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 snow turning to light rain (total 3mm) on Tue night. Icy conditions (max 3°C on Tue night, min -10°C on Thu night). Winds increasing (light winds from the WNW on Wed night, fresh winds from the NNW by Thu night).

Days 4–6 Weather Summary

Moderate rain (total 11mm), heaviest on Sun night. Icy conditions (max 6°C on Sun night, min -6°C on Sat night). Winds increasing (light winds from the WNW on Sat night, fresh winds from the W by Mon morning).

Days 7–9 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -1°C on Wed afternoon, min -6°C on Tue night). Winds decreasing (fresh winds from the WSW on Mon night, light winds from the NW by Thu morning).

Days 10–12 Weather Summary

Mostly dry. Temperatures will be below freezing (max -1°C on Sun afternoon, min -17°C on Thu night). Winds decreasing (fresh winds from the NW on Thu night, calm by Sat afternoon).

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sun
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
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
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
Wave
height (m) 
direction
period (s) 
1
N
4
2
ENE
8
1.4
E
8
1.1
E
9
0.9
E
9
1.5
N
5
1.1
NE
7
1
NE
7
0.8
ENE
8
1.2
NE
5
1
ENE
12
0.9
ENE
12
0.7
ENE
12
0.6
ENE
12
0.6
ENE
11
0.9
SE
5
1
WNW
4
1.1
WSW
4
1.1
W
4
1
W
4
0.8
WNW
4
0.6
W
3
0.5
SW
4
0.6
SW
3
0.4
ENE
12
0.3
ENE
12
1
NNW
4
1.1
N
5
0.8
NNW
4
0.8
NNW
4
0.6
E
10
0.4
E
12
0.3
E
11
0.3
E
10
0.4
E
10
snow showers
part cloud
part cloud
cloud
clear
clear
clear
part cloud
cloud
cloud
clear
clear
clear
cloud
mod rain
rain showers
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
light snow
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
snow shwrs
some clouds
some clouds
cloudy
clear
clear
clear
some clouds
cloudy
cloudy
clear
clear
clear
cloudy
mod rain
rain shwrs
clear
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
light snow
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
 km/h
30
NNW
25
NNE
10
WSW
25
WSW
25
NW
30
NNW
15
NNW
10
NNE
15
N
25
N
15
N
10
NW
10
W
10
SW
20
SSW
25
WSW
30
W
35
WSW
35
W
30
W
25
W
20
W
20
SW
25
WSW
15
NW
10
NW
30
NW
25
NW
20
NW
20
NW
15
NW
10
NNW
10
SW
15
SSW
15
SSW
 mm 
10
1
max°C
1
1
0
3
3
-6
-7
-5
-3
-4
-5
-5
0
1
6
6
0
-3
-3
-3
-6
-2
-1
-1
-5
-5
-7
-14
-13
-15
-12
-10
-8
-3
-1
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): 12 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest