Surf Forecasts:
How big are the waves at Brant Rock today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 3ft (0.9m), 6s period with NE swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 2ft (0.6m), 5s period with NE swell.
- Evening surf: Evening surf (18 Oct, local time) - 1ft (0.3m), 5s period with NE swell.
The current surf forecast for Brant Rock at 1PM is: 0.7m 5s primary swell from a Northeast direction and 0.1m 9s secondary swell from a East direction (forecast issued at 07:00am October 18). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 3ft (0.9m) | 6s |
| Afternoon (18 Oct) | 2ft (0.6m) | 5s |
| Evening (18 Oct) | 1ft (0.3m) | 5s |
Table - waves today at Brant Rock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 12°C on Tue afternoon, min 7°C on Sun morning). Winds increasing (calm on Sun morning, strong winds from the NE by Tue night). | |||||||||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | |||||||||||||||||||||
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) | NNE 6 | NE 6 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | E 4 | E 4 | E 5 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | ENE 9 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 66 | 46 | 34 | 21 | 12 | 8 | 4 | 6 | 10 | 17 | 16 | 28 | 162 | 239 | 363 | 369 | 233 | 494 | 464 | 476 | 826 | 753 | 779 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | glassy | cross-on | cross | cross | cross | cross | cross-on | cross-on | on | on | on | on | cross-on | cross-on | on | on | on | on | on | on |
High Tide | 5:27AM2.29m | 5:40PM2.56m | 6:24AM2.28m | 6:39PM2.54m | 7:21AM2.33m | 7:37PM2.56m | |||||||||||||||||
Low Tide | 11:23AM0.73m | 00:06AM0.49m | 12:21PM0.73m | 1:02AM0.49m | 1:19PM0.68m | ||||||||||||||||||
 |  | | | | | | | | |  | | |  | | | |  | | | | | | |
 | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — |
 | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 7 | 7 | 8 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 12 | 12 |
Feels °C | 2 | 3 | 5 | 6 | 4 | 5 | 4 | 5 | 6 | 6 | 5 | 6 | 5 | 5 | 4 | 3 | 2 | 3 | 4 | 4 | 5 | 5 | 4 |
Swell 1 Height (m) Direction Period (s) | E 8 | NE 6 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | E 4 | E 5 | E 9 | E 9 | S 12 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 1 | 46 | 34 | 21 | 12 | 8 | 3 | 1 | 6 | 7 | 16 | 27 | 3 | 239 | 363 | 369 | 233 | 494 | 464 | 476 | 8 | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | S 7 | E 9 | E 9 | E 9 | NE 6 | NE 6 | E 7 | E 7 | E 7 | E 7 | — | — | — | S 12 | S 12 | S 12 | S 11 | S 12 | S 8 | — | — | — | — |
| kJ | 1 | 2 | 1 | 2 | 2 | 1 | 1 | 3 | 3 | 4 | — | — | — | 3 | 3 | 3 | 2 | 3 | 1 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 2 | 2 | 2 | 2 | 2 | 2 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 6 | — | — | — | — | E 5 | E 4 | E 4 | E 4 | E 5 | E 5 | E 5 | E 9 | ENE 10 | NE 4 | NNE 4 | NE 6 | NNE 5 | NNE 5 | NNE 6 | ENE 9 | ENE 8 | ENE 8 |
| kJ | 66 | — | — | — | — | 4 | 4 | 6 | 10 | 17 | 13 | 28 | 162 | 163 | 15 | 26 | 128 | 77 | 110 | 126 | 826 | 753 | 779 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 646 | 646 | 273 | 175 | 302 | 887 | 887 | 958 | 126 | 107 | 107 | 107 | 2 | 2 | 47 | 53 | 53 | 130 | 529 | 529 | 277 | 277 | 654 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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