Backdoor Surf Forecast and Surf Reports

(Ericeira, Portugal)

Forecast
- Hourly Forecast
- 16 Day Forecast
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Weather State
Spot Information

Backdoor Surf Guide

Backdoor in Ericeira is an exposed reef break that is often working. Summer offers the favoured conditions for surfing. Works best in offshore winds from the east. Tends to receive a mix of groundswells and windswells and the best swell direction is from the northwest. A left hand reef break. Best around mid tide. Sometimes crowded. Take care of urchins,rocks,.

Backdoor Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Reef	3	very consistent	16.9°C*ocean temperature recorded from satellite

Surfing Backdoor:

The best conditions reported for surf at Backdoor occur when a Northwest swell combines with an offshore wind direction from the East.

Hourly Forecast

16 Day Forecast

What's the best time of year to surf Backdoor (for consistent clean waves)?

decemberBest Season: winter

The best time of year for surfing Backdoor with consistent clean waves (rideable swell with light / offshore winds) is during Winter and most often the month of December. Clean surfable waves are typically found 41% of the time in December while 53% of the time it tends to be blown out. For the remaining 6% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

41%

Surfable waves that hold up well for longer rides in prevailing cross-offshore, offshore or light wind conditions.

blown out

53%

Surfable sized waves that are of poorer quality due to prevailing onshore, cross-onshore or windy conditions (may be preferable for kitesurfing).

too small

Waves usually considered too small for good surf. Some wave-magnet breaks may still work though if conditions are right (on occasion).

Explore Backdoor Location Map

Interactive Backdoor surf break location map. View information about nearby surf breaks, their wave consistency and rating compared to other spots in the region. Current swell conditions from local buoys are shown along with live wind speed and direction from nearby weather stations. Click icons on the map for more detail. The nearest passenger airport to Backdoor is Lisboa (Lisbon) Airport (LIS) in Portugal, which is 30 km (19 miles) away (directly). The second closest airport to Backdoor is Talavera La Real (Badajoz) Airport (BJZ) in Spain, 226 km (140 miles) away.

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.

Backdoor Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Monday, 4 May 2026, 13:05 Local Time

m, °C	Monday 04
ft, °F	10AM	1PM	4PM	7PM
Wave (m)	NW	NNW	NNW	NW
Period (s)	8	8	8	9
Wind (km/h)
Wind State	cross- on	cross- on	cross- on	cross- on

Tides at Backdoor

Current tide and informaton

For Ericeira, 5 km from Backdoor.

Next High Water: 05:03pm | 2.67m

Next Low Water: 11:14pm | 0.47m

NEXT	IS AT (local time)	remaining
high tide
low tide

Backdoor Sea Temperature

The water temperature (16.9 °C) at Backdoor is quite cool. If the sun does come out as forecast, it should feel warm enough to surf in a good sealed spring wetsuit. Some surfers would prefer to wear gloves and boots too. Effective windchill factor of (14.0 °C) will make the air and water feel about the same temperature.

Today, many surfers would wear a spring wetsuit, neoprene gloves and boots.