Ionian Sea — Greece

Ermones - Paleokastritsa

9.7 km
Distance
Ermones ↔ Agios Spyridon, Paleokastritsa
Sentinel-2 cloudless 2016 · Copernicus Sentinel data

The crossing

Ermones ↔ Agios Spyridon, Paleokastritsa: 9.7 km of shortest route, the shortest loop in the water around the island. No ratified crossing yet.

Water temperature

Sea surface temperature measured by satellite at mid-route, daily values 2023–2025: the dot is the monthly mean, the bar spans the lowest to the highest.

16°20°24°28°JanFebMarAprMayJunJulAugSepOctNovDec
Show the data as a table
MonthMeanLowestHighest
January17 °C (63 °F)16.4 °C (62 °F)17.7 °C (64 °F)
February15.9 °C (61 °F)14.7 °C (58 °F)16.9 °C (62 °F)
March16 °C (61 °F)14.9 °C (59 °F)16.9 °C (62 °F)
April16.9 °C (62 °F)15.2 °C (59 °F)18.9 °C (66 °F)
May19.2 °C (67 °F)16.4 °C (62 °F)22.3 °C (72 °F)
June22.7 °C (73 °F)19 °C (66 °F)25.4 °C (78 °F)
July24.1 °C (75 °F)18.9 °C (66 °F)27.6 °C (82 °F)
August25.8 °C (78 °F)20.7 °C (69 °F)29.1 °C (84 °F)
September25.9 °C (79 °F)23.3 °C (74 °F)28.8 °C (84 °F)
October23 °C (73 °F)20.5 °C (69 °F)25.5 °C (78 °F)
November21 °C (70 °F)18.5 °C (65 °F)23.6 °C (74 °F)
December18.3 °C (65 °F)17.1 °C (63 °F)20.2 °C (68 °F)

Distance is the shortest straight line between the start and finish coastal stretches, not the GPS track length: currents cause swimmers to cover much more distance.