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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 12 pm Monday 20 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 6PM is: 0.7m 8s primary swell from a North-northwest direction and 0.5m 10s secondary swell from a West-northwest direction (forecast issued at 12:00pm April 20). The wind direction is predicted to be cross-offshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 2.5ft (0.8m) | 9s |
| Afternoon (20 Apr) | 2.5ft (0.8m) | 9s |
| Evening (20 Apr) | 2.5ft (0.8m) | 8s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 8 | 8 | 8 | 8 | 13 | 6 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 14 | 14 | 13 | 13 | 13 | 10 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 101 | 86 | 82 | 59 | 80 | 80 | 54 | 48 | 115 | 255 | 478 | 780 | 1180 | 1536 | 1783 | 1739 | 1472 | 2027 | 1657 | 1280 | 1077 | 537 | 495 | 764 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | on | off | cross- off | off | cross- off | cross | cross | cross | cross- on | cross- on | cross- on | on | on | glass | glass | cross- on | on | on | cross- on | cross | cross- off | cross |
High Tide / height (m) | 5:35PM 2.97 | 6:05AM 2.73 | 6:25PM 2.80 | 7:01AM 2.48 | 7:25PM 2.61 | |||||||||||||||||||
Low Tide / height (m) | 11:19AM 0.16 | 11:49PM 0.14 | 12:06PM 0.37 | 12:44AM 0.35 | 1:01PM 0.61 | 1:50AM 0.56 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:50 |
| Sunset | - | - | - | 8:19 | - | - | - | - | - | - | - | 8:20 | - | - | - | - | - | - | - | 8:21 | - | - | - | - |
 | | |  |  | |  | | | |  | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 20 | 18 | 21 | 20 | 20 | 20 | 18 | 18 | 17 | 17 | 15 | 14 | 13 | 13 | 12 | 13 | 14 | 15 | 14 | 13 | 13 | 13 | 13 |
| Feels °C (?) | 16 | 20 | 16 | 18 | 19 | 17 | 12 | 14 | 15 | 13 | 13 | 11 | 10 | 10 | 11 | 11 | 12 | 12 | 12 | 11 | 10 | 10 | 11 | 12 |
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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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