Nahant Beach Surf Break

Lat Long: 42.42° N 70.90° W

Issued: 7 pm 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Nahant Beach sea temperature is
16.4° C

Slightly warmer than usual

Nahant Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Nahant Beach today (20 Jun):

  • Afternoon surf: Afternoon surf (20 Jun, local time) - 0.5ft (0.1m), 13s period with E swell.
  • Evening surf: Evening surf (20 Jun, local time) - 0.5ft (0.1m), 12s period with E swell.

The current surf forecast for Nahant Beach at 11PM is: 0.1m 10s primary swell from a Southeast direction and 0.2m 4s secondary swell from a North direction (forecast issued at 07:00pm June 20). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (20 Jun)--
Afternoon (20 Jun)0.5ft (0.1m)13s
Evening (20 Jun)0.5ft (0.1m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 28mm), heaviest during Mon afternoon. Warm (max 26°C on Sun afternoon, min 15°C on Sat night). Wind will be generally light.

Sat
20
Sunday
21
Monday
22
Tue
23
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
11 AM
2 PM
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 Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
E
13
0.1
E
12
0.1
E
12
0.2
ESE
10
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.4
SE
3
0.4
SE
5
0.5
SE
5
0.4
SE
6
0.3
SE
6
Wave Graph
Metric surfscale
Energy kJ
4
4
4
10
4
4
3
3
3
3
3
3
3
3
2
2
2
2
2
3
8
14
11
5
Wind (km/h)
20
NW
20
WNW
10
W
15
W
10
W
15
W
10
W
5
WNW
10
E
5
ENE
5
WNW
10
WNW
10
W
5
WNW
5
S
10
WSW
5
SSE
20
SE
15
SE
5
SSW
5
NNW
10
NNW
10
N
10
NNE
Wind State
cross-off
off
off
off
off
off
off
glassy
on
glassy
off
off
off
off
cross
off
cross
cross-on
cross-on
glassy
cross-off
cross-off
cross
cross-on
High Tide
4:38PM2.86m
4:54AM2.90m
5:34PM2.83m
5:54AM2.73m
6:29PM2.80m
6:55AM2.59m
Low Tide
10:38PM0.20m
11:09AM0.05m
11:38PM0.27m
12:04PM0.20m
00:40AM0.31m
12:58PM0.33m
part cloud
thunderstorm
clear
clear
clear
clear
clear
part cloud
cloud
rain showers
clear
clear
part cloud
cloud
cloud
light rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:05
5:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:22
8:23
8:23
8:23
 mm
1
1
1
6
4
5
4
1
2
2
1
Temp °C
24
21
19
17
15
18
24
26
23
20
20
19
18
19
23
18
16
15
16
16
16
15
15
17
Feels °C
20
18
18
15
13
16
22
25
21
20
19
18
17
18
22
17
17
13
15
17
17
14
15
17
Swell 1
Height (m)
Direction
Period (s)
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.2
ESE
10
0.1
SE
10
0.1
SE
10
0.1
SE
9
0.1
SE
9
0.1
SE
8
0.1
SE
5
0.1
SE
5
0.1
SE
7
0.1
SE
7
0.1
SE
7
0.1
SE
6
0.1
S
6
0.4
SE
3
0.4
SE
5
0.5
SE
5
0.4
SE
6
0.3
SE
6
Energy kJ
4
4
4
10
4
4
3
3
3
1
1
2
2
2
2
1
3
8
14
11
5
Swell 2
Height (m)
Direction
Period (s)
0.1
E
13
0.1
E
12
0.2
N
4
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
SE
8
0.1
SE
8
0.1
SE
8
0.1
SE
7
0.1
E
12
0.1
E
11
0.1
E
11
0.1
SE
6
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
Energy kJ
3
3
1
3
3
3
3
3
3
2
2
2
3
2
2
2
2
2
2
2
2
2
2
Swell 3
Height (m)
Direction
Period (s)
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
11
Energy kJ
3
3
3
3
3
3
3
3
2
Wind waves
Height (m)
Direction
Period (s)
0.4
NW
3
0.4
NW
3
0.3
WNW
3
0.3
WNW
2
0.3
W
2
0.3
ESE
3
0.4
NE
3
0.4
NE
3
0.4
NE
3
Energy kJ
4
3
1
1
1
1
2
2
4
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
1
1
1
2
2
1
1
1
1
1
2
1
1
2
1
1
1
1
1
1
Distance (km)
96
111
93
93
103
123
123
520
520
184
108
103
190
190
3475
127
375
579
317
140
120
91
102
102
Best forecast wave conditions in Massachusetts
Rating
(10 max)
2
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
2
3
3
3
3
3
1
2
2
3
3
3
2
2
1
2
2
1
3
3
2
3
1
Header Global
Rating
(10 max)
5
9
9
9
8
8
7
7
7
6
6
6
7
6
5
5
5
5
5
6
5
5
6
5
  • 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
How to use the Wavefinder 

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