Dumbarton Bridge, San Francisco Bay Sea Conditions and Tide Table

Dumbarton Bridge, 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 07:20 AM and sunset is at 04:55 PM.

Days 1–3 Weather Summary

Moderate rain (total 15mm), heaviest on Thu night. Cool air temperatures (max 14°C on Thu morning, min 8°C on Sat night). Winds decreasing (fresh winds from the S on Thu afternoon, calm by Sat morning).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Tue morning, min 6°C on Sun night). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 62mm), heaviest during Thu night. Very mild (max 16°C on Fri morning, min 10°C on Wed night). Winds increasing (calm on Wed afternoon, fresh winds from the S by Fri morning).

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Sat night. Very mild (max 14°C on Sat morning, min 8°C on Mon night). Wind will be generally light.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
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
3:37PM2.30m
5:14AM2.34m
4:43PM2.11m
5:53AM2.44m
6:03PM1.94m
6:37AM2.55m
7:29PM1.86m
7:23AM2.67m
8:53PM1.87m
8:13AM2.78m
10:08PM1.96m
9:04AM2.88m
11:18PM2.08m
9:58AM2.93m
00:16AM2.20m
10:52AM2.97m
1:07AM2.30m
11:47AM2.98m
1:54AM2.39m
12:40PM2.93m
2:37AM2.45m
1:32PM2.83m
3:18AM2.49m
Low Tide
10:22AM0.98m
10:27PM0.09m
11:21AM0.88m
11:13PM0.26m
12:26PM0.72m
00:06AM0.47m
1:35PM0.49m
1:06AM0.68m
2:42PM0.22m
2:11AM0.86m
3:45PM-0.06m
3:15AM0.98m
4:45PM-0.30m
4:19AM1.05m
5:38PM-0.48m
5:18AM1.03m
6:28PM-0.57m
6:13AM0.97m
7:15PM-0.59m
7:06AM0.89m
7:59PM-0.54m
7:58AM0.82m
8:41PM-0.42m
Wave
height (m) 
direction
period (s) 
rain showers
light rain
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
mod rain
mod rain
mod rain
heavy rain
rain showers
rain showers
part cloud
cloud
part cloud
rain showers
light rain
rain showers
part cloud
part cloud
part cloud
clear
rain shwrs
light rain
rain shwrs
rain shwrs
rain shwrs
rain shwrs
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
mod rain
mod rain
mod rain
heavy rain
rain shwrs
rain shwrs
some clouds
cloudy
some clouds
rain shwrs
light rain
rain shwrs
some clouds
some clouds
some clouds
clear
 km/h
20
SSW
30
S
20
SSW
20
SSW
20
SSW
10
SSE
5
NNE
10
NNW
5
NE
5
ENE
5
N
5
NE
5
NE
5
NNE
5
E
5
E
5
NNE
0
ENE
5
NE
0
WSW
5
E
5
E
0
SE
10
SE
15
S
20
SW
10
SSW
5
SSE
10
SW
10
SE
15
SE
10
SSW
10
W
5
WNW
15
WNW
5
W
 mm 
3
3
5
1
1
2
9
9
7
25
6
6
1
1
1
max°C
14
14
12
14
13
11
13
14
11
11
12
9
12
13
10
14
14
11
14
15
12
12
12
15
16
13
12
14
14
11
14
13
11
12
12
10
Moonrise
11:00
11:25
11:49
12:16
12:46
1:23
2:09
3:06
4:14
5:29
6:46
7:59
Moonset
10:39
11:44
12:52
2:03
3:17
4:35
5:51
7:00
7:58
8:45
9:21
Sunrise
7:20
7:20
7:20
7:22
7:22
7:22
7:22
7:22
7:22
7:22
7:22
7:22
Sunset
4:55
4:55
4:57
4:58
4:58
4:59
5:00
5:00
5:01
5:01
5:02
5:04
Today's sea temperature in Dumbarton Bridge, San Francisco Bay is
12.9° C
(Statistics for 25 Dec 1981-2005 – mean: 12.3 max: 15.0 min: 10.8°C)
Issued (local time): 9 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest