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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 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 4AM is: 0.5m 5s primary swell from a Northeast direction and 0.3m 6s secondary swell from a East direction (forecast issued at 07:00pm April 23). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Apr) | 1.5ft (0.4m) | 4s |
| Afternoon (24 Apr) | 1.5ft (0.5m) | 4s |
| Evening (24 Apr) | 0.5ft (0.1m) | 14s |
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 10°C on Thu night, min 4°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 7 | E 7 | E 7 | NE 5 | NE 5 | NNE 5 | NNE 4 | NNE 4 | NE 4 | NE 4 | E 15 | E 15 | E 15 | E 15 | E 14 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | |
3 | 8 | 8 | 11 | 12 | 8 | 9 | 6 | 4 | 3 | 4 | 4 | 4 | 17 | 16 | 40 | 38 | 36 | 34 | 56 | 55 | 55 | 33 | 52 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | glassy | glassy | cross-off | cross | on | on | on | glassy | glassy | cross | cross-on | cross-on | on | on | cross-on | cross-off | glassy | glassy | cross-on | on | on | |
High Tide | 5:16PM2.64m | 5:33AM2.92m | 6:23PM2.62m | 6:42AM2.83m | 7:29PM2.65m | 7:51AM2.79m | ||||||||||||||||||
Low Tide | 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 | 12 | 10 | 8 | 7 | 6 | 6 | 7 | 7 | 7 | 6 | 5 | 5 | 5 | 4 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 8 | 9 |
8 | 7 | 5 | 5 | 3 | -1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | |
Swell 1 Height (m) Direction Period (s) | N 3 | E 7 | E 7 | NE 5 | NE 5 | 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 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 |
 kJ | 2 | 8 | 8 | 11 | 12 | 3 | 3 | 6 | 4 | 3 | 3 | 1 | 4 | 4 | 3 | 7 | 4 | 11 | 34 | 56 | 55 | 55 | 33 | 52 |
Swell 2 Height (m) Direction Period (s) | E 7 | N 3 | — | E 6 | E 6 | — | — | E 6 | E 6 | E 8 | E 7 | E 7 | — | E 15 | E 14 | ENE 14 | ENE 14 | NE 4 | E 8 | E 8 | ENE 7 | E 7 | E 8 | NE 4 |
| kJ | 3 | 1 | — | 7 | 7 | — | — | 3 | 1 | 1 | 1 | 4 | — | 17 | 16 | 20 | 38 | 2 | 11 | 10 | 10 | 9 | 11 | 1 |
Swell 3 Height (m) Direction Period (s) | ESE 4 | E 8 | — | E 7 | — | — | SE 4 | E 8 | E 8 | — | E 15 | E 15 | E 15 | — | — | ENE 14 | E 6 | ENE 14 | NE 4 | ENE 4 | ENE 5 | ENE 5 | ENE 5 | — |
| kJ | 2 | 1 | — | 1 | — | — | 1 | 1 | 1 | — | 4 | 4 | 4 | — | — | 40 | 3 | 36 | 2 | 1 | 2 | 2 | 2 | — |
Wind waves Height (m) Direction Period (s) | — | — | NE 3 | — | — | NNE 5 | NNE 4 | — | — | — | — | — | — | NE 4 | NE 3 | NE 3 | — | — | — | — | — | — | — | ENE 4 |
| kJ | — | — | 3 | — | — | 8 | 9 | — | — | — | — | — | — | 1 | 1 | 3 | — | — | — | — | — | — | — | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 211 | 117 | 117 | 117 | 160 | 181 | 655 | 653 | 558 | 523 | 523 | 523 | 523 | 653 | 556 | 950 | 128 | 58 | 12 | 0 | 0 | 28 | 28 | 523 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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