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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 6 pm Sunday 26 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
16.3° C
(Which is normal for this time of year)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 10PM is: 0.7m 8s primary swell from a West-northwest direction and 0.9m 6s secondary swell from a North-northwest direction (forecast issued at 06:00pm April 26). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Apr) | - | - |
| Afternoon (26 Apr) | 2.5ft (0.8m) | 8s |
| Evening (26 Apr) | 3.5ft (1.0m) | 6s |
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 Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wed 29 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WNW 8 | WNW 8 | WNW 8 | WNW 9 | 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 | |
87 | 90 | 70 | 86 | 87 | 121 | 132 | 163 | 135 | 132 | 135 | 135 | 143 | 207 | 237 | 220 | 312 | 367 | 345 | 379 | 393 | 400 | 475 | 589 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 00:25AM2.55m | 1:03PM2.41m | 1:15AM2.65m | 1:45PM2.55m | 1:57AM2.73m | |||||||||||||||||||
Low Tide | 6:12PM0.76m | 6:53AM0.50m | 7:05PM0.62m | 7:35AM0.39m | 7:48PM0.49m | 8:11AM0.32m | ||||||||||||||||||
 | |  | |  |  | | | |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — |
 | — | 8:23 | — | — | — | — | — | — | — | 8:24 | — | — | — | — | — | — | — | 8:25 | — | — | — | — | — | 8:27 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 16 | 15 | 16 | 16 | 18 | 20 | 19 | 17 | 16 | 15 | 15 | 15 | 16 | 17 | 16 | 16 | 15 | 16 | 15 | 15 | 16 | 17 |
15 | 13 | 13 | 12 | 13 | 14 | 16 | 18 | 17 | 15 | 14 | 13 | 14 | 14 | 15 | 16 | 14 | 14 | 13 | 16 | 12 | 13 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | WNW 8 | WNW 8 | WNW 8 | WNW 9 | WNW 9 | WNW 8 | NNW 7 | NNW 7 | W 8 | WNW 11 | NNW 7 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
 kJ | 87 | 90 | 70 | 86 | 86 | 80 | 132 | 163 | 30 | 40 | 135 | 135 | 143 | 207 | 237 | 196 | 181 | 148 | 124 | 379 | 393 | 400 | 475 | 589 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 13 | W 13 | W 12 | WNW 8 | WNW 8 | WNW 11 | WNW 8 | W 11 | W 10 | W 10 | W 10 | WNW 15 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | NNW 7 | NNW 8 | NNW 8 | N 8 | NNW 8 |
| kJ | — | — | — | 3 | 3 | 12 | 64 | 45 | 41 | 25 | 57 | 52 | 73 | 71 | 222 | 220 | 312 | 367 | 345 | 108 | 117 | 98 | 82 | 92 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 13 | W 12 | W 8 | W 8 | NW 8 | W 8 | NW 8 | W 8 | WNW 16 | WNW 15 | W 10 | W 9 | W 9 | W 9 | W 9 | WNW 9 | WNW 8 | WNW 8 | W 6 | — |
| kJ | — | — | — | — | 3 | 12 | 12 | 22 | 17 | 19 | 16 | 20 | 85 | 126 | 67 | 60 | 42 | 41 | 40 | 25 | 22 | 22 | 23 | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | — | — | NNW 7 | NNW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 66 | 77 | 57 | 77 | 87 | 121 | — | — | 135 | 132 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 25 | 81 | 25 | 25 | 25 | 25 | 0 | 26 | 26 | 213 | 25 | 25 | 25 | 25 | 25 | 25 | 213 | 214 | 28 | 25 | 49 | 49 | 1 | 49 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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