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 07:09 AM and sunset is at 04:15 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 4°C on Tue night, min -11°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the NNW by Thu night).

Days 4–6 Weather Summary

A dusting of snow turning to light rain (total 6mm) on Sun night. Icy conditions (max 6°C on Sun night, min -10°C on Fri morning). Winds increasing (calm on Sat night, fresh winds from the WNW by Sun night).

Days 7–9 Weather Summary

Mostly dry. Temperatures will be below freezing (max -1°C on Mon morning, min -7°C on Mon night). Winds decreasing (fresh winds from the WSW on Mon night, light winds from the W by Wed night).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 7°C on Sun morning, min -4°C on Thu morning). Wind will be generally light.

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
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
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
5:21PM2.66m
5:50AM2.95m
6:22PM2.65m
6:45AM3.07m
7:23PM2.66m
7:41AM3.20m
8:22PM2.68m
8:36AM3.28m
9:22PM2.74m
9:34AM3.36m
10:19PM2.81m
10:29AM3.41m
11:14PM2.86m
Low Tide
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
11:16AM0.21m
11:35PM0.15m
12:16PM0.09m
00:31AM0.15m
1:16PM-0.05m
1:28AM0.12m
2:16PM-0.19m
2:24AM0.10m
3:12PM-0.29m
3:21AM0.04m
4:08PM-0.38m
4:16AM-0.02m
5:02PM-0.44m
5:10AM-0.06m
Wave
height (m) 
direction
period (s) 
0.2
E
10
0.2
E
10
0.5
SE
4
1.3
NNW
4
1.8
NNE
6
1.5
E
9
1.2
E
9
1
E
9
1.7
N
5
1.3
NE
8
1
NE
8
0.9
NE
6
1.1
ENE
12
0.9
ENE
12
0.7
ENE
12
0.6
ENE
12
0.5
ENE
12
0.8
SE
6
1.1
NW
4
1
W
4
0.9
WSW
4
0.9
W
4
1
W
4
0.8
WNW
4
0.6
NW
4
0.5
NW
3
0.3
NW
3
0.4
SW
4
0.5
SW
3
0.5
WSW
3
0.5
W
3
0.2
E
10
0.3
NE
4
0.3
ENE
7
0.4
SE
3
0.5
S
3
cloud
light snow
light snow
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
part cloud
cloud
part cloud
clear
clear
cloud
light snow
rain showers
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
cloudy
light snow
light snow
some clouds
some clouds
some clouds
cloudy
some clouds
clear
clear
some clouds
cloudy
some clouds
clear
clear
cloudy
light snow
rain shwrs
some clouds
some clouds
some clouds
clear
some clouds
clear
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
some clouds
 km/h
5
SSW
10
SSE
10
WSW
30
NW
25
NNE
10
WSW
25
SW
25
NW
30
NNW
15
NNW
10
N
15
N
15
N
5
NNW
5
WNW
10
WSW
10
SSW
20
SW
30
WNW
30
W
25
W
25
W
30
W
20
W
20
WNW
15
NW
10
WNW
15
WSW
20
WSW
20
WSW
15
W
5
W
5
NNW
10
SSW
15
SSW
20
SSW
 mm 
6
max°C
2
1
4
3
1
0
3
3
-6
-7
-6
-6
-4
-4
-4
0
1
6
-1
-3
-5
-3
-2
-4
-2
-2
-4
0
0
1
3
3
2
5
5
5
Moonrise
9:50
10:15
10:38
10:58
11:19
11:41
12:07
12:38
1:19
2:12
3:19
4:36
Moonset
7:45
8:53
10:01
11:11
12:21
1:36
2:55
4:16
5:35
6:47
7:45
Sunrise
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
Sunset
4:15
4:15
4:15
4:16
4:17
4:17
4:19
4:20
4:21
4:22
4:22
4:22
Today's sea temperature in Rainsford Island, Nantasket Roads is
6.0° C
(Statistics for 23 Dec 1981-2005 – mean: 6.9 max: 8.7 min: 5.7°C)
Issued (local time): 12 pm Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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