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Surf Forecasts:

Backdoor surfForecast / Ericeira / Portugal

information circle48hr Weather and Surf, issued 6 am Sunday 24 Aug 2025 WEST
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
19.2° C
 (Which is 1.4°C colder than average for this time of year)

How big are the waves at Backdoor today?

The current surf forecast for Backdoor at 7AM is: 1.1m 6s primary swell from a North-northwest direction and 0.5m 8s secondary swell from a West direction (forecast issued at 06:00am August 24). An open ocean swell of 0.2m 15s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (WEST) & DateWave HeightWave Period
Morning (24 Aug)3.5ft (1.0m)6s
Afternoon (24 Aug)3ft (0.9m)6s
Evening (24 Aug)1ft (0.3m)22s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sunday
24
Monday
25
Tuesday
26
Wed
27
4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
1
1
0
1
2
2
6
6
7
5
5
3
3
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
NNW
1.1
NNW
1
NNW
0.9
NNW
0.3
W
0.5
WNW
0.8
WNW
0.9
WNW
0.9
WNW
0.5
W
0.7
W
0.8
W
0.9
W
1.1
W
1.8
WNW
2.5
WNW
3.5
WNW
3.5
WNW
4
WNW
4
WNW
4
WNW
3.5
WNW
3.5
WNW
3.5
WNW
Period(s) (?)66661611101010202020212121201918171716161515
Wave
Graph
(?)Metric surfscale
Energy (?)1461331089215113126027734736959375696913643008491081787619903078677121586351454767
Wind
(km/h)
20
N
25
NNW
20
NNW
20
NNW
25
NNW
25
NNW
25
NNW
20
N
15
N
15
N
20
N
20
NNW
25
NNW
30
NNW
25
N
25
N
25
N
20
N
25
N
30
NNW
35
NNW
35
NNW
30
N
35
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
on		cross-
on		crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross
High Tide
/ height (m)
4:07AM
2.78
4:20PM
3.07
4:40AM
2.78
4:53PM
3.01
5:12AM
2.74
5:25PM
2.88
Low Tide
/ height (m)
10:05AM
0.19
10:33PM
0.10
10:38AM
0.20
11:04PM
0.16
11:10AM
0.26
11:34PM
0.28
Sunday
24
Monday
25
Tuesday
26
Wed
27
Sunrise-6:58-------6:58--------7:00-----
Sunset-----8:20-------8:19-------8:17--
cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
Rain (mm)
------------------------
Temp. °C181819202019181818181921212019181818202120191818
Feels °C (?)171617181817161717181819181717161616171817151414
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Ericeira

  1. weather stationWind Update The wind is still cross-on at Backdoor (moderate winds from the NNW at Sintra/Granja 13 km from Backdoor). 1.2m 6s windswell from the NNW with a 0.5m 8s swell from the WNW. 2 swells combining to make bigger set waves.

    3 hours 27 minutes ago Backdoor
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3 h 27 min ago

25 km/h
NNW
Cross-On
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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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