Gerakas Beach — Sea temperature now
Zakynthos family beach.
Warm water with a light chop and a light breeze — great swimming conditions.
Location
Gerakas 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.
Monthly sea temperature averages
Typical year-round water temperature, based on regional climatology.
Best time to swim in Gerakas Beach
The sea in Gerakas 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.
Gerakas Beach sea temperature history
Long-term climatology for Gerakas 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 Gerakas 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.
Gerakas Beach sea temperature: frequently asked questions
What is the warmest month to swim in Gerakas Beach?
August is the warmest month in Gerakas Beach, when the sea averages about 26°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Gerakas Beach?
The coldest month in Gerakas Beach is typically February, when the water averages around 15°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Gerakas Beach without a wetsuit?
The main swimming season in Gerakas 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 Gerakas Beach?
Outside peak summer the water in Gerakas 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 Gerakas Beach?
The long-term annual mean sea temperature in Gerakas Beach is about 20°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Gerakas Beach?
The live reading at the top of this page shows the current sea temperature in Gerakas 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
| Month | Sea | Comfort |
|---|---|---|
| Jan | 16°C | Bracing |
| Feb | 15°C | Bracing |
| Mar | 15°C | Bracing |
| Apr | 17°C | Bracing |
| May | 20°C | Pleasant |
| Jun | 23°C | Warm |
| Jul | 25°C | Warm |
| Aug ⭐ | 26°C | Hot |
| Sep | 25°C | Warm |
| Oct | 22°C | Warm |
| Nov | 20°C | Pleasant |
| Dec | 17°C | Bracing |
