Surf Forecasts:
How big are the waves at Nantasket Beach today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 5ft (1.6m), 6s period with E swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 6ft (1.8m), 7s period with E swell.
- Evening surf: Evening surf (23 Sep, local time) - 6ft (1.8m), 8s period with E swell.
The current surf forecast for Nantasket Beach at 3PM is: 1.8m 7s primary swell from a East direction (forecast issued at 07:00am September 23). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 5ft (1.6m) | 6s |
| Afternoon (23 Sep) | 6ft (1.8m) | 7s |
| Evening (23 Sep) | 6ft (1.8m) | 8s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Fri night. Very mild (max 14°C on Wed morning, min 12°C on Thu morning). Winds increasing (moderate winds from the NE on Thu night, strong winds from the NNE by Fri night). | |||||||||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||||||||||
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 6 | E 6 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | ENE 11 | ENE 11 | E 12 | E 12 | E 12 | ENE 12 | E 12 | ENE 11 | ENE 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 194 | 194 | 262 | 329 | 367 | 397 | 368 | 553 | 435 | 506 | 588 | 679 | 755 | 1100 | 1121 | 1347 | 1438 | 1731 | 2020 | 2302 | 2373 | 2337 | 2842 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:38AM2.50m | 9:48PM2.79m | 10:18AM2.65m | 10:30PM2.88m | 10:56AM2.81m | ||||||||||||||||||
Low Tide | 3:24AM0.35m | 3:33PM0.45m | 4:05AM0.24m | 4:17PM0.30m | 4:43AM0.14m | 4:59PM0.14m | |||||||||||||||||
 |  | | | | | | | |  | | | | |  |  | |  | | | |  | | |
 | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — |
 | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:36 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 |
Temp °C | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 |
Feels °C | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 7 | 8 | 8 | 8 | 9 | 9 | 8 | 7 | 7 | 6 | 8 | 5 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | E 8 | — | — | — | — | — | E 10 | E 10 | E 11 | E 12 | E 12 | E 12 | E 12 | E 12 | — | — |
| kJ | — | — | — | — | — | — | — | 386 | — | — | — | — | — | 730 | 783 | 941 | 1438 | 1731 | 1857 | 1870 | 2071 | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | ENE 11 | ENE 11 | E 11 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 |
| kJ | 194 | 194 | 262 | 329 | 367 | 397 | 368 | 553 | 435 | 506 | 588 | 679 | 755 | 1100 | 1121 | 1347 | 1252 | 1669 | 2020 | 2302 | 2373 | 2337 | 2842 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 534 | 537 | 1968 | 2691 | 950 | 950 | 655 | 97 | 97 | 653 | 578 | 893 | 961 | 537 | 17 | 108 | 893 | 950 | 1126 | 950 | 950 | 467 | 570 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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