Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Backdoor surfForecast / Ericeira / Portugal

information circle48hr Weather and Surf, issued 11 pm Tuesday 25 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
17.0° C
 (Which is normal for this time of year)

How big are the waves at Backdoor today?

The current surf forecast for Backdoor at 6AM is: 1.9m 10s primary swell from a North-northwest direction and 1.0m 10s secondary swell from a West-northwest direction (forecast issued at 11:00pm November 25). The wind direction is predicted to be cross-offshore.

Time (WET) & DateWave HeightWave Period
Morning (26 Nov)6ft (1.8m)10s
Afternoon (26 Nov)5ft (1.5m)10s
Evening (26 Nov)4.5ft (1.3m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
26
Thursday
27
Friday
28
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)
2
2
3
1
2
2
2
1
2
2
2
1
1
1
0
0
0
0
0
0
0
0
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.2
NNW
2.1
NNW
2
NNW
1.9
NNW
1.8
NNW
1.7
NNW
1.5
NNW
1.4
NNW
1.3
NNW
1.2
NNW
1.1
NNW
1
NNW
1
NNW
0.9
NNW
0.8
NNW
0.7
NNW
0.4
NNW
0.5
NNW
0.4
NW
0.6
NW
0.6
NW
0.6
NW
1.6
NW
2.3
NW
Period(s) (?)1211111010101099999888888888191716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)12801053891778616540408322260218180141131967658243524453523415552601
Wind
(km/h)
30
NNE
30
N
25
NNE
25
NNE
20
NNE
20
NNE
20
NNE
15
NNE
10
NNE
10
NE
10
NE
10
NE
10
NE
10
NNE
20
N
20
NNE
20
NNE
20
NNE
20
NNE
15
NNE
15
NNE
20
N
20
N
20
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross
High Tide
/ height (m)
5:56AM
2.40
6:27PM
2.10
6:50AM
2.33
7:30PM
2.06
7:53AM
2.31
Low Tide
/ height (m)
11:31PM
0.78
12:17PM
0.78
12:22AM
0.87
1:16PM
0.81
1:25AM
0.92
2:23PM
0.78
Wednesday
26
Thursday
27
Friday
28
Sunrise----7:31-------7:31-------7:33---
Sunset------5:16-------5:16-------5:15-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
Rain (mm)
------------------------
Temp. °C141414131213141313121211111314131312121212141414
Feels °C (?)8910889991099881099108999111110
  • 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

Latest Updates

Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Ben Mondy

Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.

Feel that? If you are in the northern hemisphere, you will have had that first bite of winter. The lick of a frost, the chill of a cold offshore breeze and the sound of winter swells pounding the shores. If you are near the mountains, your favourite jackets, gloves, and footwear might get dusted off and prepped for battle. And in that beautiful Venn diagram, you will find PrimaLoft. They have spent over 40 years developing innovative insulations that have powered your warmest winter gear. In t

Read more

Read more

Discover more articles and updates in the Greenroom.

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

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest