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Back Door Surf Forecast
/ Bahia – Sul (17 surf breaks) /
Surf Forecasts:
Back Door surfForecast / Bahia – Sul / Brazil
48hr Weather and Surf, issued 8 am Saturday 18 Oct 2025 -03
How big are the waves at Back Door today?
The current surf forecast for Back Door at 3PM is: 1.2m 8s primary swell from a East direction and 0.1m 14s secondary swell from a South direction (forecast issued at 08:00am October 18). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 4ft (1.2m) | 8s |
| Afternoon (18 Oct) | 4ft (1.2m) | 8s |
| Evening (18 Oct) | 3ft (0.9m) | 8s |
Table - waves today at Back Door. (Swell directed towards the surf break)
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| 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 | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 6 | 6 | 6 | 6 | 7 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 173 | 172 | 167 | 172 | 203 | 89 | 100 | 93 | 93 | 83 | 135 | 136 | 161 | 215 | 77 | 71 | 75 | 553 | 637 | 748 | 1109 | 1310 | 1005 | 780 |
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 | cross- off | cross | cross | cross- on | cross- on | cross- on | cross- on | glass | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross- off |
High Tide / height (m) | 1:46PM 1.83 | 1:53AM 1.93 | 2:15PM 1.89 | 2:25AM 1.97 | 2:43PM 1.93 | 2:57AM 1.98 | ||||||||||||||||||
Low Tide / height (m) | 7:38AM 0.24 | 7:50PM 0.33 | 8:09AM 0.20 | 8:20PM 0.26 | 8:37AM 0.18 | 8:48PM 0.20 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| Sunrise | 5:07 | - | - | - | - | - | - | - | 5:07 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:35 | - | - | - | - |
 |  |  |  |  | | |  |  | | | | | |  | | | | | |  | | | | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 3 | 5 | 2 | 1 | 1 | 1 | 2 | 2 | 1 |
| Temp. °C | 24 | 25 | 26 | 26 | 24 | 24 | 23 | 22 | 23 | 26 | 27 | 26 | 25 | 25 | 24 | 24 | 22 | 21 | 22 | 22 | 22 | 21 | 20 | 19 |
| Feels °C (?) | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 26 | 26 | 26 | 26 | 28 | 28 | 28 | 22 | 20 | 20 | 21 | 21 | 19 | 19 | 18 |
- 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 Bahia - Sul
The wind is still cross-on at Back Door (moderate winds from the ENE at Ilheus Airport 15 km from Back Door). A 1.2m swell from the E
1 h 52 min ago
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