Nantasket Beach surf break

Nantasket Beach surfForecast / Massachusetts / USA

information circle16 Day Weather and Surf, issued 7 pm Sunday 10 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
10.2° C
(Which is 1.6°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Nantasket Beach this week:

The surf forecast for Nantasket Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 12) at 5AM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.1m and 14s. Another secondary swell of 0.4m and 3s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Nantasket Beach in the next 16 days are 1.0m 9s and forecast to arrive on Friday (May 15) at 5PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Saturday (May 16) at 5AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 12th May)2.5ft (0.7m) 8s
Best Surf 5AM (Tue 12th May)2.5ft (0.7m) 8s
Most Powerful 5PM (Fri 15th May)3.5ft (1.0m) 9s

Table - best surf conditions forecast for Nantasket Beach over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Sun night. Very mild (max 18°C on Sun night, min 8°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Moderate rain (total 18mm), heaviest on Thu morning. Warm (max 21°C on Sat afternoon, min 10°C on Thu night). Winds decreasing (fresh winds from the S on Wed night, calm by Fri night).

Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sun
17
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
E
8
0.6
E
8
0.6
E
8
0.7
E
8
0.6
E
8
0.5
E
8
0.4
ESE
7
0.3
ESE
7
0.6
SSE
4
0.6
SE
6
0.9
SE
6
1.1
SE
6
0.9
E
7
0.9
E
8
1
E
9
0.9
E
9
0.8
E
9
0.7
E
9
0.7
E
9
0.5
E
9
0.5
E
10
Wave Graph
Metric surfscale
Energy kJ
49
45
42
71
45
29
18
9
11
32
54
101
81
112
155
123
106
85
85
41
46
Wind (km/h)
10
WNW
10
NNW
10
SSE
15
NNW
5
N
5
SE
5
WSW
20
SSW
25
S
20
S
20
SSE
10
SSE
5
NNE
10
NNW
5
NE
10
WNW
10
WNW
5
WSW
5
W
10
E
10
ENE
cross-off
cross-off
cross-on
cross-off
cross
glassy
cross-off
cross-off
cross-off
cross
cross
cross
glassy
cross-off
glassy
cross-off
cross-off
cross-off
off
on
cross-on
High Tide
6:54AM2.63m
7:29PM2.63m
7:49AM2.68m
8:19PM2.81m
8:45AM2.76m
9:08PM3.00m
9:39AM2.85m
9:56PM3.20m
10:31AM2.94m
10:44PM3.36m
11:22AM3.00m
11:33PM3.47m
12:14PM3.02m
Low Tide
00:42AM0.53m
1:10PM0.34m
1:37AM0.40m
2:01PM0.27m
2:33AM0.22m
2:52PM0.19m
3:27AM0.01m
3:41PM0.09m
4:18AM-0.19m
4:30PM0.02m
5:09AM-0.35m
5:19PM-0.03m
6:00AM-0.45m
6:10PM-0.04m
rain showers
part cloud
cloud
part cloud
clear
cloud
part cloud
part cloud
cloud
light rain
heavy rain
rain showers
part cloud
cloud
rain showers
rain showers
part cloud
cloud
part cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:26
5:24
5:24
5:22
5:22
5:20
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:52
7:52
7:53
7:54
7:55
7:57
7:58
7:59
2
1
14
1
1
1
2
Temp °C
18
13
14
13
12
14
14
16
15
13
13
15
14
11
14
14
17
21
20
14
12
17
8
11
9
8
11
10
10
8
7
9
14
13
9
13
14
14
19
18
12
11
Swell 1
Height (m)
Direction
Period (s)
0.6
E
8
0.6
E
8
0.6
E
8
0.7
E
8
0.6
E
8
0.5
E
8
0.4
ESE
7
0.3
ESE
7
0.3
E
7
0.2
E
10
0.2
E
10
0.9
ESE
6
0.9
E
7
0.9
E
8
1
E
9
0.9
E
9
0.8
E
9
0.7
E
9
0.7
E
9
0.5
E
9
0.5
E
10
Energy kJ
49
45
42
71
45
29
18
9
8
8
8
57
81
112
155
123
106
85
85
41
46
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
8
0.1
E
12
0.1
E
12
0.2
NNE
4
0.3
E
7
0.2
E
7
0.2
E
10
0.1
E
13
0.1
E
10
0.6
SE
9
0.2
N
3
0.1
NE
4
Energy kJ
24
3
3
1
8
4
8
3
2
49
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
E
12
0.1
E
14
0.1
E
12
0.2
E
11
0.2
E
10
Energy kJ
3
4
3
9
8
Wind waves
Height (m)
Direction
Period (s)
0.3
NNE
4
0.6
SSE
4
0.6
SE
6
0.9
SE
6
1.1
SE
6
0.2
NNW
2
0.2
WNW
3
0.3
W
2
0.2
NNW
2
0.4
SE
3
Energy kJ
3
11
32
54
101
1
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
1
1
1
Distance (km)
0
7
26
7
28
12
55
81
2683
805
131
26
0
0
0
0
0
0
0
40
28
Best forecast wave conditions in Massachusetts
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
1
2
2
1
1
2
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
3
3
1
3
3
2
3
1
1
2
3
2
3
2
2
2
4
2
4
1
Header Global
Rating
(10 max)
6
5
5
9
9
8
9
5
6
5
5
7
5
5
5
5
4
5
5
4
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Nantasket Beach Surf forecast

The above surf forecast table for Nantasket Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Nantasket Beach can be found by selecting the local surf guide option on the grey menu. Our Nantasket Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Nantasket Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Nantasket Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Nantasket Beach is 8 km (5 miles) from the city of Hingham. If you plan a vacation in Massachusetts, look for hotels and other accommodation in Hingham. Hingham has rooms for a wide range of budgets as well as car hire and transport links.

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