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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 12 am Thursday 16 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
15.2° C
(Which is slightly cooler than normal)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 5AM is: 3.5m 16s primary swell from a West-northwest direction and 0.2m 9s secondary swell from a North direction (forecast issued at 12:00am April 16). The wind direction is predicted to be cross-offshore and the swell rating is 7.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Apr) | 13ft (4.0m) | 15s |
| Afternoon (16 Apr) | 11ft (3.5m) | 15s |
| Evening (16 Apr) | 11ft (3.5m) | 14s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 16 | Friday 17 | Saturday 18 | ||||||||||||||||||||||
| 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) (?) | 12 | 16 | 16 | 15 | 15 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2067 | 5271 | 6427 | 6460 | 6859 | 6652 | 5572 | 4638 | 3929 | 3399 | 2385 | 2113 | 1775 | 1366 | 1217 | 1217 | 1197 | 1177 | 1106 | 1082 | 957 | 800 | 700 | 511 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- off | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross |
High Tide / height (m) | 2:25AM 2.97 | 2:51PM 2.92 | 3:05AM 3.09 | 3:29PM 3.05 | 3:46AM 3.14 | 4:08PM 3.11 | ||||||||||||||||||
Low Tide / height (m) | 8:14PM 0.29 | 8:39AM 0.05 | 8:54PM 0.11 | 9:17AM -0.06 | 9:34PM -0.01 | 9:56AM -0.07 | ||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:00 | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:56 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:16 |
 | | | |  |  | | |  |  | | | | | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 13 | 12 | 12 | 14 | 15 | 15 | 14 | 13 | 12 | 12 | 11 | 14 | 16 | 16 | 15 | 13 | 13 | 13 | 13 | 16 | 18 | 16 | 16 |
| Feels °C (?) | 10 | 11 | 10 | 10 | 12 | 12 | 11 | 10 | 9 | 8 | 8 | 7 | 10 | 12 | 11 | 10 | 8 | 8 | 9 | 10 | 14 | 16 | 13 | 13 |
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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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