Backdoor (PT), Wind forecast

38.9808° N, 9.42288° W

Weather Conditions Alerts for

18.03.2026 (Wednesday)

Strong swell – dangerous for diving/exiting (3.4 m)
Swell period – experience required (13.0 s)
Low water temperature – risk of hypothermia (14.5 °C)
Strong wind – dangerous (avg 9.7 m/s)
Air temperature too low (avg 14.6 °C)
Optimal current speed (0.8 kts)
Low tides – preparation required (1.4 m, LAT)

19.03.2026 (Thursday)

Strong swell – dangerous for diving/exiting (3.4 m)
Swell period – experience required (12.6 s)
Low water temperature – risk of hypothermia (14.5 °C)
Moderate wind – experience required (avg 7.7 m/s)
Air temperature too low (avg 13.6 °C)
Optimal current speed (0.7 kts)
Optimal depth and easy access (1.5 m, LAT)

20.03.2026 (Friday)

Strong swell – dangerous for diving/exiting (2.4 m)
Optimal swell period (11.0 s)
Low water temperature – risk of hypothermia (14.4 °C)
No strong wind – comfortable for diving (avg 4.3 m/s)
Air temperature too low (avg 14.1 °C)
Optimal current speed (0.7 kts)
Optimal depth and easy access (1.7 m, LAT)

21.03.2026 (Saturday)

Significant swell – experience required (1.7 m)
Optimal swell period (8.2 s)
Low water temperature – risk of hypothermia (14.5 °C)
No strong wind – comfortable for diving (avg 4.2 m/s)
Air temperature too low (avg 14.0 °C)
Optimal current speed (0.7 kts)
Optimal depth and easy access (1.6 m, LAT)

22.03.2026 (Sunday)

Significant swell – experience required (1.8 m)
Swell period – experience required (13.4 s)
Low water temperature – risk of hypothermia (14.7 °C)
No strong wind – comfortable for diving (avg 4.2 m/s)
Air temperature too low (avg 14.2 °C)
Optimal current speed (0.6 kts)
Low tides – preparation required (1.5 m, LAT)

23.03.2026 (Monday)

Significant swell – experience required (1.8 m)
Swell period – experience required (12.1 s)
Low water temperature – risk of hypothermia (15.0 °C)
No strong wind – comfortable for diving (avg 3.2 m/s)
Air temperature too low (avg 14.3 °C)
Optimal current speed (0.5 kts)
Low tides – preparation required (1.3 m, LAT)

Live wind map

Closest meteostation (18.15km):

Backdoor (PT) Wind forecast

Wind direction is Southeast, wind speed varies between 20.1 and 24.5 mph with gusts up to 37.9 mph. The sky is cloudy with a chance of rain 0%.
Wind and wave weather forecast for Backdoor (PT) , Portugal contains detailed information about local wind speed, direction, and gusts. Wave forecast includes wave height and period.
These forecasts for Backdoor (PT) are based on the GFS model and were created for windsurfing, kitesurfing, sailing and other extreme sports activities. All data updates 4 times a day. Predictions are available in steps from 1 to 3 hours for up to 10 days.
Use professional weather parameters: wind barbs, weather fronts, isobars, and others. Study weather history for the past 14 years (2012-2026). Create sailing, hiking and biking routes with weather in each point.
Download Windy.app in the App Store and Google Play Store.

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