- Forecast
- Maps
- Live
- Weather State
- Spot Information
Brant Rock Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Brant Rock surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 1 am Monday 13 Oct 2025 EDT
How big are the waves at Brant Rock today?
The current surf forecast for Brant Rock at 3AM is: 4.0m 9s primary swell from a East-northeast direction (forecast issued at 01:00am October 13). An open ocean swell of 0.3m 12s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Oct) | 13ft (4.0m) | 10s |
| Afternoon (13 Oct) | 13ft (4.0m) | 11s |
| Evening (13 Oct) | 11ft (3.5m) | 11s |
Table - waves today at Brant Rock. (Swell directed towards the surf break)
Monday 13 | Tuesday 14 | Wednesday 15 | ||||||||||||||||||||||
| 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 | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1493 | 2168 | 2870 | 3176 | 3668 | 3565 | 3408 | 3022 | 2620 | 2203 | 1984 | 1710 | 1294 | 1030 | 794 | 598 | 509 | 377 | 320 | 327 | 273 | 228 | 149 | 151 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on |
High Tide / height (m) | 4:49AM 2.73 | 5:08PM 3.14 | 5:55AM 2.65 | 6:16PM 3.02 | 7:04AM 2.63 | 7:25PM 2.94 | ||||||||||||||||||
Low Tide / height (m) | 10:32PM -0.15 | 10:47AM 0.25 | 11:36PM -0.01 | 11:53AM 0.34 | 12:42AM 0.09 | 1:01PM 0.37 | ||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:54 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:00 | - |
 |  | |  | |  | | | | | | | |  |  |  |  | |  |  | | | | | |
Rain (mm) | 5 | 7 | 4 | 5 | 5 | 6 | 8 | 5 | 3 | 5 | 5 | 4 | 5 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 13 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 13 | 13 | 12 | 12 | 15 | 16 | 13 | 11 |
| Feels °C (?) | 5 | 4 | 6 | 4 | 3 | 3 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 6 | 8 | 8 | 10 | 10 | 9 | 9 | 11 | 9 | 5 | 3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Massachusetts
Wind reports 2 km away suggest it is still onshore at Brant Rock (fresh winds from the NE at Marshfield Airport). A 3.0m swell from the ENE
1 h 12 min ago
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Brant Rock surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest