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Surf Forecasts:

Back Door surfForecast / Bahia – Sul / Brazil

information circle48hr Weather and Surf, issued 8 pm Wednesday 17 Dec 2025 -03
Forecast update in hr  min  s Forecast update imminent
Back Door surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Back Door sea temperature is
26.5° C
 (Which is normal for this time of year)

How big are the waves at Back Door today?

The current surf forecast for Back Door at 4AM is: 1.1m 7s primary swell from a East direction and 0.1m 11s secondary swell from a Southeast direction, 0.1m 8s secondary swell from a Northeast direction (forecast issued at 08:00pm December 17). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (18 Dec)4ft (1.2m)7s
Afternoon (18 Dec)4ft (1.2m)7s
Evening (18 Dec)3.5ft (1.1m)7s

Table - waves today at Back Door. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wed
17
Thursday
18
Friday
19
Saturday
20
6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
E
1.1
E
1.1
E
1.1
E
1.1
E
1.2
E
1.2
E
1.2
E
1.1
E
1.1
E
1.1
E
1.1
E
1
E
1
E
1
E
1
E
1
E
1.1
E
1.1
E
1.1
E
1.1
E
1.1
E
1.1
E
1.1
E
Period(s) (?)777777777777777777777777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)11711711712012015015615613012612612610297949292111107107110113113110
Wind
(km/h)
10
NE
10
NE
10
NE
10
NNE
5
NNE
15
NE
15
ENE
15
ENE
10
ENE
5
E
5
ESE
0
E
5
ENE
10
E
15
E
15
E
10
E
10
E
10
E
5
E
5
SE
5
SE
10
ESE
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		crosscrosscross-
on		cross-
on		onononglassglassglassonononononononcross-
on		cross-
on		oncross-
on
High Tide
/ height (m)
2:21AM
1.71
2:28PM
1.75
2:59AM
1.74
3:03PM
1.79
3:35AM
1.77
Low Tide
/ height (m)
8:08PM
0.32
8:25AM
0.43
8:45PM
0.26
9:00AM
0.40
9:20PM
0.22
9:34AM
0.39
Wed
17
Thursday
18
Friday
19
Saturday
20
Sunrise----5:01-------5:01-------5:01---
Sunset6:01-------6:01-------6:02-------
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
--------------------1211
Temp. °C252524232327272625242423232727272625252525262726
Feels °C (?)262726252527272627272727262827282827282828292926
  • 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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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 Back Door 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.

View detailed surf forecast for Back Door at:
surf-forecast.com

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