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Surf Forecasts:

Backdoor surfForecast / Ericeira / Portugal

information circle48hr Weather and Surf, issued 11 pm Thursday 08 Jan 2026 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
14.7° C
 (Which is slightly cooler than normal)

How big are the waves at Backdoor today?

The current surf forecast for Backdoor at 5AM is: 3.0m 12s primary swell from a Northwest direction and 0.3m 13s secondary swell from a West-northwest direction (forecast issued at 11:00pm January 08). The wind direction is predicted to be onshore.

Time (WET) & DateWave HeightWave Period
Morning (09 Jan)11ft (3.5m)13s
Afternoon (09 Jan)10ft (3.0m)12s
Evening (09 Jan)10ft (3.0m)12s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
09
Saturday
10
Sunday
11
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
0
0
0
3
0
0
0
2
1
2
4
4
4
3
4
4
4
3
3
3
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
WNW
1.6
NW
2
NW
3
NW
3.5
NW
3.5
NW
3
NW
3
NW
3
NW
2.5
NW
2.1
NNW
2.1
NW
2.4
NW
2.4
NW
2.5
NW
2.4
NW
2.5
NW
2.5
NW
2.4
NW
2.1
NW
1.9
NW
1.6
NW
1.7
NW
1.7
NW
Period(s) (?)1189121313121212111313131212121313131312121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)128304612213236453477278423622004168414521430197518261799155722722140191213691042734773781
Wind
(km/h)
20
W
25
W
25
W
30
W
25
NNW
25
NW
25
NW
25
NNW
20
NNW
15
NNW
20
NNW
15
NNE
10
NE
5
NW
10
NW
5
NW
0
SSW
5
SW
5
SW
10
S
15
S
20
S
25
S
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononcrosscross-
on		cross-
on		cross-
on		crosscross-
on		crosscross-
off		cross-
off		glasscross-
on		glassglassglasscross-
on		crosscrosscrosscrosscross
High Tide
/ height (m)
6:23PM
2.42
6:39AM
2.61
7:10PM
2.27
7:28AM
2.38
8:04PM
2.16
8:25AM
2.19
Low Tide
/ height (m)
12:17AM
0.59
12:58PM
0.59
1:06AM
0.77
1:46PM
0.77
2:03AM
0.92
2:42PM
0.91
Friday
09
Saturday
10
Sunday
11
Sunrise----7:56-------7:56-------7:56---
Sunset------5:32-------5:34-------5:35-
part cloud
part cloud
part cloud
light rain
rain showers
clear
cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
cloud
part cloud
clear
part cloud
Rain (mm)
---11-------------------
Temp. °C151514141413131313131312121313121212121212141414
Feels °C (?)111199108889999101211111111109910910
  • 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 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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