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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 6 pm 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
16.8° C
(Which is slightly warmer than usual)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 11PM is: 1.4m 8s primary swell from a North-northwest direction and 0.2m 9s secondary swell from a West direction, 0.1m 16s secondary swell from a Southwest direction (forecast issued at 06:00pm May 06). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | - | - |
| Afternoon (06 May) | 5ft (1.5m) | 8s |
| Evening (06 May) | 4.5ft (1.4m) | 8s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Fri night. Very mild (max 17°C on Fri afternoon, min 13°C on Wed night). Winds increasing (calm on Thu night, near gales from the SSW by Sat morning). | ||||||||||||||||||||||||
Wed 6 | Thursday 7 | Friday 8 | Sat 9 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | WNW 14 | SSW 5 | WNW 13 | WSW 7 | WSW 7 | WSW 7 | SW 7 | NNW 13 | |
306 | 264 | 237 | 220 | 208 | 163 | 113 | 93 | 78 | 68 | 53 | 119 | 88 | 75 | 55 | 52 | 41 | 85 | 101 | 134 | 169 | 250 | 340 | 189 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-on | |
High Tide | 6:18PM2.43m | 6:43AM2.15m | 7:04PM2.30m | 7:35AM2.02m | 8:01PM2.21m | 8:41AM1.95m | ||||||||||||||||||
Low Tide | 00:34AM0.75m | 12:39PM0.86m | 1:24AM0.88m | 1:30PM0.97m | 2:27AM0.96m | |||||||||||||||||||
 | |  | |  | | | |  | | | | | | | | | |  |  | | |  | | |
 | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — |
 | — | 8:34 | — | — | — | — | — | — | — | 8:35 | — | — | — | — | — | — | — | 8:36 | — | — | — | — | — | 8:37 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 8 | 1 | — | 2 | 1 | |
Temp °C | 15 | 15 | 14 | 14 | 14 | 13 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 16 | 16 | 17 | 17 | 15 | 15 | 15 | 15 | 16 | 16 |
9 | 10 | 8 | 9 | 9 | 9 | 11 | 12 | 11 | 11 | 11 | 13 | 11 | 9 | 11 | 10 | 12 | 11 | 7 | 8 | 9 | 10 | 9 | 7 | |
Swell 1 Height (m) Direction Period (s) | WSW 8 | WSW 8 | W 9 | NNW 11 | NW 11 | NW 10 | NW 10 | NNW 10 | NNW 6 | NNW 7 | NNW 6 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | WNW 13 | WSW 7 | WSW 7 | WSW 7 | WNW 12 | W 9 |
 kJ | 6 | 6 | 6 | 11 | 29 | 27 | 25 | 38 | 78 | 68 | 47 | 119 | 88 | 75 | 55 | 52 | 33 | 22 | 101 | 134 | 169 | 250 | 150 | 119 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | W 9 | W 8 | W 8 | NNW 7 | NW 7 | NNW 9 | NW 9 | NNW 9 | W 16 | WNW 16 | WNW 16 | WNW 15 | WNW 15 | WNW 14 | WNW 13 | NNW 7 | WNW 13 | WNW 12 | WNW 12 | NNW 14 | NNW 13 |
| kJ | 10 | 10 | 10 | 6 | 5 | 5 | 10 | 14 | 35 | 41 | 53 | 5 | 25 | 25 | 42 | 42 | 41 | 70 | 21 | 99 | 89 | 117 | 123 | 189 |
Swell 3 Height (m) Direction Period (s) | SW 16 | NW 12 | — | S 15 | S 15 | S 15 | W 8 | W 8 | NNW 7 | W 8 | W 8 | W 8 | W 8 | N 12 | N 12 | N 12 | N 11 | N 11 | N 11 | NW 7 | NNW 7 | NNW 14 | NNW 7 | WNW 12 |
| kJ | 10 | 6 | — | 4 | 4 | 4 | 5 | 1 | 5 | 1 | 1 | 1 | 1 | 3 | 3 | 3 | 10 | 9 | 9 | 14 | 10 | 71 | 5 | 125 |
Wind waves Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | — | — | — | — | — | — | S 3 | S 4 | S 4 | SSW 5 | SSW 6 | S 6 | S 6 | S 6 | SW 7 | SSW 7 |
| kJ | 306 | 264 | 237 | 220 | 208 | 163 | 113 | 93 | — | — | — | — | — | — | 2 | 18 | 30 | 85 | 220 | 173 | 132 | 75 | 340 | 419 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 708 | 559 | 436 | 259 | 230 | 37 | 45 | 555 | 535 | 490 | 146 | 0 | 0 | 4 | 51 | 51 | 412 | 137 | 52 | 150 | 137 | 49 | 413 | 412 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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