Surf Forecasts:
How big are the waves at Nantasket Beach today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 4.5ft (1.3m), 10s period with E swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 4.5ft (1.4m), 10s period with E swell.
- Evening surf: Evening surf (20 Oct, local time) - 6ft (1.8m), 9s period with ENE swell.
The current surf forecast for Nantasket Beach at 6PM is: 1.4m 10s primary swell from a East direction and 1.1m 5s secondary swell from a Northeast direction (forecast issued at 01:00pm October 20). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 4.5ft (1.3m) | 10s |
| Afternoon (20 Oct) | 4.5ft (1.4m) | 10s |
| Evening (20 Oct) | 6ft (1.8m) | 9s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 13°C on Tue afternoon, min 6°C on Fri morning). Mainly fresh winds. | |||||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||||
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 10 | E 10 | E 10 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | ENE 9 | E 9 | E 9 | ENE 8 | ENE 8 | NE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 340 | 379 | 362 | 521 | 534 | 587 | 655 | 627 | 589 | 597 | 554 | 603 | 600 | 631 | 459 | 589 | 373 | 500 | 412 | 513 | 515 |
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 | cross | cross | cross | cross-on | cross | cross |
High Tide | 7:22PM2.58m | 8:03AM2.46m | 8:16PM2.64m | 8:50AM2.61m | 9:07PM2.72m | ||||||||||||||||
Low Tide | 1:09PM0.65m | 1:44AM0.43m | 2:03PM0.55m | 2:33AM0.35m | 2:54PM0.39m | ||||||||||||||||
 | | |  | | |  |  | | | | |  | | | | |  | | | | |
 | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — |
 | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:51 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 13 | 13 | 12 | 12 | 10 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 10 | 13 | 13 | 13 | 11 |
Feels °C | 6 | 7 | 8 | 7 | 6 | 3 | 2 | 1 | 1 | 1 | 3 | 3 | 4 | 3 | 2 | 2 | 3 | 7 | 8 | 9 | 3 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 9 | — | — | — | — | — | — | E 9 | — | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 8 | ENE 8 | E 8 |
| kJ | 340 | 379 | 362 | 372 | — | — | — | — | — | — | 537 | — | 580 | 593 | 459 | 505 | 373 | 421 | 412 | 338 | 374 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 5 | NE 5 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | NNE 5 | ENE 9 | NNE 5 | ENE 8 | NNE 6 | ENE 8 | NE 8 |
| kJ | 35 | 69 | 64 | 521 | 534 | 587 | 655 | 627 | 589 | 597 | 554 | 603 | 600 | 631 | 78 | 589 | 75 | 500 | 87 | 513 | 515 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 523 | 523 | 276 | 276 | 537 | 537 | 537 | 537 | 1001 | 986 | 986 | 987 | 961 | 108 | 537 | 108 | 537 | 28 | 40 | 28 | 122 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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