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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 6 pm Monday 27 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
16.1° C
(Which is normal for this time of year)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 12AM is: 1.1m 7s primary swell from a North-northwest direction and 0.5m 10s secondary swell from a West direction, 0.4m 8s secondary swell from a West direction (forecast issued at 06:00pm April 27). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 4.5ft (1.3m) | 8s |
| Afternoon (28 Apr) | 3ft (0.9m) | 14s |
| Evening (28 Apr) | 3.5ft (1.0m) | 13s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Tue afternoon. Very mild (max 19°C on Mon afternoon, min 15°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | W 11 | WNW 11 | NW 18 | NW 17 | |
135 | 128 | 108 | 105 | 128 | 186 | 226 | 220 | 312 | 367 | 345 | 379 | 393 | 400 | 475 | 439 | 367 | 355 | 288 | 263 | 247 | 198 | 447 | 640 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross | cross | cross | cross | cross-on | on | on | cross-on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-on | |
High Tide | 1:03PM2.41m | 1:15AM2.65m | 1:45PM2.55m | 1:57AM2.73m | 2:21PM2.67m | 2:34AM2.76m | ||||||||||||||||||
Low Tide | 7:05PM0.62m | 7:35AM0.39m | 7:48PM0.49m | 8:11AM0.32m | 8:25PM0.39m | 8:44AM0.29m | ||||||||||||||||||
 | |  |  | | |  | |  | | | | | | | |  | |  | | | | | | |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:41 | — | — | — |
 | — | 8:24 | — | — | — | — | — | — | — | 8:25 | — | — | — | — | — | — | — | 8:27 | — | — | — | — | — | 8:28 |
— | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 17 | 16 | 15 | 15 | 15 | 16 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 17 | 16 | 15 | 15 | 15 | 15 | 17 | 18 |
17 | 15 | 14 | 13 | 14 | 14 | 15 | 16 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 13 | 14 | 13 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | NNW 7 | NNW 7 | NNW 7 | W 10 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | W 11 | WNW 11 | WNW 11 | NW 17 |
 kJ | 135 | 128 | 108 | 52 | 128 | 186 | 226 | 214 | 181 | 148 | 120 | 379 | 393 | 400 | 475 | 439 | 367 | 355 | 288 | 263 | 247 | 198 | 198 | 640 |
Swell 2 Height (m) Direction Period (s) | W 8 | W 11 | W 11 | W 8 | W 10 | W 10 | WNW 15 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | NNW 7 | NNW 7 | NNW 6 | N 8 | NW 8 | NNW 8 | NNW 8 | WSW 5 | WSW 5 | NNW 8 | N 8 | NW 18 | WNW 11 |
| kJ | 30 | 62 | 57 | 20 | 73 | 71 | 167 | 220 | 312 | 367 | 345 | 96 | 76 | 71 | 60 | 158 | 92 | 115 | 45 | 41 | 87 | 82 | 447 | 194 |
Swell 3 Height (m) Direction Period (s) | WNW 11 | WNW 8 | NW 8 | NW 8 | WNW 16 | WNW 15 | W 10 | W 9 | W 9 | W 9 | W 9 | WNW 9 | WNW 8 | WNW 8 | WNW 6 | — | — | — | NNW 8 | NNW 8 | WSW 5 | WSW 5 | N 8 | N 8 |
| kJ | 41 | 25 | 16 | 14 | 85 | 126 | 67 | 43 | 42 | 41 | 40 | 25 | 13 | 22 | 24 | — | — | — | 115 | 90 | 31 | 31 | 61 | 57 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNW 7 | — | — | — | — | — | — | — | — | — | — | — | W 5 | WSW 4 | WSW 5 | WSW 5 | — | — | — | — | WSW 5 |
| kJ | — | — | — | 105 | — | — | — | — | — | — | — | — | — | — | — | 29 | 23 | 48 | 62 | — | — | — | — | 17 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 213 | 203 | 25 | 25 | 49 | 29 | 49 | 49 | 412 | 49 | 49 | 1 | 1 | 0 | 1 | 12 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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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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