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 — and sunset is at 04:12 PM.

Days 1–4 Weather Summary

Moderate rain (total 17mm), heaviest on Fri morning. Icy conditions (max 14°C on Fri morning, min -3°C on Fri night). Winds decreasing (strong winds from the S on Fri morning, light winds from the SW by Sat afternoon).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 3°C on Sun afternoon, min -5°C on Sun night). Mainly fresh winds.

Days 8–10 Weather Summary

Heavy rain (total 20mm), heaviest during Thu night. Freeze-thaw conditions (max 6°C on Fri morning, min -1°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 2°C on Sat afternoon, min -4°C on Sat night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
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
4:06AM2.70m
4:24PM2.67m
4:57AM2.80m
5:22PM2.63m
5:51AM2.92m
6:23PM2.62m
6:46AM3.04m
Low Tide
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
9:49PM0.10m
10:16AM0.29m
10:40PM0.13m
11:14AM0.20m
11:33PM0.15m
12:14PM0.09m
00:29AM0.15m
Wave
height (m) 
direction
period (s) 
0.7
SSE
3
1
SE
5
1.9
SE
6
2.5
SE
8
1.6
S
7
1
ESE
12
0.7
ESE
11
1
S
4
1
SSE
6
0.9
S
6
0.9
SSW
6
0.9
NNE
6
0.7
NE
6
0.4
ESE
10
0.6
SSE
5
0.6
SSE
5
0.3
E
10
0.5
N
5
0.5
NW
3
0.2
E
9
0.6
SSW
3
0.5
S
4
0.2
ESE
10
0.2
E
9
0.4
ESE
9
0.4
ESE
8
0.5
E
7
0.6
NNW
3
0.6
NE
6
0.6
ENE
7
0.6
ENE
7
0.4
ENE
7
0.3
ENE
7
0.3
E
8
0.3
ENE
6
0.4
NE
5
clear
light rain
mod rain
mod rain
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
part cloud
part cloud
light rain
light rain
mod rain
mod rain
part cloud
light rain
part cloud
part cloud
clear
clear
clear
part cloud
light snow
clear
clear
clear
clear
light rain
mod rain
mod rain
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
cloudy
some clouds
clear
clear
some clouds
some clouds
light rain
light rain
mod rain
mod rain
some clouds
light rain
some clouds
some clouds
clear
clear
clear
some clouds
light snow
clear
clear
clear
 km/h
20
S
20
S
40
SSE
20
WSW
35
W
20
WNW
10
SW
25
SSW
25
WSW
25
WNW
30
WNW
30
NW
20
NW
10
WSW
20
SW
15
SW
15
WNW
20
WNW
15
NW
5
SW
20
SW
15
SSW
5
SW
5
WNW
10
NNW
0
SE
25
NW
20
NNW
15
NNW
5
NNW
5
ESE
10
SSW
5
WSW
10
NNW
10
NNW
5
W
 mm 
1
10
6
1
2
7
7
3
max°C
5
13
14
11
2
2
2
5
6
3
-1
-3
-3
-2
2
0
1
3
2
0
4
4
5
6
3
4
4
2
-2
-1
-1
-1
-1
0
-2
0
Moonrise
7:09
8:01
8:45
9:21
9:51
10:15
10:38
10:58
11:19
11:41
12:06
12:38
Moonset
3:31
4:27
5:29
6:36
7:44
8:53
10:01
11:10
12:21
1:36
2:55
Sunrise
7:07
7:09
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:11
7:11
Sunset
4:12
4:13
4:13
4:13
4:14
4:14
4:15
4:15
4:15
4:16
4:17
4:19
Today's sea temperature in Nahant is
6.6° C
(Statistics for 18 Dec 1981-2005 – mean: 7.4 max: 9.7 min: 5.6°C)
Issued (local time): 6 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest