May is a popular month to ask about Seabrook Island because conditions can shift week to week along this coast. Expect the water near 23.0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the Atlantic Ocean.
Seabrook Island sea temperature in May — averages 23.0°C
The sea at Seabrook Island in United States averages 23.0°C during May, based on long-run climatology for the Atlantic Ocean. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · May
23.0°C
warm · Excellent
Live water now
…
Recommended wetsuit
Rash vest or swimsuit
At 23.0°C most swimmers and surfers are comfortable in a swimsuit or thin rash top.
Monthly comparison
Yes — comfortable for most swimmers · Seabrook Island
Can you swim at Seabrook Island in June? — 27.0°C water27.0°CCan you swim at Seabrook Island in July? — 29.0°C water29.0°CCan you swim at Seabrook Island in August? — 29.0°C water29.0°CCan you swim at Seabrook Island in September? — 27.0°C water27.0°CCan you swim at Seabrook Island in October? — 23.0°C water23.0°CCan you swim at Seabrook Island in November? — 19.0°C water19.0°C
Frequently asked questions
What is the average sea temperature at Seabrook Island in May?
Seabrook Island averages 23.0°C in May, based on long-run climatology for the Atlantic Ocean.
Is the sea warm enough to swim at Seabrook Island in May?
Yes, most swimmers find 23.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Seabrook Island in May?
Most swimmers don't need a wetsuit; a rash vest helps for longer sessions.