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 — and sunset is at 05:01 PM.

Days 1–4 Weather Summary

A dusting of new snow. Air temperatures will be below freezing (max -2°C on Wed afternoon, min -11°C on Thu night). Wind will be generally light.

Days 5–7 Weather Summary

A light covering of new snow, mostly falling on Sat afternoon. Air temperatures will be below freezing (max -2°C on Tue morning, min -19°C on Sat night). Winds decreasing (fresh winds from the NW on Sat afternoon, calm by Mon night).

Days 8–10 Weather Summary

Mostly dry. Temperatures will be below freezing (max -1°C on Tue afternoon, min -15°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

A light covering of new snow, mostly falling on Fri night. Freeze-thaw conditions (max 2°C on Sat afternoon, min -10°C on Sun night). Wind will be generally light.

Wed
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
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
night
Wave Height Map
High Tide
1:20AM3.11m
1:36PM3.16m
2:03AM3.06m
2:22PM2.97m
2:46AM2.99m
3:10PM2.78m
3:32AM2.89m
4:01PM2.59m
4:20AM2.80m
4:55PM2.44m
5:13AM2.72m
5:54PM2.33m
6:10AM2.69m
6:55PM2.30m
7:07AM2.70m
7:54PM2.33m
8:03AM2.77m
8:47PM2.40m
8:54AM2.87m
9:34PM2.52m
9:39AM2.98m
10:16PM2.65m
10:22AM3.08m
10:54PM2.79m
11:02AM3.17m
11:32PM2.93m
11:42AM3.22m
Low Tide
7:04PM-0.24m
7:23AM-0.05m
7:47PM-0.10m
8:10AM0.04m
8:30PM0.07m
8:58AM0.16m
9:15PM0.25m
9:49AM0.28m
10:02PM0.43m
10:43AM0.40m
10:53PM0.57m
11:41AM0.47m
11:48PM0.66m
12:41PM0.50m
00:45AM0.69m
1:40PM0.46m
1:42AM0.65m
2:33PM0.37m
2:34AM0.56m
3:20PM0.25m
3:22AM0.44m
4:02PM0.12m
4:06AM0.30m
4:41PM-0.00m
4:49AM0.16m
5:19PM-0.11m
5:31AM0.03m
5:57PM-0.18m
Wave
height (m) 
direction
period (s) 
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
light snow
light snow
part cloud
clear
clear
part cloud
part cloud
cloud
light snow
light snow
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
cloud
light snow
light snow
snow showers
cloud
part cloud
part cloud
clear
clear
cloud
cloud
clear
clear
clear
part cloud
cloud
light snow
cloud
light snow
cloud
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
light snow
light snow
some clouds
clear
clear
some clouds
some clouds
cloudy
light snow
light snow
some clouds
some clouds
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
light snow
light snow
snow shwrs
cloudy
some clouds
some clouds
clear
clear
cloudy
cloudy
clear
clear
clear
some clouds
cloudy
light snow
cloudy
light snow
cloudy
clear
 km/h
15
WNW
10
W
15
WNW
10
NNW
5
NW
10
NNE
5
NE
5
SW
0
NNW
20
NW
25
NW
20
NW
20
NW
5
W
10
WSW
10
W
10
WSW
5
NE
10
NNE
10
NW
20
NW
20
NW
15
NW
5
NNW
5
E
5
WNW
5
SSW
5
SE
10
NE
15
NNW
10
WNW
15
W
20
WNW
20
WNW
20
W
20
WNW
20
WNW
15
WNW
15
WNW
10
WNW
5
WNW
5
S
5
ESE
5
ESE
5
SE
10
SSW
20
WNW
 mm 
max°C
-2
-5
-3
-3
-9
-3
-3
-6
-2
-4
-14
-12
-10
-14
-5
-4
-4
-2
-1
-4
-6
-5
-11
-7
-6
-5
-2
-1
0
1
2
-3
-2
-3
-8
-3
-2
-5
-1
1
-1
-2
-2
0
1
2
2
Moonrise
8:24
9:30
10:36
11:40
12:45
1:49
2:51
3:48
4:38
5:19
5:54
6:22
6:47
7:09
7:30
Moonset
8:35
8:54
9:15
9:38
10:05
10:38
11:19
12:08
1:06
2:11
3:20
4:30
5:41
6:51
8:03
Sunrise
6:52
6:52
6:50
6:48
6:48
6:47
6:45
6:43
6:43
6:41
6:39
6:39
6:37
6:35
6:33
Sunset
5:01
5:02
5:04
5:06
5:07
5:07
5:09
5:10
5:12
5:13
5:15
5:15
5:16
5:19
5:20
5:21
Today's sea temperature in Boston is
3.2° C
(Statistics for 04 Feb 1981-2005 – mean: 3.9 max: 5.5 min: 2.3°C)
Issued (local time): 6 pm Wednesday 04 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest