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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 12 am Wednesday 06 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 8AM is: 1.7m 8s primary swell from a North-northwest direction and 0.3m 8s secondary swell from a West-southwest direction (forecast issued at 12:00am May 06). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 5.5ft (1.7m) | 8s |
| Afternoon (06 May) | 5ft (1.6m) | 8s |
| Evening (06 May) | 5ft (1.5m) | 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 17°C on Fri afternoon, min 13°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the S by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 6 | Thursday 7 | Friday 8 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
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 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | WNW 14 | WNW 13 | WNW 13 | |
409 | 388 | 379 | 379 | 353 | 306 | 298 | 284 | 220 | 181 | 172 | 132 | 124 | 102 | 68 | 53 | 116 | 108 | 84 | 55 | 52 | 41 | 102 | 101 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | on | on | on | glassy | cross | cross-off | cross | cross | cross | cross | cross | |
High Tide | 6:02AM2.29m | 6:18PM2.43m | 6:43AM2.15m | 7:04PM2.30m | 7:35AM2.02m | 8:01PM2.21m | ||||||||||||||||||
Low Tide | 11:52PM0.60m | 11:58AM0.73m | 00:34AM0.75m | 12:39PM0.86m | 1:24AM0.88m | 1:30PM0.97m | ||||||||||||||||||
 | |  | | | | |  |  | |  | |  | | | | | | | | | | |  | |
 | — | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:35 | — | — | — | — | — | — | — | 8:36 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 16 | 16 | 17 | 17 | 16 |
9 | 10 | 10 | 10 | 11 | 10 | 9 | 8 | 9 | 10 | 10 | 11 | 12 | 11 | 12 | 11 | 13 | 12 | 10 | 11 | 10 | 12 | 11 | 9 | |
Swell 1 Height (m) Direction Period (s) | 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 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | WNW 13 |
 kJ | 12 | 12 | 11 | 11 | 11 | 6 | 6 | 6 | 11 | 11 | 27 | 25 | 124 | 102 | 68 | 50 | 116 | 108 | 84 | 55 | 52 | 32 | 31 | 101 |
Swell 2 Height (m) Direction Period (s) | — | S 17 | — | — | S 16 | SW 16 | SW 16 | NW 12 | W 9 | W 8 | W 8 | W 8 | NW 10 | NW 10 | NNW 9 | NNW 9 | W 16 | WNW 16 | WNW 16 | WNW 15 | WNW 15 | WNW 14 | WNW 13 | NNW 7 |
| kJ | — | 6 | — | — | 5 | 10 | 10 | 5 | 6 | 5 | 5 | 5 | 24 | 23 | 55 | 53 | 5 | 25 | 25 | 42 | 42 | 41 | 102 | 20 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 16 | SW 16 | NW 12 | SW 16 | S 15 | S 15 | S 15 | SW 15 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | N 12 | N 12 | N 12 | N 11 | N 11 | N 11 |
| kJ | — | — | — | — | 5 | 10 | 6 | 10 | 4 | 4 | 4 | 8 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 3 | 10 | 9 | 9 |
Wind waves Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | — | — | — | — | — | — | — | SW 3 | SSW 4 | SSW 4 | SSW 5 | SSW 6 |
| kJ | 409 | 388 | 379 | 379 | 353 | 306 | 298 | 284 | 220 | 181 | 172 | 132 | — | — | — | — | — | — | — | 2 | 10 | 24 | 51 | 169 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 28 | 28 | 28 | 271 | 811 | 559 | 556 | 294 | 238 | 37 | 37 | 118 | 412 | 412 | 450 | 49 | 0 | 1 | 1 | 51 | 49 | 412 | 134 | 81 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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