
Surf Forecasts:
How big are the waves at Nantasket Beach today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 0.5ft (0.1m), 9s period with E swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 0.5ft (0.1m), 12s period with E swell.
- Evening surf: Evening surf (11 Aug, local time) - 0.5ft (0.1m), 9s period with E swell.
The current surf forecast for Nantasket Beach at 1AM is: 0.1m 10s primary swell from a East direction and 0.1m 8s secondary swell from a East direction (forecast issued at 07:00pm August 10). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 0.5ft (0.1m) | 9s |
| Afternoon (11 Aug) | 0.5ft (0.1m) | 12s |
| Evening (11 Aug) | 0.5ft (0.1m) | 9s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 31°C on Tue afternoon, min 21°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||||
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 | |
Swell Height Map | |||||||||||||||||||
Wave Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 12 | E 9 | E 9 | E 9 | E 9 | E 15 | E 15 | E 15 | E 9 | E 9 | E 14 | E 14 |
Wave Graph | |||||||||||||||||||
2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 4 | 5 | 4 | 1 | 1 | 4 | 4 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross-off |
High Tide | 9:50PM3.23m | 10:34AM2.78m | 10:48PM3.30m | 11:28AM2.90m | |||||||||||||||
Low Tide | 3:30PM0.19m | 4:21AM-0.16m | 4:29PM0.08m | 5:15AM-0.25m | 5:25PM-0.02m | ||||||||||||||
— | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | |
7:52 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:49 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 26 | 25 | 23 | 22 | 24 | 28 | 31 | 31 | 28 | 25 | 23 | 22 | 22 | 26 | 27 | 25 | 24 | 22 |
Feels °C | 28 | 26 | 25 | 24 | 23 | 24 | 26 | 28 | 28 | 27 | 24 | 22 | 21 | 21 | 25 | 25 | 24 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | — | E 8 | E 8 | E 8 | E 7 | E 7 | E 8 | — | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
1 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | — | E 9 | E 8 | E 9 | — | E 9 | E 8 | E 8 |
2 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | — | 2 | 1 | 1 | — | 1 | 1 | 1 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 10 | — | — | — | E 12 | — | S 5 | E 9 | E 9 | E 15 | E 15 | E 15 | E 9 | — | E 14 | E 14 |
— | — | — | 2 | — | — | — | 3 | — | 1 | 2 | 2 | 4 | 5 | 4 | 1 | — | 4 | 4 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | WNW 2 | NW 3 | — | — | — | — | — | — | NNE 2 | — | — | — |
— | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | 1 | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 531 | 531 | 523 | 655 | 225 | 1051 | 1051 | 2511 | 3546 | 578 | 165 | 653 | 950 | 655 | 984 | 950 | 578 | 531 | 311 |
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)











