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Mar Aberto Surf Forecast
/ Rio Grande Do Norte (34 surf breaks) /
Surf Forecasts:
Mar Aberto surfForecast / Rio Grande Do Norte / Brazil
48hr Weather and Surf, issued 2 pm Friday 20 Mar 2026 -03Forecast update in hr min s Forecast update imminent
Mar Aberto surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mar Aberto sea temperature is
29.3° C
(Which is slightly warmer than usual)How big are the waves at Mar Aberto today?
The current surf forecast for Mar Aberto at 8PM is: 0.6m 8s primary swell from a North-northeast direction and 0.2m 18s secondary swell from a North-northeast direction, 0.7m 5s secondary swell from a East direction (forecast issued at 02:00pm March 20). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Mar) | - | - |
| Afternoon (20 Mar) | 2ft (0.6m) | 8s |
| Evening (20 Mar) | 2ft (0.6m) | 8s |
Table - waves today at Mar Aberto. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 8 | 8 | 8 | 18 | 18 | 6 | 6 | 6 | 6 | 16 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 52 | 48 | 45 | 44 | 61 | 61 | 59 | 74 | 98 | 116 | 147 | 240 | 246 | 243 | 329 | 295 | 366 | 397 | 392 | 457 | 428 | 537 | 530 | 683 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 5:05PM 2.43 | 5:25AM 2.34 | 5:46PM 2.33 | 6:05AM 2.25 | 6:31PM 2.16 | 6:49AM 2.11 | ||||||||||||||||||
Low Tide / height (m) | 10:53AM 0.02 | 11:14PM 0.02 | 11:32AM 0.04 | 11:53PM 0.12 | 12:15PM 0.12 | 12:35AM 0.28 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 | - |
| Sunset | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:29 | - | - | - | - | - | - |
 |  |  | |  | |  | | | | | | | | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | 1 | - | 2 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 29 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 28 | 29 | 29 | 27 | 27 | 27 | 26 | 26 | 28 |
| Feels °C (?) | 30 | 29 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 30 | 28 | 29 | 28 | 28 | 29 | 30 | 30 | 29 | 28 | 30 | 29 | 29 | 30 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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