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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 29 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
13.4° C
(Which is 1.7°C warmer than normal for this time of year)How big are the waves at Nantasket Beach today (29 May):
- Afternoon surf: Afternoon surf (29 May, local time) - 1.5ft (0.4m), 6s period with ENE swell.
- Evening surf: Evening surf (29 May, local time) - 2ft (0.6m), 8s period with ENE swell.
The current surf forecast for Nantasket Beach at 10PM is: 0.6m 8s primary swell from a East-northeast direction and 0.1m 8s secondary swell from a Southeast direction, 0.4m 3s secondary swell from a Southeast direction (forecast issued at 07:00pm May 29). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | - | - |
| Afternoon (29 May) | 1.5ft (0.4m) | 6s |
| Evening (29 May) | 2ft (0.6m) | 8s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 37mm), heaviest during Mon morning. Very mild (max 17°C on Sun afternoon, min 7°C on Sat afternoon). Winds decreasing (strong winds from the NNE on Sat afternoon, calm by Sun morning). | ||||||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Mon 1 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ENE 6 | ENE 8 | ENE 8 | E 9 | E 9 | E 9 | NE 8 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 8 | E 8 | ENE 8 | |
18 | 45 | 51 | 76 | 79 | 101 | 836 | 2160 | 1833 | 1272 | 975 | 940 | 579 | 436 | 315 | 252 | 205 | 177 | 186 | 154 | 119 | 116 | 113 | 96 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | cross | cross-off | off | cross-off | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | glassy | cross | cross-on | cross-off | off | off | off | cross-off | glassy | cross | |
High Tide | 11:03PM2.96m | 11:43AM2.59m | 11:40PM2.96m | 12:23PM2.57m | 00:19AM2.94m | 1:01PM2.55m | ||||||||||||||||||
Low Tide | 4:51PM0.43m | 5:30AM0.08m | 5:30PM0.45m | 6:09AM0.08m | 6:09PM0.47m | 6:47AM0.10m | ||||||||||||||||||
 |  |  | |  | | | | |  |  | | |  | |  | | | | | |  | | | |
 | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — |
 | — | 8:09 | — | — | — | — | — | — | — | 8:10 | — | — | — | — | — | — | — | 8:12 | — | — | — | — | — | 8:13 |
— | 1 | 2 | 4 | — | — | 2 | 3 | 2 | 1 | — | — | — | — | — | — | — | 2 | 1 | 1 | 2 | 6 | 8 | 1 | |
Temp °C | 17 | 14 | 13 | 11 | 9 | 9 | 10 | 7 | 9 | 10 | 10 | 8 | 8 | 10 | 15 | 17 | 14 | 13 | 13 | 12 | 11 | 11 | 11 | 13 |
14 | 12 | 9 | 6 | 4 | 6 | 1 | -4 | 1 | 3 | 5 | 4 | 4 | 7 | 13 | 14 | 11 | 12 | 11 | 9 | 9 | 9 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | ENE 6 | ENE 8 | ENE 8 | E 9 | E 9 | E 9 | ENE 8 | — | — | — | — | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 8 | E 8 | ENE 8 |
 kJ | 18 | 45 | 51 | 76 | 79 | 101 | 150 | — | — | — | — | 747 | 579 | 436 | 315 | 252 | 205 | 177 | 186 | 154 | 119 | 116 | 113 | 96 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | SE 8 | SE 8 | — | SE 8 | S 7 | NNW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 12 | 3 | 3 | — | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | E 8 | — | — | — | — | — | S 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SE 3 | SE 3 | SE 3 | — | NW 2 | NE 8 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | — | — | — | — | SE 2 | — | — | WNW 3 | WNW 3 | — | — | — |
| kJ | — | 3 | 2 | 5 | — | 1 | 836 | 2160 | 1833 | 1272 | 975 | 940 | — | — | — | — | 1 | — | — | 2 | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 523 | 537 | 523 | 7 | 0 | 0 | 32 | 660 | 893 | 108 | 7 | 0 | 0 | 0 | 0 | 7 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 32 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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