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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 6 am Tuesday 05 May 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
17.0° C
(Which is slightly warmer than usual)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 12PM is: 1.4m 9s primary swell from a North-northwest direction and 0.2m 8s secondary swell from a West-southwest direction (forecast issued at 06:00am May 05). The wind direction is predicted to be cross-onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 4.5ft (1.3m) | 9s |
| Afternoon (05 May) | 4.5ft (1.4m) | 9s |
| Evening (05 May) | 5ft (1.6m) | 8s |
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 Wed morning, min 13°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Tuesday 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 9 | NNW 9 | NNW 9 | NNW 9 | NW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | |
270 | 258 | 258 | 293 | 309 | 330 | 409 | 409 | 432 | 422 | 457 | 385 | 306 | 264 | 251 | 191 | 181 | 172 | 162 | 124 | 105 | 68 | 56 | 56 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | on | on | on | cross-on | |
High Tide | 5:24AM2.44m | 5:39PM2.56m | 6:02AM2.29m | 6:18PM2.43m | 6:43AM2.15m | 7:04PM2.30m | ||||||||||||||||||
Low Tide | 11:21AM0.60m | 11:52PM0.60m | 11:58AM0.73m | 00:34AM0.75m | 12:39PM0.86m | |||||||||||||||||||
 |  |  | | | | | | | |  | | | | |  |  | | | | | | | | |
 | 6:35 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | 6:31 |
 | — | — | — | — | — | 8:32 | — | — | — | — | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:35 | — | 8:36 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 13 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 14 |
10 | 9 | 10 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 12 | 12 | 12 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | W 6 | NNW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | W 9 | NNW 11 | NNW 11 | NW 10 | NW 10 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 |
 kJ | 3 | 258 | 7 | 7 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 6 | 6 | 6 | 11 | 12 | 27 | 25 | 124 | 105 | 68 | 56 | 56 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 9 | — | — | — | — | — | — | S 17 | — | — | S 16 | SW 16 | SW 16 | SW 16 | W 9 | W 8 | W 8 | W 8 | NW 10 | NW 10 | NNW 9 | NNW 9 | NNW 9 |
| kJ | 2 | 6 | — | — | — | — | — | — | 6 | — | — | 5 | 10 | 10 | 10 | 6 | 5 | 5 | 5 | 24 | 23 | 55 | 53 | 42 |
Swell 3 Height (m) Direction Period (s) | S 11 | W 6 | — | — | — | — | — | — | — | — | — | — | — | NW 12 | — | S 15 | S 15 | S 15 | SW 15 | W 8 | W 8 | W 8 | W 8 | W 16 |
| kJ | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | 6 | — | 4 | 4 | 4 | 8 | 1 | 1 | 1 | 1 | 5 |
Wind waves Height (m) Direction Period (s) | NNW 9 | — | NNW 9 | NNW 9 | NW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | — | — | — | — | — |
| kJ | 270 | — | 258 | 293 | 309 | 330 | 409 | 409 | 432 | 422 | 457 | 385 | 306 | 264 | 251 | 191 | 181 | 172 | 162 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 25 | 124 | 549 | 549 | 493 | 426 | 403 | 28 | 28 | 307 | 556 | 591 | 583 | 294 | 271 | 37 | 29 | 29 | 26 | 49 | 412 | 49 | 49 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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