Surf Break

Lat Long: 38.92° N 9.43° W

Backdoor, Portugal Weather Observations

Issued: 6 am 29 Sep 2026 (local time)

Forecast update in  hr  min

Today's Backdoor sea temperature is
18.4°C
1.7° 

Backdoor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Current weather conditions and live observations for Backdoor based on the nearest weather station observations (including METAR, SYNOP, ship and quickscat wind data). This is the most reliable place on surf-forecast.com to see what is happening with the weather in Backdoor right now. Also check out the current weather map overlays on our dynamic weather maps.

Current Weather near Backdoor

as reported by 5 closest weather stations

Weather Station WeatherWindGustsTemp.Visibility
Visibility /
Cloud

Sintra/Granja

13 km SE130 m above sea level

2 hours ago
cloudno report
wind obs. (25 kph from 330 degs) was rejected
(- km/h at -°)
16.7 °C12
12

-

Sintra Lisboa/Granja do Marquês Air Base Airport

15 km SE351 m above sea level

2 hours ago
part cloudDry and partly cloudy
30
fresh winds from the SSE
(30 km/h at 160°)
20 °C10.0
10.0
broken

Cascais Airport

22 km SSE99 m above sea level

2 hours ago
part cloudDry and partly cloudy
25
moderate winds from the SSE
(26 km/h at 160°)
21 °C7.0
7.0
broken

Torres Vedras wx

23 km NE39 m above sea level

32 minutes ago
dry
10
light winds from the SW
(11 km/h at 218°)
35
24 °C-
-
-
-
0

Alvide wx

23 km S79 m above sea level

50 minutes ago
dry
15
light winds from the SE
(16 km/h at 138°)
30
21 °C-
-
-
-
0

Cascais

23 km S61 m above sea level

35 minutes ago
-
-
(- km/h at °)
23 °C-
-
-
-
0

Cascais

27 km SSE20 m above sea level

1 hour ago
dry
20
light winds from the S
(18 km/h at 180°)
25
21 °C-
-
-
-
0

Lisboa

27 km SSE12 m above sea level

34 minutes ago
dry
wind obs. (18 kph from 360 degs) was rejected
(- km/h at -°)
21 °C-
-
-
-
0

Lisbon

31 km ESE105 m above sea level

1 hour ago
dry
15
light winds from the S
(14 km/h at 190°)
50
24 °C-
-
-
-
0

Lisboa/Portela RS

31 km ESE113 m above sea level

2 hours ago
no report
wind obs. (18 kph from 330 degs) was rejected
(- km/h at -°)
18.9 °C-
-

-

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones. We also include passing Ship data if it is recorded close to Backdoor and within an acceptable time window.

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