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 06:58 AM and sunset is at 04:10 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Tue night. Icy conditions (max 4°C on Tue night, min -7°C on Mon night). Winds increasing (light winds from the WNW on Sun morning, fresh winds from the NNW by Sun night).

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Wed afternoon. Icy conditions (max 9°C on Wed afternoon, min 0°C on Thu night). Winds decreasing (fresh winds from the SSW on Wed afternoon, calm by Fri afternoon).

Days 7–9 Weather Summary

A moderate fall of snow, heaviest on Sat morning. Freeze-thaw conditions (max 2°C on Sat morning, min -8°C on Sat night). Winds decreasing (strong winds from the WNW on Sat night, light winds from the SSE by Mon afternoon).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Thu morning, min -9°C on Tue night). Winds decreasing (fresh winds from the NW on Tue afternoon, calm by Thu night).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
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
12:36PM3.53m
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
10:38PM2.53m
Low Tide
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
4:26PM0.16m
4:26AM0.46m
Wave
height (m) 
direction
period (s) 
0.4
ESE
9
0.4
ESE
9
0.7
ESE
9
1.2
NNW
5
0.9
NNE
5
0.6
ENE
7
0.3
E
9
0.5
S
3
0.8
SSW
4
0.5
SW
3
1.1
S
4
0.8
SW
4
0.8
W
4
0.7
W
4
0.4
WNW
3
0.2
WNW
2
0.1
SE
8
0.2
E
9
0.6
E
4
1.1
NE
5
2.1
NE
8
1.3
NE
8
1.1
NW
5
0.5
WNW
4
0.4
SW
3
0.1
E
10
0.4
WSW
3
0.3
ESE
10
0.9
NNW
4
0.7
NNW
4
0.6
W
4
0.9
SW
4
0.7
SW
4
0.6
W
3
0.5
W
4
0.6
N
4
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
light rain
cloud
light rain
rain showers
clear
cloud
part cloud
part cloud
cloud
cloud
mod snow
light snow
mod snow
clear
clear
part cloud
cloud
light snow
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
cloudy
light rain
cloudy
light rain
rain shwrs
clear
cloudy
some clouds
some clouds
cloudy
cloudy
mod snow
light snow
mod snow
clear
clear
some clouds
cloudy
light snow
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
some clouds
clear
some clouds
 km/h
10
NW
5
S
25
W
30
NNW
20
NNW
15
NW
15
SW
20
SSW
25
SW
20
SSW
35
SSW
25
SW
25
W
25
W
15
W
10
W
5
NE
10
ENE
15
ENE
30
N
40
WNW
30
WNW
25
W
20
WSW
20
SW
5
SSE
15
WSW
15
WNW
25
NW
20
WNW
20
SW
25
WSW
25
WSW
20
W
15
W
15
NNW
 mm 
1
2
1
max°C
3
3
1
-5
-5
-6
-2
0
4
8
9
6
4
2
0
3
3
2
2
0
-4
-5
-5
-3
0
1
-1
-1
-2
-6
-1
-1
1
2
2
-2
Moonrise
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
4:09
4:09
4:10
4:10
4:10
4:10
4:10
4:10
4:12
4:12
4:12
Today's sea temperature in Nantasket Beach, Weir River is
7.9° C
(Statistics for 07 Dec 1981-2005 – mean: 8.7 max: 10.7 min: 7.1°C)
Issued (local time): 6 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest