Lagune du Letty / Mer Blanche - Bénodet (Caribbean Lagoon) spot

Lagune du Letty / Mer Blanche - Bénodet (Caribbean Lagoon) kitesurf, wingfoil and windsurf spot

France · Bretagne

Spot currently openIntermediate level 47.86 | -4.08

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.

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Spot forecast for Lagune du Letty / Mer Blanche - Bénodet (Caribbean Lagoon)

Sunrise 08:41 · Sunset 19:21

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< 7 kn7–12 kn13–20 kn21–30 kn31–40 kn41+ kn Gusts Your minimum: 7 kn

Forecasts provided by Open-Meteo

Swell and waves

Swell and tides over 8 days. Premium members see the swell and tides over 8 days. Without a subscription: 5 days.

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Wave height: < 0.5 m 0.5–1 m 1–2 m 2–3 m ≥ 3 m

Swell data by Open-Meteo Marine

Tides

Heights above lowest astronomical tide, in the spot's local time. Computed 5.9 km from the spot.

6:0012:0018:006:0012:0018:006:0012:0018:006:0012:0018:006:0012:0018:00Mon 19Tue 20Wed 21Thu 22Fri 23 Now05:212.1 m11:273.3 m18:242 m00:273.1 m06:512.1 m13:033.4 m19:431.9 m01:483.3 m08:011.8 m14:073.6 m20:371.6 m02:393.6 m08:501.6 m14:523.9 m21:181.3 m03:193.9 m09:311.3 m15:314.2 m21:541 m
  • 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…)

Season · peak

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

0 10 20 30 40 January: 24.5 rideable days J February: 25 rideable days F March: 29.5 rideable days M April: 28.5 rideable days A May: 30.5 rideable days30.5 d M June: 27.5 rideable days J July: 30 rideable days J August: 31 rideable days A September: 28 rideable days S October: 26.5 rideable days O November: 24 rideable days24 d N December: 25 rideable days D 0 10 20 30 40 January: 24.5 rideable days J February: 25 rideable days F March: 29.5 rideable days M April: 28.5 rideable days A May: 30.5 rideable days30.5 d M June: 27.5 rideable days J July: 30 rideable days J August: 31 rideable days A September: 28 rideable days S October: 26.5 rideable days O November: 24 rideable days24 d N December: 25 rideable days D
Closed month

Wind strength when it is rideable

7-12 knots · 76%13-20 knots · 21%21-30 knots · 3%31+ knots · under 1%

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)
Monthly averages — Lagune du Letty / Mer Blanche - Bénodet (Caribbean Lagoon) — averaged over 2 years of records — Weather data by Open-Meteo.com — How it is calculated
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)

  • Lagune du Letty / Mer Blanche - Bénodet (Caribbean Lagoon) — photo 1
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Technical details of Lagune du Letty / Mer Blanche - Bénodet (Caribbean Lagoon) spot

N: Rideable NNE: Rideable NE: Rideable ENE: Rideable E: Rideable ESE: Rideable SE: Rideable SSE: Rideable S: Rideable SSW: Rideable SW: Rideable WSW: Rideable W: Rideable WNW: Rideable NW: Rideable NNW: Rideable N E S W

The spot works with winds from N, NNE, NE, ENE, E, ESE, SE, SSE, S, SSW, SW, WSW, W, WNW, NW, NNW.

Rideable Not rideable
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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