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Surf Forecasts:

Backdoor surfForecast / Ericeira / Portugal

information circle48hr Weather and Surf, issued 5 am Tuesday 17 Mar 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
14.0° C
 (Which is 1.3°C colder than average for this time of year)

How big are the waves at Backdoor today?

The current surf forecast for Backdoor at 12PM is: 2.5m 14s primary swell from a Northwest direction and 1.1m 19s secondary swell from a Northwest direction (forecast issued at 05:00am March 17). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (WET) & DateWave HeightWave Period
Morning (17 Mar)10ft (3.0m)14s
Afternoon (17 Mar)8ft (2.4m)14s
Evening (17 Mar)7.5ft (2.3m)16s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM
Rating
(10 max)
7
6
4
3
2
0
1
2
2
2
3
2
3
5
7
4
5
4
2
3
2
2
4
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3.5
NW
3
NW
3
NW
2.5
NW
2.4
NW
2.4
NW
2.3
NW
2.4
NW
2.5
NW
3
NW
3
NW
2.3
WNW
2.2
WNW
3.5
NW
4
NW
3.5
NW
3.5
NW
3
NW
3
WNW
3
WNW
2.5
WNW
2.5
NW
2.5
NW
2.4
NW
Period(s) (?)161514141414161615151515161717151616141414141413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)534140813636293621902158256727232562351738652272237976118092596253875025384232572981268623802032
Wind
(km/h)
15
ESE
15
ESE
25
SE
25
SSE
35
S
40
S
30
S
35
SSE
35
SSE
40
SSE
30
SE
35
SSE
40
SSE
45
SSE
25
SE
30
SSE
15
SE
30
SE
30
S
35
SSE
30
SSE
25
SE
15
E
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off		cross-
off		crosscrosscrosscross-
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		offoff
High Tide
/ height (m)
1:26AM
2.79
1:49PM
2.69
2:00AM
2.99
2:23PM
2.86
2:35AM
3.13
2:57PM
2.98
Low Tide
/ height (m)
7:41AM
0.26
7:48PM
0.28
8:14AM
0.07
8:23PM
0.12
8:48AM
-0.05
8:58PM
0.02
Tuesday
17
Wednesday
18
Thursday
19
Fri
20
Sunrise--6:46-------6:45-------6:43-----
Sunset-----6:45-------6:46-------6:47--
clear
clear
clear
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
clear
rain showers
rain showers
light rain
rain showers
mod rain
heavy rain
rain showers
light rain
cloud
light rain
light rain
mod rain
light rain
Rain (mm)
------5224-112491452-1194
Temp. °C141213161615141414141416161514131313131413121112
Feels °C (?)11871010998879987108107777797
  • 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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