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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 Friday 15 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
10.4° C
(Which is slightly warmer than usual)How big are the waves at Nantasket Beach today?
The current surf forecast for Nantasket Beach at 1AM is: 1.2m 10s primary swell from a East direction (forecast issued at 07:00pm May 15). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 3.5ft (1.0m) | 9s |
| Afternoon (16 May) | 2.5ft (0.8m) | 9s |
| Evening (16 May) | 2ft (0.6m) | 9s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 27°C on Sun afternoon, min 10°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | E 18 | |
379 | 327 | 279 | 273 | 216 | 171 | 134 | 104 | 78 | 56 | 38 | 36 | 22 | 23 | 22 | 13 | 13 | 12 | 6 | 6 | 6 | 15 | 9 | 6 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-off | glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | off | cross | cross-on | on | on | cross-on | cross-on | |
High Tide | 10:44PM3.36m | 11:22AM3.00m | 11:33PM3.47m | 12:14PM3.02m | 00:24AM3.51m | 1:08PM3.00m | ||||||||||||||||||
Low Tide | 4:30PM0.02m | 5:09AM-0.35m | 5:19PM-0.03m | 6:00AM-0.45m | 6:10PM-0.04m | 6:53AM-0.47m | ||||||||||||||||||
 |  |  | | |  | | | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — |
 | 7:57 | — | — | — | — | — | — | — | 7:58 | — | — | — | — | — | — | — | 7:59 | — | — | — | — | — | — | 8:00 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 11 | 11 | 11 | 12 | 19 | 23 | 24 | 18 | 15 | 16 | 16 | 19 | 24 | 27 | 27 | 26 | 21 | 17 | 15 | 14 | 16 | 20 |
7 | 8 | 10 | 9 | 8 | 8 | 15 | 19 | 19 | 13 | 10 | 12 | 13 | 18 | 21 | 24 | 24 | 24 | 19 | 15 | 13 | 11 | 12 | 16 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
 kJ | 379 | 327 | 279 | 273 | 216 | 171 | 134 | 104 | 78 | 56 | 38 | 36 | 22 | 23 | 22 | 13 | 13 | 12 | 6 | 6 | 6 | 6 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SE 4 | SE 5 | — | E 8 | E 8 | E 8 | — | SE 4 | SE 4 | — | SE 8 | SE 8 | NNE 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 12 | 5 | 5 | — | 1 | 1 | — | 15 | 9 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 6 | — | — | — | — | — | — | — | — | — | E 18 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | WSW 2 | WSW 2 | SSW 2 | S 4 | S 5 | S 3 | SSW 3 | SW 3 | — | — | — | — | — | — | NNE 3 | NE 3 | NE 3 | ENE 4 | ENE 3 |
| kJ | — | — | — | — | — | 1 | 1 | 1 | 2 | 16 | 4 | 3 | 1 | — | — | — | — | — | — | 1 | 2 | 3 | 2 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 26 | 75 | 1230 | 58 | 55 | 12 | 31 | 64 | 67 | 67 | 91 | 91 | 90 | 118 | 117 | 523 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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