Saint Tudwal's Islands
Islands Small Welsh island group with seabird colonies
A small archipelago off the Llŷn Peninsula, Saint Tudwal’s Islands attract boaters and wildlife watchers for seabird colonies, tidal swims, and lighthouse views.
Saint Tudwal’s Islands are a small two-island group off the Llyn Peninsula in northwest Wales, known locally as St Tudwal’s East and West.
Boat visitors go to see the islands’ coastal scenery and seabird life; the eastern island features a lighthouse and small sheltered landing spots while the western island is quieter and valued for wildlife. The islands are a common short-trip destination from nearby coastal towns.
The islands have long served as coastal navigation points and the lighthouse and associated structures mark their role in maritime safety.
Lying off the south coast of the Llyn Peninsula, the islands are a short boat ride from villages such as Abersoch in Gwynedd.
- Access: The islands lie off the Llyn Peninsula near Abersoch and are commonly visited from nearby harbors by small boats.
What to See #
- St Tudwal's East: East Island has the island's lighthouse and small sheltered landing areas used by visiting boats.
- St Tudwal's West: West Island is largely uninhabited with shoreline and rocky outcrops important for nesting seabirds.
How to Get to Saint Tudwal's Islands #
Boat trips leave from small harbors on the Llyn Peninsula, such as Abersoch and nearby villages. Use licensed local skippers familiar with the islands’ currents and landing spots.
Tips for Visiting Saint Tudwal's Islands #
- Boat landings can be exposed - go with a local skipper who knows tides and landing coves.
- Bring layers: wind off the Celtic Sea can be cold even on sunny days.
Best Time to Visit Saint Tudwal's Islands #
Summer is the preferred season for sea conditions and wildlife activity.
Weather & Climate near Saint Tudwal's Islands #
Temperate climate with mild summers (peaking in August) and cold winters (coldest in February). Temperatures range from 4°C to 19°C. Moderate rainfall (881 mm/year).
January
January is cold with highs of 8°C and lows of 4°C. Regular rainfall (87 mm), mostly overcast skies, and breezy conditions.
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February
February is the coolest month with highs of 8°C and lows of 4°C. Moderate rainfall (63 mm), mostly overcast skies, and breezy conditions.
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March
March is cold with highs of 10°C and lows of 4°C. Moderate rainfall (69 mm) and mostly overcast skies.
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April
April is cold with highs of 12°C and lows of 6°C. Moderate rainfall (54 mm) and mostly overcast skies.
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May
May is cool with highs of 15°C and lows of 8°C. Moderate rainfall (49 mm) and mostly overcast skies.
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June
June is cool with highs of 17°C and lows of 11°C. Moderate rainfall (58 mm) and partly cloudy skies.
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July
July is cool with highs of 18°C and lows of 13°C. Moderate rainfall (57 mm) and mostly overcast skies.
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August
August is cool with highs of 19°C and lows of 13°C. Moderate rainfall (74 mm) and mostly overcast skies.
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September
September is cool with highs of 17°C and lows of 12°C. Moderate rainfall (78 mm) and mostly overcast skies.
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October
October is cool with highs of 14°C and lows of 9°C. Regular rainfall (95 mm) and mostly overcast skies.
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November
November is cold with highs of 11°C and lows of 7°C. The wettest month with heavy rain (101 mm) and mostly overcast skies.
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December
December is cold with highs of 9°C and lows of 5°C. Regular rainfall (96 mm), mostly overcast skies, and breezy conditions.
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