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 05:48 AM and sunset is at 07:36 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Wed afternoon. Icy conditions (max 15°C on Wed afternoon, min -1°C on Wed night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Sat night. Cool air temperatures (max 19°C on Mon afternoon, min 7°C on Sat morning). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 5mm), mostly falling on Tue night. Warm (max 24°C on Tue afternoon, min 10°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 16°C on Sun afternoon, min 7°C on Fri night). Wind will be generally light.

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
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
12:36PM2.76m
00:41AM3.00m
1:14PM2.73m
1:17AM3.02m
1:53PM2.68m
1:55AM3.01m
2:35PM2.63m
2:37AM3.00m
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
Low Tide
6:21AM0.07m
6:31PM0.30m
6:59AM0.04m
7:08PM0.33m
7:39AM0.03m
7:47PM0.36m
8:21AM0.05m
8:29PM0.41m
9:06AM0.08m
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
Wave
height (m) 
direction
period (s) 
0.8
E
10
0.9
E
10
1.3
ENE
7
0.7
E
9
0.6
E
8
0.4
E
8
0.3
E
8
0.4
E
8
0.4
E
8
0.2
E
8
0.4
E
5
0.4
E
11
0.4
E
10
0.3
E
10
0.3
E
9
0.4
E
9
0.6
E
11
0.7
ENE
11
0.7
ENE
10
0.8
ENE
10
0.7
E
10
0.6
E
9
0.6
E
10
0.5
E
10
0.5
E
9
0.9
NNE
4
0.6
E
9
0.8
NE
5
0.8
NE
6
0.9
NE
5
1.2
NE
7
1
ENE
8
0.7
NE
7
0.7
NE
6
0.8
ENE
6
0.5
ENE
8
cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
light rain
light rain
part cloud
part cloud
clear
part cloud
clear
clear
clear
rain showers
clear
clear
clear
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
light rain
light rain
some clouds
some clouds
clear
some clouds
clear
clear
clear
rain shwrs
clear
clear
clear
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
15
SW
15
WNW
25
NNW
10
NNW
15
ESE
10
W
5
NE
15
ESE
15
SW
5
NW
15
ESE
15
WSW
10
SSW
5
ESE
5
SSE
10
ESE
10
ESE
10
SSW
15
SSW
25
SSW
20
WNW
15
NW
20
NNW
5
WSW
15
WNW
25
NE
15
N
15
NE
10
E
15
NNE
15
NE
10
E
10
NW
10
NE
10
ESE
10
WSW
 mm 
1.0
1.0
1.0
3
2.0
max°C
9
15
7
5
9
7
9
10
9
13
15
12
9
17
14
15
19
17
21
24
19
15
19
15
19
20
12
12
14
14
10
13
14
13
16
15
Moonrise
8:40
9:49
10:57
12:02
12:59
1:47
2:25
2:56
3:23
3:46
4:09
Moonset
5:53
6:19
6:51
7:31
8:23
9:25
10:36
11:52
1:10
2:27
3:44
5:02
Sunrise
5:48
5:46
5:45
5:43
5:41
5:41
5:39
5:37
5:37
5:35
5:33
5:33
Sunset
7:36
7:37
7:37
7:38
7:39
7:40
7:42
7:44
7:45
7:45
7:46
7:47
Today's sea temperature in Deer Island (south end), Boston Harbor is 8.1 °C (Statistics for 24 Apr 1981-2005 – mean: 6.7 max: 7.9 min: 5.3°C)
Nearest