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 07:56 AM and sunset is at 04:32 PM.

Days 1–3 Weather Summary

Light rain (total 9mm), mostly falling on Thu morning. Low air temperatures (max 9°C on Wed afternoon, min 7°C on Wed night). Mainly fresh winds.

Days 4–6 Weather Summary

Mostly dry. Low air temperatures (max 9°C on Mon afternoon, min 5°C on Sun morning). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 39mm), heaviest during Thu morning. Very mild (max 12°C on Wed night, min 7°C on Tue morning). Winds increasing (light winds from the ESE on Tue morning, strong winds from the SW by Thu night).

Days 10–12 Weather Summary

Heavy rain (total 65mm), heaviest during Sat night. Very mild (max 10°C on Sun afternoon, min 5°C on Sat morning). Winds increasing (calm on Fri night, gales from the S by Sun afternoon).

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
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
High Tide
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
1:04AM2.54m
12:00PM3.51m
1:53AM2.66m
12:54PM3.54m
2:39AM2.76m
1:45PM3.48m
3:22AM2.84m
Low Tide
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
6:29AM1.27m
7:34PM-0.58m
7:25AM1.18m
8:21PM-0.61m
8:17AM1.09m
9:05PM-0.55m
Wave
height (m) 
direction
period (s) 
1.6
WNW
10
1.5
WNW
10
1.4
WNW
9
1.2
WNW
10
1.4
WNW
12
3
SSW
12
2.5
SSW
11
2.5
SW
10
2.3
W
9
2.5
WNW
9
2.1
WNW
9
1.5
WNW
9
1.2
WNW
9
0.9
WNW
8
1.5
WNW
13
1.9
WNW
12
2
W
12
2
W
13
2.2
W
13
2.2
W
13
2
W
12
2.1
W
12
2.3
W
12
3
W
12
3
W
12
2.5
W
12
3
WNW
12
3.5
WSW
9
3
WNW
13
2.5
WNW
12
2.3
WNW
11
2.2
WNW
10
3
SW
8
3
W
9
4.5
SW
9
6
W
12
light rain
rain showers
part cloud
light rain
cloud
part cloud
light rain
cloud
rain showers
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
light rain
heavy rain
heavy rain
mod rain
rain showers
rain showers
light rain
light rain
light rain
heavy rain
light rain
heavy rain
light rain
light rain
rain shwrs
some clouds
light rain
cloudy
some clouds
light rain
cloudy
rain shwrs
cloudy
cloudy
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
light rain
heavy rain
heavy rain
mod rain
rain shwrs
rain shwrs
light rain
light rain
light rain
heavy rain
light rain
heavy rain
light rain
 km/h
20
S
10
S
20
ENE
15
E
15
E
15
ENE
20
WNW
35
WNW
25
WNW
20
NW
15
NW
10
N
10
E
10
NNE
15
ENE
15
ENE
15
NE
15
ENE
15
E
10
ESE
10
ESE
20
SE
15
SE
30
SSE
20
S
30
WNW
45
SW
35
W
25
WSW
15
SE
20
SE
25
SE
40
SW
40
S
65
S
50
WSW
 mm 
2
1
4
1
1
1
16
14
8
2
1
3
3
4
20
5
21
5
max°C
8
9
7
9
9
8
9
8
8
8
8
8
5
6
6
8
9
8
8
9
8
9
10
12
10
8
8
9
9
8
5
6
9
8
10
8
Moonrise
10:59
11:17
11:34
11:52
12:10
12:33
1:01
1:40
2:33
3:42
5:02
6:26
Moonset
9:28
10:41
11:54
1:09
2:28
3:52
5:17
6:39
7:49
8:43
9:22
Sunrise
7:56
7:58
7:58
7:58
7:58
7:58
7:58
7:58
7:58
7:58
7:58
7:58
Sunset
4:32
4:34
4:35
4:35
4:36
4:37
4:37
4:38
4:39
4:40
4:42
4:43
Today's sea temperature in Tarlatt Slough, Willapa Bay is
10.5° C
(Statistics for 24 Dec 1981-2005 – mean: 9.6 max: 11.2 min: 8.1°C)
Issued (local time): 9 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest