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Sea temperatures, water sports and vacation activities near Castletown, Isle of Man

Water temperatures throughout the year and general information about Castletown...

Castletown is a coastal city in the Isle of Man. It is a quite little city close to the ocean with a population of 3100 people. The water temperature around Castletown varies slightly year round. The temperature ranges from 7.3°C (45.1°F) in March up to 14°C (57.2°F) in the month of August, as illustrated below. The average water temperature throughout the year is 11°C (51°F) and the best time for water activities is late summer, since Castletown is located in the northern hemisphere.

Hover over the bars to see temperature for each month in Celsius and Fahrenheit.

What is the current water temperature near Castletown?

The current water temperature in the month of April in the waters near Castletown is about:
8°C (46°F)

Are there surf spots close by?

There are not too many surf spots in proximity to Castletown. A spot that might be worth checking out is Clogherhead, which is just 66.4km (54.2miles) away from Castletown. Click here to check out more information on Clogherhead and its water temperature. Other surfspots near Castletown are Hells Mouth, which is approximately 87.3km (54.2miles) away, and Tywyn, located approximately 105.6km (65.6miles) from Castletown.

Are there beaches near by?

No, there are not many beaches in close proximity to Castletown. A good beach nearby is Saltcoats, which is 53.5km (33.2miles) away from Castletown. Another fun beach near Castletown is Biggar, 57.4km (35.7miles) away.

What kind of wetsuit thickness is needed for Castletown?

The water temperature around Castletown is pretty cold, reaching up to 14°C (57°F) in the months of July, August, and September. During this time, in the late summer, a 3-4mm wetsuit is required to feel comfortable, but some might even be ok with a good 2/3mm suit for surfing, swimming, snorkelling, or diving around Castletown. Nevertheless, during February, March, and April, sea temperatures reach lows of 7°C (45°F). During this season, a 5/4 wetsuit is required to feel not too cold, but some might even be fine with a very high-quality 4/3mm suit for short periods of time . For very cold conditions and cold mornings/evenings, it might be advisable to have a pair of boots, a hoodie and a gloves.

How is the scuba diving and fishing near Castletown?

Due to comparatively large water temperature changes during the year, diving and fishing conditions alter quite a bit depending on the time of the year. The temperature ranges from 7 to 12°C (45-54°F) during spring. Haddock, Pollock, and Atlantic Cod can usually be found in waters of this temperature range. The conditions usually change during summer when temperatures reach 9 to 14°C (48-57°F). Fish that can often times be found in waters with these temperatures include: Atlantic Mackerel, Winter Flounder, and Tautog.

Directions to Castletown: How do I get there?

Please follow the directions in the map below.

Some fun facts about Castletown...

Do you know what the Garkusha Seamount , East Keswick in United Kingdom, and the city Oristano in Italy have in common with Castletown? Click on the links to find out...