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 06:28 AM and sunset is at 06:45 PM.

Days 1–3 Weather Summary

Light rain (total 8mm), mostly falling on Sun afternoon. Cool air temperatures (max 16°C on Sun night, min 12°C on Mon morning). Winds increasing (calm on Sun night, fresh winds from the NE by Tue night).

Days 4–6 Weather Summary

Heavy rain (total 46mm), heaviest during Fri night. Cool air temperatures (max 14°C on Wed morning, min 11°C on Fri night). Winds increasing (moderate winds from the ENE on Wed night, strong winds from the NE by Fri night).

Days 7–9 Weather Summary

Heavy rain (total 33mm), heaviest during Sun night. Very mild (max 14°C on Sat night, min 12°C on Sat morning). Winds decreasing (strong winds from the NE on Sat morning, moderate winds from the NNE by Mon night).

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Tue night. Warm (max 22°C on Wed afternoon, min 8°C on Thu night). Wind will be generally light.

Days 13–16 Weather Summary

Mostly dry. Very mild (max 19°C on Mon afternoon, min 7°C on Sun morning). Winds decreasing (fresh winds from the NW on Sat morning, calm by Sun morning).

Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
7:00AM2.26m
7:09PM2.57m
7:57AM2.29m
8:06PM2.61m
8:51AM2.37m
9:00PM2.69m
9:38AM2.50m
9:48PM2.79m
10:18AM2.65m
10:30PM2.88m
10:56AM2.81m
11:11PM2.96m
11:32AM2.96m
11:52PM3.00m
12:11PM3.09m
00:35AM3.01m
12:50PM3.19m
1:19AM2.98m
1:33PM3.25m
2:06AM2.91m
2:18PM3.25m
2:55AM2.81m
3:07PM3.19m
3:50AM2.69m
4:04PM3.10m
4:52AM2.59m
5:07PM3.00m
5:58AM2.55m
6:15PM2.94m
Low Tide
12:52PM0.72m
1:42AM0.50m
1:49PM0.68m
2:36AM0.45m
2:44PM0.59m
3:24AM0.35m
3:33PM0.45m
4:05AM0.24m
4:17PM0.30m
4:43AM0.14m
4:59PM0.14m
5:20AM0.05m
5:40PM0.00m
5:58AM0.00m
6:23PM-0.12m
6:38AM-0.02m
7:07PM-0.20m
7:20AM-0.00m
7:53PM-0.22m
8:05AM0.05m
8:42PM-0.18m
8:53AM0.14m
9:36PM-0.10m
9:47AM0.25m
10:35PM0.01m
10:48AM0.34m
11:41PM0.10m
11:55AM0.40m
Wave
Height (m)
Direction
Period (s)
0.5
SE
3
0.8
SE
4
0.6
ESE
4
1.1
NE
5
1
NE
6
1.1
ENE
5
1.4
ENE
6
1.2
ENE
6
1.7
ENE
6
2
E
7
1.9
E
8
1.8
E
9
2
E
10
1.9
E
10
1.9
E
11
2.5
E
11
3
E
8
3.5
E
10
3
ENE
9
3
E
9
2.2
E
9
3
ENE
8
3.5
E
9
3
E
10
3
E
10
2.5
E
10
2.2
E
10
1.6
E
10
1.3
E
10
1
E
10
0.8
E
9
0.7
E
9
0.6
E
9
0.5
E
8
0.5
E
8
0.7
NNE
5
0.7
NW
4
0.8
NW
4
0.8
NW
4
0.8
NW
4
0.9
NNW
4
0.6
NNW
3
0.3
ENE
6
0.3
ENE
7
0.4
SE
4
0.4
SSE
3
0.6
SE
4
cloud
light rain
light rain
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
heavy rain
light rain
light rain
light rain
cloud
light rain
heavy rain
light rain
light rain
light rain
cloud
cloud
light rain
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
part cloud
clear
cloudy
light rain
light rain
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
heavy rain
light rain
light rain
light rain
cloudy
light rain
heavy rain
light rain
light rain
light rain
cloudy
cloudy
light rain
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
clear
clear
some clouds
clear
clear
clear
clear
some clouds
clear
km/h
10
SSE
20
SSE
20
NNW
25
NNE
15
ENE
20
ENE
25
NE
25
NE
30
NE
35
NE
30
ENE
20
NE
30
NE
25
NE
25
NE
35
NE
40
NE
45
NE
40
NE
35
NE
30
NE
40
NE
35
ENE
35
ENE
35
NE
35
NE
25
NNE
15
N
10
N
10
WNW
10
WSW
5
SSW
15
SW
15
W
15
WNW
20
NW
20
WNW
25
WNW
25
WNW
30
NW
25
NW
15
WNW
5
NE
15
SE
15
SSW
15
S
20
S
 mm
3
5
2
44
4
2
2
2
13
4
4
2
2
max °C
15
15
16
15
15
16
12
12
14
14
13
13
13
13
14
13
13
13
12
12
14
14
12
13
13
12
13
13
14
14
18
22
20
15
19
13
12
15
11
11
13
11
10
13
12
16
19
Moonrise
3:53
4:26
4:53
5:17
5:39
5:59
6:20
6:43
7:10
7:43
8:24
9:16
10:20
11:33
12:49
Moonset
12:49
1:55
3:02
4:09
5:17
6:26
7:37
8:52
10:08
11:26
12:40
1:46
2:40
3:22
3:56
Sunrise
6:28
6:28
6:30
6:31
6:31
6:33
6:33
6:35
6:35
6:37
6:37
6:39
6:41
6:41
6:43
6:43
Sunset
6:45
6:43
6:40
6:38
6:37
6:36
6:34
6:31
6:30
6:29
6:27
6:24
6:23
6:22
6:20
6:19
Today's sea temperature in South Boston is
18.7°C
(Statistics for 20 Sep 1981-2005 – mean: 17.6 max: 18.9 min: 14.6°C)
Issued (local time): 7 am Sunday 20 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest