Boston Sea Conditions and Tide Table

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 05:13 AM and sunset is at 08:08 PM.

Days 1–3 Weather Summary

Light rain (total 7mm), mostly falling on Thu afternoon. Warm air temperatures (max 28°C on Tue afternoon, min 9°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 17mm), heaviest on Sat night. Cool air temperatures (max 17°C on Sat afternoon, min 8°C on Sat night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 23°C on Mon afternoon, min 11°C on Mon night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 6mm), mostly falling on Sat night. Warm (max 21°C on Sat afternoon, min 11°C on Thu night). Wind will be generally light.

Days 13–16 Weather Summary

Light rain (total 3mm), mostly falling on Sun afternoon. Warm (max 23°C on Wed afternoon, min 13°C on Sun night). Wind will be generally light.

Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wed
10
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
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High Tide
8:26AM2.79m
8:53PM3.01m
9:23AM2.75m
9:40PM3.04m
10:14AM2.73m
10:23PM3.08m
10:59AM2.72m
11:04PM3.09m
11:42AM2.71m
11:42PM3.10m
12:22PM2.70m
00:21AM3.10m
1:01PM2.69m
1:00AM3.09m
1:40PM2.67m
1:40AM3.06m
2:21PM2.65m
2:21AM3.02m
3:02PM2.64m
3:03AM2.97m
3:45PM2.64m
3:48AM2.92m
4:29PM2.67m
4:36AM2.87m
5:15PM2.73m
5:26AM2.83m
6:02PM2.83m
6:20AM2.80m
6:52PM2.95m
Low Tide
2:30PM0.32m
3:10AM0.25m
3:20PM0.37m
4:01AM0.19m
4:06PM0.40m
4:46AM0.14m
4:48PM0.42m
5:28AM0.10m
5:29PM0.44m
6:08AM0.09m
6:09PM0.45m
6:47AM0.10m
6:49PM0.47m
7:25AM0.12m
7:29PM0.49m
8:06AM0.14m
8:10PM0.51m
8:46AM0.18m
8:53PM0.54m
9:28AM0.21m
9:39PM0.55m
10:12AM0.24m
10:27PM0.55m
10:57AM0.26m
11:18PM0.51m
11:45AM0.27m
00:13AM0.43m
12:35PM0.27m
Wave
Height (m)
Direction
Period (s)
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
cloud
part cloud
rain showers
rain showers
part cloud
mod rain
part cloud
part cloud
rain showers
cloud
cloud
clear
clear
clear
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
light rain
light rain
thunderstorm
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
rain shwrs
cloudy
some clouds
rain shwrs
rain shwrs
some clouds
mod rain
some clouds
some clouds
rain shwrs
cloudy
cloudy
clear
clear
clear
some clouds
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
light rain
light rain
risk tstorm
clear
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
clear
clear
km/h
5
WSW
15
SW
15
SW
15
W
10
NW
10
NNE
10
ENE
10
E
10
NE
10
E
10
ESE
20
S
15
WNW
15
NW
25
N
20
NNE
0
ESE
15
WNW
20
W
25
WNW
10
W
15
NW
15
NW
5
NW
5
NNW
20
ESE
5
SE
15
E
15
ESE
10
ENE
10
ENE
10
ENE
0
NE
5
ENE
15
SSE
10
WSW
10
WNW
15
ENE
5
N
10
NE
10
ENE
5
NNW
5
WNW
10
NE
10
WNW
20
NNW
15
ENE
4
3
3
3
10
1
4
3
2
max °C
23
28
22
26
28
22
17
16
12
10
14
12
15
17
10
15
17
15
20
23
17
19
22
18
21
23
18
14
13
12
12
14
13
18
21
19
20
21
15
18
18
15
19
21
16
20
23
Moonrise
3:51
4:55
6:00
7:05
8:08
9:06
9:59
10:43
11:20
11:50
12:16
12:38
12:59
1:20
1:41
Moonset
2:32
2:52
3:15
3:40
4:11
4:48
5:33
6:26
7:25
8:29
9:34
10:40
11:46
12:53
2:03
3:15
Sunrise
5:13
5:13
5:11
5:11
5:11
5:09
5:09
5:09
5:09
5:07
5:07
5:07
5:07
5:07
5:07
5:07
Sunset
8:08
8:08
8:09
8:10
8:12
8:13
8:14
8:14
8:15
8:15
8:16
8:16
8:17
8:17
8:19
8:20
Today's sea temperature in Boston is
13.2° C
(Statistics for 26 May 1981-2005 – mean: 11.3 max: 13.8 min: 8.7°C)
Issued (local time): 1 am Tuesday 26 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest