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

Mostly dry. Icy conditions (max 7°C on Wed morning, min -9°C on Sun night). Mainly fresh winds.

Days 4–6 Weather Summary

Moderate rain (total 13mm), heaviest on Fri morning. Icy conditions (max 14°C on Thu night, min -6°C on Fri night). Winds decreasing (strong winds from the S on Fri morning, calm by Sat afternoon).

Days 7–9 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 7°C on Sun morning, min -5°C on Mon afternoon). Winds decreasing (fresh winds from the NW on Mon morning, calm by Mon night).

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Fri morning. Becoming milder with light rain (total 9mm) on Fri morning. Freeze-thaw conditions (max 5°C on Tue night, min -4°C on Wed night). Winds decreasing (fresh winds from the WNW on Wed morning, calm by Thu afternoon).

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Fri
26
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
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
3:30PM2.72m
Low Tide
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
9:22AM0.34m
Wave
height (m) 
direction
period (s) 
0.9
NW
4
0.7
WNW
3
0.6
W
3
0.3
ESE
10
0.3
SSE
4
0.9
SSW
4
1.3
SSW
5
1.1
SSW
4
0.9
W
4
0.2
ESE
10
0.5
SSE
3
1.2
SE
5
2.3
SE
7
1.9
SE
9
1.3
S
7
0.8
ESE
11
0.4
ESE
10
0.8
S
4
1.2
S
4
0.7
SE
8
0.6
S
5
0.8
NNE
6
0.7
ESE
11
0.5
E
10
0.5
E
10
1
S
4
1
SW
4
0.8
WSW
4
0.8
WNW
4
0.5
NW
3
0.5
NW
3
0.3
NW
2
0.2
E
10
1.6
SE
5
1.8
ESE
7
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
cloud
heavy rain
rain showers
clear
part cloud
part cloud
cloud
cloud
clear
clear
clear
clear
clear
part cloud
light snow
part cloud
clear
clear
part cloud
clear
part cloud
light snow
light snow
light rain
some clouds
cloudy
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
cloudy
heavy rain
rain shwrs
clear
some clouds
some clouds
cloudy
cloudy
clear
clear
clear
clear
clear
some clouds
light snow
some clouds
clear
clear
some clouds
clear
some clouds
light snow
light snow
light rain
 km/h
25
WNW
20
WNW
20
WSW
15
W
10
WSW
25
SW
30
SW
25
SW
25
WNW
10
SSW
20
S
30
SSW
40
S
30
W
35
W
20
WNW
5
WSW
20
SSW
25
SW
15
WSW
20
W
30
NW
25
NNW
5
N
15
SSW
25
SSW
25
WSW
30
W
25
WNW
20
NW
20
WNW
10
WNW
10
SSE
30
SE
15
W
 mm 
12
1
8
1
max°C
-5
-5
-4
-1
-1
2
7
5
6
4
5
14
14
6
-3
-2
-1
6
7
6
2
0
-4
-4
1
2
5
4
2
0
-2
-1
0
5
3
Moonrise
3:00
4:04
5:08
6:11
7:09
8:01
8:45
9:21
9:51
10:15
10:38
10:58
Moonset
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
7:07
7:07
7:07
7:09
7:09
7:09
7:09
7:11
7:11
7:11
Sunset
4:10
4:10
4:12
4:12
4:13
4:13
4:13
4:14
4:14
4:15
4:15
4:15
Today's sea temperature in Nahant is
7.2° C
(Statistics for 15 Dec 1981-2005 – mean: 7.8 max: 9.7 min: 6.2°C)
Issued (local time): 12 am Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest