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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 12 am Saturday 25 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
15.8° C
(Which is normal for this time of year)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 5AM is: 1.4m 10s primary swell from a West direction and 0.4m 3s secondary swell from a North-northwest direction (forecast issued at 12:00am April 25). An open ocean swell of 0.1m 11s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 4.5ft (1.3m) | 9s |
| Afternoon (25 Apr) | 3.5ft (1.1m) | 9s |
| Evening (25 Apr) | 3.5ft (1.0m) | 9s |
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 21°C on Mon morning, min 13°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||||||||||
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 | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
W 10 | W 10 | WNW 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | |
500 | 377 | 370 | 282 | 235 | 194 | 157 | 150 | 113 | 111 | 86 | 84 | 87 | 87 | 87 | 96 | 110 | 121 | 149 | 167 | 163 | 167 | 139 | 143 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross | cross | |
High Tide | 10:03PM2.39m | 11:01AM2.14m | 11:22PM2.45m | 12:10PM2.26m | 00:25AM2.55m | 1:03PM2.41m | ||||||||||||||||||
Low Tide | 4:45AM0.71m | 5:02PM0.89m | 5:58AM0.62m | 6:12PM0.76m | 6:53AM0.50m | 7:05PM0.62m | ||||||||||||||||||
 | |  | |  | | | |  | | | | | | | | | | | | | | |  | |
 | — | 6:48 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:23 | — | — | — | — | — | — | — | 8:24 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 13 | 15 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 16 | 18 | 17 | 17 | 16 | 15 | 15 | 16 | 19 | 21 | 20 | 17 | 16 |
11 | 12 | 11 | 12 | 12 | 12 | 10 | 10 | 11 | 11 | 12 | 14 | 16 | 15 | 14 | 13 | 12 | 13 | 15 | 17 | 20 | 18 | 15 | 14 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | WNW 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | NNW 6 | NNW 6 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | NNW 7 | NNW 7 | NNW 7 | W 8 | NNW 7 | NNW 7 |
 kJ | 500 | 377 | 370 | 282 | 235 | 194 | 157 | 150 | 113 | 111 | 86 | 64 | 71 | 87 | 87 | 96 | 80 | 88 | 149 | 167 | 163 | 30 | 139 | 143 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | — | — | W 8 | WNW 8 | — | — | W 14 | W 13 | W 13 | WNW 9 | WNW 8 | WNW 8 | WNW 11 | WNW 11 | W 11 |
| kJ | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | — | — | 84 | 87 | — | — | 4 | 3 | 3 | 84 | 61 | 26 | 41 | 40 | 57 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 13 | W 12 | W 8 | W 8 | NW 8 | WNW 8 | NW 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 12 | 12 | 19 | 17 | 25 | 15 |
Wind waves Height (m) Direction Period (s) | — | NNW 3 | — | N 3 | NNW 4 | NNW 4 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | — | — | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | — | — | — | NNW 7 | — | — |
| kJ | — | 3 | — | 6 | 11 | 18 | 36 | 41 | 46 | 48 | 55 | — | — | 71 | 66 | 80 | 110 | 121 | — | — | — | 167 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 25 | 25 | 21 | 25 | 25 | 377 | 230 | 25 | 25 | 25 | 21 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 0 | 0 | 26 | 26 | 25 | 25 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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