Surf Forecasts:
How big are the waves at Nantasket Beach today (19 Oct):
- Morning surf: Morning surf (19 Oct, local time) - 1ft (0.3m), 4s period with E swell.
- Afternoon surf: Afternoon surf (19 Oct, local time) - 1.5ft (0.4m), 5s period with ESE swell.
- Evening surf: Evening surf (19 Oct, local time) - 2.5ft (0.8m), 9s period with ESE swell.
The current surf forecast for Nantasket Beach at 1AM is: 0.3m 4s primary swell from a East direction and 0.1m 7s secondary swell from a East direction (forecast issued at 07:00pm October 18). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Oct) | 1ft (0.3m) | 4s |
| Afternoon (19 Oct) | 1.5ft (0.4m) | 5s |
| Evening (19 Oct) | 2.5ft (0.8m) | 9s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 12°C on Tue afternoon, min 7°C on Wed morning). Winds increasing (calm on Mon morning, fresh winds from the NE by Tue night). | |||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | |||||||||||||||||
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) | NE 5 | E 4 | ENE 4 | E 4 | E 4 | E 4 | E 10 | ESE 5 | E 9 | ESE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | ENE 10 | ENE 9 | ENE 9 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 5 | 4 | 4 | 3 | 3 | 3 | 8 | 8 | 104 | 106 | 139 | 225 | 279 | 340 | 377 | 688 | 585 | 477 | 567 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross | cross | glassy | glassy | cross-on | on | on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:32PM2.57m | 6:19AM2.30m | 6:28PM2.55m | 7:12AM2.36m | 7:22PM2.58m | ||||||||||||||
Low Tide | 00:00AM0.48m | 12:13PM0.71m | 00:53AM0.48m | 1:09PM0.65m | |||||||||||||||
 |  | | | | | | | | | |  |  |  | | | | | | |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — |
 | 5:57 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 9 | 9 | 8 | 8 | 8 | 9 | 10 | 9 | 9 | 9 | 9 | 8 | 9 | 11 | 11 | 12 | 12 | 11 |
Feels °C | 7 | 5 | 6 | 5 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 4 | 4 | 5 | 5 | 7 | 8 | 5 |
Swell 1 Height (m) Direction Period (s) | NE 5 | E 4 | ENE 4 | E 4 | E 4 | E 4 | E 5 | ESE 5 | E 5 | ESE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | — | — |
| kJ | 5 | 4 | 4 | 3 | 3 | 3 | 4 | 8 | 15 | 106 | 139 | 225 | 279 | 340 | 377 | 470 | 481 | — | — |
Swell 2 Height (m) Direction Period (s) | E 9 | NNE 4 | E 10 | E 7 | E 7 | E 7 | E 10 | E 9 | ESE 9 | — | — | S 12 | S 12 | — | — | — | — | — | — |
| kJ | 2 | 2 | 2 | 1 | 1 | 1 | 8 | 7 | 16 | — | — | 3 | 3 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | E 11 | NE 6 | E 6 | E 10 | E 10 | E 10 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 1 | 1 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | ESE 3 | — | — | — | ESE 5 | — | E 9 | — | — | NNE 4 | N 3 | NNE 4 | NNE 5 | ENE 10 | ENE 9 | ENE 9 | ENE 8 |
| kJ | — | — | 1 | — | — | — | 8 | — | 104 | — | — | 13 | 6 | 20 | 61 | 688 | 585 | 477 | 567 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 181 | 893 | 893 | 508 | 133 | 276 | 117 | 117 | 97 | 17 | 17 | 17 | 17 | 28 | 537 | 181 | 40 | 138 | 537 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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