Surf Forecasts:
How big are the waves at Brant Rock today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 0.5ft (0.1m), 14s period with E swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 0.5ft (0.1m), 13s period with E swell.
- Evening surf: Evening surf (18 Jul, local time) - 0.5ft (0.1m), 13s period with E swell.
The current surf forecast for Brant Rock at 7PM is: 0.1m 13s primary swell from a East direction (forecast issued at 01:00pm July 18). An open ocean swell of 0.2m 5s is not directed at the surf break, a second open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 0.5ft (0.1m) | 14s |
| Afternoon (18 Jul) | 0.5ft (0.1m) | 13s |
| Evening (18 Jul) | 0.5ft (0.1m) | 13s |
Table - waves today at Brant Rock. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Sat night. Warm (max 27°C on Sat afternoon, min 18°C on Sun night). Winds decreasing (fresh winds from the SW on Sat night, calm by Mon morning). | |||||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | |||||||||||||||||||
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 13 | E 13 | E 13 | E 13 | E 13 | SE 6 | E 13 | E 13 | NNW 4 | N 4 | N 4 | E 12 | N 4 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 4 | 4 | 3 | 3 | 3 | 5 | 3 | 3 | 11 | 9 | 5 | 3 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | off | off | off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | glassy | cross | cross-off | cross-off | cross-off |
High Tide | 3:17PM3.05m | 3:37AM3.11m | 4:09PM3.02m | 4:31AM2.92m | 5:00PM2.97m | ||||||||||||||||
Low Tide | 9:01AM-0.22m | 9:22PM0.00m | 9:50AM-0.09m | 10:17PM0.08m | 10:40AM0.08m | ||||||||||||||||
 |  |  | |  |  |  | | | | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:13 | — |
mm | — | — | 1 | 3 | 4 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 21 | 20 | 22 | 22 | 22 | 21 | 22 | 24 | 26 | 25 | 22 | 20 | 18 | 19 | 24 | 25 | 26 | 22 | 20 |
Feels °C | 23 | 23 | 18 | 17 | 19 | 21 | 21 | 19 | 17 | 20 | 22 | 22 | 18 | 17 | 15 | 16 | 22 | 21 | 21 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | SSE 5 | E 13 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 8 | N 4 | N 4 | SE 5 | N 4 | NNE 4 | N 4 | N 4 | SE 9 | SE 9 | SE 8 |
| kJ | 4 | 4 | 3 | 3 | 3 | 5 | 1 | 1 | 1 | 2 | 3 | 3 | 1 | 1 | 2 | 3 | 1 | 1 | 3 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 13 | — | E 13 | S 4 | E 13 | E 13 | E 13 | E 12 | SE 8 | SE 6 | E 12 | SE 5 | SE 5 | SE 9 | SE 9 | — | E 12 | E 12 |
| kJ | 1 | 1 | 1 | 3 | — | 3 | 1 | 3 | 3 | 3 | 3 | 3 | 1 | 3 | 1 | 1 | 3 | 3 | — | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | E 8 | — | — | E 8 | — | — | E 13 | E 13 | E 13 | E 8 | S 7 | E 12 | — | E 8 | E 12 | E 12 | E 12 | E 12 | E 12 | — | — |
| kJ | 1 | — | — | 1 | — | — | 3 | 3 | 3 | 1 | 4 | 3 | — | 1 | 3 | 3 | 3 | 3 | 3 | — | — |
Wind waves Height (m) Direction Period (s) | SSW 2 | S 3 | S 4 | SSW 4 | SSW 3 | SSW 4 | WSW 3 | WNW 3 | NNW 4 | N 4 | N 4 | S 4 | — | N 3 | — | — | — | SE 4 | — | SSE 3 | SSE 3 |
| kJ | 1 | 6 | 17 | 8 | 15 | 11 | 2 | 3 | 11 | 9 | 5 | 2 | — | 2 | — | — | — | 1 | — | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 958 | 3520 | 3520 | 407 | 397 | 350 | 80 | 92 | 74 | 86 | 74 | 58 | 86 | 107 | 98 | 98 | 98 | 126 | 104 | 126 | 126 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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