March is a popular month to ask about Playa Nosara because conditions can shift week to week along this coast. Expect the water near 15.0°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 Nosara sea temperature in March — averages 15.0°C
The sea at Playa Nosara in Costa Rica averages 15.0°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
15.0°C
mild · Fair
Live water now
…
Recommended wetsuit
4/3mm fullsuit
At 15.0°C you need a 4/3mm fullsuit, and many surfers add neoprene boots.
Monthly comparison
Cool — short dips or a shorty wetsuit · Playa Nosara
Can you swim at Playa Nosara in June? — 22.0°C water22.0°CCan you swim at Playa Nosara in July? — 25.0°C water25.0°CCan you swim at Playa Nosara in August? — 26.0°C water26.0°CCan you swim at Playa Nosara in September? — 24.0°C water24.0°CCan you swim at Playa Nosara in October? — 21.0°C water21.0°CCan you swim at Playa Nosara in November? — 18.0°C water18.0°C
Frequently asked questions
What is the average sea temperature at Playa Nosara in March?
Playa Nosara averages 15.0°C in March, based on long-run climatology for the Pacific Ocean.
Is the sea warm enough to swim at Playa Nosara in March?
Not without thermal protection — a wetsuit is recommended at 15.0°C.
Do I need a wetsuit at Playa Nosara in March?
A 3/2 mm wetsuit makes longer swims comfortable.