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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the DailyCity weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For Trearddur Bay, located on the western coast of Anglesey, the live forecast above gives the immediate conditions for this popular beach and harbour spot. The maritime climate here means a blend of Atlantic influences and shelter from the prevailing south-westerly winds, making localised showers a common feature even in settled spells.
What is the outlook for Trearddur Bay this week?
The live forecast above shows the next few days for Trearddur Bay. Typical of the Anglesey coast, you can expect a mix of sunny intervals and occasional rain, with a moderate breeze off the Irish Sea. Sea temperature around 14–16°C in late summer means swimming is still possible, but be ready for sudden cloud cover. For a longer view, see the 10 Day Weather Forecast UK or check the met office trearddur bay page for detailed updates.
How does the coastal setting affect Trearddur Bay’s weather?
Trearddur Bay sits in a sheltered cove, so the immediate beach area can feel noticeably calmer than exposed headlands like South Stack. However, the Irish Sea generates its own low cloud and drizzle, particularly in the morning. Winds are mostly south-westerly, so the bay gets a degree of shelter from Holyhead Mountain to the north. For a broader picture, compare with nearby Liverpool Weather which often sees sharper contrasts.
Is Trearddur Bay usually windy?
It can be, but the bay is one of the more sheltered spots on Anglesey. The live forecast above will show wind direction – a south-westerly often means a pleasant onshore breeze, while a north-westerly can bring stronger gusts across the open water.
Where can I find the trearddur bay weather 14 days forecast?
The live forecast above gives a week ahead. For a **trearddur bay weather 14 days** outlook, the Met Office’s site provides an extended 14-day chart. The **21 day weather forecast trearddur bay** is also available on long-range forecasting sites, though accuracy decreases beyond a week.
What is the best time to visit Trearddur Bay for fine weather?
Late May to September offers the highest chance of dry, calm conditions. The live forecast above will help you check the immediate outlook, but the west coast can get Atlantic low pressure even in summer, so always pack a light waterproof.