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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 12 pm Thursday 23 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
15.6° C
(Which is normal for this time of year)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 8PM is: 2.1m 11s primary swell from a West direction (forecast issued at 12:00pm April 23). The wind direction is predicted to be onshore.
| 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 16°C on Thu morning, min 14°C on Thu night). Winds increasing (calm on Thu morning, fresh winds from the N by Sat afternoon). | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 10 | W 10 | 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 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | |
567 | 865 | 1280 | 1107 | 804 | 669 | 751 | 736 | 722 | 661 | 650 | 586 | 504 | 440 | 377 | 313 | 241 | 235 | 194 | 157 | 122 | 113 | 111 | 86 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | on | on | on | on | cross-on | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | |
High Tide | 8:11AM2.25m | 8:38PM2.45m | 9:35AM2.12m | 10:03PM2.39m | 11:01AM2.14m | 11:22PM2.45m | ||||||||||||||||||
Low Tide | 2:08PM0.81m | 3:14AM0.70m | 3:34PM0.92m | 4:45AM0.71m | 5:02PM0.89m | 5:58AM0.62m | ||||||||||||||||||
 |  | | |  | | | | | | | |  | |  | | | | | | | | | | |
 | 6:50 | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:46 | — |
 | — | — | — | 8:21 | — | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:22 | — | — | — | 8:23 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 14 | 14 | 14 | 15 |
14 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 16 | 14 | 14 | 14 | 13 | 11 | 11 | 12 | 11 | 12 | 12 | 10 | 10 | 11 | 11 | 13 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | 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 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 |
 kJ | 567 | 865 | 1280 | 1107 | 804 | 669 | 751 | 736 | 722 | 661 | 650 | 586 | 504 | 440 | 377 | 313 | 241 | 235 | 194 | 157 | 122 | 113 | 111 | 86 |
Swell 2 Height (m) Direction Period (s) | 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 | S 11 | S 11 | S 11 | — | — | — |
| kJ | 197 | 134 | 3 | — | 115 | 87 | — | — | — | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 13 | SW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 7 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NW 3 | NNW 3 | NNW 4 | N 4 | NNW 4 | NNW 4 | NNW 4 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 3 | 4 | 10 | 11 | 17 | 24 | 25 | 26 | 37 | 41 | 37 | 37 | 51 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 49 | 218 | 29 | 25 | 25 | 0 | 0 | 25 | 25 | 214 | 28 | 25 | 25 | 25 | 25 | 25 | 25 | 384 | 213 | 25 | 25 | 25 | 0 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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