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 07:00 AM and sunset is at 04:09 PM.

Days 1–3 Weather Summary

Light rain (total 4mm), mostly falling on Wed afternoon. Icy conditions (max 8°C on Wed morning, min -7°C on Tue morning). Winds increasing (light winds from the W on Tue morning, fresh winds from the WSW by Thu night).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 2°C on Sat morning, min -7°C on Sun night). Winds increasing (light winds from the WSW on Fri night, fresh winds from the NW by Sun night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Wed night, min -6°C on Tue night). Winds decreasing (fresh winds from the NW on Mon morning, light winds from the WSW by Tue night).

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Thu night. Freeze-thaw conditions (max 14°C on Thu night, min 0°C on Sat morning). Winds decreasing (strong winds from the S on Fri morning, calm by Sat night).

Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
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
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
10:37AM2.97m
11:18PM2.54m
11:16AM2.98m
11:58PM2.55m
Low Tide
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
5:05PM0.12m
5:06AM0.44m
5:44PM0.09m
5:45AM0.43m
Wave
height (m) 
direction
period (s) 
0.4
ENE
7
0.3
E
9
0.6
S
3
0.7
SSW
4
1.2
S
5
0.7
SW
4
1
W
4
1.1
W
4
1.2
W
4
1
W
4
0.9
W
4
0.5
W
3
0.2
SSW
3
0.4
W
3
0.4
W
3
0.4
W
3
0.5
NW
3
0.8
NW
4
1.3
NNW
5
1.2
NNW
5
0.7
NNW
4
0.5
NW
3
0.5
NW
3
0.2
E
7
0.3
SSW
2
0.6
SSW
3
0.9
SW
4
0.3
SW
2
0.1
E
10
0.4
SE
3
1.5
SSE
5
1.4
SSE
6
0.9
WSW
4
1.1
NW
4
0.9
NNW
4
0.3
E
7
clear
cloud
cloud
part cloud
light rain
rain showers
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
light rain
light rain
rain showers
clear
clear
clear
part cloud
clear
cloudy
cloudy
some clouds
light rain
rain shwrs
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
some clouds
light rain
light rain
rain shwrs
clear
clear
clear
some clouds
 km/h
10
W
15
SW
20
SW
25
SSW
35
SSW
25
SW
30
W
30
WSW
35
W
30
W
25
W
15
W
10
SW
15
W
15
W
20
W
20
WNW
25
WNW
30
NW
30
NW
15
WNW
20
WNW
15
NW
5
WSW
15
SSW
25
SSW
25
SW
10
WSW
10
S
15
SSE
40
S
30
SW
30
W
30
WNW
20
NW
10
SSW
 mm 
2
2
4
4
1
max°C
-4
-2
3
8
8
5
-1
-2
-3
0
-1
-1
2
2
-1
0
0
-6
-2
-2
-5
-3
-3
-5
2
3
4
7
7
14
14
14
5
2
2
1
Moonrise
9:37
10:46
11:51
12:54
1:57
3:00
4:03
5:07
6:10
7:08
8:00
Moonset
11:06
11:30
11:51
12:10
12:28
12:48
1:10
1:35
2:06
2:45
3:32
4:27
Sunrise
7:00
7:01
7:01
7:03
7:03
7:03
7:05
7:05
7:05
7:07
7:07
7:07
Sunset
4:09
4:10
4:10
4:10
4:10
4:10
4:10
4:12
4:12
4:12
4:13
4:13
Today's sea temperature in Nantasket Beach, Weir River is
7.7° C
(Statistics for 09 Dec 1981-2005 – mean: 8.5 max: 10.7 min: 7.1°C)
Issued (local time): 12 pm Tuesday 09 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest