Seabrook Sea Conditions and Tide Table

Seabrook 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 07:09 AM and sunset is at 04:09 PM.

Days 1–3 Weather Summary

Moderate rain (total 17mm), heaviest on Fri morning. Icy conditions (max 14°C on Fri morning, min -3°C on Fri night). Winds decreasing (strong winds from the S on Fri morning, light winds from the W by Sat afternoon).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 4°C on Sun morning, min -6°C on Sun night). Winds decreasing (fresh winds from the NW on Sun night, light winds from the WSW by Mon night).

Days 7–9 Weather Summary

Moderate rain (total 10mm), heaviest on Thu night. Freeze-thaw conditions (max 12°C on Fri morning, min -8°C on Wed night). Winds decreasing (fresh winds from the NW on Wed morning, light winds from the WNW by Wed night).

Days 10–12 Weather Summary

Light rain (total 2mm) at first, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 6°C on Mon morning, min -4°C on Mon night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
9:35AM3.23m
10:13PM2.88m
10:15AM3.29m
10:54PM2.92m
10:56AM3.32m
11:35PM2.94m
11:36AM3.32m
00:15AM2.94m
12:17PM3.30m
00:54AM2.94m
12:57PM3.24m
1:34AM2.94m
1:38PM3.17m
2:16AM2.95m
2:23PM3.09m
2:59AM2.99m
3:11PM3.01m
3:47AM3.04m
4:06PM2.95m
4:39AM3.13m
5:05PM2.91m
5:35AM3.24m
6:09PM2.93m
6:33AM3.37m
Low Tide
4:03PM0.56m
4:04AM0.90m
4:44PM0.51m
4:45AM0.87m
5:24PM0.48m
5:26AM0.86m
6:04PM0.48m
6:06AM0.86m
6:43PM0.51m
6:47AM0.88m
7:22PM0.55m
7:30AM0.89m
8:02PM0.60m
8:15AM0.90m
8:43PM0.66m
9:04AM0.89m
9:28PM0.71m
9:59AM0.85m
10:18PM0.74m
10:58AM0.78m
11:13PM0.75m
12:00PM0.66m
00:12AM0.73m
Wave
height (m) 
direction
period (s) 
0.3
SE
9
0.7
SSE
4
0.9
SSE
6
1.9
SE
7
3
SE
10
1.6
SE
11
1.2
SE
12
0.8
SE
11
1.1
S
4
1.1
SE
9
0.9
SE
9
0.9
ESE
11
0.8
WNW
4
0.7
ESE
10
0.4
ESE
10
0.6
SSW
3
1
SSW
4
0.7
W
3
0.8
NW
4
0.6
NW
3
0.4
NE
6
0.4
SW
2
0.5
SSW
3
0.6
S
5
1.3
SSE
7
0.9
SSE
7
0.6
W
3
0.4
SE
10
0.4
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
7
0.5
SE
4
0.3
SE
4
0.3
SE
4
0.7
NE
5
clear
clear
part cloud
mod rain
rain showers
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
mod rain
part cloud
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
snow showers
part cloud
cloud
clear
clear
clear
some clouds
mod rain
rain shwrs
clear
clear
some clouds
cloudy
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
mod rain
some clouds
clear
some clouds
cloudy
cloudy
some clouds
cloudy
cloudy
snow shwrs
some clouds
cloudy
clear
 km/h
10
S
15
S
10
S
35
SSE
30
W
35
W
25
WNW
5
W
25
SSW
25
WSW
25
WNW
25
WNW
30
NW
20
NW
10
W
20
SSW
25
WSW
25
WNW
30
NW
25
NW
10
WNW
15
SW
15
SW
10
SSW
30
SW
25
W
20
WNW
10
NNW
5
ESE
5
W
0
WNW
5
S
5
SSW
5
NW
10
NNW
15
NW
 mm 
10
7
10
2
max°C
4
4
12
14
8
0
1
2
4
4
1
-1
-5
-5
-4
0
1
2
-5
-6
-7
0
1
6
12
11
4
2
2
3
3
3
2
6
5
0
Moonrise
6:12
7:11
8:03
8:46
9:22
9:51
10:15
10:37
10:57
11:17
11:38
12:03
Moonset
2:40
3:27
4:23
5:25
6:33
7:41
8:50
9:59
11:09
12:21
1:36
Sunrise
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:13
7:13
7:13
7:13
Sunset
4:09
4:10
4:10
4:12
4:12
4:13
4:13
4:14
4:15
4:15
4:15
4:16
Today's sea temperature in Seabrook is
6.9° C
(Statistics for 18 Dec 1981-2005 – mean: 7.0 max: 9.1 min: 5.2°C)
Issued (local time): 12 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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