Chausey
Islands Tidal archipelago off Normandy with many islets
The Chausey archipelago off Normandy consists of tidal islets and vast sandbanks. Summer boat trips from Granville, birdwatching and beach walks during low tide draw day visitors.
Chausey is an archipelago in the English Channel off the Normandy coast of France, administratively part of Manche. The group consists of a main inhabited island and many smaller islets and rocks that are alternately exposed and submerged by the tides.
The islands are notable for their extreme tidal variation - only a few dozen islands remain at high tide while many more appear at low tide. The main island, Grande Île, hosts the harbour, a small settlement and seasonal holiday cottages.
Historically the islands have been used for fishing, small-scale agriculture and stone extraction, and today they are primarily a destination for day visitors, walkers and boaters from the nearby port of Granville.
Chausey lies off the Cotentin coast near Granville in Normandy and is reached by short ferry crossings from the mainland.
- Tidal archipelago: Composed of dozens of islets and rocks that number around 52 at high tide and rise to several hundred at low tide, due to a very large tidal range.
- Access: Regular ferry services operate from Granville on the Cotentin coast, making day trips to the islands the most common visitor option.
What to See #
- Grande Île: The Grande Île is the archipelago's main island, containing the harbour, seasonal cottages and the small hamlet used by visitors and residents.
How to Get to Chausey #
Regular boat services run from Granville during the summer months; private charters can be arranged outside of the main season. The crossing is short (about 40-60 minutes) and operators are tide-aware - always confirm times and weather before departure.
Tips for Visiting Chausey #
- Check tide times: the island group's access and exposed granite are shaped by dramatic tidal ranges.
- Walk from Granville (Normandy) on a calm day with a guide if necessary - local boats ply the short crossing and operators know safe landing spots.
- Bring a detailed tide chart and waterproof gear; Chausey's flat channels can mislead the unwary as water returns quickly.
Best Time to Visit Chausey #
Summer offers the most predictable access from Granville; otherwise plan crossings with local operators and tide charts.
Weather & Climate near Chausey #
Temperate climate with mild summers (peaking in August) and cold winters (coldest in January). Temperatures range from 5°C to 21°C. Moderate rainfall (738 mm/year).
January
January is the coolest month with highs of 9°C and lows of 5°C. Regular rainfall (81 mm) and breezy conditions.
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February
February is the coolest month with highs of 9°C and lows of 5°C. Moderate rainfall (64 mm) and breezy conditions.
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March
March is cold with highs of 11°C and lows of 6°C. Moderate rainfall (59 mm) and breezy conditions.
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April
April is cold with highs of 12°C and lows of 7°C. Moderate rainfall (47 mm) and breezy conditions.
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May
May is cool with highs of 16°C and lows of 10°C. Moderate rainfall (51 mm).
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June
June is cool with highs of 18°C and lows of 13°C. Moderate rainfall (43 mm).
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July
July is cool with highs of 21°C and lows of 15°C. Moderate rainfall (39 mm).
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August
August is the warmest month with highs of 21°C and lows of 15°C. Moderate rainfall (40 mm).
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September
September is cool with highs of 19°C and lows of 14°C. Moderate rainfall (59 mm).
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October
October is cool with highs of 16°C and lows of 11°C. Moderate rainfall (77 mm) and breezy conditions.
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November
November is cool with highs of 12°C and lows of 8°C. The wettest month with 91 mm of rain and breezy conditions.
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December
December is cold with highs of 10°C and lows of 6°C. Regular rainfall (87 mm) and breezy conditions.
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