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Surf Forecasts:

Backdoor surfForecast / Ericeira / Portugal

information circle48hr Weather and Surf, issued 5 pm Thursday 20 Nov 2025 WET
Forecast update in hr  min  s Forecast update imminent
Backdoor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Backdoor sea temperature is
18.0° C
 (Which is slightly warmer than usual)

How big are the waves at Backdoor today?

The current surf forecast for Backdoor at 11PM is: 2.5m 8s primary swell from a North-northwest direction and 0.9m 12s secondary swell from a North-northwest direction, 0.7m 11s secondary swell from a West-northwest direction (forecast issued at 05:00pm November 20). The wind direction is predicted to be cross-offshore.

Time (WET) & DateWave HeightWave Period
Morning (20 Nov)--
Afternoon (20 Nov)8ft (2.5m)8s
Evening (20 Nov)8ft (2.5m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
20
Friday
21
Saturday
22
Sunday
23
3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM
Rating
(10 max)
0
0
1
2
1
1
1
1
0
1
1
3
3
3
3
3
2
2
3
2
2
2
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.5
NNW
2.5
NNW
2.5
N
2.5
NNW
2.4
NNW
2.1
N
1.1
NNW
1.8
N
0.9
WNW
1
WNW
1
WNW
1.2
WNW
1.1
WNW
1.1
WNW
1.1
WNW
1.1
WNW
1.1
WNW
1.1
WNW
1.1
WNW
1.1
WNW
1
WNW
1
WNW
1
WNW
1
WNW
Period(s) (?)888887111114141413131313131313131312121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)699754836773644491297734356413401482451451444444437431424411329313308303
Wind
(km/h)
40
N
40
N
40
NNE
35
NNE
35
NNE
35
NNE
30
NNE
35
NNE
35
NNE
30
NNE
25
NNE
15
ENE
10
ENE
15
ENE
15
ENE
10
ENE
10
N
15
N
15
NNE
15
NNE
10
NNE
10
N
10
NNW
10
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffcross-
off		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		crosson
High Tide
/ height (m)
2:32PM
2.62
2:46AM
2.75
3:05PM
2.58
3:19AM
2.72
3:39PM
2.50
3:53AM
2.66
Low Tide
/ height (m)
8:32PM
0.41
8:56AM
0.37
9:04PM
0.45
9:30AM
0.42
9:37PM
0.52
10:06AM
0.50
Thursday
20
Friday
21
Saturday
22
Sunday
23
Sunrise------7:26-------7:26-------7:28-
Sunset5:20-------5:20-------5:19-------
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C13121313131212131312121110109111212111212131315
Feels °C (?)435554645567765888789111113
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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 Backdoor 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 Backdoor at:
surf-forecast.com

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