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 04:44 PM.

Days 1–4 Weather Summary

Heavy rain (total 43mm), heaviest during Thu morning. Cool air temperatures (max 14°C on Wed afternoon, min 10°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 9mm), mostly falling on Sun night. Cool air temperatures (max 12°C on Sun morning, min 5°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 16mm), heaviest on Wed night. Very mild (max 10°C on Thu morning, min 3°C on Tue night). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 35mm), heaviest during Sun night. Mild temperatures (max 9°C on Sat morning, min 6°C on Fri night). Wind will be generally light.

Wed
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Mon
24
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
6:44PM2.50m
8:10AM2.59m
7:58PM2.38m
9:02AM2.71m
9:08PM2.34m
9:46AM2.83m
10:10PM2.36m
10:24AM2.93m
11:05PM2.40m
10:58AM2.99m
11:54PM2.44m
11:30AM3.02m
00:40AM2.47m
12:01PM3.03m
1:25AM2.49m
12:32PM3.02m
2:08AM2.49m
1:03PM2.99m
2:51AM2.48m
1:35PM2.96m
3:33AM2.46m
2:09PM2.91m
4:15AM2.44m
Low Tide
1:18AM0.35m
1:58PM1.04m
2:15AM0.49m
3:05PM0.83m
3:08AM0.61m
4:02PM0.59m
3:56AM0.71m
4:51PM0.36m
4:40AM0.83m
5:34PM0.16m
5:22AM0.94m
6:14PM0.02m
6:02AM1.05m
6:52PM-0.07m
6:41AM1.15m
7:30PM-0.11m
7:20AM1.23m
8:06PM-0.10m
7:57AM1.29m
8:44PM-0.06m
8:35AM1.33m
9:21PM0.01m
9:15AM1.37m
Wave
height (m) 
direction
period (s) 
light rain
light rain
mod rain
light rain
cloud
light rain
mod rain
heavy rain
light rain
cloud
cloud
cloud
cloud
mod rain
light rain
clear
clear
part cloud
clear
clear
cloud
light rain
heavy rain
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
part cloud
light rain
light rain
heavy rain
light rain
light rain
light rain
mod rain
light rain
cloudy
light rain
mod rain
heavy rain
light rain
cloudy
cloudy
cloudy
cloudy
mod rain
light rain
clear
clear
some clouds
clear
clear
cloudy
light rain
heavy rain
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
cloudy
some clouds
light rain
light rain
heavy rain
light rain
 km/h
10
S
5
E
5
SE
10
WSW
5
SSW
20
SSW
25
SSW
25
SSW
15
S
10
SSE
5
E
5
SSE
10
SSE
15
NNW
15
NW
15
NW
5
NNW
5
WNW
5
NW
5
E
10
ESE
15
ESE
25
ESE
10
SE
5
E
5
ENE
5
ENE
5
NW
5
E
5
E
5
ENE
5
ESE
10
SSE
15
SSE
5
ESE
5
NE
 mm 
1
4
9
3
3
6
14
3
8
1
5
11
3
4
23
5
max°C
14
13
14
12
11
12
12
12
11
11
11
12
12
11
10
9
6
10
9
6
7
7
7
10
9
5
9
8
7
9
9
8
7
7
8
9
Moonrise
12:25
1:34
2:42
3:48
4:54
6:02
7:09
8:16
9:20
10:16
11:03
11:41
Moonset
2:06
2:22
2:36
2:51
3:08
3:28
3:52
4:23
5:03
5:53
6:53
Sunrise
7:15
7:16
7:16
7:18
7:20
7:22
7:22
7:24
7:26
7:26
7:28
7:30
Sunset
4:44
4:43
4:42
4:40
4:39
4:38
4:37
4:37
4:36
4:35
4:34
4:32
Today's sea temperature in Mailboat Slough, Willapa River is
12.3° C
(Statistics for 12 Nov 1981-2005 – mean: 11.3 max: 12.7 min: 9.9°C)
Issued (local time): 3 pm Wednesday 12 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest