Tarlatt Slough, Willapa Bay Sea Conditions and Tide Table

Tarlatt Slough, Willapa Bay 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 —.

Days 1–4 Weather Summary

Heavy rain (total 43mm), heaviest during Mon afternoon. Cool air temperatures (max 10°C on Sat night, min 7°C on Sat night). Winds decreasing (near gales from the S on Mon morning, light winds from the S by Tue afternoon).

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Thu morning. Low air temperatures (max 9°C on Thu night, min 5°C on Wed night). Winds increasing (light winds from the ENE on Tue night, fresh winds from the E by Wed night).

Days 8–10 Weather Summary

Heavy rain (total 36mm), heaviest during Mon afternoon. Very mild (max 10°C on Sat afternoon, min 6°C on Sat night). Winds increasing (light winds from the E on Sat afternoon, near gales from the S by Mon afternoon).

Days 11–13 Weather Summary

Heavy rain (total 50mm), heaviest during Wed afternoon. Very mild (max 10°C on Mon night, min 3°C on Wed afternoon). Winds decreasing (gales from the S on Mon night, calm by Wed afternoon).

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thu
1
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
Wave Height Map
High Tide
3:04AM2.48m
1:50PM3.06m
3:40AM2.50m
2:27PM3.03m
4:16AM2.52m
3:06PM2.95m
4:52AM2.56m
3:49PM2.83m
5:29AM2.62m
4:38PM2.65m
6:08AM2.71m
5:38PM2.44m
6:50AM2.82m
6:51PM2.25m
7:36AM2.94m
8:16PM2.13m
8:25AM3.08m
9:43PM2.13m
9:17AM3.22m
11:00PM2.23m
10:11AM3.35m
00:08AM2.38m
11:05AM3.44m
Low Tide
8:42PM-0.16m
8:31AM1.42m
9:17PM-0.16m
9:08AM1.41m
9:52PM-0.12m
9:49AM1.40m
10:29PM-0.04m
10:35AM1.37m
11:07PM0.08m
11:28AM1.31m
11:47PM0.25m
12:30PM1.19m
00:31AM0.46m
1:38PM0.99m
1:20AM0.71m
2:47PM0.72m
2:16AM0.94m
3:54PM0.40m
3:19AM1.15m
4:56PM0.06m
4:25AM1.27m
5:52PM-0.22m
5:29AM1.32m
6:45PM-0.45m
Wave
height (m) 
direction
period (s) 
2.5
W
10
2.3
W
10
2.2
W
10
2.3
W
9
3
WSW
8
3.5
WSW
9
3.5
W
10
3.5
W
12
3
WNW
12
2.2
WNW
11
1.6
WNW
10
1.4
WNW
9
1.4
WNW
9
1.4
W
13
2.4
SW
12
4.5
SSW
14
3.5
SSW
12
3.5
SSW
12
3
SSW
11
1.9
SW
10
1.7
SW
9
1.4
SW
8
2.1
SSW
7
2.1
SSW
7
2.5
SW
8
4.5
WSW
12
5.5
WSW
12
5.5
SW
12
4
WSW
12
3.5
SW
11
3
WSW
11
3
WSW
11
3
WSW
11
2.5
WSW
11
2.4
W
11
2.3
W
10
mod rain
rain showers
light rain
rain showers
mod rain
mod rain
rain showers
light rain
light rain
cloud
part cloud
part cloud
part cloud
light rain
light rain
part cloud
part cloud
light rain
part cloud
clear
clear
rain showers
light rain
cloud
light rain
mod rain
heavy rain
heavy rain
mod rain
light rain
mod rain
rain showers
mod rain
rain showers
rain showers
light rain
mod rain
rain shwrs
light rain
rain shwrs
mod rain
mod rain
rain shwrs
light rain
light rain
cloudy
some clouds
some clouds
some clouds
light rain
light rain
some clouds
some clouds
light rain
some clouds
clear
clear
rain shwrs
light rain
cloudy
light rain
mod rain
heavy rain
heavy rain
mod rain
light rain
mod rain
rain shwrs
mod rain
rain shwrs
rain shwrs
light rain
 km/h
35
S
15
SE
30
WSW
25
SW
30
SSE
40
SW
30
SW
25
SSW
15
S
10
ENE
15
ESE
20
E
30
ENE
30
ESE
25
ENE
25
ESE
20
E
25
ESE
20
E
15
ESE
15
E
20
ESE
30
SSE
20
SE
20
SE
45
SSE
55
S
30
SW
10
NNE
20
S
30
W
15
WNW
10
SW
10
WNW
10
WSW
25
W
 mm 
7
5
3
3
7
8
4
4
2
2
1
1
1
1
1
8
25
13
6
1
10
1
9
4
3
2
max°C
10
8
10
9
9
9
9
9
8
7
7
8
7
8
7
9
9
9
8
9
10
7
8
8
10
9
10
10
9
10
10
6
7
7
7
8
Moonrise
9:41
10:13
10:38
10:59
11:17
11:34
11:52
12:10
12:33
1:01
1:40
2:33
Moonset
5:54
7:04
8:16
9:28
10:41
11:54
1:09
2:28
3:52
5:17
6:39
Sunrise
7:56
7:56
7:56
7:56
7:58
7:58
7:58
7:58
7:58
7:58
7:58
7:58
Sunset
4:31
4:31
4:32
4:32
4:34
4:35
4:35
4:36
4:37
4:37
4:38
4:39
Today's sea temperature in Tarlatt Slough, Willapa Bay is
11.1° C
(Statistics for 20 Dec 1981-2005 – mean: 9.7 max: 11.2 min: 8.1°C)
Issued (local time): 9 pm Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest