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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 am 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 12PM is: 0.9m 4s primary swell from a South direction and 0.1m 10s secondary swell from a East direction, 0.1m 10s secondary swell from a East direction (forecast issued at 07:00am May 06). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 2.5ft (0.8m) | 4s |
| Afternoon (06 May) | 3ft (0.9m) | 4s |
| Evening (06 May) | 2ft (0.6m) | 6s |
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. Warm (max 20°C on Wed morning, min 8°C on Thu night). Winds decreasing (fresh winds from the SSW on Wed afternoon, light winds from the W by Fri night). | ||||||||||||||||||||||||
Wednesday 6 | Thursday 7 | Friday 8 | Sat 9 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 4 | S 4 | S 4 | S 4 | S 4 | SSE 6 | SE 6 | SE 6 | SE 6 | SE 5 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 9 | ESE 10 | ESE 10 | E 10 | E 10 | E 9 | E 9 | |
17 | 16 | 17 | 23 | 18 | 24 | 11 | 8 | 11 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 14 | 19 | 31 | 47 | 46 | 43 | 42 | |
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 | off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | cross-off | |
High Tide | 2:42AM2.81m | 3:23PM2.46m | 3:26AM2.73m | 4:09PM2.41m | 4:14AM2.66m | 4:58PM2.39m | ||||||||||||||||||
Low Tide | 9:06AM0.25m | 9:15PM0.57m | 9:51AM0.33m | 10:02PM0.62m | 10:39AM0.38m | 10:53PM0.64m | ||||||||||||||||||
 |  |  | |  |  | | | | | |  | | | |  | | | | | | | | | |
 | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | 5:28 |
 | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:49 | — | — | — | — | — | — | — | 7:50 | — | — | 7:51 |
— | — | — | — | 1 | 4 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 15 | 20 | 19 | 16 | 14 | 14 | 14 | 11 | 11 | 14 | 16 | 17 | 15 | 12 | 9 | 8 | 9 | 12 | 15 | 15 | 14 | 11 | 10 |
9 | 10 | 15 | 13 | 12 | 11 | 11 | 12 | 8 | 7 | 11 | 12 | 13 | 10 | 7 | 4 | 3 | 3 | 6 | 8 | 8 | 10 | 7 | 6 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 9 | E 10 | SE 6 | SE 6 | SE 6 | SE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | E 8 | E 9 | ESE 10 | ESE 10 | E 10 | E 10 | E 9 | E 9 |
 kJ | 2 | 2 | 2 | 2 | 2 | 2 | 11 | 8 | 11 | 7 | 6 | 3 | 3 | 3 | 3 | 3 | 6 | 14 | 19 | 31 | 47 | 46 | 43 | 42 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 10 | — | — | E 9 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | ESE 5 | ESE 8 | E 8 | — | — | WNW 3 | — | — |
| kJ | 2 | 2 | 2 | — | — | 2 | 2 | 2 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 3 | 6 | 1 | — | — | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | E 7 | E 7 | — | E 9 | E 9 | SE 9 | — | E 12 | E 8 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 6 | 1 | 3 | — | 3 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 4 | S 4 | S 4 | S 4 | S 4 | SSE 6 | SSW 3 | SSW 2 | WSW 3 | — | — | — | — | — | — | NW 2 | WNW 2 | WNW 2 | WNW 2 | WNW 2 | WNW 3 | — | WSW 2 | SW 3 |
| kJ | 17 | 16 | 17 | 23 | 18 | 24 | 1 | 1 | 1 | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 3 | — | 1 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1237 | 1237 | 1238 | 1238 | 331 | 331 | 131 | 67 | 55 | 67 | 90 | 88 | 85 | 90 | 58 | 117 | 58 | 69 | 55 | 55 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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