Greece
Ionian Islands · Ionian Sea

Myrtos Beach Water Temperature & Swim Forecast

Greek beach near Kefalonia.

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Sea temperature now
Source: Open-Meteo Marine
Air temperature
Wave height
Wind
UV index

Location

Myrtos 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

Check live temperature

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Surf & watersports
Once the live reading appears we'll calculate the ideal wetsuit thickness for this beach.

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

Myrtos Beach swimming conditions summary

Water temperature
Water feels
Swimmable today
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Swim conditions score
Wetsuit needed
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Air temperature
Waves
Wind
UV index
Warmest months to swim
July, August, September

Live water temperature is loading — refresh in a moment for a precise recommendation. Live marine data updated hourly from Open-Meteo Marine.

Frequently asked questions

Can I swim at Myrtos Beach right now?

Live data is loading. Use the 7-day forecast above to plan your swim — conditions above 22°C are comfortable for most swimmers.

What will the sea temperature be at Myrtos Beach next week?

Based on long-term August averages and the latest marine model, expect the sea around Myrtos Beach to sit close to 26.0°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 Myrtos Beach?

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

Quick answer

Can I swim at Myrtos Beach today?

Live data is loading. In summer, this beach typically offers comfortable swimming conditions.

Key takeaways
  • • Located in Ionian Islands, Greece (Ionian Sea).
  • 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.

15°C26°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Myrtos Beach

The sea in Myrtos Beach peaks in August, when the water averages around 26°C.

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

On average, 7 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

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

Outside peak season the water drops toward 17°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.

The coldest month is typically February at around 15°C, when cold-water swimmers dominate the coast.

Myrtos Beach sea temperature history

Long-term climatology for Myrtos Beach shows an annual mean sea temperature of 20°C, ranging from 15°C in winter to 26°C at the summer peak.

The seasonal swing is roughly 11°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 Myrtos 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
16°C
Feb
15°C
Mar
15°C
Apr
17°C
May
20°C
Jun
23°C
Jul
25°C
Aug
26°C
Sep
25°C
Oct
22°C
Nov
20°C
Dec
17°C

Myrtos Beach sea temperature: frequently asked questions

What is the warmest month to swim in Myrtos Beach?

August is the warmest month in Myrtos Beach, when the sea averages about 26°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Myrtos Beach?

The coldest month in Myrtos Beach is typically February, when the water averages around 15°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Myrtos Beach without a wetsuit?

The main swimming season in Myrtos Beach runs from May – November — about 7 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 Myrtos Beach?

Outside peak summer the water in Myrtos Beach drops toward 17°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 Myrtos Beach?

The long-term annual mean sea temperature in Myrtos Beach is about 20°C, based on multi-decadal climatology of the surrounding waters.

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

The live reading at the top of this page shows the current sea temperature in Myrtos 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: May – Jun – Jul – Aug – Sep – Oct – Nov

MonthSeaComfort
Jan16°CBracing
Feb15°CBracing
Mar15°CBracing
Apr17°CBracing
May20°CPleasant
Jun23°CWarm
Jul25°CWarm
Aug26°CHot
Sep25°CWarm
Oct22°CWarm
Nov20°CPleasant
Dec17°CBracing

Nearby beaches

The closest coastline, with live water temperatures.