Nahant Beach surf break

Nahant Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 pm Wednesday 20 May 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Nahant Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nahant Beach sea temperature is
10.9° C
(Which is slightly warmer than usual)

How big are the waves at Nahant Beach today?

The current surf forecast for Nahant Beach at 9PM is: 0.3m 9s primary swell from a Southeast direction and 0.1m 12s secondary swell from a East direction (forecast issued at 01:00pm May 20). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (20 May)1.5ft (0.4m)9s
Afternoon (20 May)1ft (0.3m)9s
Evening (20 May)1ft (0.3m)9s

Table - waves today at Nahant Beach. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 31°C on Wed afternoon, min 11°C on Thu night). Wind will be generally light.

Wed
20
Thursday
21
Friday
22
Sat
23
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.5
NE
5
0.4
NE
5
0.6
ENE
5
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
Wave Graph
Metric surfscale
Energy kJ
12
12
13
13
13
13
12
11
8
15
8
8
8
8
8
8
8
8
9
9
9
9
9
9
Wind (km/h)
20
W
20
W
25
WNW
20
WNW
15
NNW
15
NNW
15
NNW
10
N
5
E
10
ESE
5
SE
10
SSE
5
SSW
10
N
10
NNE
10
NE
10
E
10
ESE
15
SE
15
SSE
10
SW
10
WSW
5
W
5
NE
off
off
off
off
cross-off
cross-off
cross-off
cross
on
on
cross-on
cross-on
cross-off
cross
cross-on
cross-on
on
cross-on
cross-on
cross
cross-off
cross-off
glassy
glassy
High Tide
3:02PM2.85m
3:12AM3.25m
4:01PM2.78m
4:13AM3.09m
5:02PM2.74m
5:16AM2.93m
Low Tide
8:44AM-0.37m
8:57PM0.09m
9:40AM-0.23m
9:56PM0.19m
10:38AM-0.09m
10:58PM0.28m
clear
part cloud
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:16
5:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:02
8:04
8:05
8:05
Temp °C
29
31
29
25
21
17
15
14
13
14
14
13
13
11
11
11
13
14
15
14
13
13
13
14
27
28
26
22
19
14
11
10
10
11
12
10
11
8
7
8
9
9
10
8
9
9
10
12
Swell 1
Height (m)
Direction
Period (s)
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
NNE
5
0.2
ESE
9
0.6
ENE
5
0.4
NE
4
0.3
NE
4
0.2
ESE
9
0.2
SSE
3
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
10
0.2
SSE
3
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
Energy kJ
12
12
13
13
13
13
12
4
8
15
7
3
8
1
8
8
8
8
9
9
1
9
9
9
Swell 2
Height (m)
Direction
Period (s)
0.2
SSE
5
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
14
0.1
E
14
0.2
ESE
9
0.1
E
14
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.1
NE
4
0.2
ESE
9
0.1
E
13
0.1
E
13
0.2
ESE
10
0.2
SSE
3
Energy kJ
3
3
3
3
3
4
4
8
4
8
8
8
1
8
3
3
9
1
Swell 3
Height (m)
Direction
Period (s)
0.1
E
12
0.1
E
15
0.1
E
15
0.1
E
15
0.1
E
15
0.1
E
15
0.1
E
15
0.1
E
14
0.1
NE
5
0.1
E
14
0.1
E
14
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
Energy kJ
3
4
4
4
4
4
4
4
1
4
4
3
3
4
4
4
4
Wind waves
Height (m)
Direction
Period (s)
0.3
WSW
2
0.3
W
2
0.4
WNW
3
0.5
W
3
0.4
NW
3
0.4
NNW
3
0.3
N
3
0.5
NE
5
0.4
NE
5
0.4
SE
3
0.3
SE
3
0.3
SE
3
0.3
NE
2
0.4
NE
3
0.4
NE
3
0.3
NE
3
0.2
ENE
3
0.3
SE
2
0.2
SSW
2
Energy kJ
1
1
3
5
2
3
2
11
8
2
1
1
1
3
4
2
1
1
1
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
342
97
317
93
95
103
127
127
128
233
283
650
190
283
221
853
822
822
814
827
814
659
733
733
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
3
1
2
1
1
1
3
1
3
1
1
1
2
2
2
2
1
1
1
1
2
2
2
Header Global
Rating
(10 max)
4
5
5
5
5
5
5
5
5
5
4
4
5
7
8
7
6
5
5
5
5
6
8
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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