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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 Thursday 23 Apr 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
7.0° C
(Which is slightly warmer than usual)How big are the waves at Nantasket Beach today?
The current surf forecast for Nantasket Beach at 5PM is: 0.2m 7s primary swell from a East direction and 0.2m 4s secondary swell from a East-southeast direction (forecast issued at 01:00pm April 23). 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 (23 Apr) | 0.5ft (0.2m) | 7s |
| Afternoon (23 Apr) | 0.5ft (0.2m) | 6s |
| Evening (23 Apr) | 1ft (0.3m) | 7s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 14°C on Thu afternoon, min 4°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 7 | E 6 | E 7 | E 7 | E 7 | E 6 | E 6 | N 4 | N 4 | NNE 4 | NE 4 | E 14 | E 15 | E 15 | E 15 | E 15 | E 14 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | E 13 | |
4 | 3 | 3 | 8 | 8 | 7 | 7 | 9 | 8 | 6 | 4 | 4 | 4 | 4 | 4 | 17 | 16 | 20 | 38 | 36 | 34 | 33 | 55 | 85 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross | off | cross-off | cross-off | cross | on | on | on | glassy | cross-on | cross | cross-on | cross-on | on | on | cross-on | cross-off | cross-off | glassy | glassy | |
High Tide | 5:16PM2.64m | 5:33AM2.92m | 6:23PM2.62m | 6:42AM2.83m | 7:29PM2.65m | 7:51AM2.79m | ||||||||||||||||||
Low Tide | 10:56AM0.00m | 11:13PM0.35m | 12:03PM0.11m | 00:23AM0.39m | 1:09PM0.17m | 1:32AM0.37m | ||||||||||||||||||
 |  | |  | | | | | | | |  | | | | |  | | |  | | | | | |
 | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:46 | — |
 | — | — | 7:32 | — | — | — | — | — | — | — | 7:34 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | 7:36 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 14 | 14 | 12 | 9 | 7 | 6 | 6 | 7 | 8 | 7 | 6 | 5 | 5 | 4 | 4 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
8 | 7 | 8 | 6 | 5 | 3 | 1 | -1 | 2 | 3 | 2 | 2 | 2 | 2 | 0 | 0 | 1 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | |
Swell 1 Height (m) Direction Period (s) | E 7 | E 6 | E 7 | E 7 | E 7 | E 6 | NNE 4 | E 6 | E 6 | NNE 4 | NE 4 | NE 4 | NE 4 | NE 4 | E 7 | E 7 | E 6 | E 6 | NE 4 | E 8 | E 8 | E 8 | ENE 13 | E 13 |
 kJ | 4 | 3 | 3 | 8 | 8 | 7 | 4 | 3 | 3 | 6 | 4 | 3 | 2 | 1 | 4 | 4 | 3 | 7 | 4 | 12 | 20 | 19 | 55 | 85 |
Swell 2 Height (m) Direction Period (s) | ESE 4 | ESE 5 | ESE 4 | E 8 | E 8 | — | E 6 | — | SE 7 | E 6 | E 6 | E 8 | E 7 | E 7 | NE 4 | E 15 | E 14 | ENE 14 | ENE 14 | NE 4 | ENE 13 | ENE 13 | E 8 | ENE 5 |
| kJ | 2 | 2 | 2 | 1 | 1 | — | 7 | — | 2 | 3 | 1 | 1 | 1 | 4 | 1 | 17 | 16 | 20 | 38 | 2 | 34 | 33 | 20 | 2 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | SE 8 | E 7 | SE 8 | SE 7 | — | SE 7 | — | E 8 | E 8 | E 14 | E 15 | E 15 | E 15 | — | — | — | E 6 | ENE 14 | NE 4 | ENE 5 | ENE 5 | NE 5 |
| kJ | 1 | 1 | 3 | 4 | 2 | 2 | — | 2 | — | 1 | 1 | 4 | 4 | 4 | 4 | — | — | — | 3 | 36 | 2 | 2 | 2 | 4 |
Wind waves Height (m) Direction Period (s) | — | NNW 3 | NNW 3 | N 4 | N 3 | N 3 | — | N 4 | N 4 | — | — | — | — | — | — | NE 4 | NE 3 | NE 4 | — | — | — | — | — | — |
| kJ | — | 3 | 6 | 4 | 2 | 1 | — | 9 | 8 | — | — | — | — | — | — | 1 | 2 | 5 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 160 | 213 | 211 | 186 | 117 | 117 | 181 | 181 | 844 | 653 | 523 | 523 | 523 | 523 | 523 | 653 | 950 | 578 | 578 | 55 | 7 | 7 | 0 | 0 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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