
- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:

Nantasket Beach surfForecast / Massachusetts / USA
Forecast 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
10.2° C
(Which is 1.2°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 6PM is: 0.6m 4s primary swell from a South-southeast direction and 0.2m 7s secondary swell from a East-southeast direction, 0.2m 7s secondary swell from a East direction (forecast issued at 01:00pm May 13). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 1ft (0.3m) | 7s |
| Afternoon (13 May) | 0.5ft (0.2m) | 10s |
| Evening (13 May) | 2ft (0.6m) | 4s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 19mm), heaviest on Thu afternoon. Very mild (max 18°C on Sat morning, min 9°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | ||||||||||||||||||||||||
ESE 7 | ESE 7 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SE 5 | SE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | E 7 | E 7 | E 7 | ESE 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | |
10 | 9 | 11 | 15 | 11 | 8 | 10 | 13 | 55 | 74 | 67 | 196 | 128 | 134 | 123 | 118 | 369 | 371 | 377 | 369 | 306 | 246 | 202 | 164 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | on | on | glassy | off | glassy | cross-on | cross-on | cross | cross-on | cross | cross-off | cross-off | off | cross-off | cross-off | |
High Tide | 8:45AM2.76m | 9:08PM3.00m | 9:39AM2.85m | 9:56PM3.20m | 10:31AM2.94m | 10:44PM3.36m | ||||||||||||||||||
Low Tide | 2:52PM0.19m | 3:27AM0.01m | 3:41PM0.09m | 4:18AM-0.19m | 4:30PM0.02m | 5:09AM-0.35m | ||||||||||||||||||
— | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | |
— | — | 7:54 | — | — | — | — | — | — | — | 7:55 | — | — | — | — | — | — | — | 7:57 | — | — | — | — | 7:58 | |
— | 1 | — | — | — | — | — | — | — | 1 | 14 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 13 | 17 | 15 | 14 | 14 | 13 | 14 | 14 | 13 | 11 | 11 | 11 | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 12 |
9 | 9 | 12 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 9 | 11 | 10 | 12 | 10 | 9 | 8 | 5 | 6 | 6 | 8 | 8 | 7 | 9 | |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | E 6 | E 7 | E 7 | E 7 | E 7 | E 10 | E 10 | E 10 | ESE 6 | E 7 | E 7 | E 7 | E 7 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 |
10 | 9 | 4 | 3 | 4 | 4 | 4 | 4 | 2 | 2 | 2 | 115 | 128 | 134 | 123 | 97 | 369 | 371 | 377 | 369 | 306 | 246 | 202 | 164 | |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | SE 7 | SE 7 | E 10 | E 10 | E 10 | — | — | — | E 11 | — | — | ESE 9 | ESE 9 | — | — | — | — | NNE 5 | — | — | — |
4 | 4 | 4 | 2 | 2 | 2 | 2 | 2 | — | — | — | 2 | — | — | 28 | 118 | — | — | — | — | 9 | — | — | — | |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | SE 7 | E 13 | E 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
8 | 8 | 8 | 8 | 2 | 2 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SE 5 | SE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | — | — | — | — | — | — | — | NNE 5 | — | — | WSW 2 | WSW 3 |
— | — | 11 | 15 | 11 | 8 | 10 | 13 | 55 | 74 | 67 | 196 | — | — | — | — | — | — | — | 9 | — | — | 1 | 1 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1130 | 1713 | 1806 | 961 | 442 | 399 | 336 | 225 | 131 | 104 | 91 | 0 | 0 | 0 | 7 | 32 | 17 | 32 | 17 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
















