Nantasket Beach surf break

Nantasket Beach surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 1 am Saturday 02 May 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
8.8° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Nantasket Beach today?

The current surf forecast for Nantasket Beach at 8AM is: 0.8m 9s primary swell from a East direction (forecast issued at 01:00am May 02). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (02 May)2.5ft (0.8m)9s
Afternoon (02 May)2.5ft (0.8m)9s
Evening (02 May)2.5ft (0.8m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 10mm), heaviest on Sat afternoon. Very mild (max 17°C on Mon afternoon, min 7°C on Sat night). Wind will be generally light.

Saturday
2
Sunday
3
Monday
4
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)
1
1
1
1
1
1
1
0
0
0
0
0
1
0
0
1
1
0
0
0
1
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>
Wave
Height (m)
Direction
Period (s)
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.7
E
9
0.7
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.8
E
8
0.9
E
9
1
E
9
0.9
E
9
0.8
E
9
0.7
E
9
0.6
E
9
0.4
ENE
8
0.3
E
8
Wave Graph
Metric surfscale
Energy kJ
95
93
95
93
93
97
97
99
99
97
73
69
68
66
68
90
123
157
127
101
76
54
24
12
Wind (km/h)
10
SW
10
SSW
15
SSW
15
SSW
20
WSW
10
SSW
5
SW
5
N
10
N
10
NNE
20
N
15
NNW
10
NW
20
NW
15
WNW
15
W
15
WSW
15
WSW
20
WSW
25
WSW
20
W
15
SW
20
SSW
20
SSW
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
High Tide
00:08AM3.01m
12:44PM2.71m
00:45AM2.99m
1:22PM2.65m
1:22AM2.94m
2:01PM2.59m
Low Tide
6:31AM-0.01m
6:36PM0.34m
7:09AM0.02m
7:13PM0.40m
7:47AM0.09m
7:52PM0.46m
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
part cloud
light rain
cloud
part cloud
clear
clear
part cloud
clear
part cloud
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:35
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:43
7:44
7:45
1
2
1
1
1
2
1
1
Temp °C
10
9
9
14
11
10
10
9
8
7
7
8
12
13
11
9
7
7
10
15
17
17
15
11
7
6
5
9
7
8
8
7
5
4
2
3
7
6
6
5
2
2
4
8
11
13
11
7
Swell 1
Height (m)
Direction
Period (s)
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
9
0.7
E
9
0.7
E
8
0.7
NNE
5
0.7
NE
5
0.7
E
8
0.8
E
8
0.9
E
9
1
E
9
0.9
E
9
0.8
E
9
0.7
E
9
0.6
E
9
0.4
ENE
8
0.3
E
8
Energy kJ
95
93
95
93
93
97
97
99
99
97
73
69
22
30
68
90
123
157
127
101
76
54
24
12
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
4
0.2
ESE
5
0.7
E
8
0.7
E
8
0.7
NE
6
0.5
NE
5
0.4
NE
5
0.1
NE
4
0.2
SSE
5
0.1
SE
8
Energy kJ
4
2
68
66
32
13
6
1
3
3
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.4
SSE
4
0.6
SSE
4
0.4
SSE
4
0.3
N
2
0.5
N
3
0.6
N
4
1
N
5
0.3
WNW
2
0.3
WSW
2
0.3
SW
2
0.3
SW
2
0.4
S
2
0.4
S
2
Energy kJ
6
15
5
1
6
12
55
1
1
1
1
2
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
Distance (km)
0
0
0
0
0
0
0
17
7
17
28
28
0
17
7
0
0
12
26
26
0
7
55
64
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
2
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
1
3
1
3
3
2
2
2
3
3
4
4
4
3
4
4
4
4
4
3
3
1
2
2
Header Global
Rating
(10 max)
5
5
4
4
4
4
4
4
4
4
4
5
4
4
4
4
4
5
5
5
4
5
4
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

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