612+1.020272238-0.8
1701470410+0.407061038-1.013311700+1.020562327-1.0
1803010523+0.508271134-1.014201745+1.02120
19 0011-1.203560628+0.709351225-1.015041827+1.12146
20 0050-1.504420719+0.810321312-1.015461908+1.22214
21 0123-1.805230805+1.011241357-1.016271949+1.22246
22 0148-2.006030850+1.212121441-1.017092031+1.32322
23 0212-2.306440935+1.313011526-1.017522115+1.3
2400000243-2.507261022+1.413511614-1.018382201+1.3
2500420323-2.608091109+1.414421706-0.919272249+1.3
2601270408-2.608551157+1.515351800-0.920212338+1.2
2702150458-2.609421246+1.416301857-0.92120
28 0030+1.103070551-2.310301338+1.417261957-0.92228
29 0127+1.004050654-1.911211433+1.318232059-1.02349
30 0231+0.805130828-1.612151531+1.319182158-1.1
3101200345+0.806360951-1.313141630+1.220092256-1.4

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




     Alcatraz Island, southwest of
Predicted Tidal CurrentJune, 2009
Flood Direction, 082 True.Ebb (-)Direction, 251 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
DayTime
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
102430505+0.808071059-1.114141728+1.220552352-1.5
203520621+0.909331202-1.015111821+1.22137
3 0044-1.804500723+1.010451259-1.016031909+1.22216
4 0130-1.905410815+1.211461350-0.916491953+1.22254
5 0212-2.006270904+1.212401439-0.917312034+1.12331
6 0252-2.107100949+1.313301527-0.818112115+1.1
700080332-2.107491033+1.314181616-0.818502155+1.0
800440411-2.108261114+1.315051704-0.819292236+1.0
901210451-2.009011153+1.315511751-0.720112316+0.9
1001590529-1.909331230+1.216341839-0.720562358+0.8
1102380607-1.810031307+1.217151927-0.72144
12 0042+0.703200647-1.610321346+1.217542016-0.72237
13 0130+0.604070743-1.411041428+1.118302105-0.82339
14 0226+0.505060850-1.111401512+1.019062153-0.9
1500550331+0.506220952-0.912211600+1.019402240-1.0
1602170443+0.507501051-0.813071649+1.020152324-1.3
1703240556+0.609121148-0.713571739+1.12052
18 0005-1.504180657+0.810191241-0.714491829+1.12130
19 0042-1.805060748+1.011171332-0.715401917+1.22210
20 0116-2.105500835+1.212091421-0.816332005+1.22253
21 0152-2.406340921+1.312581510-0.817282053+1.32337
22 0233-2.607181008+1.413451602-0.918242143+1.3
2300240318-2.608021054+1.614321655-1.019212233+1.3
2401130408-2.608451140+1.615191746-1.020202324+1.2
2502040501-2.509281226+1.616051838-1.12122
26 0017+1.102580557-2.210101312+1.516511932-1.22228
27 0112+1.003560700-1.810521402+1.417392028-1.22341
28 0215+0.805030814-1.411351454+1.318292125-1.3
2901030327+0.706230925-1.112211549+1.219212222-1.4
3002250448+0.707581030-0.913141646+1.120122320-1.4

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




     Alcatraz Island, southwest of
Predicted Tidal CurrentJuly, 2009
Flood Direction, 082 True.Ebb (-)Direction, 251 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
DayTime
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
103360607+0.809321133-0.714131744+1.02100
2 0016-1.604360711+1.010471233-0.615151838+1.02144
3 0108-1.805270803+1.111471328-0.616111925+1.02226
4 0153-1.806110849+1.212371418-0.617022009+1.02306
5 0234-2.006510932+1.313211507-0.717482051+1.02344
6 0315-2.107281012+1.314021554-0.818322132+1.0
700230356-2.108011049+1.414401640-0.819142213+1.0
801010436-2.108321123+1.415151725-0.919562254+0.9
901400514-2.009011156+1.415461807-1.020382336+0.9
1002190551-1.809271228+1.316151848-1.02121
11 0018+0.803010624-1.709531303+1.316441928-1.02206
12 0103+0.703470656-1.410221341+1.217142008-1.02256
13 0155+0.604410742-1.110541423+1.117492048-1.02357
14 0255+0.605490901-0.811301510+1.018292131-1.1
1501170405+0.507181010-0.612141602+1.019142219-1.3
1602430523+0.608531114-0.513061658+1.020032312-1.5
1703500634+0.810111215-0.614071756+1.02053
18 0007-1.804460730+1.011121312-0.615121852+1.12143
19 0059-2.105340819+1.212011405-0.716181945+1.22233
20 0148-2.406200905+1.412441456-0.917232037+1.32324
21 0237-2.607040950+1.613261546-1.018252129+1.3
2200150327-2.607461034+1.614071636-1.219232221+1.3
2301060419-2.608271117+1.614471724-1.420212312+1.3
2401590510-2.409071200+1.615271811-1.42118
25 0004+1.202530601-2.109451243+1.516091859-1.42218
26 0058+1.003510654-1.710211328+1.416521949-1.42322
27 0157+0.904550755-1.310561415+1.217382045-1.4
2800370306+0.806130900-0.911331507+1.018302143-1.3
2901580428+0.707531004-0.612171604+0.919262245-1.3
3003120550+0.809321108-0.513161706+0.820232347-1.4
3104140654+0.910441210-0.514351808+0.82115

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




     Alcatraz Island, southwest of
Predicted Tidal CurrentAugust, 2009
Flood Direction, 082 True.Ebb (-)Direction, 251 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
DayTime
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 0045-1.505040745+1.011371307-0.615501902+0.92203
2 0134-1.705470829+1.212191358-0.616481948+0.92246
3 0216-1.806240908+1.212551444-0.817372031+1.02327
4 0256-2.006580943+1.313281529-1.018212112+1.0
500060335-2.107291016+1.413571611-1.019012153+1.0
600460415-2.107571046+1.414231651-1.119392234+1.0
701250453-2.008231117+1.414481728-1.220162314+1.0
802060528-1.808491149+1.415131759-1.220542356+1.0
902470559-1.609151224+1.315401816-1.32134
10 0039+0.903330623-1.409431301+1.216111828-1.32218
11 0128+0.804250655-1.010141342+1.216471902-1.42310
12 0225+0.705310759-0.710501430+1.017301950-1.4
1300210334+0.606590938-0.511341524+1.018222054-1.4
1401570454+0.708411050-0.412321626+0.919222217-1.5
1503190609+0.910011156-0.513461730+1.020242344-1.8
1604200708+1.110551255-0.615081833+1.02124
17 0050-2.005110757+1.311381349-0.916251931+1.22221
18 0146-2.205580842+1.512161438-1.217312026+1.32317
19 0236-2.406410926+1.612531526-1.418302119+1.4
2000110326-2.407231008+1.613301612-1.619242210+1.4
2101040416-2.308021050+1.614081656-1.720172301+1.4
2201570504-2.108401131+1.614451739-1.821092352+1.2
2302510552-1.809151212+1.415241821-1.72202
24 0043+1.103480641-1.409481254+1.316051906-1.52259
25 0139+1.004510736-1.010201338+1.116491958-1.4
2600050245+0.806080838-0.710541428+0.917392101-1.2
2701220404+0.707510941-0.511371524+0.818372208-1.1
2802370525+0.809231045-0.412411629+0.619432314-1.2
2903390630+0.910261148-0.414231739+0.62047
30 0016-1.304290719+1.011101245-0.615451840+0.72141
31 0107-1.505110759+1.111451334-0.816421929+0.82228

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




     Alcatraz Island, southwest of
Predicted Tidal CurrentSeptember, 2009
Flood Direction, 082 True.Ebb (-)Direction, 251 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
DayTime
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 0151-1.705460834+1.212151418-1.017282012+0.92311
2 0231-1.806190906+1.312401458-1.218092053+1.02353
3 0310-1.906480935+1.313031536-1.318452133+1.0
400330349-1.807161006+1.413261611-1.419202213+1.1
501140427-1.807421037+1.413501639-1.519542254+1.1
601550503-1.608081111+1.414161653-1.620292335+1.1
702370535-1.408361147+1.314451707-1.72106
8 0019+1.003240601-1.209061226+1.215191738-1.82149
9 0107+0.904180635-1.009401308+1.115581818-1.82240
10 0203+0.805240746-0.610191357+1.016441908-1.72346
11 0310+0.806510921-0.511101455+0.917412012-1.6
1201150426+0.808281032-0.512191600+0.818492144-1.5
1302410540+1.009371138-0.613511711+0.920022329-1.7
1403460641+1.210241237-0.915241820+1.02112
15 0038-1.904410730+1.411031330-1.216361921+1.22215
16 0135-2.105280815+1.511391417-1.517362017+1.32314
17 0225-2.206120858+1.612151501-1.818302110+1.4
1800100314-2.106540939+1.612511544-1.919202201+1.4
1901040403-1.907321021+1.513271626-2.020092251+1.4
2001570450-1.808091101+1.414041706-1.920572340+1.3
2102510538-1.408431141+1.314421744-1.82146
22 0030+1.203480627-1.109151222+1.115211822-1.62236
23 0123+1.004510720-0.909471304+1.016021907-1.42332
24 0223+0.906090819-0.610241351+0.816492015-1.2
2500370335+0.807430921-0.411131447+0.617462130-1.0
2601460449+0.808591023-0.412301553+0.518572237-1.0
2702470552+0.909521123-0.614221708+0.520122339-1.1
2803380641+1.010301218-0.715371817+0.62117
29 0032-1.304210720+1.111001306-1.016311909+0.82210
30 0119-1.404570752+1.211241347-1.217141953+0.92256

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




     Alcatraz Island, southwest of
Predicted Tidal CurrentOctober, 2009
Flood Direction, 082 True.Ebb (-)Direction, 251 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
DayTime
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 0201-1.605300822+1.211451424-1.417522033+1.02340
2 0242-1.605590852+1.312071458-1.618282113+1.1
300220321-1.606280924+1.312311526-1.719012154+1.2
401040400-1.406560959+1.312581543-1.819342235+1.2
501460438-1.407261036+1.313271558-2.020092318+1.2
602310514-1.207581115+1.314011628-2.22048
7 0003+1.203210551-1.008331156+1.214381706-2.22132
8 0051+1.104170638-0.809131241+1.115211750-2.22223
9 0146+1.005230752-0.610001332+1.016111842-2.02325
10 0249+1.006420907-0.611021432+0.817111946-1.8
1100390358+1.008011015-0.612241541+0.818242131-1.5
1201580506+1.109001117-0.914081655+0.819462310-1.6
1303060607+1.209441215-1.215321808+1.02104
14 0019-1.704030658+1.410231307-1.516381913+1.12213
15 0117-1.804530744+1.411001353-1.817342009+1.32315
16 0208-1.805380827+1.511361436-2.118252101+1.4
1700120257-1.606200909+1.512131517-2.219132151+1.4
1801060345-1.506590950+1.412491557-2.220002241+1.4
1902000434-1.307361031+1.313261636-2.120452328+1.3
2002540522-1.108101112+1.214041714-1.92130
21 0016+1.203510612-0.908441152+1.014421750-1.82214
22 0105+1.104540704-0.709211234+0.815221829-1.52259
23 0158+1.006040800-0.610051320+0.716061931-1.32347
24 0257+0.907170859-0.511021413+0.616592050-1.1
2500400358+0.908190957-0.612251517+0.418082157-1.0
2601360457+0.909051052-0.614061630+0.419302257-1.0
2702290546+1.009391145-0.915181746+0.520472353-1.1
2803140627+1.010051231-1.116111845+0.72148
29 0043-1.203540701+1.110281312-1.416551932+0.82241
30 0129-1.304290734+1.210501348-1.617342014+1.02327
31 0211-1.305030809+1.211151418-1.818102054+1.1

