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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 1 pm Monday 04 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
9.2° C
(Which is 1.3°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 10PM is: 0.3m 9s primary swell from a East direction and 0.1m 9s secondary swell from a East direction (forecast issued at 01:00pm May 04). An open ocean swell of 0.5m 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 (04 May) | 3ft (0.9m) | 9s |
| Afternoon (04 May) | 2ft (0.6m) | 9s |
| Evening (04 May) | 1ft (0.3m) | 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 6mm), mostly falling on Wed night. Warm (max 24°C on Tue afternoon, min 12°C on Mon night). Winds decreasing (fresh winds from the SSW on Tue afternoon, light winds from the W by Thu morning). | ||||||||||||||||||||||||
Mon 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 9 | E 9 | E 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | S 3 | S 3 | S 4 | S 4 | E 9 | E 10 | SE 6 | S 4 | S 4 | S 4 | S 5 | SSE 6 | SE 6 | SE 6 | SE 5 | SE 5 | |
101 | 57 | 40 | 26 | 13 | 6 | 6 | 2 | 4 | 10 | 27 | 19 | 2 | 2 | 5 | 13 | 17 | 22 | 29 | 17 | 15 | 11 | 7 | 7 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 2:01PM2.59m | 2:01AM2.88m | 2:41PM2.52m | 2:42AM2.81m | 3:23PM2.46m | 3:26AM2.73m | ||||||||||||||||||
Low Tide | 7:52PM0.46m | 8:26AM0.16m | 8:32PM0.52m | 9:06AM0.25m | 9:15PM0.57m | |||||||||||||||||||
 | |  |  |  |  | | | | | | | | | |  | | | |  | | | | | |
 | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — |
 | — | — | 7:45 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | 7:49 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | 1 | — | — | |
Temp °C | 17 | 19 | 20 | 15 | 12 | 12 | 12 | 13 | 21 | 24 | 22 | 16 | 16 | 16 | 15 | 15 | 18 | 18 | 17 | 14 | 14 | 14 | 12 | 12 |
10 | 12 | 14 | 9 | 6 | 8 | 8 | 9 | 16 | 18 | 16 | 10 | 11 | 11 | 11 | 10 | 13 | 13 | 12 | 9 | 11 | 12 | 10 | 9 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | SE 5 | SE 6 | E 9 | E 9 | SE 8 | SE 6 | SE 6 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 6 | SE 6 | SE 5 | SE 5 |
 kJ | 101 | 57 | 40 | 26 | 13 | 6 | 6 | 2 | 1 | 5 | 2 | 2 | 2 | 1 | 5 | 2 | 2 | 2 | 2 | 2 | 15 | 11 | 7 | 7 |
Swell 2 Height (m) Direction Period (s) | — | — | SE 9 | E 6 | E 9 | SE 4 | SE 5 | SE 8 | E 9 | E 9 | E 9 | SE 8 | E 9 | SE 8 | E 10 | E 10 | — | — | — | E 9 | E 10 | E 10 | E 9 | E 9 |
| kJ | — | — | 3 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | — | — | — | 2 | 2 | 2 | 2 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | NE 6 | E 6 | SE 6 | SE 8 | SE 8 | S 5 | — | — | — | E 9 | E 9 | E 10 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1 | 1 | 1 | 2 | 2 | 1 | — | — | — | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 2 | WSW 3 | SW 3 | S 3 | SSW 3 | SSW 3 | SSW 3 | S 3 | S 3 | S 3 | S 4 | S 4 | S 4 | SSW 4 | SSW 4 | S 4 | S 4 | S 4 | S 5 | SSE 6 | SW 4 | SSW 3 | — | NNE 2 |
| kJ | 1 | 4 | 5 | 7 | 5 | 2 | 2 | 4 | 4 | 10 | 27 | 19 | 13 | 14 | 14 | 13 | 17 | 22 | 29 | 17 | 2 | 1 | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 58 | 2499 | 64 | 131 | 2499 | 131 | 131 | 131 | 587 | 331 | 1946 | 1954 | 1680 | 1299 | 1633 | 1679 | 1666 | 1238 | 1238 | 742 | 131 | 55 | 64 | 85 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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