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 07:56 AM and sunset is at 04:28 PM.

Days 1–3 Weather Summary

Heavy rain (total 50mm), heaviest during Sun afternoon. Low air temperatures (max 9°C on Sat morning, min 4°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Tue morning. Low air temperatures (max 8°C on Tue morning, min 1°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 7°C on Sat morning, min 0°C on Sun night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 20mm), heaviest during Tue afternoon. Mild temperatures (max 8°C on Wed morning, min 1°C on Mon morning). 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
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
9:24PM2.50m
8:58AM3.77m
10:41PM2.62m
9:52AM3.93m
11:49PM2.79m
Low Tide
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
2:55PM0.42m
2:20AM1.22m
3:57PM0.07m
3:26AM1.35m
4:53PM-0.24m
4:30AM1.41m
Wave
height (m) 
direction
period (s) 
light rain
light rain
mod rain
light rain
mod rain
rain showers
mod rain
mod rain
light rain
light rain
light rain
cloud
cloud
part cloud
clear
cloud
cloud
cloud
cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
light rain
light rain
mod rain
rain showers
clear
clear
part cloud
light rain
light rain
mod rain
light rain
mod rain
rain shwrs
mod rain
mod rain
light rain
light rain
light rain
cloudy
cloudy
some clouds
clear
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
clear
clear
clear
clear
clear
clear
some clouds
cloudy
light rain
light rain
mod rain
rain shwrs
clear
clear
some clouds
 km/h
15
SSW
15
SW
15
S
15
SSE
15
WSW
5
S
20
S
15
SW
5
S
10
S
5
SE
10
ENE
10
E
5
ENE
10
ENE
25
ENE
20
ENE
10
E
10
ENE
10
E
10
E
10
ENE
10
ENE
10
E
10
E
5
ENE
5
E
10
E
10
E
10
E
15
E
10
E
5
SE
5
SW
5
SSW
5
ESE
 mm 
3
4
9
5
8
4
8
6
3
2
1
4
1
8
7
max°C
9
9
8
7
8
6
8
7
6
8
7
4
6
5
2
7
5
5
4
4
4
7
5
2
6
6
2
5
5
5
4
4
7
8
8
4
Moonrise
9:03
9:43
10:14
10:39
11:00
11:17
11:34
11:50
12:08
12:30
12:58
1:36
Moonset
4:44
5:50
7:01
8:14
9:26
10:39
11:53
1:09
2:29
3:53
5:19
Sunrise
7:56
7:56
7:58
7:58
7:58
7:58
7:58
8:00
8:00
8:00
8:00
8:00
Sunset
4:28
4:28
4:29
4:29
4:30
4:30
4:30
4:31
4:32
4:34
4:35
4:35
Today's sea temperature in Cosmopolis, Chehalis River, Grays Harbor is
11.5° C
(Statistics for 20 Dec 1981-2005 – mean: 9.5 max: 10.8 min: 7.8°C)
Issued (local time): 3 am Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest