Surf Forecasts:
How big are the waves at Nantasket Beach today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 3ft (0.9m), 5s period with NE swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 2.5ft (0.8m), 5s period with NE swell.
- Evening surf: Evening surf (15 Sep, local time) - 2ft (0.6m), 6s period with ENE swell.
The current surf forecast for Nantasket Beach at 3AM is: 1.1m 6s primary swell from a Northeast direction and 0.2m 9s secondary swell from a East-southeast direction, 0.1m 15s secondary swell from a East direction (forecast issued at 07:00pm September 14). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 3ft (0.9m) | 5s |
| Afternoon (15 Sep) | 2.5ft (0.8m) | 5s |
| Evening (15 Sep) | 2ft (0.6m) | 6s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Wed afternoon, min 13°C on Tue morning). Wind will be generally light. | |||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||||
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) | N 4 | ESE 8 | ESE 8 | NE 6 | NE 6 | NE 5 | NE 5 | NE 5 | NE 5 | ENE 6 | ENE 6 | ENE 5 | ENE 5 | ENE 5 | E 6 | E 7 | E 7 | ESE 7 | ESE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 7 | 14 | 14 | 56 | 102 | 49 | 37 | 35 | 30 | 28 | 21 | 11 | 9 | 4 | 7 | 8 | 8 | 17 | 17 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 2:08PM3.07m | 2:36AM2.80m | 2:49PM2.97m | 3:22AM2.64m | 3:33PM2.86m | ||||||||||||||
Low Tide | 8:24PM-0.01m | 8:37AM0.21m | 9:10PM0.10m | 9:21AM0.37m | 9:58PM0.23m | ||||||||||||||
 |  | | | | | | | | | | |  |  | |  | | | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | 6:54 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 18 | 15 | 14 | 14 | 13 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 18 | 24 | 25 | 23 | 22 |
Feels °C | 16 | 13 | 11 | 10 | 11 | 10 | 12 | 13 | 13 | 12 | 12 | 13 | 13 | 12 | 15 | 22 | 24 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 8 | ESE 9 | NE 5 | NE 5 | NE 5 | ENE 6 | ENE 6 | ENE 5 | ENE 5 | ENE 5 | E 6 | E 7 | E 7 | ESE 7 | ESE 7 |
| kJ | 7 | 14 | 14 | 8 | 7 | 8 | 37 | 35 | 30 | 28 | 21 | 11 | 9 | 4 | 7 | 8 | 8 | 17 | 17 |
Swell 2 Height (m) Direction Period (s) | ESE 6 | — | — | — | E 15 | E 15 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 6 | NE 5 | E 9 | E 13 | E 13 | E 13 |
| kJ | 4 | — | — | — | 4 | 4 | 8 | 7 | 2 | 2 | 2 | 2 | 2 | 3 | 1 | 2 | 4 | 4 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 15 | E 15 | E 15 | E 15 | E 15 | E 14 | E 14 | E 14 | E 9 | E 9 | E 13 | — | — | E 13 |
| kJ | — | — | — | — | — | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 2 | 4 | — | — | 3 |
Wind waves Height (m) Direction Period (s) | N 4 | N 4 | N 4 | NE 6 | NE 6 | NE 5 | — | — | — | — | — | — | — | — | — | — | S 3 | — | — |
| kJ | 7 | 8 | 8 | 56 | 102 | 49 | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 67 | 67 | 653 | 108 | 32 | 108 | 653 | 653 | 655 | 655 | 81 | 655 | 542 | 542 | 984 | 1230 | 549 | 987 | 655 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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