Surf Forecasts:
How big are the waves at Nantasket Beach today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 0.5ft (0.1m), 15s period with E swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 0.5ft (0.1m), 14s period with E swell.
- Evening surf: Evening surf (12 Aug, local time) - 0.5ft (0.1m), 14s period with E swell.
The current surf forecast for Nantasket Beach at 5AM is: 0.1m 15s primary swell from a East direction and 0.1m 8s secondary swell from a East direction, 0.1m 9s secondary swell from a East direction (forecast issued at 01:00am August 12). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 0.5ft (0.1m) | 15s |
| Afternoon (12 Aug) | 0.5ft (0.1m) | 14s |
| Evening (12 Aug) | 0.5ft (0.1m) | 14s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu morning. Warm (max 29°C on Thu afternoon, min 19°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | E 9 | E 15 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 11 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 10 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 2 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off |
High Tide | 11:28AM2.90m | 11:43PM3.33m | 12:20PM3.00m | 00:36AM3.31m | 1:10PM3.07m | |||||||||||||||||||
Low Tide | 5:15AM-0.25m | 5:25PM-0.02m | 6:07AM-0.30m | 6:20PM-0.08m | 6:56AM-0.29m | 7:12PM-0.10m | ||||||||||||||||||
 | |  | |  | | |  |  | |  | | |  | | | | | | | | | | | |
 | — | 5:47 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:49 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 22 | 23 | 26 | 26 | 26 | 24 | 23 | 23 | 21 | 19 | 26 | 29 | 29 | 26 | 23 | 21 | 20 | 20 | 23 | 26 | 27 | 24 | 22 |
Feels °C | 23 | 22 | 23 | 25 | 24 | 24 | 24 | 23 | 22 | 19 | 19 | 25 | 28 | 28 | 24 | 21 | 19 | 18 | 16 | 18 | 23 | 24 | 22 | 19 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSE 3 | — | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | N 4 | N 4 | N 3 | N 3 | E 9 |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 3 | 1 | 1 | 2 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 8 | E 8 | E 9 | E 9 | E 8 | E 9 | E 8 | E 8 | E 7 | E 14 | E 14 | — | E 13 | E 13 | E 13 | E 13 | E 13 | E 10 | E 10 | — | E 9 | — |
| kJ | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 4 | — | 3 | 3 | 3 | 3 | 3 | 2 | 2 | — | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | E 15 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 11 | E 14 | E 14 | E 7 | E 7 | E 13 | E 7 | E 7 | — | E 8 | E 10 | E 13 | E 13 | E 10 | — | — |
| kJ | — | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 2 | 4 | 4 | 1 | 1 | 3 | 1 | 1 | — | 1 | 2 | 3 | 3 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 2 | N 3 | — | — | — | — | SSE 2 | S 3 | — | S 3 | — | — | — | — | — | — | NNW 3 | NNW 3 | NNW 3 | — | — | — | — |
| kJ | — | 1 | 1 | — | — | — | — | 1 | 2 | — | 1 | — | — | — | — | — | — | 1 | 1 | 2 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 653 | 2499 | 1838 | 2520 | 950 | 653 | 531 | 531 | 653 | 165 | 117 | 228 | 165 | 2506 | 181 | 2508 | 523 | 655 | 655 | 844 | 844 | 950 | 534 | 655 |
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)
Latest Updates
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nantasket Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest