Nahant Beach surf break

Nahant Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 pm Thursday 21 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
12.1° C
(Which is 1.8°C warmer than normal for this time of year)

How big are the waves at Nahant Beach today?

The current surf forecast for Nahant Beach at 6PM is: 0.5m 5s primary swell from a Northeast direction and 0.2m 9s secondary swell from a East-southeast direction, 0.3m 3s secondary swell from a Southeast direction (forecast issued at 01:00pm May 21). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (21 May)0.5ft (0.2m)9s
Afternoon (21 May)2ft (0.6m)5s
Evening (21 May)1.5ft (0.4m)5s

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. Very mild (max 15°C on Thu afternoon, min 10°C on Sun morning). Wind will be generally light.

Thu
21
Friday
22
Saturday
23
Sun
24
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)
0.6
NE
4
0.6
NE
5
0.5
NE
5
0.4
ENE
5
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.6
NE
4
0.6
NE
4
0.5
NE
4
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.1
E
13
0.2
ESE
10
0.1
SE
9
0.2
ESE
9
0.1
E
12
0.1
E
12
Wave Graph
Metric surfscale
Energy kJ
12
14
13
10
8
8
8
8
9
8
9
9
9
9
9
9
9
9
4
9
3
8
3
3
Wind (km/h)
10
ENE
15
E
10
E
5
SE
5
SW
15
NNE
15
NE
15
NE
15
ENE
15
ESE
15
SE
10
SSE
10
S
5
WSW
5
N
5
NE
10
E
10
SE
10
SE
10
ESE
10
SE
10
SSE
5
SE
15
ESE
on
on
on
cross-on
glassy
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross
off
glassy
glassy
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:01PM2.78m
4:13AM3.09m
5:02PM2.74m
5:16AM2.93m
6:04PM2.72m
6:21AM2.79m
Low Tide
9:40AM-0.23m
9:56PM0.19m
10:38AM-0.09m
10:58PM0.28m
11:38AM0.05m
00:03AM0.34m
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:15
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:04
8:05
8:05
8:06
Temp °C
16
15
15
14
14
12
11
12
13
13
13
13
14
12
12
12
14
14
14
13
13
12
11
11
13
11
12
11
12
7
7
7
8
8
8
8
10
8
9
9
10
10
10
9
9
9
9
7
Swell 1
Height (m)
Direction
Period (s)
0.2
ESE
9
0.6
NE
5
0.5
NE
5
0.4
ENE
5
0.3
ENE
4
0.2
ENE
4
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
10
0.3
NE
4
0.2
ESE
10
0.2
ESE
3
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.1
SE
10
0.2
ESE
10
0.1
SE
9
0.2
ESE
9
0.1
SE
9
0.1
SE
9
Energy kJ
8
14
13
10
4
1
8
8
8
8
9
2
9
1
9
9
9
9
4
9
3
8
3
3
Swell 2
Height (m)
Direction
Period (s)
0.1
E
14
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.1
E
14
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
0.2
ESE
10
0.1
NE
4
0.2
ESE
10
0.1
E
14
0.1
E
14
0.1
E
13
0.1
SE
7
0.1
E
12
Energy kJ
4
8
7
7
8
8
4
3
3
3
3
9
1
9
4
4
4
2
3
Swell 3
Height (m)
Direction
Period (s)
0.1
E
15
0.1
E
15
0.1
E
14
0.1
E
14
0.1
E
14
0.1
E
10
0.1
E
13
0.1
E
13
0.1
E
13
0.1
NE
4
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
12
0.1
E
12
Energy kJ
4
4
4
4
4
2
3
4
4
1
4
3
3
3
3
Wind waves
Height (m)
Direction
Period (s)
0.6
NE
4
0.3
ESE
3
0.3
SE
3
0.4
NE
3
0.6
NE
4
0.6
NE
4
0.5
NE
4
0.4
ENE
4
0.3
SE
2
0.3
SE
3
0.2
ESE
2
0.4
SE
3
Energy kJ
12
2
1
3
8
9
7
6
1
1
1
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
2
1
1
1
1
1
1
3
4
Distance (km)
58
127
283
198
280
288
651
652
853
894
2695
2695
900
793
761
733
733
1240
1240
140
127
733
626
513
Best forecast wave conditions in Massachusetts
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
1
2
1
1
1
2
2
2
2
2
1
1
2
2
2
2
2
1
1
1
2
2
3
4
Header Global
Rating
(10 max)
5
5
5
4
5
7
7
7
6
6
6
5
6
7
8
8
7
6
5
5
5
5
6
6
  • 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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