Anglesey Water Temperature
(Today) Sep 2025
16.1°C / 61°F
The water will feel medium. The water will feel a bit chilly in just bathers / swimming costume. If you plan on wearing a wetsuit 4/3mm should be thick enough.
Current weather
15°C / 58°F
(overcast clouds)
(overcast clouds)

Wind
31 mph
Humidity
27%
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Water temps is based on average surface temperatures measured throughout Anglesey.
Map showing Anglesey locations. Click on pins to view water temperature.
7 locations listed in Anglesey.