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Guethary – Les Alcyons/Avalanche Surf Forecast and Surf Reports

(La Cote Basque, France)

Guethary - Les Alcyons/Avalanche break guidePhoto by: Angletsurfocéan.com

Guethary - Les Alcyons/Avalanche Surf Guide

Les Alcyons/Avalanche in La Cote Basque is an exposed reef break that usually has waves and can work at any time of the year. Ideal winds are from the southeast. Windswells and groundswells in equal measure and the best swell direction is from the west. No beach break here and a left hand reef break too.. Best around mid tide. Likely to be crowded if working. Watch out for rocks , rips,crowds.

Guethary - Les Alcyons/Avalanche Spot Info

Type:Rating:Reliability:Todays Sea Temp*:
Reef4consistent
17.5°C*ocean temperature recorded from satellite

Surfing Guethary - Les Alcyons/Avalanche:

The best conditions reported for surf at Guethary - Les Alcyons/Avalanche occur when a West swell combines with an offshore wind direction from the Southeast.

What's the best time of year to surf Guethary - Les Alcyons/Avalanche (for consistent clean waves)?

octoberBest Season: winter
The best time of year for surfing Guethary - Les Alcyons/Avalanche with consistent clean waves (rideable swell with light / offshore winds) is during Winter  and most often the month of October. Clean surfable waves are typically found 50% of the time in October while 40% of the time it tends to be blown out. For the remaining 10% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.
clean
50%
Surfable waves that hold up well for longer rides in prevailing cross-offshore, offshore or light wind conditions.
blown out
40%
Surfable sized waves that are of poorer quality due to prevailing onshore, cross-onshore or windy conditions (may be preferable for kitesurfing).
too small
10%
Waves usually considered too small for good surf. Some wave-magnet breaks may still work though if conditions are right (on occasion).

Explore Guethary - Les Alcyons/Avalanche Location Map

Interactive Guethary - Les Alcyons/Avalanche 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 closest passenger airport to Guethary - Les Alcyons/Avalanche is Anglet (Biarritz-bayonne) Airport (BIQ) in France, 9 km (6 miles) away (directly). The second nearest airport to Guethary - Les Alcyons/Avalanche is San Sebastian Airport (EAS) in Spain, 16 km (10 miles) away.

  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.
Guethary - Les Alcyons/Avalanche Surf Forecasts:
Todays Surf Summary
Thursday, 7 May 2026, 13:36 Local Time
Thursday 07
11AM2PM5PM8PM
Wave (m)
0.8
NW
0.4
NW
0.4
NW
0.7
NW
Period (s) 6 10 10 9
Wind (km/h)
10
15
15
10
Wind State cross-
off		 cross-
off		 cross-
off		 off

What does Guethary - Les Alcyons/Avalanche look like?

Latest photos from Guethary - Les Alcyons/Avalanche. Upload your own or view all photos on the gallery page.

Credit: Angletsurfocéan.com

    Tides at Guethary - Les Alcyons/Avalanche

    Current tide and informaton
    For Bidart, 3 km from Guethary - Les Alcyons/Avalanche.
    Next High Water: 08:51pm | 2.98m
    Tidal range Clock
    Next Low Water: 02:38pm | 1.08m
    IS AT (local time)

    Guethary - Les Alcyons/Avalanche Sea Temperature

    The water temperature (17.5 °C) at Guethary - Les Alcyons/Avalanche is relatively warm. If the sun does come out as forecast, it should feel warm enough to surf in a summer wetsuit. Effective air temperature of 13.0 °C.

    Today, many surfers would wear a summer wetsuit.
    Current Temp*: 17.5°C*ocean temperature recorded from satellite
    water-temp
    France Sea TemperatureView Sea Temp Map

    Swell History at Guethary - Les Alcyons/Avalanche

    Surf stats for Guethary - Les Alcyons/Avalanche, see the swell variation by month or season on the history page here.

    Guethary - Les Alcyons/Avalanche Location Map
    Average Swell
    View Swell Statistics

    Wind History at Guethary - Les Alcyons/Avalanche

    Wind stats for Guethary - Les Alcyons/Avalanche, see the variation in direction and stength by month or season on the history page here.

    Guethary - Les Alcyons/Avalanche Location Map
    Average Wind
    View Wind Statistics

    Other Nearby Breaks Closest To:

    Discover surf breaks near Guethary - Les Alcyons/Avalanche. Click below to view there surf guides.

    Wave Buoys Nearest To Guethary - Les Alcyons/Avalanche:

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