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Nantasket Beach Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Nantasket Beach surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 7 pm Wednesday 06 May 2026 EDTForecast 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
9.0° C
(Which is slightly warmer than usual)How big are the waves at Nantasket Beach today?
The current surf forecast for Nantasket Beach at 1AM is: 0.5m 6s primary swell from a Southeast direction and 0.1m 10s secondary swell from a East direction (forecast issued at 07:00pm May 06). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 1.5ft (0.4m) | 5s |
| Afternoon (07 May) | 0.5ft (0.2m) | 9s |
| Evening (07 May) | 0.5ft (0.2m) | 9s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Wed night. Very mild (max 17°C on Thu afternoon, min 9°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 6 | Thursday 7 | Friday 8 | Sat 9 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 4 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 9 | ESE 10 | ESE 9 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | |
26 | 19 | 20 | 16 | 8 | 8 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 20 | 29 | 48 | 48 | 64 | 60 | 59 | 41 | 40 | 39 | 39 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | cross-off | off | off | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | |
High Tide | 3:23PM2.46m | 3:26AM2.73m | 4:09PM2.41m | 4:14AM2.66m | 4:58PM2.39m | 5:06AM2.62m | ||||||||||||||||||
Low Tide | 9:15PM0.57m | 9:51AM0.33m | 10:02PM0.62m | 10:39AM0.38m | 10:53PM0.64m | 11:30AM0.40m | ||||||||||||||||||
 |  | | |  |  |  | | |  |  | | | |  | | | | | | | | | | |
 | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — |
 | 7:47 | — | — | — | — | — | — | — | 7:49 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | 7:51 |
2 | 5 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 16 | 14 | 14 | 13 | 11 | 10 | 13 | 17 | 16 | 15 | 12 | 10 | 9 | 9 | 12 | 14 | 15 | 13 | 11 | 10 | 9 | 10 | 14 | 13 |
11 | 10 | 11 | 11 | 8 | 6 | 9 | 12 | 10 | 11 | 7 | 6 | 3 | 5 | 8 | 10 | 9 | 9 | 7 | 6 | 5 | 6 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | E 9 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | E 8 | E 9 | ESE 8 | ESE 9 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
 kJ | 2 | 19 | 20 | 16 | 8 | 8 | 6 | 3 | 3 | 3 | 3 | 6 | 6 | 14 | 29 | 48 | 48 | 64 | 60 | 59 | 41 | 40 | 39 | 39 |
Swell 2 Height (m) Direction Period (s) | — | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 5 | ESE 5 | ESE 10 | — | — | — | — | — | — | — | — | — | E 13 |
| kJ | — | 2 | 2 | 2 | 2 | 7 | 7 | 6 | 6 | 6 | 6 | 3 | 2 | 20 | — | — | — | — | — | — | — | — | — | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 3 | NNW 3 | SE 9 | SE 9 | SE 9 | SE 8 | E 8 | E 8 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 1 | 1 | 3 | 3 | 3 | 2 | 5 | 1 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 4 | SSW 4 | SW 3 | SW 4 | — | NW 2 | NNW 3 | — | NW 2 | — | WNW 2 | WNW 2 | — | — | WNW 2 | — | — | — | — | W 2 | — | — | — | S 3 |
| kJ | 26 | 7 | 1 | 3 | — | 1 | 1 | — | 1 | — | 1 | 1 | — | — | 1 | — | — | — | — | 1 | — | — | — | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 331 | 331 | 314 | 26 | 55 | 69 | 90 | 99 | 110 | 90 | 90 | 91 | 58 | 58 | 55 | 12 | 12 | 0 | 0 | 7 | 12 | 12 | 12 | 961 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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