Cosmopolis, Chehalis River, Grays Harbor Sea Conditions and Tide Table

Cosmopolis, Chehalis River, Grays Harbor 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 07:46 AM and sunset is at 04:25 PM.

Days 1–3 Weather Summary

Heavy rain (total 101mm), heaviest during Mon morning. Cool air temperatures (max 13°C on Mon morning, min 7°C on Tue afternoon). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Wed morning. Cool air temperatures (max 15°C on Fri morning, min 8°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 4mm), mostly falling on Sat afternoon. Very mild (max 15°C on Mon afternoon, min 10°C on Sun night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 27mm), heaviest during Wed afternoon. Very mild (max 12°C on Tue morning, min 5°C on Thu night). Winds decreasing (fresh winds from the WSW on Wed night, calm by Fri morning).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
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
2:23PM3.99m
4:11AM3.15m
3:16PM3.74m
5:02AM3.14m
4:12PM3.43m
5:54AM3.14m
5:12PM3.08m
6:46AM3.17m
6:20PM2.77m
7:36AM3.23m
7:38PM2.54m
8:24AM3.29m
9:00PM2.44m
9:07AM3.36m
10:15PM2.46m
9:47AM3.43m
11:18PM2.55m
10:25AM3.48m
00:10AM2.66m
11:03AM3.53m
00:54AM2.76m
11:40AM3.56m
1:33AM2.83m
Low Tide
8:15AM1.24m
9:09PM-0.54m
9:10AM1.29m
9:58PM-0.29m
10:11AM1.32m
10:49PM-0.01m
11:18AM1.32m
11:40PM0.29m
12:31PM1.25m
00:33AM0.58m
1:45PM1.09m
1:26AM0.85m
2:52PM0.87m
2:21AM1.09m
3:49PM0.62m
3:15AM1.27m
4:36PM0.38m
4:07AM1.40m
5:18PM0.19m
4:54AM1.48m
5:56PM0.03m
5:38AM1.51m
6:32PM-0.08m
6:18AM1.52m
Wave
height (m) 
direction
period (s) 
rain showers
rain showers
rain showers
heavy rain
heavy rain
heavy rain
cloud
light rain
heavy rain
light rain
light rain
cloud
light rain
light rain
cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
cloud
part cloud
part cloud
part cloud
clear
cloud
light rain
light rain
light rain
light rain
rain showers
light rain
light rain
rain showers
light rain
rain shwrs
rain shwrs
rain shwrs
heavy rain
heavy rain
heavy rain
cloudy
light rain
heavy rain
light rain
light rain
cloudy
light rain
light rain
cloudy
some clouds
some clouds
some clouds
cloudy
light rain
light rain
cloudy
some clouds
some clouds
some clouds
clear
cloudy
light rain
light rain
light rain
light rain
rain shwrs
light rain
light rain
rain shwrs
light rain
 km/h
20
SW
15
WSW
5
SE
10
S
25
SW
10
WNW
5
S
10
E
20
WSW
10
W
10
SW
0
WSW
10
E
5
E
0
SSW
0
SSW
5
WSW
5
W
5
SSW
15
SSW
10
S
5
ESE
5
E
10
E
5
E
5
SE
5
E
10
S
15
SSW
5
SW
10
S
20
SSW
30
WSW
30
W
20
W
10
W
 mm 
5
2
4
31
24
16
3
16
3
1
1
3
2
2
4
1
3
1
8
4
2
3
1
max°C
12
11
11
13
13
12
9
8
12
9
9
9
8
11
13
15
13
12
13
12
11
12
12
12
14
15
12
12
11
11
10
12
9
8
7
7
Moonrise
7:30
8:52
10:10
11:22
12:32
1:39
2:46
3:53
5:01
6:08
7:13
Moonset
10:56
11:29
11:52
12:11
12:27
12:42
12:57
1:13
1:32
1:54
2:23
3:00
Sunrise
7:46
7:47
7:48
7:48
7:50
7:50
7:52
7:52
7:54
7:54
7:54
7:56
Sunset
4:25
4:25
4:25
4:25
4:25
4:25
4:25
4:25
4:25
4:25
4:27
4:27
Today's sea temperature in Cosmopolis, Chehalis River, Grays Harbor is
10.7° C
(Statistics for 07 Dec 1981-2005 – mean: 10.1 max: 11.2 min: 8.3°C)
Issued (local time): 3 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest