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 at a Glance#
Address: Saint Tudwal’s Islands, off the coast of Gwynedd, Wales
About Saint Tudwal's Islands#
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).
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Poor | 4° - 8° | 2° | 87 mm | overcast | 87% | 6.4 m/s | 0.0 low | 8.1h |
| February | Poor | 4° - 8° | 2° | 63 mm | overcast | 87% | 6.1 m/s | 0.1 low | 9.7h |
| March | Acceptable | 5° - 10° | 4° | 69 mm | overcast | 86% | 5.8 m/s | 0.4 low | 11.7h |
| April | Acceptable | 6° - 12° | 6° | 54 mm | overcast | 84% | 4.9 m/s | 0.8 moderate | 13.8h |
| May | Acceptable | 8° - 15° | 11° | 49 mm | overcast | 83% | 4.9 m/s | 1.2 high | 15.5h |
| June | Very Good | 11° - 17° | 14° | 58 mm | partly cloudy | 84% | 4.5 m/s | 1.5 high | 16.5h |
| July | Good | 13° - 19° | 16° | 57 mm | overcast | 85% | 4.5 m/s | 1.4 high | 16.0h |
| August | Good | 13° - 19° | 16° | 74 mm | overcast | 85% | 4.5 m/s | 1.1 high | 14.5h |
| September | Good | 12° - 17° | 14° | 78 mm | overcast | 85% | 5.0 m/s | 0.7 moderate | 12.5h |
| October | Acceptable | 9° - 14° | 12° | 95 mm | overcast | 85% | 5.8 m/s | 0.3 low | 10.4h |
| November | Poor | 7° - 11° | 6° | 101 mm | overcast | 86% | 5.7 m/s | 0.1 low | 8.6h |
| December | Poor | 5° - 9° | 3° | 96 mm | overcast | 87% | 6.2 m/s | 0.0 low | 7.5h |