- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 6 pm Wednesday 22 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
15.5° C
(Which is normal for this time of year)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 1AM is: 1.2m 13s primary swell from a Northwest direction and 1.6m 10s secondary swell from a West direction (forecast issued at 06:00pm April 22). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 5.5ft (1.7m) | 10s |
| Afternoon (23 Apr) | 7ft (2.2m) | 11s |
| Evening (23 Apr) | 6.5ft (2.0m) | 11s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Fri morning, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 22 | Thursday 23 | Friday 24 | Sat 25 | |||||||||||||||||||||
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 | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 14 | NW 13 | NW 13 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | |
1688 | 892 | 591 | 473 | 533 | 555 | 635 | 932 | 1280 | 1107 | 804 | 669 | 751 | 736 | 722 | 661 | 650 | 569 | 510 | 500 | 441 | 369 | 288 | 235 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | glassy | glassy | glassy | glassy | on | on | on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 7:25PM2.61m | 8:11AM2.25m | 8:38PM2.45m | 9:35AM2.12m | 10:03PM2.39m | 11:01AM2.14m | ||||||||||||||||||
Low Tide | 1:01PM0.61m | 1:50AM0.56m | 2:08PM0.81m | 3:14AM0.70m | 3:34PM0.92m | 4:45AM0.71m | ||||||||||||||||||
 | |  | | | | |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:48 | — | — | — |
 | — | 8:21 | — | — | — | — | — | — | — | 8:21 | — | — | — | — | — | — | — | 8:22 | — | — | — | — | — | 8:22 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 15 | 14 | 14 | 13 | 13 | 14 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 17 | 17 | 16 | 15 | 14 | 14 | 14 | 15 | 17 |
12 | 12 | 11 | 13 | 13 | 12 | 13 | 15 | 13 | 13 | 14 | 13 | 13 | 13 | 14 | 15 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 14 | |
Swell 1 Height (m) Direction Period (s) | NW 14 | NW 13 | W 9 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 |
 kJ | 1688 | 892 | 392 | 464 | 533 | 555 | 635 | 932 | 1280 | 1107 | 804 | 669 | 751 | 736 | 722 | 661 | 650 | 569 | 510 | 500 | 441 | 369 | 288 | 235 |
Swell 2 Height (m) Direction Period (s) | SSW 6 | W 8 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | S 13 | — | NW 11 | NW 10 | — | — | — | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 |
| kJ | 20 | 156 | 591 | 473 | 357 | 272 | 197 | 139 | 3 | — | 115 | 87 | — | — | — | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | N 8 | SSW 6 | SSW 6 | SSW 6 | SW 13 | SW 13 | SW 13 | SW 13 | — | — | — | S 12 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 13 | 13 | 6 | 7 | 7 | 7 | 7 | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 3 | NW 3 | N 3 | — | N 4 | N 4 | N 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | 3 | — | 6 | 10 | 11 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 214 | 29 | 29 | 0 | 0 | 0 | 0 | 213 | 29 | 25 | 25 | 25 | 21 | 6 | 25 | 25 | 28 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
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.
Nearest