Threemile Slough Entrance, San Joaquin River Sea Conditions and Tide Table

Threemile Slough Entrance, San Joaquin River 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 — and sunset is at 04:51 PM.

Days 1–4 Weather Summary

Moderate rain (total 18mm), heaviest on Tue night. Cool air temperatures (max 18°C on Tue night, min 12°C on Tue night). Winds increasing (calm on Mon night, strong winds from the SSE by Wed night).

Days 5–7 Weather Summary

Moderate rain (total 12mm), heaviest on Thu night. Cool air temperatures (max 13°C on Thu afternoon, min 6°C on Sat night). Winds decreasing (fresh winds from the SE on Fri morning, light winds from the NW by Sat afternoon).

Days 8–10 Weather Summary

Mostly dry. Very mild (max 13°C on Tue afternoon, min 6°C on Sun night). Wind will be generally light.

Days 11–13 Weather Summary

Some drizzle, heaviest during Thu afternoon. Very mild (max 14°C on Wed afternoon, min 10°C on Wed night). Wind will be generally light.

Mon
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Sat
3
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
AM
Wave Height Map
High Tide
5:08PM1.09m
7:36AM0.64m
5:49PM1.00m
8:13AM0.65m
6:35PM0.89m
8:48AM0.67m
7:30PM0.77m
9:24AM0.73m
8:34PM0.66m
10:01AM0.82m
9:49PM0.56m
10:41AM0.93m
11:15PM0.51m
11:25AM1.05m
00:48AM0.50m
12:14PM1.17m
2:15AM0.54m
1:05PM1.28m
3:29AM0.59m
1:56PM1.35m
4:23AM0.64m
2:47PM1.38m
5:08AM0.66m
Low Tide
00:54AM-0.09m
12:08PM0.52m
1:32AM-0.09m
1:06PM0.48m
2:10AM-0.06m
2:15PM0.43m
2:48AM-0.01m
3:31PM0.35m
3:25AM0.07m
4:43PM0.26m
4:04AM0.17m
5:50PM0.16m
4:44AM0.28m
6:52PM0.07m
5:26AM0.38m
7:51PM-0.01m
8:46PM-0.05m
7:09AM0.54m
9:40PM-0.09m
8:12AM0.56m
10:30PM-0.11m
9:16AM0.55m
Wave
height (m) 
direction
period (s) 
cloud
cloud
cloud
cloud
heavy rain
cloud
light rain
rain showers
rain showers
light rain
rain showers
part cloud
rain showers
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
cloudy
cloudy
cloudy
cloudy
heavy rain
cloudy
light rain
rain shwrs
rain shwrs
light rain
rain shwrs
some clouds
rain shwrs
light rain
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
 km/h
5
E
0
SE
5
SSW
15
SE
35
SSE
5
NE
15
ESE
35
SE
30
S
20
SSE
15
SSW
30
SE
25
SE
10
N
15
NNW
15
NNW
10
NW
10
NNW
5
NNE
0
NNE
10
N
5
N
5
NNW
5
NNE
10
N
5
E
5
SE
10
N
5
NNW
5
N
10
ESE
5
WSW
0
SE
5
ESE
5
ESE
5
E
 mm 
11
1
4
2
3
7
1
1
1
max°C
17
15
17
17
18
13
13
14
13
13
10
11
11
10
12
13
10
11
12
10
11
12
9
12
13
10
13
14
11
13
12
12
12
13
12
14
Moonrise
10:06
10:34
10:59
11:23
11:47
12:13
12:43
1:19
2:05
3:02
4:10
Moonset
7:22
8:27
9:32
10:37
11:43
12:50
2:02
3:17
4:35
5:51
7:01
7:59
Sunrise
7:20
7:20
7:20
7:20
7:20
7:22
7:22
7:22
7:22
7:22
7:22
7:22
Sunset
4:51
4:51
4:52
4:52
4:52
4:53
4:53
4:54
4:55
4:57
4:58
4:58
Today's sea temperature in Threemile Slough Entrance, San Joaquin River is
10.9° C
(Statistics for 22 Dec 1981-2005 – mean: 12.2 max: 14.9 min: 10.6°C)
Issued (local time): 3 pm Monday 22 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest