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Surf Forecasts:

Backdoor surfForecast / Ericeira / Portugal

information circle48hr Weather and Surf, issued 11 pm Wednesday 19 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
18.2° C
 (Which is slightly warmer than usual)

How big are the waves at Backdoor today?

The current surf forecast for Backdoor at 5AM is: 1.5m 7s primary swell from a North-northwest direction and 0.7m 12s secondary swell from a West-northwest direction, 0.1m 12s secondary swell from a North direction (forecast issued at 11:00pm November 19). The wind direction is predicted to be cross-shore.

Time (WET) & DateWave HeightWave Period
Morning (20 Nov)5.5ft (1.7m)7s
Afternoon (20 Nov)8ft (2.4m)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
9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM
Rating
(10 max)
0
1
1
0
0
0
0
0
1
2
2
1
2
1
1
1
1
3
3
3
3
3
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
NNW
1.4
NNW
1.4
NNW
1.5
NNW
1.7
NNW
2.2
NNW
2.4
NNW
2.5
NNW
2.5
NNW
3
NNW
2.1
N
2.1
N
1.9
NNW
1.1
NNW
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
Period(s) (?)777778888888111114141413131313131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2391801751982935406748509621058603504862286356413401482451444444437437431
Wind
(km/h)
25
NNE
20
NNE
25
NNE
25
N
35
N
40
N
40
N
40
N
40
NNE
30
NNE
30
NNE
30
NNE
30
NNE
35
NNE
35
NNE
30
NNE
25
NNE
15
ENE
10
ENE
10
ENE
10
ENE
5
NNE
10
N
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		crosscrosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffcross-
off		crosscross
High Tide
/ height (m)
2:13AM
2.74
2:32PM
2.62
2:46AM
2.75
3:05PM
2.58
3:19AM
2.72
3:39PM
2.50
Low Tide
/ height (m)
8:00PM
0.40
8:22AM
0.37
8:32PM
0.41
8:56AM
0.37
9:04PM
0.45
9:30AM
0.42
Thursday
20
Friday
21
Saturday
22
Sunrise----7:24-------7:26-------7:26---
Sunset------5:20-------5:20-------5:19-
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C141414141313131213131311121313121211111010111212
Feels °C (?)999964434664555577877898
  • 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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