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 07:09 AM and sunset is at 04:13 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 5°C on Sat night, min -5°C on Sun night). Winds decreasing (fresh winds from the SW on Sat night, light winds from the W by Tue morning).

Days 4–6 Weather Summary

A dusting of snow turning to light rain (total 5mm) on Fri morning. Icy conditions (max 11°C on Fri morning, min 0°C on Tue night). Winds increasing (light winds from the SSE on Tue night, fresh winds from the NW by Fri afternoon).

Days 7–9 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 3°C on Sun afternoon, min -10°C on Fri night). Winds decreasing (fresh winds from the NW on Fri night, calm by Sat afternoon).

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Tue night, min -4°C on Mon night). Wind will be generally light.

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thu
1
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
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
7:24PM2.63m
7:42AM3.16m
8:23PM2.65m
8:37AM3.24m
Low Tide
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
1:14PM-0.05m
1:26AM0.12m
2:14PM-0.19m
2:22AM0.10m
3:10PM-0.28m
Wave
height (m) 
direction
period (s) 
1
S
6
0.8
S
6
0.8
SSW
6
0.8
NNE
6
0.5
ESE
9
0.4
ESE
9
0.3
ESE
10
0.2
E
10
0.5
E
5
0.6
E
5
0.8
E
5
0.8
E
6
0.8
E
6
0.7
ESE
7
0.6
ESE
8
0.8
E
9
1
E
10
1
NNE
6
0.9
NE
8
0.7
NE
8
0.5
E
8
0.8
SSE
4
0.6
SE
5
0.3
E
11
0.4
ENE
6
0.7
NE
6
0.5
ENE
7
0.5
ENE
6
0.4
ENE
6
0.4
ENE
6
0.7
E
4
0.7
E
4
0.9
E
5
1
E
6
0.9
ESE
7
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
light snow
clear
clear
part cloud
part cloud
cloud
cloud
light rain
part cloud
clear
clear
clear
cloud
light snow
part cloud
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
light snow
clear
clear
some clouds
some clouds
cloudy
cloudy
light rain
some clouds
clear
clear
clear
cloudy
light snow
some clouds
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
 km/h
25
WSW
25
WNW
25
WNW
30
NW
15
NW
15
WSW
10
W
10
ENE
5
SSE
20
NW
20
N
5
W
15
SW
15
SW
10
SSW
20
SW
25
WNW
30
NW
15
N
5
WNW
15
SSW
20
S
10
WSW
15
NNW
15
N
10
NNW
10
NW
5
NNE
0
SE
5
SE
15
ESE
20
ENE
15
NE
20
NNE
10
NNE
 mm 
5
max°C
5
2
-1
-3
-2
0
2
2
1
3
2
1
5
3
6
11
11
-3
-7
-5
-2
2
3
1
0
0
-3
-2
0
1
1
1
1
1
1
Moonrise
8:45
9:21
9:51
10:15
10:38
10:58
11:19
11:41
12:06
12:38
1:19
2:12
Moonset
5:29
6:36
7:44
8:53
10:01
11:10
12:21
1:36
2:55
4:16
5:36
Sunrise
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:13
Sunset
4:13
4:14
4:14
4:15
4:15
4:15
4:16
4:17
4:19
4:19
4:20
4:21
Today's sea temperature in Nahant is
6.6° C
(Statistics for 21 Dec 1981-2005 – mean: 7.1 max: 8.6 min: 5.6°C)
Issued (local time): 12 am Sunday 21 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest