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Brant Rock Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Brant Rock surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 7 am Sunday 19 Apr 2026 EDTForecast update in hr min s Forecast update imminent
Brant Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Brant Rock sea temperature is
6.7° C
(Which is slightly warmer than usual)How big are the waves at Brant Rock today?
The current surf forecast for Brant Rock at 11AM is: 1.0m 8s primary swell from a East direction and 0.1m 14s secondary swell from a East direction (forecast issued at 07:00am April 19). An open ocean swell of 0.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Apr) | 3.5ft (1.1m) | 8s |
| Afternoon (19 Apr) | 3ft (0.9m) | 7s |
| Evening (19 Apr) | 3.5ft (1.0m) | 5s |
Table - waves today at Brant Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 19 | Monday 20 | Tuesday 21 | Wed 22 | |||||||||||||||||||||
| 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 | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 8 | 8 | 7 | 7 | 5 | 5 | 5 | 7 | 5 | 7 | 7 | 7 | 8 | 8 | 8 | 4 | 4 | 4 | 4 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 140 | 143 | 115 | 112 | 88 | 52 | 38 | 27 | 24 | 19 | 15 | 15 | 16 | 19 | 19 | 19 | 25 | 21 | 21 | 12 | 10 | 10 | 9 | 9 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- off | cross- off | off |
High Tide / height (m) | 1:33PM 3.00 | 1:45AM 3.43 | 2:23PM 2.95 | 2:37AM 3.41 | 3:18PM 2.87 | |||||||||||||||||||
Low Tide / height (m) | 7:20AM -0.39 | 7:31PM -0.00 | 8:10AM -0.40 | 8:22PM 0.03 | 9:04AM -0.34 | 9:16PM 0.09 | ||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wed 22 | |||||||||||||||||||||
| Sunrise | - | 5:56 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:27 | - | - | - | - | - | - | - | 7:28 | - | - | - | - | - | - | - | 7:30 | - | - | - |
 |  | |  | |  |  | | |  | | | |  | | | |  | | | | | | | |
Rain (mm) | - | - | - | 3 | 2 | - | - | - | - | - | - | - | 1 | 2 | - | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 7 | 9 | 11 | 11 | 7 | 6 | 5 | 4 | 3 | 4 | 7 | 8 | 7 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 |
| Feels °C (?) | 5 | 6 | 8 | 8 | -1 | -1 | -1 | -2 | -2 | -1 | 3 | 4 | 4 | 1 | -1 | -5 | -3 | -3 | -2 | -1 | -1 | -1 | -1 | -2 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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