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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 Tuesday 05 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
9.1° C
(Which is 1.1°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: 0.8m 4s primary swell from a South direction and 0.1m 8s secondary swell from a Southeast direction, 0.1m 9s secondary swell from a East direction (forecast issued at 07:00pm May 05). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | - | - |
| Afternoon (05 May) | 2.5ft (0.7m) | 4s |
| Evening (05 May) | 2.5ft (0.8m) | 4s |
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 4mm), 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 Tue night, light winds from the NW by Thu afternoon). | ||||||||||||||||||||||||
Tue 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 4 | S 4 | E 9 | ESE 8 | S 4 | S 3 | S 4 | S 4 | S 4 | S 4 | SE 6 | SE 6 | SE 6 | SE 5 | E 9 | E 9 | SE 5 | E 9 | E 9 | SE 8 | E 8 | E 8 | ESE 11 | ESE 10 | |
19 | 24 | 2 | 7 | 12 | 11 | 15 | 27 | 24 | 17 | 16 | 8 | 8 | 7 | 7 | 6 | 14 | 6 | 6 | 11 | 13 | 12 | 22 | 33 | |
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 | off | cross-off | off | off | off | off | off | off | off | |
High Tide | 2:41PM2.52m | 2:42AM2.81m | 3:23PM2.46m | 3:26AM2.73m | 4:09PM2.41m | 4:14AM2.66m | ||||||||||||||||||
Low Tide | 8:32PM0.52m | 9:06AM0.25m | 9:15PM0.57m | 9:51AM0.33m | 10:02PM0.62m | 10:39AM0.38m | ||||||||||||||||||
 |  |  | | |  |  | | |  | |  | | | | | | | | | | | | | |
 | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — |
 | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:49 | — | — | — | — | — | — | 7:50 |
— | — | — | — | — | — | — | — | — | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 16 | 16 | 15 | 14 | 15 | 20 | 19 | 17 | 14 | 14 | 12 | 11 | 10 | 14 | 16 | 16 | 15 | 12 | 10 | 8 | 9 | 13 | 16 |
15 | 9 | 11 | 10 | 10 | 10 | 15 | 13 | 12 | 9 | 11 | 9 | 7 | 5 | 10 | 12 | 12 | 11 | 7 | 5 | 3 | 3 | 8 | 11 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | SE 8 | ESE 8 | SE 8 | 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 4 | E 9 | E 8 | E 8 | ESE 11 | ESE 10 |
 kJ | 2 | 2 | 2 | 7 | 3 | 2 | 2 | 2 | 2 | 2 | 16 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 1 | 6 | 13 | 12 | 22 | 33 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 10 | E 10 | E 9 | — | E 10 | — | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 5 | ESE 5 | ESE 5 | E 8 | SE 7 |
| kJ | 2 | 2 | 2 | 2 | 2 | 2 | — | 2 | — | 2 | 2 | 2 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 2 | 2 | 2 | 5 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | E 9 | — | — | — | — | — | — | — | — | — | — | E 7 | E 7 | — | E 7 | SE 9 | ESE 5 | SE 8 | — | E 11 | E 8 | — |
| kJ | — | — | 2 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | 3 | 3 | 11 | — | 10 | 1 | — |
Wind waves Height (m) Direction Period (s) | S 4 | S 4 | S 4 | S 4 | S 4 | S 3 | S 4 | S 4 | S 4 | S 4 | SW 3 | — | — | — | — | — | SE 5 | — | — | — | — | — | — | — |
| kJ | 19 | 24 | 17 | 17 | 12 | 11 | 15 | 27 | 24 | 17 | 3 | — | — | — | — | — | 14 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 331 | 1945 | 1945 | 565 | 1630 | 1634 | 1679 | 1823 | 1680 | 1238 | 1238 | 331 | 131 | 55 | 55 | 58 | 85 | 102 | 102 | 58 | 58 | 58 | 58 | 64 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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