Water and sea temperature in Castricum (12th July 2020)
The average water temperature for Castricum is 17°C today
Average water/sea temperatures this week for Castricum
What wetsuit thickness is needed for Castricum?
The water temperature in Castricum is a bit cool. You may want to consider wearing a 3/2 mm to 4/3 mm full sealed wetsuit and boots particularly if you plan to be swimming in the ocean for an extended period of time.
Please note: These are general guidelines based on today's average water temperature of 17°C in Castricum. If there are strong winds, cold air temperatures, you are engaging in activities with less movement or you get cold easily, you may want to consider a thicker wetsuit. consider a thicker wetsuit.
Information about our water / sea temperature data for Castricum
Our measurements for the water temperature in Castricum, Gemeente Castricum, Netherlands are provided by the daily sea surface temperature (SST) satellite readings from NOAA.
Please be aware that our water temperatures are based on open water averages. Actual sea surface water temperatures close to the shore at Castricum can vary by several degrees.
Weather patterns that can increase variation in water temperatures
Heavy rains, locations near river mouths and long periods of strong offshore winds can cause variations in ocean temperatures. Offshore winds cause the colder deep water to replace the surface water which has been warmed by the sun.
Whilst sea temperatures for Castricum are as accurate as current data allows, there may be slight local and regional variations depending on conditions and variations in sea depth.