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: -.