# Vis water temperature Sea temperature at Vis is 24.9 °C (76.8 °F). - Location: Vis, Croatia - Timezone: Europe/Zagreb - Source: Open-Meteo marine forecast (snapshot) - Generated at: 2026-09-22T16:53:49.415152+02:00 - Forecast page: https://snorkelforecast.com/croatia/vis/ - HTML sea temperature: https://snorkelforecast.com/croatia/vis/sea-temperature/ - Temperature is not a safety rating or snorkel score. - Guidance: Mild water - What to wear: A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit. ## Monthly baseline - January: 15.9 °C (60.6 °F) - February: 15.1 °C (59.2 °F) - March: 15.1 °C (59.2 °F) - April: 16.1 °C (61.0 °F) - May: 18.6 °C (65.5 °F) - June: 23.1 °C (73.6 °F) - July: 25.7 °C (78.3 °F) - August: 25.9 °C (78.6 °F) - September: 24.6 °C (76.3 °F) - October: 21.8 °C (71.2 °F) - November: 19.5 °C (67.1 °F) - December: 17.1 °C (62.8 °F)