Thailand
Ko Samui · Gulf of Thailand

Bophut Beach Sea Temperature & Swim Forecast

Fisherman's Village beach on Samui's north.

Very warm water with a light chop and a light breeze — great swimming conditions.

Sea temperature now
29.6°Ctropical
Excellent
Updated just now · Source: Open-Meteo Marine
Air temperature
Wave height
Wind
UV index

Location

Bophut Beach on the map, with nearby beaches and live sea temperatures.

7-day forecast

Water, air, waves, wind and UV outlook for the week ahead.

Wetsuit recommendation

No wetsuit

At 29.6°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.

Surf & watersports
Tropical-feel conditions. Most swimmers stay comfortable for an hour or more without thermal protection. UV exposure is the bigger risk — sunscreen and a rash vest are worth packing.
Open-water swimming
Open-water swims of 60+ minutes feel comfortable with no neoprene.

Recommendation tuned for Bophut Beach's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

Quick answer

Can I swim at Bophut Beach today?

The sea is currently 29.6°C — excellent swimming conditions. Most swimmers will find it pleasant.

Key takeaways
  • • Located in Ko Samui, Thailand (Gulf of Thailand).
  • Family friendly with calm, accessible water.
  • • Live data refreshed hourly from Open-Meteo Marine.

Monthly sea temperature averages

Tap any month to see what to expect — based on regional climatology.

Best time to swim in Bophut Beach

The sea in Bophut Beach peaks in April, when the water averages around 30°C.

The main swimming season runs from January – December, when surface temperatures stay comfortable for extended sessions.

On average, 12 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

The coldest month is typically January at around 27°C, when cold-water swimmers dominate the coast.

Bophut Beach sea temperature history

Long-term climatology for Bophut Beach shows an annual mean sea temperature of 29°C, ranging from 27°C in winter to 30°C at the summer peak.

The seasonal swing is roughly 3°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.

Recent decades have trended slightly warmer at Bophut Beach, in line with regional sea-surface temperature records for the wider basin.

Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.

Jan
27°C
Feb
28°C
Mar
29°C
Apr
30°C
May
30°C
Jun
29°C
Jul
29°C
Aug
29°C
Sep
29°C
Oct
29°C
Nov
28°C
Dec
27°C

Bophut Beach sea temperature: frequently asked questions

What is the warmest month to swim in Bophut Beach?

April is the warmest month in Bophut Beach, when the sea averages about 30°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Bophut Beach?

The coldest month in Bophut Beach is typically January, when the water averages around 27°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Bophut Beach without a wetsuit?

The main swimming season in Bophut Beach runs from January – December — about 12 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.

Do I need a wetsuit in Bophut Beach?

Bophut Beach stays warm year-round, so most swimmers never need a wetsuit — a rash guard is usually enough for sun and wildlife protection.

What is the average sea temperature in Bophut Beach?

The long-term annual mean sea temperature in Bophut Beach is about 29°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Bophut Beach?

The live reading at the top of this page shows the current sea temperature in Bophut Beach, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.

Year-round sea temperature

Best swim months: Jan – Feb – Mar – Apr – May – Jun – Jul – Aug – Sep – Oct – Nov – Dec

MonthSeaComfort
Jan27°CHot
Feb28°CHot
Mar29°CHot
Apr30°CHot
May30°CHot
Jun29°CHot
Jul29°CHot
Aug29°CHot
Sep29°CHot
Oct29°CHot
Nov28°CHot
Dec27°CHot

Nearby beaches

The closest coastline, with live water temperatures.