Surf Forecasts:
How big are the waves at Nantasket Beach today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 1ft (0.3m), 4s period with SSE swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 1.5ft (0.4m), 4s period with SE swell.
- Evening surf: Evening surf (17 Aug, local time) - 1.5ft (0.5m), 4s period with SE swell.
The current surf forecast for Nantasket Beach at 1AM is: 0.3m 4s primary swell from a South-southeast direction and 0.1m 9s secondary swell from a East direction (forecast issued at 07:00pm August 16). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 1ft (0.3m) | 4s |
| Afternoon (17 Aug) | 1.5ft (0.4m) | 4s |
| Evening (17 Aug) | 1.5ft (0.5m) | 4s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Mon afternoon. Warm (max 29°C on Wed afternoon, min 19°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | |||||||||||||||||
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 11 | SSE 3 | SSE 4 | SSE 4 | SE 4 | SSE 4 | SSE 4 | SE 4 | SE 4 | SE 4 | SE 5 | ESE 5 | ESE 5 | E 5 | E 5 | ENE 5 | ENE 5 | ENE 5 | ESE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 2 | 2 | 3 | 3 | 2 | 3 | 2 | 2 | 5 | 8 | 22 | 9 | 14 | 13 | 12 | 20 | 17 | 19 | 24 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:42PM3.06m | 3:04AM2.92m | 3:27PM2.98m | 3:54AM2.73m | 4:15PM2.89m | ||||||||||||||
Low Tide | 8:52PM0.01m | 9:12AM0.06m | 9:42PM0.11m | 9:59AM0.24m | 10:35PM0.22m | ||||||||||||||
 |  |  | |  |  | | | | | | | |  | | | |  | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | 7:43 | — | — | — | — | — | — | — | 7:42 | — | — | — | — | — | — | — | 7:39 | — | — |
mm | — | — | — | — | 1 | 2 | 2 | 2 | 4 | 2 | 2 | 1 | 1 | — | — | — | — | — | — |
Temp °C | 25 | 22 | 20 | 21 | 19 | 19 | 19 | 19 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 21 | 21 | 19 | 19 |
Feels °C | 23 | 20 | 18 | 20 | 18 | 18 | 18 | 19 | 22 | 23 | 23 | 24 | 22 | 21 | 20 | 21 | 21 | 20 | 21 |
Swell 1 Height (m) Direction Period (s) | — | E 9 | E 9 | E 9 | SE 4 | E 9 | SE 4 | E 9 | E 9 | E 9 | ESE 4 | ESE 5 | ESE 5 | E 5 | E 5 | ESE 8 | ESE 9 | ENE 5 | ENE 5 |
| kJ | — | 2 | 2 | 1 | 2 | 2 | 1 | 2 | 2 | 2 | 8 | 9 | 14 | 13 | 12 | 7 | 15 | 19 | 15 |
Swell 2 Height (m) Direction Period (s) | E 9 | — | — | — | E 9 | — | E 9 | — | — | — | E 9 | E 9 | E 9 | E 9 | E 8 | ESE 9 | E 5 | ESE 8 | ESE 8 |
| kJ | 2 | — | — | — | 2 | — | 2 | — | — | — | 2 | 2 | 1 | 1 | 1 | 15 | 5 | 14 | 24 |
Swell 3 Height (m) Direction Period (s) | E 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 9 |
| kJ | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 |
Wind waves Height (m) Direction Period (s) | — | SSE 3 | SSE 4 | SSE 4 | — | SSE 4 | SSE 4 | SE 4 | SE 4 | SE 4 | SE 5 | — | — | — | N 3 | ENE 5 | ENE 5 | — | — |
| kJ | — | 2 | 3 | 3 | — | 3 | 2 | 2 | 5 | 8 | 22 | — | — | — | 5 | 20 | 17 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2719 | 1632 | 1838 | 1838 | 877 | 314 | 241 | 210 | 131 | 131 | 90 | 90 | 98 | 98 | 117 | 98 | 17 | 131 | 55 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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