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Surf Forecasts:

Backdoor surfForecast / Ericeira / Portugal

information circle48hr Weather and Surf, issued 5 pm Friday 21 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
17.8° C
 (Which is normal for this time of year)

How big are the waves at Backdoor today?

The current surf forecast for Backdoor at 9PM is: 1.0m 14s primary swell from a West-northwest direction and 0.8m 10s secondary swell from a North-northwest direction, 1.4m 6s secondary swell from a North direction (forecast issued at 05:00pm November 21). The wind direction is predicted to be cross-offshore.

Time (WET) & DateWave HeightWave Period
Morning (21 Nov)--
Afternoon (21 Nov)3ft (0.9m)14s
Evening (21 Nov)3.5ft (1.0m)14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
21
Saturday
22
Sunday
23
Monday
24
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)
1
1
2
3
3
3
3
3
2
2
3
2
1
1
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
WNW
1
WNW
1
WNW
1.2
WNW
1.1
WNW
1.2
WNW
1.1
WNW
1.2
WNW
1.1
WNW
1.1
WNW
1.1
WNW
1.1
WNW
1.1
WNW
1
WNW
1
WNW
1
WNW
1
WNW
0.9
WNW
0.9
WNW
1.3
NW
1.6
NW
1.9
NW
2.2
NW
2.4
WNW
Period(s) (?)1414141313131313131313131212121212121288789
Wave
Graph
(?)Metric surfscale
Energy kJ (?)356413401482451475444468437431424411392313308303303246242229289394602924
Wind
(km/h)
35
NNE
30
NNE
20
NE
15
NE
10
ENE
15
ENE
15
ENE
10
ENE
10
N
15
N
15
NNE
10
NNE
10
N
10
N
5
NW
10
W
15
W
20
W
25
W
25
W
30
WSW
35
WSW
35
W
35
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
off		crosscrosscross-
off		cross-
off		crosscrosscross-
on		ononononononononon
High Tide
/ height (m)
3:05PM
2.58
3:19AM
2.72
3:39PM
2.50
3:53AM
2.66
4:15PM
2.41
4:30AM
2.58
Low Tide
/ height (m)
9:04PM
0.45
9:30AM
0.42
9:37PM
0.52
10:06AM
0.50
10:12PM
0.60
10:45AM
0.60
Friday
21
Saturday
22
Sunday
23
Monday
24
Sunrise------7:26-------7:28-------7:28-
Sunset5:20-------5:19-------5:19-------
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
rain showers
light rain
Rain (mm)
----------------------11
Temp. °C13121211101091112121212121314151616161617171718
Feels °C (?)557776588889101113131313121212111112
  • 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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