Surf Forecasts:
How big are the waves at Nantasket Beach today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 0.5ft (0.2m), 8s period with ESE swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 2.5ft (0.8m), 5s period with N swell.
- Evening surf: Evening surf (17 Oct, local time) - 3.5ft (1.0m), 5s period with N swell.
The current surf forecast for Nantasket Beach at 7PM is: 0.9m 5s primary swell from a North-northeast direction and 0.1m 9s secondary swell from a East direction (forecast issued at 01:00pm October 17). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 0.5ft (0.2m) | 8s |
| Afternoon (17 Oct) | 2.5ft (0.8m) | 5s |
| Evening (17 Oct) | 3.5ft (1.0m) | 5s |
Table - waves today at Nantasket Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 11°C on Tue morning, min 5°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the NNE by Tue morning). | |||||||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | |||||||||||||||||||
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) | N 5 | N 5 | NNE 5 | NNE 5 | NNE 5 | NNE 6 | NE 6 | NE 6 | NE 6 | NE 5 | ENE 5 | ENE 5 | E 5 | ESE 5 | E 5 | E 5 | E 5 | E 6 | E 9 | E 9 | E 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 27 | 28 | 35 | 45 | 62 | 72 | 49 | 32 | 27 | 13 | 9 | 7 | 4 | 7 | 4 | 12 | 14 | 16 | 201 | 164 | 268 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | glassy | cross-on | on | cross-on | cross-on | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:36PM2.63m | 5:24AM2.30m | 5:32PM2.57m | 6:19AM2.30m | 6:28PM2.55m | ||||||||||||||||
Low Tide | 10:22AM0.66m | 11:06PM0.44m | 11:17AM0.71m | 00:00AM0.48m | 12:13PM0.71m | ||||||||||||||||
 | |  |  | | | |  | | | | | | | | | | | |  |  | |
 | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — |
 | — | — | 5:59 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:55 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 8 | 10 | 10 | 7 | 5 | 5 | 5 | 5 | 6 | 8 | 9 | 8 | 8 | 8 | 9 | 8 | 9 | 10 | 9 | 9 | 9 |
Feels °C | 1 | 2 | 2 | -1 | -2 | 0 | 1 | 1 | 3 | 4 | 4 | 4 | 4 | 6 | 7 | 5 | 4 | 5 | 4 | 4 | 3 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | SE 8 | SE 9 | E 9 | E 9 | NNE 6 | NE 6 | NE 6 | NE 6 | NE 5 | ENE 5 | ENE 5 | E 5 | E 5 | E 5 | E 4 | E 5 | E 6 | E 9 | E 9 | E 10 |
| kJ | 6 | 3 | 3 | 2 | 2 | 72 | 49 | 32 | 27 | 13 | 9 | 7 | 4 | 4 | 4 | 3 | 8 | 15 | 103 | 164 | 268 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | E 9 | E 9 | E 8 | E 8 | E 9 | E 9 | NE 6 | NE 5 | E 7 | E 7 | ESE 5 | E 10 | ESE 9 | — | — | S 12 |
| kJ | — | — | — | — | — | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 3 | 1 | 3 | 2 | 7 | 16 | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 11 | E 9 | E 11 | E 11 | ENE 6 | NE 4 | E 10 | E 7 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 2 | 1 | 2 | 2 | 4 | 1 | 2 | 4 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 5 | N 5 | NNE 5 | NNE 5 | NNE 5 | — | — | — | — | — | — | ESE 5 | ESE 3 | ESE 5 | — | E 5 | E 5 | — | E 9 | — | — |
| kJ | 27 | 28 | 35 | 45 | 62 | — | — | — | — | — | — | 4 | 1 | 7 | — | 12 | 14 | — | 201 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 98 | 523 | 523 | 558 | 558 | 531 | 7 | 301 | 301 | 276 | 276 | 893 | 893 | 950 | 276 | 117 | 2508 | 1130 | 40 | 1126 | 1001 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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