South Boston Sea Conditions and Tide Table

South Boston 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 04:15 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 3°C on Thu morning, min -10°C on Thu night). Mainly fresh winds.

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Sun night. Icy conditions (max 8°C on Mon morning, min -6°C on Sat night). Winds increasing (light winds from the NW on Sun morning, strong winds from the W by Mon night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Wed morning, min -10°C on Wed night). Winds decreasing (fresh winds from the W on Tue morning, light winds from the NW by Thu night).

Days 10–12 Weather Summary

A light covering of new snow on Fri afternoon turning to drizzle on Sun night. Freeze-thaw conditions (max 3°C on Sun night, min -9°C on Sat morning). Mainly fresh winds.

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
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
1:50PM2.86m
2:28AM2.56m
2:34PM2.81m
3:13AM2.62m
3:24PM2.76m
4:01AM2.71m
4:19PM2.69m
4:53AM2.82m
5:17PM2.65m
5:46AM2.94m
6:17PM2.62m
6:41AM3.06m
7:20PM2.62m
7:40AM3.17m
8:21PM2.64m
8:37AM3.25m
9:21PM2.72m
9:34AM3.34m
10:18PM2.79m
10:29AM3.39m
11:13PM2.85m
11:24AM3.39m
00:07AM2.89m
Low Tide
7:38AM0.37m
8:11PM0.06m
8:24AM0.36m
8:55PM0.07m
9:14AM0.32m
9:42PM0.09m
10:09AM0.27m
10:33PM0.10m
11:08AM0.19m
11:25PM0.12m
12:07PM0.09m
00:21AM0.12m
1:09PM-0.04m
1:19AM0.11m
2:11PM-0.17m
2:17AM0.10m
3:09PM-0.27m
3:15AM0.03m
4:05PM-0.37m
4:11AM-0.03m
4:59PM-0.42m
5:06AM-0.06m
5:53PM-0.43m
6:01AM-0.06m
Wave
height (m) 
direction
period (s) 
1
NNW
4
2
ENE
7
1.4
E
8
1.1
E
9
1
E
9
1.5
N
5
1.2
NE
7
1
NE
7
0.8
ENE
8
1.1
NE
5
1
ENE
7
0.8
ENE
12
0.7
ENE
12
0.5
ENE
12
0.4
ENE
11
0.9
SSE
4
0.7
WSW
3
1
WSW
4
1.3
W
4
1.2
W
4
0.9
W
4
0.7
SW
3
0.9
SW
4
0.9
NW
4
0.7
NW
4
0.4
NNW
4
0.4
ENE
11
0.2
E
11
0.2
E
11
0.3
E
10
1.5
NE
6
1.1
NE
6
0.8
ENE
6
0.6
E
9
0.8
ESE
6
0.7
E
9
snow showers
part cloud
part cloud
cloud
clear
clear
clear
cloud
cloud
part cloud
clear
clear
clear
part cloud
light rain
light rain
part cloud
part cloud
cloud
clear
part cloud
part cloud
part cloud
clear
cloud
part cloud
part cloud
cloud
light snow
light snow
light snow
part cloud
part cloud
cloud
cloud
light rain
snow shwrs
some clouds
some clouds
cloudy
clear
clear
clear
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
light rain
light rain
some clouds
some clouds
cloudy
clear
some clouds
some clouds
some clouds
clear
cloudy
some clouds
some clouds
cloudy
light snow
light snow
light snow
some clouds
some clouds
cloudy
cloudy
light rain
 km/h
30
NW
25
N
10
WSW
20
WSW
25
NW
30
NNW
15
NNW
10
N
15
N
20
NNE
15
N
10
NW
10
WNW
10
W
15
SSW
25
SSW
25
W
35
WSW
35
W
35
W
25
W
25
SW
30
WSW
25
WNW
20
WNW
15
WNW
15
WNW
5
WSW
10
SSW
20
N
25
N
15
N
5
N
15
SSE
20
S
15
SW
 mm 
4
4
1
max°C
1
0
-1
3
2
-6
-7
-5
-5
-5
-5
-5
1
2
5
8
6
0
-1
-2
-2
2
2
-6
-7
-6
-8
-7
-6
-4
-8
-8
-7
-2
1
3
Moonrise
10:15
10:37
10:58
11:19
11:41
12:06
12:38
1:19
2:12
3:19
4:35
5:55
Moonset
8:53
10:01
11:10
12:21
1:36
2:54
4:16
5:35
6:46
7:45
8:29
Sunrise
7:09
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
Sunset
4:15
4:15
4:16
4:16
4:17
4:19
4:20
4:20
4:21
4:22
4:22
4:23
Today's sea temperature in South Boston is
6.1° C
(Statistics for 24 Dec 1981-2005 – mean: 6.8 max: 8.4 min: 5.6°C)
Issued (local time): 6 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest