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 08:36 PM.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 22°C on Tue afternoon, min 9°C on Sun night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 8mm), mostly falling on Fri morning. Cool air temperatures (max 16°C on Wed afternoon, min 7°C on Fri night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Very mild (max 16°C on Mon afternoon, min 6°C on Sat night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 2mm), mostly falling on Fri afternoon. Very mild (max 17°C on Tue afternoon, min 8°C on Tue night). Wind will be generally light.

Days 14–17 Weather Summary

Light rain (total 3mm), mostly falling on Fri afternoon. Warm (max 24°C on Tue morning, min 8°C on Sat night). Wind will be generally light.

Sun
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
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
9:24PM2.28m
9:08AM2.12m
10:12PM2.44m
10:21AM2.16m
10:55PM2.63m
11:26AM2.25m
11:35PM2.82m
12:26PM2.34m
00:14AM2.97m
1:23PM2.42m
00:54AM3.10m
2:18PM2.46m
1:36AM3.17m
3:12PM2.47m
2:21AM3.17m
4:05PM2.46m
3:10AM3.12m
4:58PM2.43m
4:03AM2.99m
5:50PM2.39m
5:01AM2.80m
6:43PM2.38m
6:04AM2.58m
7:37PM2.39m
7:11AM2.35m
8:32PM2.45m
8:24AM2.17m
Low Tide
2:33PM0.35m
3:17AM0.90m
3:30PM0.38m
4:19AM0.59m
4:24PM0.41m
5:15AM0.23m
5:15PM0.45m
6:06AM-0.14m
6:04PM0.50m
6:56AM-0.46m
6:52PM0.56m
7:44AM-0.71m
7:40PM0.62m
8:32AM-0.86m
8:29PM0.67m
9:20AM-0.90m
9:17PM0.72m
10:08AM-0.83m
10:08PM0.76m
10:58AM-0.67m
11:03PM0.80m
11:50AM-0.45m
00:04AM0.83m
12:45PM-0.20m
1:12AM0.81m
1:42PM0.02m
2:24AM0.71m
2:39PM0.22m
Wave
Height (m)
Direction
Period (s)
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
rain showers
light rain
rain showers
rain showers
rain showers
clear
clear
clear
cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
light rain
cloud
cloud
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
clear
rain shwrs
light rain
rain shwrs
rain shwrs
rain shwrs
clear
clear
clear
cloudy
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
light rain
cloudy
cloudy
clear
clear
some clouds
clear
clear
clear
some clouds
some clouds
km/h
15
W
0
NNW
5
NE
15
NW
10
ENE
5
ESE
10
WSW
5
SSW
10
WNW
15
WNW
10
WSW
10
W
15
WSW
10
S
10
WSW
15
W
5
W
10
W
15
WNW
5
NNE
5
WNW
15
NW
5
ESE
10
NW
15
NW
5
N
10
NW
15
NW
5
NW
15
WNW
15
NW
5
NNW
10
NW
15
NW
5
W
10
SW
20
NW
25
WNW
20
WNW
20
WNW
0
WNW
5
N
15
NW
0
ENE
10
N
15
NW
5
NNE
1
4
1
1
1
5
max °C
15
13
16
20
14
21
22
14
17
16
11
12
13
11
11
13
11
12
13
10
14
15
11
15
16
12
16
17
11
14
15
11
16
17
12
12
12
11
11
12
10
14
17
12
18
22
14
Moonrise
3:14
3:32
3:49
4:08
4:32
5:02
5:44
6:40
7:50
9:11
10:33
11:53
1:08
2:20
3:29
Moonset
2:38
3:52
5:10
6:32
7:59
9:26
10:48
11:56
12:47
1:24
1:51
2:13
2:30
2:46
Sunrise
5:46
5:45
5:43
5:41
5:41
5:39
5:39
5:37
5:35
5:35
5:33
5:33
5:31
5:31
5:30
Sunset
8:36
8:37
8:37
8:39
8:40
8:42
8:43
8:45
8:45
8:46
8:47
8:49
8:50
8:52
8:52
8:53
Today's sea temperature in Mailboat Slough, Willapa River is
13.0° C
(Statistics for 10 May 1981-2005 – mean: 11.6 max: 12.7 min: 9.8°C)
Issued (local time): 4 pm Sunday 10 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest