March is a popular month to ask about Playa Manuel Antonio because conditions can shift week to week along this coast. Expect the water near 20.0°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 Pacific Ocean.
Playa Manuel Antonio sea temperature in March — averages 20.0°C
The sea at Playa Manuel Antonio in Costa Rica averages 20.0°C during March, based on long-run climatology for the Pacific 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 · March
20.0°C
warm · Good
Live water now
…
Recommended wetsuit
Shorty 2mm
At 20.0°C a 2mm shorty keeps surfers warm; lap swimmers can usually skip the neoprene.
Monthly comparison
Yes — comfortable for most swimmers · Playa Manuel Antonio
Can you swim at Playa Manuel Antonio in June? — 22.0°C water22.0°CCan you swim at Playa Manuel Antonio in July? — 23.0°C water23.0°CCan you swim at Playa Manuel Antonio in August? — 23.0°C water23.0°CCan you swim at Playa Manuel Antonio in September? — 23.0°C water23.0°CCan you swim at Playa Manuel Antonio in October? — 22.0°C water22.0°CCan you swim at Playa Manuel Antonio in November? — 21.0°C water21.0°C
Frequently asked questions
What is the average sea temperature at Playa Manuel Antonio in March?
Playa Manuel Antonio averages 20.0°C in March, based on long-run climatology for the Pacific Ocean.
Is the sea warm enough to swim at Playa Manuel Antonio in March?
Yes, most swimmers find 20.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Playa Manuel Antonio in March?
Most swimmers don't need a wetsuit; a rash vest helps for longer sessions.