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 35mm), heaviest during Sat night. Cool air temperatures (max 10°C on Sat morning, min 8°C on Thu night). Mainly strong winds.

Days 5–7 Weather Summary

Heavy rain (total 36mm), heaviest during Mon afternoon. Low air temperatures (max 9°C on Sun night, min 5°C on Wed morning). Winds decreasing (near gales from the SSW on Mon morning, light winds from the E by Wed morning).

Days 8–10 Weather Summary

Moderate rain (total 11mm), heaviest on Wed night. Very mild (max 10°C on Fri night, min 6°C on Wed night). Winds increasing (light winds from the ENE on Fri afternoon, fresh winds from the S by Sat morning).

Days 11–13 Weather Summary

Heavy rain (total 61mm), heaviest during Mon night. Very mild (max 11°C on Sat night, min 5°C on Sun night). Mainly near gales.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
1:52AM2.42m
12:36PM3.06m
2:29AM2.46m
1:13PM3.07m
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
Low Tide
7:31PM-0.07m
7:17AM1.43m
8:07PM-0.13m
7:54AM1.42m
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
Wave
height (m) 
direction
period (s) 
4.5
WSW
11
3.5
WSW
10
3.5
W
10
3
W
10
3
W
10
3
W
10
3
W
10
3
W
10
3
W
10
2.5
W
10
3
WSW
8
3.5
WSW
9
3.5
W
11
3
W
12
2.5
W
12
2.4
WNW
11
1.6
WNW
10
1.4
WNW
10
1.2
WNW
9
2.2
SSW
10
2.2
SSW
10
3
SW
10
2.5
SW
11
2.5
SSW
12
2.1
SSW
11
1.9
SW
10
2.1
SSW
6
3.5
SW
9
5.5
SW
12
6
SW
13
4
SW
12
3.5
WSW
11
3.5
WSW
11
3.5
WSW
11
3.5
W
11
3.5
W
12
rain showers
light rain
light rain
rain showers
light rain
light rain
mod rain
light rain
light rain
rain showers
light rain
mod rain
light rain
rain showers
light rain
cloud
mod rain
light rain
light rain
cloud
light rain
rain showers
light rain
light rain
light rain
light rain
cloud
light rain
mod rain
mod rain
heavy rain
light rain
rain showers
heavy rain
light rain
cloud
rain shwrs
light rain
light rain
rain shwrs
light rain
light rain
mod rain
light rain
light rain
rain shwrs
light rain
mod rain
light rain
rain shwrs
light rain
cloudy
mod rain
light rain
light rain
cloudy
light rain
rain shwrs
light rain
light rain
light rain
light rain
cloudy
light rain
mod rain
mod rain
heavy rain
light rain
rain shwrs
heavy rain
light rain
cloudy
 km/h
35
WNW
30
W
35
W
35
SW
35
SW
35
SW
35
SSW
45
SSW
30
SW
25
SSW
45
SSW
55
SW
25
SW
20
SSE
10
SE
15
ENE
10
E
20
ESE
20
E
20
ESE
15
SE
20
SSE
15
ESE
10
ENE
15
ESE
35
SSW
30
S
30
SSE
50
SSE
60
SSW
20
S
35
SW
30
WSW
50
SSW
20
SSE
15
ESE
 mm 
2
2
3
5
2
3
9
5
4
6
5
8
4
3
2
7
1
2
1
3
1
1
1
2
5
10
10
13
3
3
12
5
max°C
9
8
9
9
10
10
10
10
9
9
9
9
9
8
8
6
5
6
6
8
8
8
8
8
10
10
10
11
10
11
8
8
8
9
6
6
Moonrise
8:10
9:00
9:41
10:13
10:38
10:59
11:17
11:34
11:52
12:10
12:33
1:01
Moonset
3:51
4:49
5:54
7:04
8:16
9:28
10:41
11:54
1:09
2:28
3:52
Sunrise
7:54
7:54
7:56
7:56
7:56
7:56
7:58
7:58
7:58
7:58
7:58
7:58
Sunset
4:30
4:30
4:31
4:31
4:32
4:32
4:34
4:35
4:35
4:36
4:37
4:37
Today's sea temperature in Tarlatt Slough, Willapa Bay is
11.5° C
(Statistics for 18 Dec 1981-2005 – mean: 9.8 max: 11.2 min: 8.5°C)
Issued (local time): 9 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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