Rainsford Island, Nantasket Roads Sea Conditions and Tide Table

Rainsford Island, Nantasket Roads 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 07:05 AM and sunset is at 04:12 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Thu night. Icy conditions (max 14°C on Thu night, min -3°C on Tue morning). Winds increasing (light winds from the SW on Wed night, fresh winds from the S by Thu night).

Days 4–6 Weather Summary

Moderate rain (total 12mm), heaviest on Fri morning. Icy conditions (max 14°C on Fri morning, min -4°C on Sun night). Winds decreasing (strong winds from the S on Fri morning, light winds from the SW by Sat afternoon).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Wed morning, min -8°C on Mon night). Winds decreasing (fresh winds from the NW on Mon afternoon, calm by Wed night).

Days 10–12 Weather Summary

Moderate rain (total 18mm), heaviest on Sat night. Freeze-thaw conditions (max 9°C on Sun morning, min -1°C on Thu morning). Wind will be generally light.

Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
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
8:28AM2.77m
9:05PM2.44m
9:11AM2.81m
9:50PM2.46m
9:52AM2.85m
10:32PM2.47m
10:32AM2.88m
11:12PM2.48m
11:11AM2.90m
11:51PM2.49m
11:50AM2.90m
00:30AM2.50m
12:29PM2.90m
1:10AM2.51m
1:10PM2.88m
1:50AM2.54m
1:53PM2.85m
2:33AM2.58m
2:39PM2.80m
3:18AM2.65m
3:29PM2.75m
4:05AM2.73m
4:23PM2.70m
4:56AM2.83m
Low Tide
2:55PM0.25m
2:56AM0.48m
3:39PM0.19m
3:38AM0.47m
4:20PM0.14m
4:19AM0.45m
5:00PM0.11m
5:00AM0.43m
5:38PM0.08m
5:40AM0.42m
6:17PM0.07m
6:21AM0.41m
6:57PM0.06m
7:03AM0.41m
7:37PM0.06m
7:47AM0.40m
8:19PM0.07m
8:33AM0.38m
9:04PM0.08m
9:24AM0.35m
9:51PM0.11m
10:18AM0.29m
10:42PM0.13m
Wave
height (m) 
direction
period (s) 
0.2
E
10
0.4
SW
2
0.7
SSW
3
1
SSW
4
0.8
SW
4
0.9
NW
4
0.2
E
10
0.5
S
3
0.8
SE
5
1.8
SSE
6
2
SE
8
1.4
WNW
4
1.1
WNW
4
0.6
ESE
11
0.6
SE
5
0.6
E
12
0.5
E
11
1.1
NW
4
1.2
NW
4
1.6
NNW
5
1.2
NNW
5
0.6
NNE
7
0.6
SSW
4
0.9
SW
4
0.5
W
3
0.7
NNW
4
0.4
NE
5
0.3
NE
4
0.2
E
7
0.2
E
10
0.6
ESE
3
0.7
ESE
4
0.5
ESE
5
0.6
NW
3
0.3
NNE
4
0.4
SE
2
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
light rain
mod rain
rain showers
part cloud
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
clear
cloud
part cloud
cloud
cloud
light rain
light rain
clear
part cloud
cloud
mod rain
clear
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
light rain
mod rain
rain shwrs
some clouds
clear
some clouds
cloudy
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
cloudy
clear
cloudy
some clouds
cloudy
cloudy
light rain
light rain
clear
some clouds
cloudy
mod rain
 km/h
10
SW
10
SSW
20
SW
30
SW
25
WSW
20
WNW
10
S
20
S
15
S
40
S
30
W
35
W
25
WNW
15
WNW
20
SSW
15
WSW
15
WSW
25
WNW
30
WNW
30
NW
25
NW
5
WSW
20
SSW
25
WSW
15
W
15
NNW
5
N
10
SSW
0
SW
10
NNE
15
SSE
15
SSE
15
WSW
15
NW
10
NNW
15
SSE
 mm 
1
6
6
3
1
9
max°C
-1
-1
0
6
6
4
4
4
14
14
10
4
1
1
5
7
6
1
-3
-4
-6
-3
-1
0
3
1
-3
-1
0
3
3
5
6
5
5
5
Moonrise
4:04
5:08
6:10
7:09
8:01
8:45
9:21
9:50
10:15
10:38
10:58
11:19
Moonset
1:36
2:07
2:45
3:32
4:28
5:30
6:37
7:45
8:53
10:01
11:11
Sunrise
7:05
7:07
7:07
7:07
7:07
7:09
7:09
7:09
7:09
7:11
7:11
7:11
Sunset
4:12
4:12
4:13
4:13
4:13
4:14
4:14
4:15
4:15
4:15
4:16
4:17
Today's sea temperature in Rainsford Island, Nantasket Roads is
6.8° C
(Statistics for 16 Dec 1981-2005 – mean: 7.7 max: 9.9 min: 6.3°C)
Issued (local time): 12 pm Tuesday 16 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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