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 — and sunset is at 04:27 PM.

Days 1–4 Weather Summary

Heavy rain (total 36mm), heaviest during Thu morning. Cool air temperatures (max 11°C on Thu afternoon, min 5°C on Thu morning). Wind will be generally light.

Days 5–7 Weather Summary

Heavy rain (total 35mm), heaviest during Mon afternoon. Low air temperatures (max 8°C on Mon afternoon, min 2°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Tue afternoon, min -2°C on Thu night). Wind will be generally light.

Days 11–13 Weather Summary

Moderate rain (total 15mm), heaviest on Sat night. Freeze-thaw conditions (max 7°C on Sat night, min -2°C on Fri night). Wind will be generally light.

Wed
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Mon
29
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
00:54AM2.76m
11:40AM3.56m
1:33AM2.83m
12:17PM3.59m
2:10AM2.88m
12:54PM3.60m
2:45AM2.91m
1:31PM3.59m
3:21AM2.93m
2:08PM3.54m
3:57AM2.96m
2:47PM3.46m
4:33AM3.00m
3:30PM3.31m
5:10AM3.07m
4:19PM3.11m
5:49AM3.17m
5:19PM2.86m
6:31AM3.30m
6:32PM2.63m
7:17AM3.45m
7:57PM2.49m
8:06AM3.61m
Low Tide
5:56PM0.03m
5:38AM1.51m
6:32PM-0.08m
6:18AM1.52m
7:08PM-0.14m
7:43PM-0.17m
7:32AM1.51m
8:18PM-0.16m
8:09AM1.51m
8:53PM-0.12m
8:50AM1.50m
9:30PM-0.04m
9:36AM1.47m
10:08PM0.09m
10:29AM1.40m
10:48PM0.27m
11:31AM1.27m
11:32PM0.49m
12:39PM1.06m
00:21AM0.75m
1:48PM0.77m
1:17AM1.01m
Wave
height (m) 
direction
period (s) 
light rain
mod rain
mod rain
mod rain
rain showers
light rain
light rain
light rain
light rain
rain showers
light rain
light rain
light rain
mod rain
light rain
mod rain
rain showers
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
mod rain
rain showers
light rain
clear
part cloud
light rain
mod rain
mod rain
mod rain
rain shwrs
light rain
light rain
light rain
light rain
rain shwrs
light rain
light rain
light rain
mod rain
light rain
mod rain
rain shwrs
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
mod rain
rain shwrs
light rain
clear
some clouds
 km/h
15
SW
15
SSW
15
ESE
25
WSW
10
WNW
15
W
15
WSW
10
WSW
5
S
10
SSE
5
ESE
15
SW
15
SW
15
SSW
15
S
20
SSW
10
SW
5
ESE
5
ENE
5
NE
10
E
10
ENE
10
ENE
15
ENE
15
ENE
10
ENE
15
ENE
10
ENE
5
ENE
5
E
5
SW
10
SSW
15
WNW
20
WNW
5
NNE
10
E
 mm 
2
7
6
7
2
4
3
3
2
1
3
4
4
10
4
6
3
7
4
4
max°C
9
9
8
11
7
7
7
7
9
7
5
7
7
7
7
8
6
6
5
1
5
4
0
4
3
-1
4
3
-1
5
5
7
6
5
1
3
Moonrise
7:13
8:12
9:03
9:43
10:14
10:39
11:00
11:17
11:34
11:50
12:08
12:30
Moonset
3:00
3:47
4:44
5:50
7:01
8:14
9:26
10:39
11:53
1:09
2:29
Sunrise
7:56
7:56
7:56
7:56
7:58
7:58
7:58
7:58
7:58
8:00
8:00
8:00
Sunset
4:27
4:27
4:27
4:28
4:28
4:29
4:29
4:30
4:30
4:30
4:31
4:32
Today's sea temperature in Cosmopolis, Chehalis River, Grays Harbor is
11.3° C
(Statistics for 17 Dec 1981-2005 – mean: 9.6 max: 11.0 min: 8.2°C)
Issued (local time): 3 pm Wednesday 17 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest