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 08:23 PM.

Days 1–4 Weather Summary

Mostly dry. Very warm air temperatures (max 38°C on Tue afternoon, min 15°C on Thu afternoon). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 9mm), mostly falling on Thu night. Warm air temperatures (max 25°C on Sun afternoon, min 14°C on Thu night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 28mm), heaviest during Tue night. Warm (max 36°C on Mon afternoon, min 20°C on Tue afternoon). Wind will be generally light.

Days 11–13 Weather Summary

Heavy rain (total 32mm), heaviest during Fri night. Warm (max 29°C on Fri afternoon, min 15°C on Fri night). Wind will be generally light.

Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Sat
5
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
High Tide
10:07PM3.54m
10:52AM2.96m
11:02PM3.58m
11:48AM2.98m
11:56PM3.58m
12:42PM2.99m
00:50AM3.54m
1:35PM2.98m
1:42AM3.45m
2:25PM2.96m
2:34AM3.32m
3:16PM2.93m
3:25AM3.16m
4:05PM2.89m
4:17AM2.98m
4:54PM2.85m
5:10AM2.81m
5:43PM2.82m
6:04AM2.67m
6:33PM2.81m
7:00AM2.56m
7:23PM2.81m
7:56AM2.49m
Low Tide
4:39AM-0.31m
4:47PM0.07m
5:34AM-0.36m
5:41PM0.06m
6:27AM-0.37m
6:34PM0.07m
7:18AM-0.32m
7:26PM0.11m
8:08AM-0.23m
8:18PM0.17m
8:57AM-0.12m
9:11PM0.26m
9:45AM0.02m
10:03PM0.34m
10:33AM0.17m
10:57PM0.42m
11:22AM0.32m
11:52PM0.48m
12:11PM0.45m
00:49AM0.50m
1:01PM0.55m
1:45AM0.49m
1:52PM0.61m
Wave
height (m) 
direction
period (s) 
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
cloud
light rain
light rain
light rain
part cloud
part cloud
rain showers
clear
clear
clear
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
light rain
light rain
light rain
cloudy
light rain
light rain
light rain
some clouds
some clouds
rain shwrs
clear
clear
clear
rain shwrs
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
risk tstorm
risk tstorm
clear
clear
 km/h
10
WSW
15
WNW
20
WNW
10
WNW
10
NNW
10
ESE
20
NE
15
ENE
10
E
5
NE
10
E
10
ESE
10
E
10
ENE
10
E
5
N
5
SSW
5
S
15
SW
15
W
15
WNW
5
NNE
15
ESE
5
SSW
10
SSW
20
W
15
W
15
WSW
15
NW
10
NNW
10
S
15
S
25
SSW
10
NE
15
ENE
10
E
 mm 
2
2
1
1
2
1
3
1
8
16
3
29
max°C
29
35
38
34
32
30
26
18
16
15
14
14
15
16
16
16
18
25
24
32
36
33
24
27
23
30
32
27
25
28
23
26
29
24
19
20
Moonrise
2:53
3:43
4:46
5:58
7:14
8:29
9:40
10:47
11:51
12:54
1:56
2:59
4:03
Moonset
7:06
8:17
9:17
10:02
10:37
11:04
11:26
11:45
12:04
12:22
12:41
1:03
Sunrise
5:07
5:07
5:07
5:09
5:09
5:09
5:09
5:09
5:11
5:11
5:11
5:13
Sunset
8:23
8:23
8:24
8:24
8:24
8:24
8:24
8:23
8:23
8:23
8:23
8:23
8:23
Today's sea temperature in Boston is 15.2 °C (Statistics for 23 Jun 1981-2005 – mean: 16.3 max: 19.5 min: 14.8°C)
Issued (local time): 7 pm Monday 23 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest