Sea Conditions for Alcatraz Island, San Francisco Bay

Detailed Sea Conditions for Alcatraz Island, San Francisco Bay over the next 2 days

Issued (local time): 4 am Tuesday 04 Aug 2020

Detailed Sea Conditions for Alcatraz Island, San Francisco Bay over the next 2 days

Issued (local time): 4 am Tuesday 04 Aug 2020
Forecast update inUpdates in  hr  min  sUpdate imminent 
Tuesday 4 Wednesday 5 Thu
2AM 5AM 8AM 11AM 2PM 5PM 8PM 11PM 2AM 5AM 8AM 11AM 2PM 5PM 8PM 11PM 2AM 5AM
Tide State high ebb low flow flow high ebb flow high ebb low flow flow high ebb flow high ebb
High Tide
height (m) 		12:18AM
1.95



2:13PM
1.55

12:59AM
1.87



2:45PM
1.55

1:40AM
1.77
Low Tide
height (m)

7:04AM
-0.19


7:03PM
0.80


7:40AM
-0.11


7:46PM
0.78


Swell (m)
direction 		1.6 WNW 1.5 WNW 1.5 WNW 1.5 WNW 1.5 WNW 1.5 WNW 1.7 WNW 1.7 WNW 1.7 W 1.6 W 1.6 W 1.4 W 1.4 WNW 1.3 WNW 1.3 WNW 1.3 WNW 1.3 WNW 1.5 WNW
Wave Height (m) 1.6 1.5 1.5 1.5 1.5 1.5 1.7 1.7 1.7 1.6 1.6 1.4 1.4 1.3 1.3 1.3 1.3 1.5
Period (s) 7 7 8 8 8 7 8 8 8 8 8 8 8 7 8 8 8 8
Wind
(km/h) 		15
SW 		10
SSW 		15
SSW 		10
SSW 		20
WSW 		25
WSW 		25
WSW 		20
WSW 		20
WSW 		20
WSW 		20
WSW 		20
SW 		25
WSW 		30
SW 		25
SW 		25
SW 		15
S 		15
SSE
  Today's sea temperature in Alcatraz Island, San Francisco Bay, California is 18.3 °C (Statistics for 04 Aug 1981-2005 – mean: 14.0 max: 15.6 min: 12.5 °C)
 
Summary  some
clouds 		some
clouds 		some
clouds 		some
clouds 		clear clear some
clouds 		some
clouds 		some
clouds 		some
clouds 		cloudy cloudy cloudy some
clouds 		some
clouds 		some
clouds 		some
clouds 		some
clouds
Rain mm - - - - - - - - - - - - - - - - - -
Temp °C 13 13 13 15 16 16 14 13 13 13 13 14 14 14 14 14 13 14
Chill °C 12 12 12 14 15 15 12 11 11 11 11 13 12 12 12 12 12 13
Sunrise - - 6:16 - - - - - - - 6:16 - - - - - - -
Sunset - - - - - - 8:14 - - - - - - - 8:13 - - -

Tide datum: -.

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