Nahant Beach Surf Break

Lat Long: 42.42° N 70.90° W

Issued: 1 am 21 Jun 2026 (local time)

Forecast update in  hr  min

Today's Nahant Beach sea temperature is
15.7° C

Normal for this time of year

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 (21 Jun):

  • Morning surf: Morning surf (21 Jun, local time) - 0.5ft (0.1m), 12s period with E swell.
  • Afternoon surf: Afternoon surf (21 Jun, local time) - 0.5ft (0.1m), 12s period with E swell.
  • Evening surf: Evening surf (21 Jun, local time) - 0.5ft (0.1m), 8s period with SE swell.

The current surf forecast for Nahant Beach at 10AM is: 0.1m 9s primary swell from a Southeast direction and 0.1m 12s secondary swell from a East direction (forecast issued at 01:00am June 21). The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (21 Jun)0.5ft (0.1m)12s
Afternoon (21 Jun)0.5ft (0.1m)12s
Evening (21 Jun)0.5ft (0.1m)8s

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 50mm), heaviest during Mon night. Warm (max 24°C on Sun morning, min 15°C on Mon afternoon). Wind will be generally light.

Sunday
21
Monday
22
Tuesday
23
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
5 PM
8 PM
11 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)
0.2
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
0.5
SE
3
0.5
SSE
4
0.6
SSE
4
0.6
SSE
5
0.5
SE
5
0.4
SE
5
0.4
SE
5
0.4
SE
5
Wave Graph
Metric surfscale
Energy kJ
10
4
4
3
3
3
3
3
3
3
3
2
2
2
2
2
5
7
12
15
11
8
9
7
Wind (km/h)
10
W
10
W
10
W
5
W
10
NE
5
ENE
5
ESE
5
WNW
10
W
10
W
5
W
5
SSW
15
WSW
0
SSW
15
E
15
ESE
5
ESE
10
S
5
W
15
NNW
10
N
5
ENE
5
SSE
5
SW
Wind State
off
off
off
off
cross-on
on
glassy
cross-off
off
off
off
glassy
cross-off
glassy
on
cross-on
cross-on
cross
off
cross-off
cross
glassy
cross
glassy
High Tide
4:54AM2.90m
5:34PM2.83m
5:54AM2.73m
6:29PM2.80m
6:55AM2.59m
7:23PM2.79m
Low Tide
11:09AM0.05m
11:38PM0.27m
12:04PM0.20m
00:40AM0.31m
12:58PM0.33m
clear
clear
clear
clear
cloud
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
mod rain
heavy rain
light rain
cloud
light rain
heavy rain
mod rain
cloud
part cloud
part cloud
clear
<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>
8:23
8:23
8:23
 mm
6
14
5
5
14
6
Temp °C
17
15
19
24
24
23
22
21
19
18
19
23
21
15
15
15
17
18
18
16
17
19
18
19
Feels °C
16
13
17
23
23
22
21
20
18
17
19
22
18
16
14
14
18
18
20
15
17
20
19
21
Swell 1
Height (m)
Direction
Period (s)
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
8
0.1
SE
5
0.1
SE
5
0.1
SE
7
0.1
E
11
0.2
SSE
2
0.1
E
11
0.1
E
11
0.1
E
9
0.1
E
9
0.1
E
11
0.6
SSE
5
0.5
SE
5
0.4
SE
5
0.4
SE
5
0.4
SE
5
Energy kJ
10
4
4
3
3
3
2
1
1
2
2
1
2
2
2
1
2
15
11
8
9
7
Swell 2
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
SE
8
0.1
SE
8
0.1
SE
7
0.1
SE
7
0.1
E
11
0.1
S
6
0.1
SE
6
0.1
S
6
0.1
E
11
0.1
E
11
0.1
E
8
0.1
E
11
0.1
E
11
0.1
E
11
0.4
NE
3
0.3
NE
3
Energy kJ
3
3
3
3
3
3
2
2
2
2
1
2
1
2
2
1
2
2
2
3
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
11
0.1
E
11
0.1
E
7
0.1
SE
7
Energy kJ
3
3
3
3
3
3
3
2
2
1
2
Wind waves
Height (m)
Direction
Period (s)
0.1
SE
7
0.3
S
2
0.2
SSE
3
0.3
SE
2
0.5
SE
3
0.5
SSE
4
0.6
SSE
4
0.3
N
2
0.4
NNE
3
Energy kJ
2
1
1
1
5
7
12
1
4
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
Distance (km)
93
103
103
123
412
520
520
190
127
190
657
3312
2696
749
486
2531
486
140
97
111
103
108
102
102
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
1
2
2
3
3
3
2
2
1
1
2
2
3
3
3
3
1
1
2
2
Header Global
Rating
(10 max)
9
8
8
7
7
7
6
6
5
7
6
5
5
5
5
5
6
5
5
5
5
6
8
8
  • 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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