Nahant Beach Surf Break

Lat Long: 42.42° N 70.90° W

Issued: 7 am 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):

  • Morning surf: Morning surf (20 Jun, local time) - 0.5ft (0.1m), 9s period with SE swell.
  • 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), 10s period with SE swell.

The current surf forecast for Nahant Beach at 3PM is: 0.1m 10s primary swell from a Southeast direction and 0.1m 13s secondary swell from a East direction (forecast issued at 07:00am June 20). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (20 Jun)0.5ft (0.1m)9s
Afternoon (20 Jun)0.5ft (0.1m)13s
Evening (20 Jun)0.5ft (0.1m)10s

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 31mm), heaviest during Mon night. Warm (max 24°C on Sat afternoon, min 14°C on Sat night). Wind will be generally light.

Saturday
20
Sunday
21
Monday
22
Tue
23
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
2 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 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
13
0.1
E
13
0.1
E
13
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
0.4
ESE
3
0.4
ESE
4
Wave Graph
Metric surfscale
Energy kJ
3
3
3
4
4
4
4
10
4
4
3
3
3
3
3
3
3
3
2
2
2
2
3
5
Wind (km/h)
25
W
25
W
20
WNW
20
WNW
15
NW
15
WNW
10
W
10
W
10
WSW
15
W
10
W
10
NNE
10
E
10
S
5
W
10
NW
10
WNW
5
WNW
10
SSE
15
WSW
10
ESE
10
ESE
15
E
15
E
Wind State
off
off
off
cross-off
cross-off
off
off
off
off
off
off
cross
on
cross
off
cross-off
off
cross-off
cross
cross-off
on
on
on
on
High Tide
3:56AM3.08m
4:38PM2.86m
4:54AM2.90m
5:34PM2.83m
5:54AM2.73m
6:29PM2.80m
Low Tide
10:15AM-0.11m
10:38PM0.20m
11:09AM0.05m
11:38PM0.27m
12:04PM0.20m
00:40AM0.31m
clear
clear
cloud
part cloud
cloud
thunderstorm
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
part cloud
part cloud
cloud
light rain
light rain
heavy rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
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
1
4
12
4
1
Temp °C
17
18
21
24
23
20
17
16
14
18
23
24
22
20
20
19
18
19
23
18
15
14
15
15
Feels °C
11
13
17
20
20
18
16
15
12
16
21
23
21
19
19
18
17
18
22
17
14
13
13
14
Swell 1
Height (m)
Direction
Period (s)
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
SE
10
0.1
SE
10
0.2
N
4
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
8
0.1
SE
5
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
SE
6
0.1
E
11
0.4
ESE
4
Energy kJ
3
3
3
4
4
1
4
10
4
4
3
3
3
3
1
1
1
2
2
2
2
2
2
5
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
5
0.1
SE
5
0.1
E
13
0.1
E
13
0.1
E
13
0.1
SE
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
SE
8
0.1
SE
8
0.1
SE
7
0.1
E
12
0.1
E
11
0.1
E
11
0.1
E
11
0.1
SE
6
Energy kJ
1
1
3
3
3
4
3
3
3
3
3
3
3
2
2
2
3
2
2
2
2
Swell 3
Height (m)
Direction
Period (s)
0.1
E
13
0.1
E
13
0.1
E
6
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
Energy kJ
3
3
1
3
3
3
3
3
3
2
2
Wind waves
Height (m)
Direction
Period (s)
0.6
W
3
0.6
W
3
0.5
W
3
0.4
WNW
3
0.4
NW
3
0.4
NW
3
0.3
WNW
2
0.3
W
2
0.3
W
2
0.4
ESE
3
Energy kJ
7
7
5
4
3
2
1
1
1
3
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
Distance (km)
112
391
406
120
120
104
89
93
102
123
123
367
520
520
104
142
190
190
3558
2696
1956
337
320
140
Best forecast wave conditions in Massachusetts
Rating
(10 max)
2
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
4
4
3
2
2
3
3
3
3
3
2
2
3
3
4
3
3
1
1
1
2
3
Header Global
Rating
(10 max)
5
5
5
5
5
9
9
9
8
8
5
8
7
6
6
6
8
7
5
5
5
5
5
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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