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 07:18 AM and sunset is at 04:52 PM.

Days 1–3 Weather Summary

Moderate rain (total 13mm), heaviest on Sun afternoon. Cool air temperatures (max 18°C on Sun morning, min 11°C on Mon afternoon). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 73mm), heaviest during Wed night. Cool air temperatures (max 17°C on Tue morning, min 11°C on Tue night). Winds increasing (calm on Tue night, fresh winds from the SSE by Wed night).

Days 7–9 Weather Summary

Heavy rain (total 23mm), heaviest during Fri night. Very mild (max 15°C on Sat morning, min 10°C on Sun night). Winds decreasing (fresh winds from the SSW on Fri afternoon, calm by Sat afternoon).

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Thu morning. Very mild (max 15°C on Wed morning, min 8°C on Mon night). Wind will be generally light.

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
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
11:55AM2.63m
2:19AM2.14m
12:34PM2.63m
2:56AM2.15m
1:14PM2.61m
3:31AM2.18m
1:57PM2.55m
4:04AM2.21m
2:43PM2.45m
4:38AM2.26m
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
Low Tide
7:25PM-0.19m
7:19AM1.13m
8:00PM-0.18m
8:01AM1.11m
8:34PM-0.17m
8:44AM1.09m
9:09PM-0.13m
9:30AM1.05m
9:46PM-0.05m
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
Wave
height (m) 
direction
period (s) 
cloud
part cloud
cloud
cloud
light rain
light rain
cloud
light rain
light rain
light rain
mod rain
rain showers
part cloud
part cloud
heavy rain
light rain
light rain
light rain
light rain
mod rain
heavy rain
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
cloudy
some clouds
cloudy
cloudy
light rain
light rain
cloudy
light rain
light rain
light rain
mod rain
rain shwrs
some clouds
some clouds
heavy rain
light rain
light rain
light rain
light rain
mod rain
heavy rain
cloudy
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
cloudy
 km/h
0
SW
0
NW
10
SSE
15
S
25
S
5
W
0
N
5
WNW
5
NW
5
SE
30
S
5
SW
10
SSE
20
SSE
35
SSE
25
SSW
25
SSW
20
SSE
20
SSE
25
SSE
10
SSW
10
SSE
0
SE
5
NNE
5
N
10
WNW
5
S
5
SE
5
NW
5
E
5
ENE
5
NNW
0
ENE
5
ESE
5
NW
5
SSE
 mm 
3
4
3
3
1
8
33
22
5
3
1
1
10
12
max°C
16
16
16
18
16
15
13
11
12
17
16
14
15
15
15
12
12
13
14
14
13
15
15
12
14
14
11
13
13
11
12
13
11
15
15
13
Moonrise
8:12
8:57
9:35
10:07
10:35
11:00
11:25
11:49
12:16
12:46
1:23
2:09
Moonset
5:21
6:22
7:25
8:30
9:34
10:39
11:44
12:52
2:03
3:17
4:35
Sunrise
7:18
7:18
7:18
7:20
7:20
7:20
7:20
7:20
7:22
7:22
7:22
7:22
Sunset
4:52
4:52
4:53
4:54
4:54
4:55
4:55
4:57
4:58
4:58
4:59
5:00
Today's sea temperature in Dumbarton Bridge, San Francisco Bay is
12.7° C
(Statistics for 20 Dec 1981-2005 – mean: 12.5 max: 14.9 min: 10.8°C)
Issued (local time): 9 am Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest