Nahant Sea Conditions and Tide Table

Nahant 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 07:05 AM and sunset is at 04:10 PM.

Days 1–3 Weather Summary

A light covering of new snow, mostly falling on Sun afternoon. Icy conditions (max 1°C on Tue night, min -10°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 15mm), heaviest on Fri morning. Icy conditions (max 15°C on Thu night, min -6°C on Fri night). Winds increasing (light winds from the SW on Wed night, strong winds from the S by Thu night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 6°C on Sun morning, min -6°C on Mon afternoon). Winds increasing (light winds from the W on Sat morning, fresh winds from the NW by Mon afternoon).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 8°C on Thu afternoon, min -5°C on Thu night). Winds decreasing (fresh winds from the SW on Tue morning, calm by Wed afternoon).

Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
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
7:23PM2.44m
7:43AM2.70m
8:17PM2.42m
8:29AM2.74m
9:06PM2.42m
9:12AM2.78m
9:51PM2.43m
9:53AM2.82m
10:33PM2.44m
10:33AM2.85m
11:13PM2.46m
11:12AM2.87m
11:52PM2.47m
11:51AM2.87m
00:31AM2.47m
12:30PM2.87m
1:11AM2.49m
1:11PM2.85m
1:51AM2.51m
1:54PM2.82m
2:34AM2.56m
2:40PM2.78m
3:19AM2.62m
Low Tide
1:10PM0.37m
1:21AM0.44m
2:05PM0.31m
2:09AM0.47m
2:53PM0.25m
2:54AM0.47m
3:37PM0.19m
3:36AM0.46m
4:18PM0.14m
4:17AM0.45m
4:58PM0.11m
4:58AM0.43m
5:36PM0.08m
5:38AM0.41m
6:15PM0.07m
6:19AM0.41m
6:55PM0.06m
7:01AM0.40m
7:35PM0.06m
7:45AM0.39m
8:17PM0.07m
8:31AM0.38m
9:02PM0.08m
Wave
height (m) 
direction
period (s) 
0.2
ESE
9
0.5
N
3
1.1
NE
7
0.9
N
5
0.7
WNW
3
0.7
W
3
0.4
S
5
0.3
S
4
0.7
SSW
4
1.2
SSW
4
1.1
SSW
4
0.4
S
5
0.2
ESE
10
0.8
SSE
4
1.6
SE
5
2.5
SSE
7
1.3
SE
10
1.1
SSW
6
0.7
ESE
11
0.4
ESE
10
1.1
S
4
1.1
SSW
4
0.7
SSE
5
0.5
ESE
12
0.7
ESE
11
0.9
NE
6
0.5
E
10
1.1
SW
4
1
SW
4
0.5
S
5
0.5
ENE
4
0.6
ENE
5
0.5
E
4
0.8
SSE
4
0.5
SW
3
0.7
NW
4
light snow
light snow
snow showers
clear
cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
light rain
heavy rain
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
part cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
light snow
light snow
snow shwrs
clear
cloudy
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
light rain
heavy rain
some clouds
clear
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
clear
clear
some clouds
cloudy
some clouds
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
 km/h
10
N
20
NNW
30
NW
25
WNW
20
WNW
20
WSW
15
W
10
WSW
20
SW
30
SW
25
SW
10
W
10
SSE
20
S
35
SSW
35
WSW
35
W
25
WNW
15
NW
10
S
25
SSW
25
SW
15
WSW
15
WNW
30
NW
30
NW
10
WNW
30
SW
25
WSW
15
W
10
ENE
5
NE
10
SW
20
SW
15
W
30
NW
 mm 
1
14
max°C
-1
-1
-5
-5
-5
-4
-1
-1
1
7
5
4
3
6
15
13
6
-4
-3
-1
5
6
4
3
-3
-4
-3
4
4
2
2
2
4
7
8
1
Moonrise
1:57
3:00
4:04
5:08
6:11
7:09
8:01
8:45
9:21
9:51
10:15
10:38
Moonset
12:48
1:10
1:35
2:06
2:44
3:31
4:27
5:29
6:36
7:44
8:53
10:01
Sunrise
7:05
7:05
7:05
7:07
7:07
7:07
7:09
7:09
7:09
7:09
7:11
7:11
Sunset
4:10
4:10
4:10
4:12
4:12
4:13
4:13
4:13
4:14
4:14
4:15
4:15
Today's sea temperature in Nahant is
7.3° C
(Statistics for 14 Dec 1981-2005 – mean: 7.9 max: 9.7 min: 6.2°C)
Issued (local time): 6 am Sunday 14 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest