Greece
Ionian Islands · Ionian Sea

Banana Beach Water Temperature & Swim Forecast

Greek beach near Zakynthos.

Pleasant water with calm seas and glassy wind — great swimming conditions.

Sea temperature now
22.0°Cwarm
Excellent
Updated just now · Source: Open-Meteo Marine

Current model estimate · updated 0 min ago · modelled, not a buoy measurement. How accurate is this?

Air temperature
20.9°C
Wave height
0.5 m
Wind
3.5 km/h
UV index
3.5 UV index

Location

Banana 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

Rash vest or swimsuit

At 22.0°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 Banana Beach's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

Banana Beach swimming conditions summary

Water temperature
22.0°C
Water feels
Pleasant
Swimmable today
Yes — comfortable for most swimmers
Swim conditions score
85/100 · Excellent
Wetsuit needed
Rash vest or swimsuit
Air temperature
20.9°C
Waves
0.5 m · calm
Wind
4 km/h · glassy
UV index
4 · moderate
Average sea temperature (November)
20.0 °C
Warmest months to swim
July, August, September

At 22.0°C most swimmers and surfers are comfortable in a swimsuit or thin rash top. Current model estimate · updated 0 min ago. 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 Banana Beach right now?

The sea at Banana Beach is currently 22.0°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 Banana Beach next week?

Based on long-term November averages and the latest marine model, expect the sea around Banana Beach to sit close to 20.0°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 Banana Beach?

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

Do I need a wetsuit at Banana Beach?

With water currently at 22.0°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 Banana Beach today?

The sea is currently 22.0°C — excellent swimming conditions. Most swimmers will find it pleasant.

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°C → 26°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Banana Beach

The sea in Banana 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.

Banana Beach sea temperature history

Long-term climatology for Banana 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 Banana 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

Banana Beach sea temperature: frequently asked questions

What is the warmest month to swim in Banana Beach?

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

When is the sea coldest in Banana Beach?

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

When can you swim in Banana Beach without a wetsuit?

The main swimming season in Banana 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 Banana Beach?

Outside peak summer the water in Banana 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 Banana Beach?

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

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

The live reading at the top of this page shows the current sea temperature in Banana 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
Aug ⭐26°CHot
Sep25°CWarm
Oct22°CWarm
Nov20°CPleasant
Dec17°CBracing

Nearby beaches

The closest coastline, with live water temperatures.