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Lagune du Letty / Mer Blanche - Bénodet (Caribbean Lagoon) kitesurf, wingfoil and windsurf spot
France · Bretagne
Overview
Lagune du Letty / Mer Blanche is an exceptional "double spot" near Bénodet in south Finistère. The lagoon side (northeast wind) looks like the Caribbean — shallow turquoise flat water over white sand. The ocean side (southwest wind) is reached at low tide when you can cross the empty lagoon on foot. Works in all wind directions — one face is always usable. Intermediate level. One of the most beautiful natural spots in Brittany.
Spot forecast for Lagune du Letty / Mer Blanche - Bénodet (Caribbean Lagoon)
Sunrise 08:41 · Sunset 19:21
Forecasts provided by Open-Meteo
Tides
Heights above lowest astronomical tide, in the spot's local time. Computed 5.9 km from the spot.
- Monday 19 October Low tide · 2.1 m High tide · 3.3 m Low tide · 2 m
- Tuesday 20 October High tide · 3.1 m Low tide · 2.1 m High tide · 3.4 m Low tide · 1.9 m
- Wednesday 21 October High tide · 3.3 m Low tide · 1.8 m High tide · 3.6 m Low tide · 1.6 m
- Thursday 22 October High tide · 3.6 m Low tide · 1.6 m High tide · 3.9 m Low tide · 1.3 m
- Friday 23 October High tide · 3.9 m Low tide · 1.3 m High tide · 4.2 m Low tide · 1 m
Lagune du Letty / Mer Blanche - Bénodet (Caribbean Lagoon): when to go?
Rideable days and hours computed for a minimum wind of 7 knots · log in to set your own (foil, twin-tip…)
357h
in May · 30.5 rideable days
The spot works year-round: 27 rideable days a month on average, at 15 °C. It peaks in May, with 357 hours of usable wind.
Kiting is forbidden here from 01/07 to 31/08. Juillet-août : lagune très fréquentée (baigneurs, paddle, SUP). Côté mer : zones de baignade à respecter. Marée descendante : courant fort à la sortie de la lagune.
Rideable days per month
Wind strength when it is rideable
When the spot works, wind sits mostly between 7 and 12 knots — 76% of rideable hours. Big-kite territory. The coldest month is January, at 9 °C. The wettest month is January, with 117 mm.
Monthly averages: Lagune du Letty / Mer Blanche - Bénodet (Caribbean Lagoon)
| Month | Rideable days | Usable wind | Temperature | Rain |
|---|---|---|---|---|
| January | 24.5 | 220 h | 9 °C | 117 mm |
| February | 25.0 | 256 h | 11 °C | 59 mm |
| March | 29.5 | 306 h | 12 °C | 67 mm |
| April | 28.5 | 342 h | 15 °C | 54 mm |
| May | 30.5 | 357 h | 18 °C | 23 mm |
| June | 27.5 | 307 h | 21 °C | 21 mm |
| July closed | 30.0 | 342 h | 22 °C | 42 mm |
| August closed | 31.0 | 323 h | 22 °C | 21 mm |
| September | 28.0 | 302 h | 19 °C | 37 mm |
| October | 26.5 | 256 h | 17 °C | 77 mm |
| November | 24.0 | 203 h | 14 °C | 70 mm |
| December | 25.0 | 221 h | 11 °C | 55 mm |
Photo gallery of Lagune du Letty / Mer Blanche - Bénodet (Caribbean Lagoon)
Technical details of Lagune du Letty / Mer Blanche - Bénodet (Caribbean Lagoon) spot
The spot works with winds from N, NNE, NE, ENE, E, ESE, SE, SSE, S, SSW, SW, WSW, W, WNW, NW, NNW.
Spot functioning
Lagoon side: park at the UCPA base at low tide, or at Pointe du Cor de Groasguen (Camping Pointe Saint-Gilles). Sessions at high tide — the lagoon fills and gives Caribbean-like flat water. Ocean side: at low tide, cross the empty lagoon on foot to reach the beach (no swell). Alternatively park at Plage de Kerler and walk (via the naturist beach). Best approach from the west at Pointe du Cor de Groasguen — quickest at high tide. On falling tide the lagoon drains fast — strong current at the outflow channel.
Spot opening date · Required level
- Spot opening date
- Open all year round
- Required level
- Intermediate
On the water
Lagoon side: completely flat, very shallow turquoise water over white sand — Caribbean atmosphere. No swell, no current except on falling tide at the outflow. Rocky areas on the east side — foil not recommended there. Ocean side: no swell either (sheltered by the lagoon geometry), flat water with southwest conditions. Falling tide creates a strong outflow current at the lagoon exit — avoid this zone.
Parking
At low tide, you can park next to the UCPA, or at the Cor de Groasguen point (or Pointe Saint Gilles campsite). At high tide, use the Kerler beach parking lot but it's quite a long walk.
Wind specificities
True all-direction spot — the lagoon works in northeast and east (cross-shore from land), the ocean side works in southwest. South and southeast also work for the lagoon. The enclosed lagoon geometry means almost any wind angle gives usable conditions somewhere. Best winds: northeast for lagoon flat water, southwest for ocean side.
Hazards
At falling tide, the lagoon empties quickly so there is current where the water flows out. On the eastern part of the water area, it's shallower (foil impossible) and there are some annoying rocks for your feet.
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