Nantasket Beach, Weir River Sea Conditions and Tide Table

Nantasket Beach, Weir River 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 04:10 PM.

Days 1–4 Weather Summary

Mostly dry. Icy conditions (max 4°C on Sat afternoon, min -7°C on Mon morning). Winds increasing (calm on Sun afternoon, fresh winds from the NW by Sun night).

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Wed night. Icy conditions (max 8°C on Wed morning, min -1°C on Tue afternoon). Winds decreasing (fresh winds from the SW on Wed afternoon, light winds from the WNW by Thu afternoon).

Days 8–10 Weather Summary

A moderate fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 3°C on Fri afternoon, min -9°C on Sun night). Winds increasing (light winds from the NNE on Fri night, strong winds from the N by Sat night).

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Thu afternoon, min -9°C on Mon night). Wind will be generally light.

Sat
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
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
00:25AM3.01m
12:36PM3.53m
1:21AM2.95m
1:31PM3.39m
2:16AM2.89m
2:27PM3.22m
3:12AM2.83m
3:26PM3.03m
4:11AM2.77m
4:27PM2.85m
5:09AM2.75m
5:29PM2.70m
6:04AM2.75m
6:29PM2.59m
6:57AM2.76m
7:29PM2.53m
7:48AM2.80m
8:25PM2.51m
8:36AM2.85m
9:14PM2.51m
9:18AM2.90m
9:57PM2.52m
9:58AM2.94m
Low Tide
6:13PM-0.49m
6:22AM-0.05m
7:06PM-0.41m
7:17AM0.04m
7:59PM-0.28m
8:12AM0.15m
8:54PM-0.12m
9:10AM0.27m
9:50PM0.05m
10:12AM0.36m
10:48PM0.19m
11:14AM0.41m
11:43PM0.31m
12:15PM0.41m
00:36AM0.41m
1:15PM0.39m
1:28AM0.47m
2:11PM0.34m
2:18AM0.50m
3:02PM0.27m
3:03AM0.50m
3:46PM0.21m
3:45AM0.48m
Wave
height (m) 
direction
period (s) 
0.3
ESE
10
0.4
WNW
3
0.4
ESE
9
0.4
ESE
9
0.7
ESE
8
1.4
NNW
5
1
NE
7
0.7
NE
5
0.3
E
8
0.4
SSW
3
0.8
SSW
4
0.8
SSW
4
1.2
S
4
0.8
SW
4
0.7
WNW
4
0.3
ESE
6
0.2
ESE
10
0.2
ESE
8
0.3
E
5
0.4
ESE
5
1
ENE
5
1
ENE
5
2.4
ENE
7
2.4
ENE
8
1.8
ENE
9
1.1
ENE
9
0.5
E
9
0.3
ENE
9
1
N
4
0.9
NNW
4
0.6
NW
4
0.4
WSW
3
0.6
SW
3
0.6
SW
3
0.3
WSW
3
0.1
E
10
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
cloud
light rain
cloud
light rain
rain showers
clear
cloud
part cloud
clear
part cloud
light snow
light snow
cloud
mod snow
light snow
clear
clear
cloud
part cloud
clear
part cloud
clear
part cloud
clear
part cloud
cloud
cloud
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
clear
cloudy
light rain
cloudy
light rain
rain shwrs
clear
cloudy
some clouds
clear
some clouds
light snow
light snow
cloudy
mod snow
light snow
clear
clear
cloudy
some clouds
clear
some clouds
clear
some clouds
clear
some clouds
cloudy
cloudy
 km/h
10
WSW
20
WNW
15
WNW
5
S
20
WSW
35
NNW
20
NNW
15
NW
15
SW
20
SSW
25
SW
25
SSW
35
SW
25
WSW
25
WNW
10
W
10
W
10
NNW
10
N
10
NNE
20
ENE
20
ENE
40
NE
35
NW
30
WNW
20
W
10
WNW
15
NNW
30
NW
20
WNW
20
WNW
15
SW
20
SW
20
SW
15
WSW
5
SSE
 mm 
1
1
2
max°C
4
1
2
3
1
-5
-4
-6
-2
0
4
8
8
6
3
3
0
2
3
2
2
2
2
-3
-4
-7
-4
-4
-6
-6
-5
-4
1
1
1
1
Moonrise
5:48
7:06
8:23
9:37
10:46
11:51
12:54
1:57
3:00
4:03
5:07
6:10
Moonset
9:59
10:37
11:06
11:30
11:51
12:10
12:28
12:48
1:10
1:35
2:06
2:45
Sunrise
6:58
6:58
7:00
7:01
7:01
7:03
7:03
7:03
7:05
7:05
7:05
7:07
Sunset
4:10
4:10
4:09
4:09
4:10
4:10
4:10
4:10
4:10
4:10
4:12
4:12
Today's sea temperature in Nantasket Beach, Weir River is
8.1° C
(Statistics for 06 Dec 1981-2005 – mean: 8.8 max: 10.7 min: 7.0°C)
Issued (local time): 6 pm Saturday 06 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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