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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 Saturday 30 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
14.1° C
(Which is 2.3°C warmer than normal for this time of year)How big are the waves at Nantasket Beach today (30 May):
- Morning surf: Morning surf (30 May, local time) - 5ft (1.6m), 7s period with E swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 10ft (3.0m), 8s period with NE swell.
- Evening surf: Evening surf (30 May, local time) - 8ft (2.5m), 8s period with NE swell.
The current surf forecast for Nantasket Beach at 8PM is: 2.5m 8s primary swell from a Northeast direction (forecast issued at 01:00pm May 30). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 5ft (1.6m) | 7s |
| Afternoon (30 May) | 10ft (3.0m) | 8s |
| Evening (30 May) | 8ft (2.5m) | 8s |
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 Sat afternoon. Very mild (max 18°C on Sun afternoon, min 7°C on Sat afternoon). Winds decreasing (strong winds from the NNE on Sat afternoon, calm by Sun afternoon). | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ENE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | E 8 | |
1040 | 1489 | 1197 | 819 | 848 | 492 | 314 | 273 | 246 | 205 | 169 | 136 | 133 | 108 | 84 | 84 | 64 | 66 | 207 | 88 | 137 | 115 | 94 | 69 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | off | off | off | cross-off | cross-on | cross-on | cross-on | on | glassy | glassy | off | off | off | |
High Tide | 11:43AM2.59m | 11:40PM2.96m | 12:23PM2.57m | 00:19AM2.94m | 1:01PM2.55m | 00:58AM2.92m | ||||||||||||||||||
Low Tide | 5:30PM0.45m | 6:09AM0.08m | 6:09PM0.47m | 6:47AM0.10m | 6:48PM0.49m | 7:25AM0.13m | ||||||||||||||||||
 | | |  |  |  | |  | |  | | |  |  | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — |
 | — | — | — | 8:10 | — | — | — | — | — | — | — | 8:12 | — | — | — | — | — | — | — | 8:13 | — | — | — | 8:14 |
3 | 4 | 1 | — | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 8 | 7 | 9 | 10 | 10 | 8 | 8 | 10 | 15 | 18 | 16 | 13 | 14 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 |
-3 | -3 | 0 | 3 | 5 | 4 | 4 | 6 | 11 | 16 | 14 | 11 | 11 | 9 | 9 | 8 | 7 | 6 | 7 | 9 | 9 | 8 | 8 | 9 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | E 8 |
 kJ | — | — | — | — | 659 | 492 | 314 | 273 | 246 | 205 | 169 | 136 | 133 | 108 | 84 | 84 | 64 | 66 | 207 | 88 | 137 | 115 | 94 | 69 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 5 | ENE 5 | NNE 4 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 28 | 19 | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | — | — | NW 3 | WNW 3 | — | — | — | W 2 | W 2 | W 2 | NW 3 | NNE 3 | ENE 5 | ENE 5 | ENE 5 | — | — | — | — |
| kJ | 1040 | 1489 | 1197 | 819 | 848 | — | — | 2 | 1 | — | — | — | 1 | 1 | 1 | 2 | 4 | 48 | 43 | 19 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 128 | 660 | 660 | 893 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 40 | 128 | 32 | 32 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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