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




     Alcatraz Island, southwest of
Predicted Tidal CurrentNovember, 2009
Flood Direction, 082 True.Ebb (-)Direction, 251 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
DayTime
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
100120153-1.204350745+1.210431340-2.017452036+1.22356
2 0234-1.105090823+1.311141356-2.218212119+1.2
300410316-1.005460904+1.311491424-2.318582203+1.3
401290400-1.006240947+1.212271501-2.519392249+1.3
502200446-0.807071032+1.213091544-2.520242337+1.3
603150540-0.707561120+1.113551632-2.32113
7 0029+1.304150643-0.708541213+1.014481725-2.12207
8 0126+1.205190749-0.710051314+0.815501833-1.82307
9 0227+1.206210852-0.911351424+0.817072023-1.5
1000130329+1.207150952-1.113121541+0.818342147-1.4
1101190429+1.308011049-1.414291657+0.919582255-1.4
1202190524+1.308431141-1.815321804+1.121122354-1.3
1303120612+1.409221229-2.016271901+1.22218
14 0048-1.304000657+1.410011312-2.217171953+1.32316
15 0138-1.204440740+1.310391353-2.218042042+1.4
1600110227-1.105250822+1.211171434-2.218492130+1.4
1701050317-1.006040904+1.211541514-2.119322216+1.3
1801580406-0.906420945+1.012321554-2.020132300+1.3
1902510455-0.807211026+0.913111633-1.820512344+1.2
2003450545-0.708031108+0.813501714-1.72126
21 0027+1.104390637-0.608521153+0.714331804-1.42201
22 0113+1.105320730-0.609491243+0.615221910-1.32237
23 0200+1.006210824-0.711011341+0.416242015-1.12318
24 0249+1.007020915-0.812291449+0.417442115-1.0
2500030337+1.007351005-1.013451605+0.519102212-0.9
2600510423+1.008021051-1.214441715+0.620242305-0.9
2701380506+1.008291133-1.415321809+0.821252355-0.9
2802220548+1.108581209-1.716141854+0.92218
29 0042-0.903030629+1.209281239-1.916531937+1.12306
30 0126-0.903450710+1.210021302-2.217322020+1.22352

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




     Alcatraz Island, southwest of
Predicted Tidal CurrentDecember, 2009
Flood Direction, 082 True.Ebb (-)Direction, 251 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
DayTime
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 0211-0.904280754+1.210401327-2.418112104+1.3
200380258-0.805140839+1.211201403-2.618512148+1.4
301250346-0.806020925+1.212031446-2.619332234+1.4
402130436-0.906541014+1.212501533-2.620162320+1.5
503010528-0.907511104+1.113391623-2.42100
6 0008+1.403510624-1.008541158+1.014351719-2.22146
7 0100+1.404430723-1.010071258+0.915381830-1.82235
8 0154+1.305350823-1.111321407+0.816542006-1.42328
9 0251+1.306280921-1.413011525+0.818232122-1.2
1000270350+1.207181018-1.514181645+0.819552229-1.0
1101290447+1.208041114-1.815221755+1.021162331-0.9
1202280540+1.208481206-1.916181852+1.22224
13 0027-0.903220629+1.209301252-2.117081943+1.22322
14 0119-0.904110714+1.210111335-2.217532031+1.3
1500150209-0.804570757+1.110511417-2.218352116+1.4
1601040258-0.805400840+1.011301459-2.119142159+1.4
1701500347-0.806220922+1.012081540-2.119502238+1.4
1802340434-0.807041003+0.912471621-2.020222316+1.3
1903150520-0.807481045+0.813271701-1.820522352+1.3
2003530606-0.808351128+0.714091743-1.72119
21 0028+1.204300653-0.809251214+0.614551833-1.42148
22 0108+1.105060742-0.810221307+0.515511932-1.12221
23 0150+1.105420830-0.911321409+0.517022032-0.92259
24 0236+1.006180918-1.012551521+0.518312131-0.72342
25 0324+1.006551004-1.214071638+0.619592228-0.6
2600300415+1.007321049-1.415041743+0.721122324-0.6
2701220505+1.008101129-1.715521834+0.92211
28 0015-0.602140555+1.108501205-1.916361919+1.12300
29 0104-0.603070643+1.209311238-2.217182003+1.22345
30 0152-0.704020730+1.210151315-2.417582047+1.4
3100270241-0.805170853+1.211011357-2.618592205+1.5

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


 
Disclaimers         Contact Us         Privacy Policy         About CO-OPS         For CO-OPS Employees Only         Revised: 12/20/2006 NOAA / National Ocean Service