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 06:31 AM and sunset is at 07:07 PM.

Days 1–3 Weather Summary

Light rain (total 7mm), mostly falling on Fri morning. Cool air temperatures (max 12°C on Sat afternoon, min 2°C on Sat morning). Winds decreasing (fresh winds from the NW on Fri afternoon, calm by Sun night).

Days 4–6 Weather Summary

A light covering of new snow, mostly falling on Tue night will be washed away by heavy rain (total 39mm) on Wed afternoon. Cool air temperatures (max 10°C on Mon afternoon, min 1°C on Tue afternoon). Winds increasing (calm on Mon morning, fresh winds from the ENE by Wed afternoon).

Days 7–9 Weather Summary

Light rain (total 9mm) at first, then becoming colder with a dusting of snow on Thu night. Very mild (max 11°C on Sat afternoon, min 2°C on Thu morning). Winds decreasing (fresh winds from the N on Thu afternoon, calm by Sat night).

Days 10–12 Weather Summary

Light rain (total 7mm), mostly falling on Tue morning. Warm (max 21°C on Mon afternoon, min 3°C on Tue afternoon). Wind will be generally light.

Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
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
2:55PM2.72m
3:02AM2.97m
3:38PM2.62m
3:45AM2.94m
4:27PM2.54m
4:35AM2.90m
5:23PM2.48m
5:33AM2.89m
6:24PM2.49m
6:37AM2.92m
7:27PM2.58m
7:42AM3.01m
8:29PM2.75m
8:45AM3.14m
9:26PM2.98m
9:45AM3.28m
10:18PM3.23m
10:41AM3.40m
11:08PM3.44m
11:34AM3.45m
11:56PM3.60m
12:26PM3.44m
00:43AM3.67m
Low Tide
8:45AM0.11m
8:55PM0.37m
9:27AM0.17m
9:37PM0.46m
10:15AM0.23m
10:26PM0.54m
11:09AM0.27m
11:21PM0.58m
12:09PM0.28m
00:24AM0.56m
1:12PM0.22m
1:29AM0.46m
2:13PM0.10m
2:32AM0.27m
3:11PM-0.05m
3:32AM0.04m
4:04PM-0.20m
4:28AM-0.21m
4:55PM-0.32m
5:21AM-0.41m
5:43PM-0.37m
6:12AM-0.54m
6:31PM-0.35m
Wave
height (m) 
direction
period (s) 
mod rain
light rain
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
light snow
light snow
light rain
heavy rain
heavy rain
light rain
light rain
light snow
light rain
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
light rain
light rain
light rain
mod rain
light rain
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
cloudy
light snow
light snow
light rain
heavy rain
heavy rain
light rain
light rain
light snow
light rain
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
light rain
light rain
light rain
 km/h
20
NW
30
NW
25
WNW
25
WNW
20
WNW
10
WNW
15
NW
15
NNW
5
NW
5
NNE
10
ESE
5
SSW
10
SE
20
ESE
20
E
25
ENE
35
ENE
20
W
10
NW
25
NNW
25
NNW
30
N
25
N
10
N
15
NNE
5
NNE
10
W
10
WNW
15
WNW
10
W
15
NW
15
NNW
5
E
20
ESE
15
ENE
10
ENE
 mm 
6
1.0
3
3
18
15
1.0
3
3
1.0
1.0
5
1.0
1.0
max°C
4
7
6
6
12
9
8
11
10
8
10
8
6
5
3
4
4
5
3
2
3
5
7
6
6
11
9
14
20
17
18
21
14
8
4
3
Moonrise
11:58
1:05
2:08
3:03
3:49
4:25
4:56
5:22
5:45
6:09
6:33
Moonset
8:16
8:50
9:33
10:28
11:35
12:50
2:09
3:29
4:49
6:09
7:29
8:50
Sunrise
6:31
6:28
6:26
6:24
6:24
6:22
6:20
6:18
6:16
6:15
6:13
6:11
Sunset
7:07
7:07
7:08
7:09
7:10
7:12
7:13
7:15
7:15
7:16
7:17
7:19
Today's sea temperature in Boston is 5.2 °C (Statistics for 29 Mar 1981-2005 – mean: 4.2 max: 5.7 min: 2.6°C)
Nearest