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 04:44 PM.

Days 1–4 Weather Summary

Moderate rain (total 12mm) heaviest on Wed night, then becoming colder with a dusting of snow on Thu night. Icy conditions (max 10°C on Wed night, min -6°C on Tue afternoon). Winds increasing (light winds from the SW on Tue night, near gales from the WSW by Thu night).

Days 5–7 Weather Summary

A dusting of new snow. Icy conditions (max 1°C on Sat night, min -3°C on Mon morning). Winds decreasing (strong winds from the W on Fri afternoon, calm by Sat night).

Days 8–10 Weather Summary

Light rain (total 6mm), mostly falling on Wed night. Freeze-thaw conditions (max 6°C on Wed night, min -6°C on Tue night). Winds decreasing (strong winds from the NNW on Mon afternoon, light winds from the WNW by Wed morning).

Days 11–13 Weather Summary

Heavy rain (total 22mm), heaviest during Fri afternoon. Freeze-thaw conditions (max 14°C on Fri afternoon, min -2°C on Sat night). Winds increasing (light winds from the SSW on Thu night, near gales from the S by Fri afternoon).

Tue
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sun
21
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
2:40PM5.77m
3:18AM5.31m
3:38PM5.51m
4:17AM5.20m
4:39PM5.28m
5:16AM5.14m
5:39PM5.10m
6:13AM5.15m
6:38PM5.00m
7:07AM5.19m
7:35PM4.97m
7:57AM5.27m
8:26PM4.99m
8:43AM5.36m
9:13PM5.05m
9:26AM5.45m
9:56PM5.12m
10:06AM5.52m
10:36PM5.17m
10:44AM5.57m
11:14PM5.20m
11:22AM5.60m
11:51PM5.21m
Low Tide
9:07PM0.80m
9:32AM1.33m
10:04PM1.04m
10:32AM1.46m
11:02PM1.25m
11:33AM1.54m
00:00AM1.41m
12:33PM1.53m
00:56AM1.51m
1:29PM1.46m
1:48AM1.56m
2:21PM1.35m
2:37AM1.57m
3:08PM1.22m
3:22AM1.56m
3:51PM1.11m
4:03AM1.53m
4:31PM1.03m
4:42AM1.51m
5:09PM0.98m
5:21AM1.48m
5:46PM0.95m
5:58AM1.46m
Wave
height (m) 
direction
period (s) 
0.6
W
3
1.4
SW
5
2
SW
7
1.6
SW
8
2
SW
8
1.9
SW
8
2.5
SW
8
3
SW
10
3
WSW
8
3
WSW
8
2.3
WSW
7
1.1
SW
8
0.8
SW
7
0.4
SW
6
0.4
SW
6
0.7
SW
4
1.3
N
5
2
NNW
6
2.1
NW
6
1.6
NW
6
1.1
NW
5
0.9
NW
4
0.8
NW
4
0.3
NW
3
0.9
SW
4
2.5
SW
7
1.6
SW
8
1.1
SW
8
0.6
SW
7
1.1
S
4
2.5
SSW
6
2.4
SW
10
2.1
SW
7
2.1
NW
6
0.9
SW
10
1
SSW
4
clear
cloud
light rain
rain showers
light rain
light rain
cloud
light snow
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
light snow
light snow
light snow
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
light rain
rain showers
part cloud
part cloud
light rain
heavy rain
rain showers
part cloud
part cloud
part cloud
part cloud
clear
cloudy
light rain
rain shwrs
light rain
light rain
cloudy
light snow
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
light snow
light snow
light snow
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
light rain
rain shwrs
some clouds
some clouds
light rain
heavy rain
rain shwrs
some clouds
some clouds
some clouds
some clouds
 km/h
20
WSW
35
SW
40
SW
30
S
35
S
30
WSW
45
SW
50
WSW
50
W
45
W
40
W
20
W
15
W
5
W
10
SE
20
W
30
NNW
40
NNW
45
NNW
35
NW
25
NW
25
NW
20
NW
15
WSW
25
S
45
SSW
30
W
10
WNW
15
SSE
35
SSE
60
S
40
WSW
40
W
40
NW
5
NNW
30
S
 mm 
4
2
4
2
5
1
4
12
6
max°C
-5
2
5
7
10
6
6
-1
-3
-1
-1
-1
0
1
0
1
0
-3
-2
-3
-5
-5
-5
-5
0
6
5
5
5
7
14
13
3
2
0
1
Moonrise
10:12
11:23
12:30
1:36
2:40
3:45
4:50
5:56
6:59
7:59
8:51
9:34
Moonset
12:14
12:32
12:50
1:06
1:24
1:44
2:08
2:38
3:15
4:01
4:57
Sunrise
7:48
7:50
7:50
7:50
7:52
7:52
7:54
7:54
7:54
7:56
7:56
7:56
Sunset
4:44
4:44
4:44
4:44
4:44
4:44
4:45
4:45
4:45
4:45
4:45
4:45
Today's sea temperature in Weymouth, Saint Mary Bay is
7.7° C
(Statistics for 09 Dec 1981-2005 – mean: 6.7 max: 8.2 min: 5.5°C)
Issued (local time): 1 pm Tuesday 09 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest