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 04:21 PM.

Days 1–4 Weather Summary

Moderate rain (total 12mm), heaviest on Sat night. Cool air temperatures (max 11°C on Sat night, min 1°C on Sun night). Winds increasing (light winds from the SSW on Sat afternoon, fresh winds from the W by Sun night).

Days 5–7 Weather Summary

Some drizzle, heaviest during Thu afternoon. Low air temperatures (max 9°C on Fri morning, min 1°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 8mm), mostly falling on Sat night. Very mild (max 17°C on Sat morning, min 5°C on Sun night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 5mm), mostly falling on Thu morning. Very mild (max 11°C on Mon afternoon, min 1°C on Tue night). Wind will be generally light.

Sat
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thu
27
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
8:05PM2.74m
8:29AM2.89m
8:57PM2.73m
9:11AM2.95m
9:41PM2.72m
9:49AM2.99m
10:21PM2.70m
10:25AM3.02m
11:00PM2.68m
11:01AM3.02m
11:39PM2.64m
11:39AM3.01m
00:18AM2.60m
12:17PM2.98m
00:58AM2.56m
12:57PM2.94m
1:39AM2.53m
1:38PM2.90m
2:21AM2.50m
2:21PM2.86m
3:06AM2.50m
3:09PM2.82m
3:54AM2.53m
Low Tide
1:48PM0.37m
2:10AM0.34m
2:43PM0.29m
2:56AM0.37m
3:29PM0.21m
3:37AM0.38m
4:10PM0.15m
4:15AM0.40m
4:49PM0.12m
4:52AM0.42m
5:27PM0.12m
5:30AM0.45m
6:05PM0.13m
6:09AM0.48m
6:45PM0.16m
6:49AM0.52m
7:25PM0.19m
7:30AM0.56m
8:06PM0.23m
8:13AM0.60m
8:51PM0.26m
9:01AM0.61m
9:39PM0.27m
9:54AM0.59m
Wave
height (m) 
direction
period (s) 
0.3
NNE
4
0.6
SSE
3
0.9
WNW
4
0.9
WNW
4
1.1
W
4
1.2
WNW
4
1.2
WNW
4
0.9
WNW
4
0.7
WNW
4
0.7
WNW
4
0.4
NW
3
0.2
N
4
0.1
E
12
0.1
E
12
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
10
0.3
SSW
2
0.6
SW
4
0.2
SSW
2
0.2
ENE
3
0.6
NNE
4
0.5
NE
5
0.4
NE
4
0.4
E
9
0.3
E
9
0.2
E
10
0.3
E
10
0.6
NW
3
0.9
NNW
4
0.7
NNW
4
0.6
NNW
4
0.3
E
9
0.2
E
9
0.2
E
9
part cloud
heavy rain
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
light rain
part cloud
cloud
cloud
part cloud
part cloud
light rain
rain showers
cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
light rain
some clouds
heavy rain
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
light rain
some clouds
cloudy
cloudy
some clouds
some clouds
light rain
rain shwrs
cloudy
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
light rain
 km/h
15
WSW
20
S
30
W
30
W
35
W
35
WNW
30
WNW
25
W
25
WNW
25
WNW
15
WNW
5
W
5
E
5
SW
5
SSW
0
W
5
NNW
5
SSW
20
SSW
20
WSW
15
SW
5
NNE
15
N
15
WNW
10
WNW
10
WSW
10
W
5
SSW
15
WSW
25
WNW
25
NW
15
WNW
15
NW
5
W
10
SW
10
S
 mm 
12
1
3
5
5
max°C
6
11
10
7
2
6
5
2
6
6
3
6
7
5
6
6
6
9
11
14
17
14
10
10
10
7
11
11
7
9
8
4
4
6
6
9
Moonrise
3:02
4:05
5:08
6:12
7:16
8:17
9:14
10:03
10:44
11:18
11:47
12:11
Moonset
2:23
2:43
3:06
3:33
4:06
4:47
5:36
6:33
7:37
8:44
9:52
Sunrise
6:35
6:35
6:37
6:37
6:39
6:41
6:41
6:43
6:43
6:46
6:47
6:48
Sunset
4:21
4:20
4:19
4:19
4:17
4:16
4:15
4:15
4:15
4:15
4:14
4:14
Today's sea temperature in Nantasket Beach, Weir River is
10.7° C
(Statistics for 15 Nov 1981-2005 – mean: 10.7 max: 11.9 min: 9.4°C)
Issued (local time): 6 pm Saturday 15 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest