Surf Forecasts:
How big are the waves at Nantasket Beach today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 0.5ft (0.1m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 1ft (0.3m), 4s period with N swell.
- Evening surf: Evening surf (11 Sep, local time) - 0.5ft (0.2m), 5s period with NNE swell.
The current surf forecast for Nantasket Beach at 2AM is: 0.1m 10s primary swell from a East direction and 0.1m 5s secondary swell from a Southeast direction (forecast issued at 07:00pm September 10). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 0.5ft (0.1m) | 10s |
| Afternoon (11 Sep) | 1ft (0.3m) | 4s |
| Evening (11 Sep) | 0.5ft (0.2m) | 5s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Sun morning. Warm (max 25°C on Thu night, min 16°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Thu 10 | Friday 11 | Saturday 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 | ESE 10 | ESE 10 | E 10 | SE 10 | SE 10 | N 4 | N 4 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | SE 3 | SE 3 | SE 4 |
Wave Graph  | |||||||||||||||||||
 kJ | 2 | 9 | 9 | 2 | 4 | 4 | 5 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 2 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross | cross | glassy | on | on | cross-on | cross-off | cross-off |
High Tide | 11:30PM3.19m | 11:59AM3.08m | 00:19AM3.15m | 12:43PM3.12m | |||||||||||||||
Low Tide | 5:14PM-0.04m | 5:46AM-0.17m | 6:05PM-0.11m | 6:31AM-0.14m | 6:53PM-0.12m | ||||||||||||||
 |  |  | | |  | | | | | | | | | | | |  | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 25 | 22 | 20 | 18 | 17 | 20 | 23 | 23 | 21 | 19 | 17 | 16 | 16 | 19 | 21 | 22 | 19 | 19 |
Feels °C | 26 | 22 | 19 | 17 | 16 | 14 | 17 | 20 | 21 | 20 | 18 | 15 | 14 | 16 | 17 | 18 | 19 | 17 | 18 |
Swell 1 Height (m) Direction Period (s) | E 10 | ESE 10 | ESE 10 | E 10 | SE 10 | SE 10 | E 10 | N 4 | N 4 | NE 5 | NNE 5 | NE 4 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 2 | 9 | 9 | 2 | 4 | 4 | 2 | 3 | 1 | 1 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | SE 5 | E 8 | E 8 | SE 5 | E 8 | SE 6 | — | E 10 | E 11 | — | E 11 | E 11 | NE 4 | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | — | 2 | 2 | — | 2 | 2 | 1 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | — | — | — | — | — | NE 5 | E 11 | — | — | E 8 | E 8 | — | E 7 | — | — | — |
| kJ | 1 | 1 | 1 | — | — | — | — | — | 1 | 2 | — | — | 1 | 1 | — | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 3 | W 3 | W 3 | WNW 2 | — | N 3 | N 4 | — | — | — | — | — | — | — | — | — | SE 3 | SE 3 | SE 4 |
| kJ | 3 | 1 | 1 | 1 | — | 1 | 5 | — | — | — | — | — | — | — | — | — | 3 | 3 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 100 | 90 | 118 | 113 | 113 | 117 | 128 | 181 | 523 | 181 | 181 | 181 | 844 | 1236 | 1237 | 884 | 1237 | 961 | 753 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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