Water and sea temperature in Great Beds Lighthouse (26th January 2021)

The water temperature in Great Beds Lighthouse is extremely cold. You should wear a 5/4 mm to 5/4/3 mm full sealed and taped suit with boots, gloves and a hood particularly if you will be in the sea for an extended period of time.

Please note: These are general guidelines based on today's average water temperature of 44°F in Great Beds Lighthouse. 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.

Our measurements for the water temperature in Great Beds Lighthouse, Middlesex 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 Great Beds Lighthouse 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 Great Beds Lighthouse are as accurate as current data allows, there may be slight local and regional variations depending on conditions and variations in sea depth.