Weymouth, Saint Mary Bay Sea Conditions and Tide Table

Weymouth, Saint Mary 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

Light rain (total 9mm), mostly falling on Fri night. Icy conditions (max 14°C on Fri morning, min -2°C on Sat morning). Winds decreasing (gales from the S on Fri night, light winds from the NW by Sat night).

Days 5–7 Weather Summary

A dusting of new snow. Icy conditions (max 1°C on Sun night, min -6°C on Mon night). Winds decreasing (strong winds from the NNW on Mon afternoon, light winds from the NW by Tue night).

Days 8–10 Weather Summary

Moderate rain (total 19mm), heaviest on Fri afternoon. Freeze-thaw conditions (max 4°C on Thu afternoon, min -1°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the NNW by Sat afternoon).

Days 11–13 Weather Summary

Mostly dry. Temperatures will be below freezing (max -1°C on Tue night, min -5°C on Sun morning). Winds decreasing (fresh winds from the NNW on Sat night, calm by Mon morning).

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
10:36PM5.17m
10:44AM5.57m
11:14PM5.20m
11:22AM5.60m
11:51PM5.21m
12:00PM5.62m
00:29AM5.21m
12:38PM5.61m
1:07AM5.21m
1:17PM5.57m
1:47AM5.22m
1:58PM5.51m
2:29AM5.24m
2:42PM5.42m
3:14AM5.27m
3:30PM5.30m
4:03AM5.31m
4:22PM5.16m
4:56AM5.35m
5:20PM5.05m
5:53AM5.42m
6:22PM4.99m
6:52AM5.53m
Low Tide
4:42AM1.51m
5:09PM0.98m
5:21AM1.48m
5:46PM0.95m
5:58AM1.46m
6:24PM0.95m
6:36AM1.45m
7:02PM0.95m
7:16AM1.44m
7:42PM0.97m
7:58AM1.43m
8:23PM1.00m
8:42AM1.43m
9:07PM1.05m
9:30AM1.44m
9:54PM1.13m
10:23AM1.44m
10:46PM1.22m
11:20AM1.40m
11:42PM1.31m
12:20PM1.31m
00:42AM1.35m
1:23PM1.14m
Wave
height (m) 
direction
period (s) 
1.5
SSW
6
1.9
SSW
6
3
SSW
7
2.4
SW
11
3
WSW
8
1.7
WSW
7
1
SW
11
2.5
SW
7
2.5
SW
8
2.1
WSW
7
2.2
NW
6
2.3
NW
6
1.6
NW
6
1
W
4
0.7
WSW
4
0.6
SW
6
0.4
SW
6
0.6
W
4
0.4
SW
7
0.6
SW
3
1.4
SW
6
0.7
SW
6
0.8
SW
6
1.1
NE
6
1.1
NE
6
0.9
SW
10
1.5
NNW
5
1.5
NNW
6
1.5
NNW
5
1.1
NNW
5
0.6
NNW
4
0.2
W
4
0.2
WSW
3
0.7
NW
4
0.9
NNW
4
0.6
NW
4
part cloud
part cloud
light rain
mod rain
cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
light snow
light snow
cloud
cloud
light rain
light rain
light rain
heavy rain
light rain
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
some clouds
some clouds
light rain
mod rain
cloudy
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
light snow
light snow
cloudy
cloudy
light rain
light rain
light rain
heavy rain
light rain
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
clear
 km/h
35
S
45
S
60
S
35
WSW
45
WNW
30
WNW
25
S
45
SSW
45
WSW
40
WNW
45
NW
45
NNW
35
NW
25
WNW
15
W
10
NNE
15
N
20
N
5
NNW
25
SW
30
SW
15
ENE
25
ESE
25
ENE
25
N
20
NW
35
NNW
35
NNW
30
N
25
N
20
NNW
10
W
10
WNW
25
NNW
25
NNW
20
WNW
 mm 
3
6
1
3
2
12
1
max°C
9
14
14
14
1
0
2
7
6
1
-3
-4
-4
-2
1
1
0
0
0
2
4
4
3
4
3
2
2
-2
-5
-4
-4
-3
-2
-2
-4
-2
Moonrise
7:59
8:51
9:34
10:08
10:37
11:00
11:20
11:39
11:58
12:18
12:42
1:11
Moonset
4:01
4:57
6:00
7:08
8:18
9:29
10:39
11:50
1:03
2:20
3:40
Sunrise
7:56
7:56
7:56
7:56
7:58
7:58
7:58
7:58
7:58
7:58
7:58
8:00
Sunset
4:45
4:45
4:46
4:46
4:47
4:47
4:49
4:50
4:50
4:51
4:52
4:52
Today's sea temperature in Weymouth, Saint Mary Bay is
6.6° C
(Statistics for 18 Dec 1981-2005 – mean: 6.1 max: 7.5 min: 4.3°C)
Issued (local time): 7 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest