South Korea
Busan · Sea of Japan

Songdo Beach Busan Water Temperature & Swim Forecast

Coastal beach near Busan.

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

Sea temperature now
22.1°Cwarm
Excellent
Source: Open-Meteo Marine

Model estimate · modelled, not a buoy measurement. How accurate is this?

Air temperature
—
Wave height
—
Wind
—
UV index
—

Location

Songdo Beach Busan 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

Rash vest or swimsuit

At 22.1°C most swimmers and surfers are comfortable in a swimsuit or thin rash top.

Surf & watersports
Warm summer-Mediterranean range. A UV-rated rash vest adds sun protection without restricting your stroke. Children and slim swimmers may prefer a thin 1.5mm shorty for sessions over 45 minutes.
Open-water swimming
Comfortable for unlimited swim duration; rash vest cuts UV and chafing.

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

Songdo Beach Busan swimming conditions summary

Water temperature
22.1°C
Water feels
Pleasant
Swimmable today
Yes — comfortable for most swimmers
Swim conditions score
84/100 · Excellent
Wetsuit needed
Rash vest or swimsuit
Air temperature
—
Waves
—
Wind
—
UV index
—
Average sea temperature (September)
22.0 °C
Warmest months to swim
July, August, September

At 22.1°C most swimmers and surfers are comfortable in a swimsuit or thin rash top. Model estimate. Water, wave, wind and UV values are Open-Meteo marine/weather model estimates, refreshed hourly — not buoy measurements.

Frequently asked questions

Can I swim at Songdo Beach Busan right now?

The sea at Songdo Beach Busan is currently 22.1°C — great swimming conditions. Most swimmers will find the water comfortable when it's above 22°C; below 18°C feels fresh and a wetsuit is recommended.

What will the sea temperature be at Songdo Beach Busan next week?

Based on long-term September averages and the latest marine model, expect the sea around Songdo Beach Busan to sit close to 19.9°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.

When is the best month to swim at Songdo Beach Busan?

July – August – September are typically the warmest months to swim at Songdo Beach Busan, with sea temperatures at their seasonal peak.

Do I need a wetsuit at Songdo Beach Busan?

With water currently at 22.1°C: above 22°C no wetsuit needed; 18–22°C a shorty is comfortable for long swims; 14–18°C a 3/2mm full suit; below 14°C a 4/3mm or thicker.

Quick answer

Can I swim at Songdo Beach Busan today?

The sea is currently 22.1°C — excellent swimming conditions. Most swimmers will find it pleasant.

Key takeaways
  • • Located in Busan, South Korea (Sea of Japan).
  • • 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.

12°C → 24°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Songdo Beach Busan

The sea in Songdo Beach Busan peaks in July, when the water averages around 24°C.

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

On average, 4 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

Shoulder months like May and October are noticeably cooler but often quieter, with fewer crowds and steadier weather.

Outside peak season the water drops toward 14°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.

The coldest month is typically February at around 12°C, when cold-water swimmers dominate the coast.

Songdo Beach Busan sea temperature history

Long-term climatology for Songdo Beach Busan shows an annual mean sea temperature of 18°C, ranging from 12°C in winter to 24°C at the summer peak.

The seasonal swing is roughly 12°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 Songdo Beach Busan, 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
13°C
Feb
12°C
Mar
13°C
Apr
15°C
May
18°C
Jun
21°C
Jul
24°C
Aug
24°C
Sep
22°C
Oct
19°C
Nov
16°C
Dec
14°C

Songdo Beach Busan sea temperature: frequently asked questions

What is the warmest month to swim in Songdo Beach Busan?

July is the warmest month in Songdo Beach Busan, when the sea averages about 24°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Songdo Beach Busan?

The coldest month in Songdo Beach Busan is typically February, when the water averages around 12°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Songdo Beach Busan without a wetsuit?

The main swimming season in Songdo Beach Busan runs from June – September — about 4 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 Songdo Beach Busan?

Outside peak summer the water in Songdo Beach Busan drops toward 14°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.

What is the average sea temperature in Songdo Beach Busan?

The long-term annual mean sea temperature in Songdo Beach Busan is about 18°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Songdo Beach Busan?

The live reading at the top of this page shows the current sea temperature in Songdo Beach Busan, 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: Jun – Jul – Aug – Sep

MonthSeaComfort
Jan13°CCold
Feb12°CCold
Mar13°CCold
Apr15°CBracing
May18°CPleasant
Jun21°CPleasant
Jul ⭐24°CWarm
Aug24°CWarm
Sep22°CWarm
Oct19°CPleasant
Nov16°CBracing
Dec14°CBracing

Nearby beaches

The closest coastline, with live water temperatures.