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Surf Forecasts:
Backdoor surfForecast / Ericeira / Portugal
48hr Weather and Surf, issued 6 am Friday 08 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
16.6° C
(Which is normal for this time of year)How big are the waves at Backdoor today?
The current surf forecast for Backdoor at 1PM is: 0.7m 8s primary swell from a North-northwest direction and 0.3m 15s secondary swell from a West-northwest direction, 0.6m 3s secondary swell from a South direction (forecast issued at 06:00am May 08). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 May) | 2.5ft (0.8m) | 8s |
| Afternoon (08 May) | 2ft (0.6m) | 8s |
| Evening (08 May) | 4.5ft (1.3m) | 6s |
Table - waves today at Backdoor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 20mm), heaviest during Fri night. Very mild (max 17°C on Fri afternoon, min 14°C on Fri night). Mainly strong winds. | ||||||||||||||||||||||||
Friday 8 | Saturday 9 | Sunday 10 | Mon 11 | |||||||||||||||||||||
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 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | WNW 13 | SSW 6 | SW 7 | WNW 12 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | SW 8 | W 10 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | |
88 | 84 | 55 | 52 | 41 | 70 | 119 | 372 | 89 | 453 | 350 | 385 | 435 | 781 | 581 | 405 | 1292 | 999 | 785 | 643 | 634 | 634 | 759 | 660 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-on | cross-off | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | |
High Tide | 7:35AM2.02m | 8:01PM2.21m | 8:41AM1.95m | 9:09PM2.17m | 9:57AM1.97m | 10:19PM2.23m | ||||||||||||||||||
Low Tide | 1:24AM0.88m | 1:30PM0.97m | 2:27AM0.96m | 2:36PM1.03m | 3:40AM0.94m | 3:52PM1.02m | ||||||||||||||||||
 |  |  | |  |  |  | |  | |  |  | | |  | |  | | | | | | | | |
 | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | 6:28 |
 | — | — | — | — | — | 8:36 | — | — | — | — | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:37 | — | 8:38 |
— | 1 | — | — | — | 1 | 3 | 3 | 2 | 5 | — | 1 | 1 | 1 | — | — | — | 1 | 1 | 1 | — | — | — | — | |
Temp °C | 14 | 13 | 15 | 16 | 17 | 17 | 14 | 14 | 15 | 14 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 |
12 | 10 | 10 | 10 | 11 | 11 | 8 | 8 | 10 | 9 | 10 | 11 | 9 | 8 | 9 | 10 | 10 | 10 | 9 | 10 | 10 | 11 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | WNW 13 | WNW 13 | WNW 12 | SW 8 | SW 8 | NNW 13 | NNW 13 | NNW 12 | WSW 11 | SW 9 | WSW 9 | WSW 9 | NNW 11 | NNW 12 | WNW 10 | NNW 12 | NNW 12 | WSW 8 |
 kJ | 88 | 84 | 55 | 52 | 39 | 32 | 101 | 99 | 89 | 453 | 350 | 181 | 257 | 283 | 314 | 572 | 1292 | 999 | 217 | 237 | 95 | 274 | 347 | 660 |
Swell 2 Height (m) Direction Period (s) | WNW 16 | WNW 16 | WNW 15 | WNW 15 | WNW 14 | WNW 13 | NNW 7 | NNW 7 | NNW 7 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | NNW 12 | W 10 | NNW 12 | NNW 11 | WNW 11 | S 16 | NNW 12 | WNW 10 | S 19 | NNW 12 |
| kJ | 25 | 25 | 42 | 42 | 41 | 70 | 21 | 21 | 10 | 117 | 115 | 111 | 153 | 186 | 274 | 405 | 252 | 221 | 24 | 5 | 133 | 58 | 7 | 461 |
Swell 3 Height (m) Direction Period (s) | W 8 | N 12 | N 12 | N 12 | N 11 | N 11 | N 11 | NNW 14 | NNW 14 | NNW 14 | NNW 13 | NNW 7 | WSW 10 | — | WNW 11 | NNW 12 | — | — | — | — | NNW 10 | S 15 | S 15 | SW 19 |
| kJ | 1 | 3 | 3 | 3 | 10 | 9 | 9 | 21 | 41 | 71 | 120 | 5 | 20 | — | 167 | 269 | — | — | — | — | 83 | 4 | 4 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | SSW 2 | S 3 | S 4 | SSW 5 | SSW 6 | SW 7 | SW 8 | — | — | SW 8 | SW 8 | SW 9 | SW 8 | — | — | — | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | S 7 |
| kJ | — | — | 1 | 7 | 20 | 37 | 119 | 372 | 558 | — | — | 385 | 435 | 781 | 581 | — | — | — | 785 | 643 | 634 | 634 | 759 | 89 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 1 | 51 | 49 | 412 | 49 | 107 | 137 | 137 | 49 | 51 | 412 | 412 | 329 | 412 | 413 | 49 | 49 | 490 | 425 | 493 | 423 | 49 | 49 |
Best forecast wave conditions in Ericeira | ||||||||||||||||||||||||
Best forecast wave conditions in Portugal | ||||||||||||||||||||||||
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