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Surf Forecasts:

Backdoor surfForecast / Ericeira / Portugal

information circle48hr Weather and Surf, issued 5 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 9PM is: 0.8m 11s primary swell from a West-northwest direction and 0.9m 8s secondary swell from a North-northwest direction, 0.9m 7s secondary swell from a West-northwest direction (forecast issued at 05:00pm January 08). The wind direction is predicted to be onshore.

Time (WET) & DateWave HeightWave Period
Morning (08 Jan)--
Afternoon (08 Jan)4.5ft (1.3m)8s
Evening (08 Jan)2.5ft (0.8m)11s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
08
Friday
09
Saturday
10
Sunday
11
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
0
0
0
0
3
0
0
0
2
2
2
3
3
3
2
3
4
4
3
3
3
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
NNW
1.2
NW
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
2.5
NW
2.5
NW
3
NW
2.5
NW
2.5
NW
2.4
NW
2.3
NW
1.9
NW
1.7
NNW
Period(s) (?)88118912131312121211131313131212131313131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)235196128311612216934783350268023622004158514521430200520461859232024562111191216451082769
Wind
(km/h)
20
SW
20
WSW
20
WSW
25
W
25
W
30
W
20
NNW
20
NNW
20
NW
25
NNW
20
NNW
20
NNW
15
N
15
N
10
N
10
NNW
10
NNW
10
NNW
5
NNW
5
WSW
5
SW
10
SSW
10
S
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		onononononcrosscross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscrosscross-
on		crossglassglasscross-
on		cross-
on		crosscross
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)
12:13PM
0.40
12:17AM
0.59
12:58PM
0.59
1:06AM
0.77
1:46PM
0.77
2:03AM
0.92
Thursday
08
Friday
09
Saturday
10
Sunday
11
Sunrise------7:56-------7:56-------7:56-
Sunset5:31-------5:32-------5:34-------
cloud
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
clear
part cloud
clear
cloud
cloud
part cloud
cloud
cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
Rain (mm)
-----11-----------------
Temp. °C131415151414131313131313131312131312121112121213
Feels °C (?)91111101010109988999910101011101010910
  • 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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