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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 12 am Saturday 11 Apr 2026 WESTForecast 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
15.3° 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: 2.4m 14s primary swell from a Northwest direction and 2.3m 7s secondary swell from a North-northwest direction (forecast issued at 12:00am April 11). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Apr) | 7ft (2.2m) | 14s |
| Afternoon (11 Apr) | 13ft (4.0m) | 9s |
| Evening (11 Apr) | 18ft (5.5m) | 10s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 11 | Sunday 12 | Monday 13 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 14 | 14 | 8 | 9 | 9 | 10 | 11 | 11 | 14 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3725 | 3604 | 3420 | 1902 | 1530 | 2146 | 2994 | 4730 | 6932 | 7692 | 11574 | 11740 | 12085 | 11230 | 10216 | 9247 | 8559 | 7301 | 5961 | 5044 | 4458 | 3753 | 3174 | 2843 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 9:59PM 2.02 | 10:57AM 1.88 | 11:23PM 2.13 | 12:06PM 2.04 | 12:20AM 2.33 | 12:55PM 2.26 | ||||||||||||||||||
Low Tide / height (m) | 4:38AM 1.09 | 4:55PM 1.12 | 5:54AM 0.92 | 6:04PM 0.95 | 6:44AM 0.70 | 6:53PM 0.73 | ||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:09 | - | - | - | - | - | - | - | 8:10 | - | - | - | - | - | - | - | 8:12 |
 |  | | |  | |  | | | | | | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 13 | 13 | 13 | 13 | 12 | 11 | 11 | 10 | 10 | 11 | 11 | 12 | 13 | 13 | 13 | 12 | 13 | 12 | 13 | 13 | 14 | 14 | 13 |
| Feels °C (?) | 12 | 9 | 6 | 5 | 5 | 1 | -1 | -1 | -3 | -3 | 0 | 0 | 1 | 3 | 4 | 4 | 4 | 7 | 7 | 8 | 8 | 9 | 9 | 8 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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.
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