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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 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 4s secondary swell from a Southeast direction (forecast issued at 07:00pm May 04). An open ocean swell of 0.4m 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) | - | - |
| 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 ForecastModerate rain (total 12mm), heaviest on Wed night. Warm (max 24°C on Tue afternoon, min 11°C on Wed night). Winds decreasing (fresh winds from the SSW on Tue night, calm by Thu afternoon). | ||||||||||||||||||||||||
Mon 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | S 3 | S 4 | S 4 | S 4 | E 9 | E 10 | E 10 | S 4 | S 4 | S 4 | S 4 | S 6 | SE 6 | SE 6 | SE 6 | SE 5 | E 9 | E 9 | |
40 | 26 | 13 | 6 | 6 | 2 | 4 | 16 | 20 | 18 | 2 | 2 | 3 | 12 | 17 | 27 | 27 | 30 | 12 | 11 | 8 | 7 | 7 | 6 | |
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-off | cross-off | cross-off | cross-off | glassy | glassy | |
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 | 9:51AM0.33m | ||||||||||||||||||
 |  |  |  | | |  | | | | | | | | |  | |  | |  | | | | | |
 | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — |
 | 7:45 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | 7:49 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 4 | 3 | — | — | — | — | |
Temp °C | 20 | 14 | 12 | 12 | 12 | 14 | 21 | 24 | 22 | 16 | 16 | 15 | 14 | 14 | 19 | 18 | 17 | 15 | 14 | 14 | 11 | 11 | 14 | 16 |
14 | 8 | 7 | 7 | 8 | 10 | 16 | 18 | 16 | 10 | 11 | 10 | 10 | 9 | 14 | 13 | 12 | 10 | 11 | 13 | 9 | 8 | 12 | 14 | |
Swell 1 Height (m) Direction Period (s) | E 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SE 6 | E 9 | E 9 | SE 8 | SE 8 | SE 8 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 6 | SE 6 | SE 6 | SE 5 | ESE 5 | ESE 5 |
 kJ | 40 | 26 | 13 | 6 | 6 | 2 | 2 | 5 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 12 | 11 | 8 | 7 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | S 5 | E 6 | SE 4 | SE 8 | SE 5 | SE 8 | — | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | — | — | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 |
| kJ | 1 | 1 | 1 | 2 | 1 | 2 | — | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | — | — | 2 | 2 | 2 | 2 | 7 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | NE 6 | — | E 9 | — | SE 8 | S 5 | — | — | — | — | — | E 10 | — | — | — | — | — | — | — | — | — | — | SE 7 | E 7 |
| kJ | 1 | — | 2 | — | 2 | 1 | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | 2 | 1 |
Wind waves Height (m) Direction Period (s) | SW 3 | S 3 | SSW 3 | SSW 3 | SSW 3 | SSW 3 | S 3 | S 4 | S 4 | S 4 | S 4 | SSW 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 6 | SSW 3 | SSW 3 | — | — | — | — |
| kJ | 3 | 7 | 4 | 2 | 1 | 3 | 4 | 16 | 20 | 18 | 13 | 18 | 13 | 12 | 17 | 27 | 27 | 30 | 2 | 1 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2499 | 2499 | 131 | 131 | 131 | 131 | 1946 | 1946 | 1946 | 1949 | 1954 | 1630 | 75 | 1238 | 1680 | 1945 | 1238 | 1237 | 108 | 26 | 55 | 58 | 58 | 131 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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