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 07:58 AM and sunset is at 04:49 PM.

Days 1–3 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max -2°C on Thu afternoon, min -7°C on Fri morning). Winds increasing (light winds from the WSW on Thu morning, strong winds from the N by Thu night).

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Mon night. Icy conditions (max 7°C on Mon night, min -5°C on Tue night). Winds increasing (light winds from the WNW on Sun night, strong winds from the W by Tue morning).

Days 7–9 Weather Summary

Moderate rain (total 13mm) heaviest on Thu night, then becoming colder with a dusting of snow on Fri afternoon. Freeze-thaw conditions (max 6°C on Thu night, min -11°C on Fri night). Mainly strong winds.

Days 10–12 Weather Summary

A dusting of snow turning to light rain (total 7mm) on Mon morning. Freeze-thaw conditions (max 5°C on Mon morning, min -11°C on Sat morning). Winds decreasing (fresh winds from the NW on Sat night, light winds from the SSW by Sun night).

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
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
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
7:26PM5.03m
7:53AM5.69m
8:31PM5.02m
8:55AM5.74m
9:34PM5.23m
9:55AM5.95m
10:33PM5.44m
10:51AM6.13m
11:28PM5.61m
11:46AM6.23m
00:22AM5.71m
12:39PM6.23m
1:13AM5.75m
Low Tide
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
1:44AM1.32m
2:26PM0.92m
2:48AM1.35m
3:28PM0.76m
3:49AM1.15m
4:26PM0.50m
4:46AM0.95m
5:21PM0.30m
5:41AM0.79m
6:14PM0.20m
6:33AM0.70m
7:05PM0.21m
Wave
height (m) 
direction
period (s) 
0.2
WSW
3
0.8
NNW
3
2.1
NNW
6
1.7
NNW
6
1.2
N
5
0.8
N
4
0.9
NNE
4
0.9
N
4
1.7
NW
6
2.1
NNW
6
1.8
NW
6
1
NW
5
0.4
SSW
2
1
S
4
1.9
WSW
6
2.5
WSW
8
3
WSW
8
2.1
WSW
7
1.3
WSW
6
1
WSW
6
0.9
WSW
5
2.1
SW
7
1.6
SW
7
2.1
SW
7
1.4
SW
6
1.8
NW
5
1.6
NW
6
0.6
NW
4
0.8
NW
4
1.2
NW
5
1.1
NW
5
0.5
NW
4
0.6
S
3
1.7
SSW
6
1.3
WSW
6
0.9
WSW
5
light snow
light snow
cloud
cloud
cloud
cloud
cloud
clear
part cloud
clear
clear
part cloud
cloud
light rain
mod rain
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
light rain
mod rain
light rain
light snow
cloud
cloud
cloud
cloud
cloud
part cloud
snow showers
mod rain
light rain
part cloud
light snow
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
clear
some clouds
clear
clear
some clouds
cloudy
light rain
mod rain
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
light rain
mod rain
light rain
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
snow shwrs
mod rain
light rain
some clouds
 km/h
10
SSW
30
NNW
45
N
35
N
25
N
20
N
25
N
25
NNW
30
NNW
40
NNW
35
NW
20
NW
15
S
35
SSE
40
WSW
45
W
45
W
40
W
25
W
25
WSW
25
SW
40
SW
30
SW
40
SW
30
SW
40
WNW
30
NW
15
WNW
25
WNW
30
NNW
30
NW
10
WNW
25
SSE
35
S
30
WSW
25
WNW
 mm 
1
7
1
9
3
6
1
max°C
-3
-2
-2
-7
-6
-6
-6
-4
-4
-1
1
0
0
5
7
-2
-3
-3
-5
-3
2
4
4
6
4
-3
-7
-10
-9
-9
-10
-9
0
5
5
4
Moonrise
11:20
11:39
11:58
12:18
12:42
1:11
1:50
2:42
3:48
5:06
6:28
7:48
Moonset
10:39
11:50
1:03
2:20
3:40
5:03
6:25
7:36
8:34
9:17
9:49
Sunrise
7:58
7:58
7:58
7:58
7:58
8:00
8:00
8:00
8:00
8:00
8:00
8:00
Sunset
4:49
4:50
4:50
4:51
4:52
4:52
4:53
4:54
4:55
4:57
4:58
4:59
Today's sea temperature in Weymouth, Saint Mary Bay is
6.3° C
(Statistics for 25 Dec 1981-2005 – mean: 5.5 max: 6.8 min: 3.8°C)
Issued (local time): 1 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest