Water and sea temperature in Grassy Rock (29th March 2024)
The sea temperature for Grassy Rock is 40°F today
Average water/sea temperatures this week for Grassy Rock
What wetsuit thickness is needed for Grassy Rock?
The water temperature in Grassy Rock is freezing. We strongly recommend wearing a 6/5 mm to 6/5/4 mm full sealed and taped suit with boots, gloves and a hood especially if you plan to be in the sea for extended periods of time.
Please note: These are general guidelines based on today's average water temperature of 40°F in Grassy Rock. 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 Grassy Rock
Our measurements for the water temperature in Grassy Rock, Fairfield County, United States 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 Grassy Rock 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 Grassy Rock are as accurate as current data allows, there may be slight local and regional variations depending on conditions and variations in sea depth.
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