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 07:07 AM and sunset is at 04:13 PM.

Days 1–3 Weather Summary

Moderate rain (total 13mm), heaviest on Fri morning. Icy conditions (max 15°C on Fri morning, min -2°C on Fri night). Winds decreasing (near gales from the S on Fri morning, light winds from the WSW by Sat afternoon).

Days 4–6 Weather Summary

A dusting of new snow. Icy conditions (max 3°C on Wed morning, min -5°C on Sun night). Mainly fresh winds.

Days 7–9 Weather Summary

Moderate rain (total 10mm), heaviest on Thu night. Freeze-thaw conditions (max 12°C on Fri morning, min -2°C on Wed night). Winds increasing (calm on Thu night, fresh winds from the W by Fri afternoon).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Sat night, min -1°C on Sun night). Winds increasing (light winds from the NNE on Mon morning, strong winds from the NNE by Tue morning).

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
Wave Height Map
High Tide
10:37AM2.97m
11:18PM2.54m
11:16AM2.98m
11:58PM2.55m
11:56AM2.99m
00:37AM2.56m
12:36PM2.98m
1:16AM2.58m
1:16PM2.97m
1:56AM2.61m
1:58PM2.94m
2:36AM2.65m
2:43PM2.90m
3:20AM2.71m
3:32PM2.85m
4:08AM2.79m
4:26PM2.79m
4:59AM2.89m
5:24PM2.74m
5:52AM3.01m
6:23PM2.72m
6:48AM3.12m
Low Tide
5:05PM0.12m
5:06AM0.44m
5:44PM0.09m
5:45AM0.43m
6:23PM0.07m
6:26AM0.42m
7:02PM0.06m
7:08AM0.41m
7:42PM0.06m
7:50AM0.40m
8:23PM0.07m
8:36AM0.38m
9:07PM0.09m
9:27AM0.35m
9:55PM0.11m
10:22AM0.29m
10:45PM0.13m
11:19AM0.20m
11:38PM0.14m
12:18PM0.10m
00:33AM0.14m
1:18PM-0.02m
Wave
height (m) 
direction
period (s) 
1.5
SSE
5
1.8
ESE
8
1.4
WNW
4
0.8
ESE
12
0.5
E
11
0.9
S
4
0.6
SE
6
1
WNW
4
0.9
WNW
4
1.2
NNW
4
1
NNW
4
0.5
E
8
0.5
S
4
0.5
S
4
0.6
W
3
0.8
NW
4
0.8
NNW
4
0.4
NE
6
0.7
SSW
3
0.5
SW
3
0.3
ENE
8
0.7
S
3
0.8
WSW
3
0.7
NW
4
0.4
NW
3
0.4
NNW
3
0.5
N
3
0.6
NE
5
0.7
NE
6
0.9
NE
6
0.8
NE
6
0.6
NE
6
0.7
NE
4
2
NE
6
2.5
NE
7
mod rain
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
light snow
clear
clear
clear
part cloud
light rain
cloud
mod rain
rain showers
part cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
mod rain
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
cloudy
light snow
clear
clear
clear
some clouds
light rain
cloudy
mod rain
rain shwrs
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
clear
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
 km/h
35
SSE
25
SW
35
W
20
W
10
WSW
30
SSW
20
WSW
30
WNW
25
WNW
30
NW
25
NW
15
WSW
20
SW
20
SSW
20
W
25
WNW
20
NW
5
SW
25
SW
15
SW
5
SE
25
SW
35
W
20
WNW
15
NW
10
NNW
15
NNW
15
N
10
NNW
10
N
5
NNE
10
ENE
20
ENE
40
NE
40
NNE
 mm 
9
4
1
8
1
max°C
15
12
1
2
2
6
7
3
-1
-2
-2
-3
1
1
2
3
3
-1
3
3
7
12
12
6
5
5
3
1
2
-1
0
1
1
0
0
Moonrise
7:08
8:00
8:44
9:20
9:50
10:15
10:37
10:58
11:18
11:41
12:06
12:38
Moonset
3:32
4:27
5:30
6:36
7:44
8:53
10:01
11:10
12:21
1:36
2:54
Sunrise
7:07
7:07
7:07
7:09
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:11
Sunset
4:13
4:13
4:14
4:14
4:15
4:15
4:15
4:16
4:16
4:17
4:19
4:20
Today's sea temperature in Nantasket Beach, Weir River is
6.3° C
(Statistics for 19 Dec 1981-2005 – mean: 7.4 max: 9.9 min: 5.7°C)
Issued (local time): 12 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest