Saint Helens Sea Conditions and Tide Table

Saint Helens 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 59mm), heaviest during Fri afternoon. Cool air temperatures (max 12°C on Thu night, min 1°C on Sat night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 5mm), mostly falling on Tue morning. Cool air temperatures (max 17°C on Wed afternoon, min 6°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Warm (max 21°C on Thu afternoon, min 9°C on Fri morning). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 8mm), mostly falling on Sun morning. Very mild (max 12°C on Sat night, min 2°C on Sun night). Wind will be generally light.

Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sat
28
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
AM
Wave Height Map
High Tide
2:23AM0.62m
12:47PM0.80m
3:09AM0.65m
1:57PM0.79m
3:46AM0.67m
2:55PM0.79m
4:17AM0.69m
3:46PM0.79m
4:45AM0.72m
4:32PM0.79m
5:14AM0.77m
5:16PM0.77m
5:45AM0.83m
6:00PM0.74m
6:19AM0.90m
6:45PM0.71m
6:56AM0.97m
7:33PM0.67m
7:36AM1.02m
8:25PM0.63m
8:20AM1.04m
9:26PM0.59m
9:08AM1.01m
10:40PM0.57m
10:03AM0.95m
00:05AM0.58m
11:09AM0.87m
1:20AM0.61m
12:28PM0.80m
Low Tide
9:00PM0.29m
6:56AM0.34m
9:50PM0.23m
8:19AM0.32m
10:31PM0.18m
9:38AM0.27m
11:09PM0.12m
10:41AM0.22m
11:44PM0.08m
11:37AM0.17m
00:18AM0.06m
12:29PM0.13m
00:50AM0.06m
1:20PM0.12m
1:20AM0.07m
2:12PM0.11m
1:51AM0.09m
3:04PM0.13m
2:22AM0.13m
4:00PM0.15m
2:57AM0.17m
4:59PM0.18m
3:39AM0.21m
6:04PM0.20m
7:12PM0.20m
5:35AM0.28m
8:18PM0.17m
7:01AM0.28m
Wave
height (m) 
direction
period (s) 
heavy rain
mod rain
heavy rain
heavy rain
rain showers
part cloud
part cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
light rain
rain showers
part cloud
clear
cloud
cloud
clear
part cloud
part cloud
cloud
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
heavy rain
mod rain
heavy rain
heavy rain
rain shwrs
some clouds
some clouds
cloudy
cloudy
cloudy
light rain
some clouds
some clouds
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
rain shwrs
some clouds
clear
cloudy
cloudy
clear
some clouds
some clouds
cloudy
rain shwrs
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
 km/h
15
SSW
15
SSW
10
SSW
10
NW
10
WNW
15
WNW
0
NNE
5
E
5
N
5
SSE
5
ESE
5
ESE
5
SE
5
SE
5
SE
0
NW
5
SSE
5
ESE
5
SE
10
SSE
5
SSE
5
SE
5
SSE
5
SSE
0
ESE
10
SSE
10
SSW
10
S
15
NW
15
WNW
0
SE
5
SSE
5
SSE
5
ESE
5
SSE
5
SW
0
SE
15
SSW
15
WNW
5
W
5
SSE
5
NNE
5
N
0
SW
5
NNW
5
NW
5
SSE
 mm 
17
7
13
21
1
1
4
5
3
1
4
1
max°C
12
11
11
9
7
9
5
5
7
7
6
12
11
9
10
10
12
17
15
15
21
17
15
19
15
15
19
12
7
10
7
6
10
8
8
12
8
8
7
5
7
12
9
8
15
11
11
Moonrise
5:03
5:37
6:04
6:26
6:46
7:04
7:22
7:42
8:05
8:34
9:12
10:02
11:06
12:20
1:38
2:56
Moonset
1:15
2:24
3:37
4:51
6:06
7:22
8:40
10:00
11:24
12:47
2:05
3:12
4:04
4:44
5:13
Sunrise
7:28
7:26
7:24
7:22
7:20
7:18
7:16
7:13
7:11
7:11
7:09
7:07
7:05
7:03
7:01
6:58
Sunset
7:13
7:15
7:15
7:16
7:19
7:20
7:21
7:22
7:23
7:24
7:27
7:28
7:29
7:30
7:31
Today's sea temperature in Saint Helens is
9.1° C
(Statistics for 12 Mar 1981-2005 – mean: 9.5 max: 11.2 min: 8.4°C)
Issued (local time): 10 pm Thursday 12 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
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