Surf Forecasts:
How big are the waves at Nantasket Beach today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 1ft (0.3m), 6s period with ESE swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 1ft (0.3m), 6s period with ESE swell.
- Evening surf: Evening surf (19 Aug, local time) - 1.5ft (0.5m), 6s period with SE swell.
The current surf forecast for Nantasket Beach at 1AM is: 0.3m 8s primary swell from a East-southeast direction and 0.1m 9s secondary swell from a East direction (forecast issued at 07:00pm August 18). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 1ft (0.3m) | 6s |
| Afternoon (19 Aug) | 1ft (0.3m) | 6s |
| Evening (19 Aug) | 1.5ft (0.5m) | 6s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Warm (max 31°C on Wed afternoon, min 18°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||
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) | ESE 9 | ESE 9 | ESE 9 | ESE 7 | ESE 7 | E 9 | ESE 6 | ESE 6 | SE 6 | ESE 6 | SE 6 | SE 6 | ESE 6 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 16 | 15 | 7 | 9 | 9 | 8 | 8 | 8 | 10 | 15 | 18 | 9 | 6 | 6 | 11 | 11 | 11 | 11 | 19 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | glassy | off | off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | off |
High Tide | 4:15PM2.89m | 4:47AM2.55m | 5:05PM2.78m | 5:44AM2.40m | 5:58PM2.69m | ||||||||||||||
Low Tide | 10:35PM0.22m | 10:48AM0.41m | 11:31PM0.33m | 11:40AM0.55m | |||||||||||||||
 |  | |  | |  | |  | | | |  | | | | |  | | | |
 | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | 7:39 | — | — | — | — | — | — | — | 7:38 | — | — | — | — | — | — | — | 7:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 21 | 21 | 21 | 20 | 19 | 20 | 26 | 28 | 31 | 27 | 24 | 23 | 22 | 23 | 26 | 22 | 20 | 20 | 21 |
Feels °C | 23 | 23 | 23 | 22 | 20 | 21 | 27 | 29 | 30 | 26 | 24 | 23 | 22 | 24 | 26 | 22 | 20 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | SE 6 | ESE 6 | SE 6 | SE 6 | ESE 6 | ESE 6 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 8 |
| kJ | 16 | 15 | 7 | 9 | 9 | 8 | 8 | 8 | 10 | 15 | 18 | 9 | 6 | 3 | 11 | 11 | 11 | 11 | 19 |
Swell 2 Height (m) Direction Period (s) | E 4 | E 4 | E 4 | E 9 | E 9 | E 9 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | — | — | E 9 | — | E 15 |
| kJ | 3 | 3 | 3 | 2 | 2 | 6 | 7 | 6 | 6 | 6 | 5 | 5 | 6 | 6 | — | — | 2 | — | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | ESE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SW 3 | WSW 2 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 113 | 113 | 58 | 55 | 58 | 58 | 58 | 160 | 55 | 55 | 12 | 64 | 67 | 55 | 58 | 58 | 58 | 58 | 58 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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