Alcatraz Island, San Francisco Bay Sea Conditions and Tide Table

Alcatraz Island, San Francisco Bay Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 06:20 AM and sunset is at 07:53 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 15°C on Wed afternoon, min 9°C on Fri night). Mainly fresh winds.

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 15°C on Sun afternoon, min 8°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 7mm), mostly falling on Thu night. Very mild (max 15°C on Tue afternoon, min 9°C on Tue morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Very mild (max 16°C on Sun afternoon, min 9°C on Fri night). Wind will be generally light.

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
1:43PM1.31m
00:42AM1.72m
2:31PM1.28m
1:11AM1.72m
3:24PM1.25m
1:45AM1.71m
4:23PM1.22m
2:25AM1.67m
5:30PM1.21m
6:37PM1.24m
7:35PM1.30m
5:32AM1.51m
8:20PM1.40m
6:53AM1.46m
8:58PM1.51m
8:13AM1.44m
9:33PM1.63m
9:28AM1.45m
10:07PM1.76m
10:36AM1.46m
10:41PM1.87m
Low Tide
6:53AM-0.09m
6:32PM0.69m
7:26AM-0.16m
7:03PM0.80m
8:04AM-0.21m
7:36PM0.89m
8:47AM-0.22m
8:15PM0.97m
9:36AM-0.21m
9:08PM1.03m
10:33AM-0.18m
10:25PM1.05m
11:36AM-0.14m
00:00AM1.00m
12:39PM-0.11m
1:24AM0.86m
1:38PM-0.07m
2:31AM0.64m
2:31PM-0.01m
3:27AM0.38m
3:20PM0.09m
4:18AM0.11m
4:06PM0.22m
Wave
height (m) 
direction
period (s) 
cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
rain showers
cloud
thunderstorm
rain showers
clear
part cloud
cloud
cloud
cloud
part cloud
clear
clear
cloudy
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
rain shwrs
cloudy
risk tstorm
rain shwrs
clear
some clouds
cloudy
cloudy
cloudy
some clouds
clear
clear
 km/h
10
SW
20
W
15
WSW
20
WNW
30
W
15
W
30
WNW
30
WNW
15
NW
5
WSW
25
WNW
10
W
20
WNW
30
W
20
WNW
10
WNW
25
WNW
5
W
10
W
25
W
15
WNW
20
W
25
W
10
W
15
WSW
25
WSW
20
WSW
10
SW
15
W
10
NW
5
NNE
20
WNW
5
SW
5
SW
15
W
5
SW
 mm 
1.0
6
2.0
max°C
14
15
12
13
14
12
14
15
12
13
14
12
14
15
11
12
15
12
13
15
11
12
13
11
12
13
11
12
13
12
12
14
13
14
16
13
Moonrise
9:03
10:09
11:14
12:17
1:13
2:02
2:42
3:16
3:46
4:13
4:40
Moonset
6:33
7:02
7:38
8:23
9:17
10:20
11:29
12:42
1:55
3:09
4:22
5:35
Sunrise
6:20
6:20
6:18
6:16
6:16
6:15
6:13
6:13
6:11
6:09
6:09
6:07
Sunset
7:53
7:54
7:55
7:57
7:58
7:58
7:59
8:00
8:00
8:01
8:02
8:04
Today's sea temperature in Alcatraz Island, San Francisco Bay is 15.2 °C (Statistics for 24 Apr 1981-2005 – mean: 11.8 max: 14.2 min: 10.2°C)
Nearest