Nantasket Beach surf break

Nantasket Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 7 pm Friday 24 Apr 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Nantasket Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nantasket Beach sea temperature is
7.1° C
(Which is slightly warmer than usual)

How big are the waves at Nantasket Beach today?

The current surf forecast for Nantasket Beach at 11PM is: 0.1m 15s primary swell from a East direction and 0.3m 4s secondary swell from a Northeast direction, 0.1m 7s secondary swell from a East direction (forecast issued at 07:00pm April 24). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (24 Apr)--
Afternoon (24 Apr)1.5ft (0.4m)4s
Evening (24 Apr)0.5ft (0.1m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 10°C on Mon afternoon, min 5°C on Fri night). Wind will be generally light.

Fri
24
Saturday
25
Sunday
26
Mon
27
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
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.3
NE
4
0.3
NE
4
0.1
E
15
0.1
E
15
0.1
E
15
0.2
E
15
0.2
E
14
0.2
ENE
14
0.3
ENE
14
0.3
ENE
14
0.3
ENE
13
0.3
ENE
13
0.3
ENE
13
0.4
ENE
13
0.3
ENE
13
0.3
ENE
13
0.3
ENE
12
0.3
ENE
12
0.3
ENE
12
0.2
E
12
0.2
E
12
0.2
ENE
10
0.6
NE
4
0.8
ENE
4
Wave Graph
Metric surfscale
Energy kJ
2
3
4
4
4
21
16
20
38
36
34
34
33
55
33
32
30
29
29
12
12
9
11
22
Wind (km/h)
15
E
10
SE
5
SE
10
ENE
10
NNE
10
NNE
10
ENE
10
E
5
ESE
10
SSE
10
SW
5
WSW
0
WSW
5
NE
15
ENE
15
ENE
10
ENE
10
ENE
5
ENE
10
NNE
10
NNE
15
NE
20
NE
20
NE
on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
on
cross-on
cross-on
cross-off
cross-off
glassy
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:23PM2.62m
6:42AM2.83m
7:29PM2.65m
7:51AM2.79m
8:32PM2.73m
8:56AM2.79m
Low Tide
00:23AM0.39m
1:09PM0.17m
1:32AM0.37m
2:13PM0.20m
2:38AM0.29m
part cloud
cloud
cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:46
5:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:34
7:35
7:36
7:37
Temp °C
7
6
6
5
5
5
6
6
7
7
7
6
6
7
8
9
9
7
7
7
7
8
9
10
1
2
3
1
1
1
2
2
3
3
3
3
4
4
3
4
5
3
4
4
3
4
4
5
Swell 1
Height (m)
Direction
Period (s)
0.3
NE
4
0.3
NE
4
0.3
NE
4
0.2
ENE
4
0.2
E
7
0.2
E
7
0.2
E
6
0.4
NE
4
0.4
NE
4
0.4
NE
4
0.3
E
8
0.3
ENE
13
0.3
ENE
13
0.4
ENE
13
0.3
ENE
13
0.3
ENE
13
0.3
ENE
12
0.3
ENE
12
0.3
ENE
12
0.2
ENE
10
0.2
ENE
10
0.2
ENE
10
0.2
ENE
9
0.2
ENE
9
Energy kJ
2
3
3
2
4
4
3
3
5
5
11
34
33
55
33
32
30
29
29
10
9
9
8
8
Swell 2
Height (m)
Direction
Period (s)
0.1
E
6
0.1
E
8
0.1
E
7
0.2
E
7
0.1
NE
4
0.2
E
15
0.2
E
14
0.2
ENE
14
0.3
ENE
14
0.3
E
8
0.4
NE
4
0.3
E
8
0.3
E
7
0.3
E
7
0.2
E
7
0.2
E
7
0.2
E
7
0.2
ENE
2
0.2
E
12
0.1
E
12
0.1
E
12
0.1
E
12
Energy kJ
1
1
1
4
1
17
16
20
38
12
5
10
10
9
4
4
3
1
12
3
3
3
Swell 3
Height (m)
Direction
Period (s)
0.1
E
8
0.1
E
15
0.1
E
15
0.1
E
15
0.2
ENE
15
0.2
E
6
0.2
E
8
0.3
ENE
14
0.3
ENE
13
0.3
NE
4
0.2
ENE
4
0.1
NE
4
0.2
E
12
0.1
S
8
0.1
S
8
Energy kJ
1
4
4
4
21
3
6
36
34
3
2
1
12
1
1
Wind waves
Height (m)
Direction
Period (s)
0.1
NE
4
0.3
NE
3
0.4
NE
4
0.1
NE
4
0.2
ENE
4
0.2
ENE
4
0.2
ENE
2
0.2
ENE
2
0.3
NE
2
0.4
NE
3
0.6
NE
4
0.8
ENE
4
Energy kJ
1
1
5
1
2
2
1
1
1
4
11
22
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
4
Distance (km)
531
523
523
523
523
523
523
128
26
26
7
12
12
537
523
578
523
523
138
117
117
117
117
276
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
1
1
2
1
1
1
2
2
2
1
2
1
3
4
3
2
2
1
2
1
3
2
4
4
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
8
5
8
6
6
7
7
9
9
8
7
5
6
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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