Tyrrhenian Sea — Italy
Isle di Ponza - San Felice Circeo
- 39.2 km
- Distance
- Isle di Ponza ↔ San Felice Circeo
Sentinel-2 cloudless 2016 · Copernicus Sentinel data
The crossing
Isle di Ponza ↔ San Felice Circeo: 39.2 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.
Show the data as a table
| Month | Mean | Lowest | Highest |
|---|---|---|---|
| January | 16.3 °C (61 °F) | 15.5 °C (60 °F) | 17.6 °C (64 °F) |
| February | 15.2 °C (59 °F) | 14.7 °C (58 °F) | 15.7 °C (60 °F) |
| March | 15.3 °C (60 °F) | 14.5 °C (58 °F) | 16.1 °C (61 °F) |
| April | 16.5 °C (62 °F) | 15.1 °C (59 °F) | 18.3 °C (65 °F) |
| May | 19.4 °C (67 °F) | 16.9 °C (62 °F) | 21.8 °C (71 °F) |
| June | 24 °C (75 °F) | 21.5 °C (71 °F) | 27.5 °C (82 °F) |
| July | 26.9 °C (80 °F) | 24 °C (75 °F) | 29.4 °C (85 °F) |
| August | 26.9 °C (80 °F) | 21.1 °C (70 °F) | 29.7 °C (85 °F) |
| September | 25 °C (77 °F) | 22.1 °C (72 °F) | 28.5 °C (83 °F) |
| October | 22.7 °C (73 °F) | 20.7 °C (69 °F) | 24.8 °C (77 °F) |
| November | 20 °C (68 °F) | 18.1 °C (65 °F) | 21.9 °C (71 °F) |
| December | 17.6 °C (64 °F) | 16.6 °C (62 °F) | 18.7 °C (66 °F) |