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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 6 am 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 12PM is: 1.2m 7s primary swell from a North-northwest direction and 0.6m 8s secondary swell from a West-northwest direction (forecast issued at 06:00am April 27). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 4ft (1.2m) | 7s |
| Afternoon (27 Apr) | 4ft (1.2m) | 7s |
| Evening (27 Apr) | 4ft (1.2m) | 7s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Mon morning, min 15°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||||||||
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 | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 9 | NNW 7 | NNW 7 | NNW 7 | 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 | |
87 | 121 | 132 | 163 | 135 | 128 | 128 | 124 | 132 | 186 | 222 | 220 | 312 | 367 | 345 | 379 | 393 | 400 | 475 | 439 | 432 | 355 | 337 | 263 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 1:03PM2.41m | 1:15AM2.65m | 1:45PM2.55m | 1:57AM2.73m | 2:21PM2.67m | |||||||||||||||||||
Low Tide | 6:53AM0.50m | 7:05PM0.62m | 7:35AM0.39m | 7:48PM0.49m | 8:11AM0.32m | 8:25PM0.39m | ||||||||||||||||||
 |  | |  | |  | |  | | | | | | |  | | | | | | | | | | |
 | 6:45 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | 6:41 |
 | — | — | — | — | — | 8:24 | — | — | — | — | — | — | — | 8:25 | — | — | — | — | — | — | — | 8:27 | — | 8:28 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 18 | 20 | 19 | 17 | 16 | 15 | 15 | 15 | 16 | 17 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 15 |
13 | 14 | 16 | 18 | 17 | 15 | 14 | 13 | 14 | 14 | 14 | 15 | 14 | 12 | 12 | 13 | 13 | 12 | 12 | 11 | 12 | 12 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | WNW 9 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | W 11 | NNW 7 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 |
 kJ | 86 | 121 | 132 | 163 | 135 | 62 | 128 | 124 | 132 | 186 | 220 | 214 | 181 | 148 | 345 | 379 | 393 | 400 | 475 | 439 | 432 | 355 | 337 | 263 |
Swell 2 Height (m) Direction Period (s) | W 13 | WNW 8 | WNW 8 | WNW 8 | W 8 | WNW 8 | W 11 | W 10 | W 10 | W 10 | WNW 15 | WNW 14 | WNW 13 | WNW 13 | W 9 | NNW 7 | NW 6 | NW 6 | N 7 | N 8 | N 8 | N 8 | W 6 | W 6 |
| kJ | 3 | 80 | 62 | 45 | 30 | 26 | 57 | 52 | 73 | 71 | 222 | 220 | 312 | 367 | 40 | 107 | 91 | 75 | 51 | 61 | 63 | 66 | 64 | 67 |
Swell 3 Height (m) Direction Period (s) | W 13 | W 12 | W 8 | W 8 | WNW 11 | W 8 | NW 8 | W 8 | WNW 16 | WNW 15 | W 10 | W 9 | W 9 | W 9 | — | WNW 9 | WNW 8 | WNW 8 | — | — | — | — | N 8 | N 8 |
| kJ | 3 | 12 | 12 | 22 | 41 | 19 | 16 | 20 | 85 | 126 | 67 | 61 | 42 | 41 | — | 25 | 13 | 22 | — | — | — | — | 49 | 48 |
Wind waves Height (m) Direction Period (s) | NNW 6 | — | — | — | — | NNW 7 | — | — | — | — | — | — | — | — | NNW 7 | — | — | — | WNW 6 | W 5 | W 5 | W 6 | — | — |
| kJ | 87 | — | — | — | — | 128 | — | — | — | — | — | — | — | — | 113 | — | — | — | 31 | 36 | 45 | 60 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 25 | 0 | 0 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 210 | 213 | 29 | 25 | 29 | 29 | 49 | 49 | 49 | 49 | 1 | 1 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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