Deer Island (south end), Boston Harbor Sea Conditions and Tide Table

Deer Island (south end), Boston Harbor 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 07:39 PM.

Days 1–4 Weather Summary

Light rain (total 8mm), mostly falling on Wed morning. Warm air temperatures (max 22°C on Sun afternoon, min 5°C on Wed morning). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 18°C on Thu afternoon, min 6°C on Wed afternoon). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 14mm), heaviest on Sat night. Very mild (max 19°C on Mon afternoon, min 5°C on Sat night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 8mm), mostly falling on Fri afternoon. Very mild (max 17°C on Tue afternoon, min 6°C on Fri afternoon). Wind will be generally light.

Sun
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Fri
10
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
Wave Height Map
High Tide
3:20PM2.58m
3:24AM2.97m
4:10PM2.55m
4:17AM2.94m
5:06PM2.55m
5:16AM2.92m
6:04PM2.60m
6:19AM2.93m
7:04PM2.72m
7:23AM2.96m
8:03PM2.89m
8:26AM3.03m
8:58PM3.08m
9:26AM3.09m
9:51PM3.27m
10:22AM3.15m
10:42PM3.41m
11:16AM3.16m
11:31PM3.50m
12:08PM3.14m
00:19AM3.51m
12:59PM3.07m
1:08AM3.45m
Low Tide
9:15PM0.45m
9:55AM0.12m
10:07PM0.48m
10:49AM0.15m
11:04PM0.48m
11:47AM0.16m
00:06AM0.43m
12:47PM0.12m
1:09AM0.31m
1:46PM0.06m
2:12AM0.14m
2:42PM-0.02m
3:11AM-0.06m
3:36PM-0.09m
4:08AM-0.24m
4:28PM-0.14m
5:01AM-0.38m
5:17PM-0.15m
5:53AM-0.45m
6:07PM-0.11m
6:44AM-0.45m
6:55PM-0.02m
7:33AM-0.36m
Wave
height (m) 
direction
period (s) 
0.5
E
10
0.5
E
9
0.5
E
9
0.6
E
12
0.5
E
10
0.6
ENE
10
0.6
E
9
0.6
E
9
0.6
ENE
4
0.5
E
5
0.4
ENE
11
0.3
ENE
10
0.7
ESE
4
0.5
NE
6
0.6
E
4
0.7
ENE
4
0.7
ENE
6
0.4
ENE
5
0.5
ENE
6
0.5
E
6
0.4
ENE
8
0.4
ENE
8
0.6
E
9
0.6
E
10
0.7
E
10
0.6
E
10
0.6
E
11
0.6
E
11
0.5
E
10
0.4
ENE
10
0.5
E
10
0.5
E
10
0.6
E
6
0.6
E
10
0.5
ENE
9
0.4
ENE
11
part cloud
rain showers
part cloud
clear
part cloud
cloud
cloud
light rain
light rain
part cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
mod rain
light rain
cloud
part cloud
clear
rain showers
rain showers
clear
cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
light rain
some clouds
rain shwrs
some clouds
clear
some clouds
cloudy
cloudy
light rain
light rain
some clouds
some clouds
clear
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
mod rain
light rain
cloudy
some clouds
clear
rain shwrs
rain shwrs
clear
cloudy
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
light rain
 km/h
10
SSW
15
WSW
15
ENE
10
ENE
5
SSW
15
E
15
E
10
ENE
15
ENE
10
ENE
0
SW
5
S
15
SSE
15
N
15
NE
15
ENE
5
ENE
10
E
10
ESE
5
E
0
SE
5
SSW
10
SSW
10
SW
10
WSW
10
NW
20
NW
20
NNW
10
NW
5
E
20
ESE
10
SSE
15
SE
10
SE
10
S
10
E
 mm 
2.0
2.0
4
10
1.0
1.0
2.0
1.0
max°C
22
17
15
14
13
10
9
7
5
7
8
14
18
15
8
9
7
9
8
7
6
9
9
16
19
16
15
17
15
15
15
12
8
11
11
10
Moonrise
12:02
12:59
1:47
2:25
2:56
3:23
3:46
4:09
4:32
4:58
5:29
6:06
6:53
Moonset
8:23
9:25
10:36
11:52
1:10
2:27
3:44
5:02
6:21
7:41
9:01
10:17
11:24
Sunrise
5:41
5:39
5:37
5:37
5:35
5:33
5:33
5:31
5:30
5:28
5:28
5:26
Sunset
7:39
7:40
7:42
7:44
7:45
7:45
7:46
7:47
7:49
7:50
7:51
7:52
Today's sea temperature in Deer Island (south end), Boston Harbor is 8.1 °C (Statistics for 28 Apr 1981-2005 – mean: 7.2 max: 8.8 min: 5.3°C)
Nearest