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): 3 am Sunday 19 Jan 2020

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

Issued (local time): 3 am Sunday 19 Jan 2020
Sunday 19 Monday 20 Tue
1AM 4AM 7AM 10AM 1PM 4PM 7PM 10PM 1AM 4AM 7AM 10AM 1PM 4PM 7PM 10PM 1AM 4AM
Tide State low flow high ebb ebb low flow high ebb low flow high ebb low flow high ebb low
High Tide
height (m)

7:00AM
1.94



8:48PM
1.28


7:50AM
1.98


9:57PM
1.37

Low Tide
height (m) 		12:15AM
0.63



1:59PM
0.07


1:20AM
0.76


2:55PM
-0.08


2:21AM
0.84
Swell (m)
direction 		1.7 WNW 1.9 W 2.0 W 2.0 W 1.9 W 1.8 W 1.7 W 1.7 W 1.6 W 1.5 W 1.5 W 1.5 W 1.6 W 1.8 W 1.9 W 2.0 W 2.0 W 1.9 W
Wave Height (m) 1.7 1.9 2.0 2.0 1.9 1.8 1.7 1.7 1.6 1.5 1.5 1.5 1.6 1.8 1.9 2.0 2.0 1.9
Period (s) 16 15 15 15 14 14 14 14 13 13 13 13 13 18 18 17 16 16
Wind
(km/h) 		20
NE 		15
NE 		15
NE 		15
NE 		10
NE 		10
NE 		15
NNE 		10
NE 		15
NE 		10
NE 		10
ENE 		10
N 		0
SSW 		10
WSW 		5
WSW 		5
S 		15
SSE 		20
SSE
  Today's sea temperature in Alcatraz Island, San Francisco Bay, California is 12.6 °C (Statistics for 19 Jan 1981-2005 – mean: 12.2 max: 14.6 min: 10.4 °C)
 
Summary  cloudy cloudy some
clouds 		some
clouds 		some
clouds 		some
clouds 		cloudy cloudy cloudy cloudy cloudy cloudy some
clouds 		some
clouds 		clear clear some
clouds 		some
clouds
Rain mm - - - - - - - - - - - - - - - - - -
Temp °C 8 8 6 7 10 12 11 10 10 10 10 10 13 13 11 11 10 10
Chill °C 5 5 3 4 9 11 9 8 8 8 9 9 13 13 11 10 8 7
Sunrise - - - 7:22 - - - - - - - 7:20 - - - - - -
Sunset - - - - - 5:17 - - - - - - - 5:19 - - - -

Tide datum: -.

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