Mailboat Slough, Willapa River Sea Conditions and Tide Table

Mailboat Slough, Willapa 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 08:52 PM.

Days 1–4 Weather Summary

Light rain (total 9mm), mostly falling on Mon morning. Cool air temperatures (max 18°C on Sun afternoon, min 7°C on Mon night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 16°C on Wed afternoon, min 8°C on Wed night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Warm (max 21°C on Mon afternoon, min 6°C on Sun night). Wind will be generally light.

Days 11–13 Weather Summary

Some drizzle, heaviest during Wed morning. Very mild (max 16°C on Tue afternoon, min 9°C on Thu night). Wind will be generally light.

Days 14–17 Weather Summary

Moderate rain (total 14mm), heaviest on Sun night. Very mild (max 16°C on Sun afternoon, min 8°C on Sat night). Wind will be generally light.

Sun
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
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
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
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High Tide
9:24PM2.53m
9:37AM2.07m
10:13PM2.63m
10:46AM2.05m
10:56PM2.71m
11:48AM2.08m
11:35PM2.76m
12:41PM2.13m
00:10AM2.77m
1:29PM2.18m
00:44AM2.76m
2:13PM2.21m
1:18AM2.73m
2:56PM2.23m
1:52AM2.70m
3:37PM2.22m
2:26AM2.66m
4:17PM2.20m
3:02AM2.61m
4:56PM2.19m
3:39AM2.55m
5:35PM2.18m
6:15PM2.19m
5:07AM2.33m
6:57PM2.23m
6:05AM2.18m
Low Tide
2:39PM0.22m
3:33AM0.52m
3:34PM0.38m
4:36AM0.28m
4:26PM0.51m
5:29AM0.04m
5:15PM0.62m
6:16AM-0.16m
6:01PM0.73m
6:58AM-0.30m
6:45PM0.82m
7:38AM-0.39m
7:27PM0.89m
8:16AM-0.43m
8:07PM0.94m
8:53AM-0.42m
8:46PM0.97m
9:29AM-0.38m
9:24PM0.98m
10:05AM-0.32m
10:03PM0.99m
10:42AM-0.23m
10:45PM1.00m
11:20AM-0.12m
11:32PM0.99m
12:00PM-0.00m
00:30AM0.94m
12:46PM0.13m
Wave
Height (m)
Direction
Period (s)
clear
part cloud
mod rain
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
mod rain
rain showers
part cloud
rain showers
clear
some clouds
mod rain
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
light rain
some clouds
some clouds
clear
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
mod rain
rain shwrs
some clouds
rain shwrs
km/h
10
W
10
SSE
20
SSE
15
SW
5
ESE
10
WNW
10
W
0
NW
10
W
15
W
5
S
10
W
15
WNW
10
WNW
15
W
15
W
5
NW
15
WNW
20
NW
5
WNW
15
WNW
15
WNW
5
ENE
10
NE
15
NW
5
S
10
SW
15
SW
5
ESE
0
E
5
SW
0
SSW
15
WNW
20
WNW
5
W
10
WSW
15
WSW
10
WNW
10
W
15
W
0
WNW
5
WNW
10
W
10
S
20
WNW
20
WNW
5
WNW
6
2
1
1
8
1
3
max °C
18
12
10
13
11
13
15
13
15
16
12
14
15
11
13
13
12
13
13
10
12
13
11
17
21
14
15
16
12
13
15
13
16
16
11
12
14
12
11
13
11
14
16
11
12
13
11
Moonrise
3:29
4:38
5:46
6:55
8:03
9:08
10:08
10:59
11:40
12:13
12:39
1:00
1:19
1:36
Moonset
2:46
3:02
3:19
3:38
4:00
4:28
5:04
5:49
6:44
7:46
8:53
10:02
11:12
12:22
1:34
Sunrise
5:30
5:28
5:28
5:28
5:26
5:26
5:26
5:24
5:24
5:24
5:22
5:22
5:22
5:22
5:22
Sunset
8:52
8:53
8:54
8:55
8:57
8:58
8:59
9:00
9:00
9:00
9:01
9:02
9:04
9:05
9:05
9:06
Today's sea temperature in Mailboat Slough, Willapa River is
13.9° C
(Statistics for 24 May 1981-2005 – mean: 12.5 max: 14.2 min: 10.9°C)
Issued (local time): 4 pm Sunday 24 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest