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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 12 pm Thursday 07 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 6PM is: 0.9m 6s primary swell from a North-northwest direction and 0.4m 9s secondary swell from a North-northwest direction (forecast issued at 12:00pm May 07). The wind direction is predicted to be onshore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 3.5ft (1.1m) | 7s |
| Afternoon (07 May) | 3ft (0.9m) | 6s |
| Evening (07 May) | 3ft (0.9m) | 9s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Fri night. Very mild (max 17°C on Fri afternoon, min 13°C on Thu night). Winds increasing (calm on Thu night, near gales from the SSW by Sat morning). | ||||||||||||||||||||||||
Thu 7 | Friday 8 | Saturday 9 | Sun 10 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 7 | NNW 7 | NNW 6 | NNW 7 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | WNW 13 | SSW 6 | SW 8 | WNW 12 | WNW 12 | NNW 14 | SW 9 | SW 9 | SW 10 | SW 10 | SW 9 | SW 9 | SW 8 | |
105 | 79 | 55 | 62 | 124 | 119 | 88 | 84 | 55 | 52 | 41 | 70 | 199 | 306 | 89 | 117 | 121 | 1592 | 1610 | 1749 | 1509 | 730 | 683 | 596 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | on | cross-on | cross-on | glassy | cross-off | cross | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 7:04PM2.30m | 7:35AM2.02m | 8:01PM2.21m | 8:41AM1.95m | 9:09PM2.17m | |||||||||||||||||||
Low Tide | 12:39PM0.86m | 1:24AM0.88m | 1:30PM0.97m | 2:27AM0.96m | 2:36PM1.03m | 3:40AM0.94m | ||||||||||||||||||
 | |  |  |  | | |  | | | | |  |  | |  | | | | |  | |  | | |
 | 6:33 | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — |
 | — | — | — | 8:35 | — | — | — | — | — | — | — | 8:36 | — | — | — | — | — | — | — | 8:37 | — | — | — | 8:37 |
— | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 4 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | — | — | |
Temp °C | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 15 | 16 | 17 | 17 | 15 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 14 |
12 | 12 | 11 | 12 | 12 | 13 | 12 | 11 | 10 | 10 | 11 | 12 | 7 | 7 | 10 | 7 | 5 | 7 | 10 | 10 | 10 | 10 | 10 | 8 | |
Swell 1 Height (m) Direction Period (s) | NNW 7 | NNW 7 | NNW 6 | NNW 7 | NNW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | WNW 13 | SW 8 | WNW 12 | WNW 12 | WNW 12 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | W 10 | W 10 | SW 8 |
 kJ | 105 | 79 | 55 | 62 | 124 | 119 | 88 | 84 | 55 | 52 | 39 | 22 | 101 | 306 | 89 | 117 | 115 | 140 | 186 | 217 | 210 | 320 | 450 | 596 |
Swell 2 Height (m) Direction Period (s) | NW 10 | NNW 10 | NNW 9 | NW 9 | W 8 | W 16 | WNW 16 | WNW 16 | WNW 15 | WNW 15 | WNW 14 | WNW 13 | NNW 7 | WNW 13 | NNW 14 | NNW 14 | NNW 14 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | NNW 12 | NNW 11 | WNW 9 |
| kJ | 25 | 38 | 35 | 41 | 1 | 5 | 25 | 25 | 42 | 42 | 41 | 70 | 21 | 99 | 41 | 71 | 121 | 111 | 158 | 145 | 105 | 206 | 186 | 308 |
Swell 3 Height (m) Direction Period (s) | NNW 8 | NNW 8 | NW 7 | W 8 | SW 14 | W 8 | W 8 | N 12 | N 12 | N 12 | N 11 | N 11 | N 11 | NNW 8 | NNW 7 | NNW 7 | N 10 | NW 7 | NW 7 | — | — | WNW 11 | — | NNW 11 |
| kJ | 6 | 6 | 14 | 1 | 8 | 1 | 1 | 3 | 3 | 3 | 10 | 9 | 9 | 11 | 11 | 5 | 8 | 2 | 2 | — | — | 167 | — | 183 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SSW 2 | S 3 | SSW 4 | SSW 5 | SSW 6 | S 7 | SSW 8 | SSW 8 | SSW 8 | SW 9 | SW 9 | SW 10 | SW 10 | SW 9 | SW 9 | — |
| kJ | — | — | — | — | — | — | — | — | 1 | 8 | 29 | 51 | 199 | 219 | 622 | 501 | 1338 | 1592 | 1610 | 1749 | 1509 | 730 | 683 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 45 | 516 | 535 | 146 | 0 | 0 | 1 | 51 | 51 | 412 | 49 | 81 | 137 | 137 | 412 | 407 | 407 | 479 | 490 | 467 | 137 | 51 | 49 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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