Vis Sea Temperature
Updated Sat 14:08 (Europe/Zagreb)
Croatia · Forecast updated Aug 8, 2026, 14:08 UTC
Current Sea Temperature
29.1°C
84.4°F
Very warm water
Versus this month's average
1.3°C above
The August average in our archive is 27.8°C (82.1°F).
Recent trend
Warming by 1.5°C
Seven-day average: 27.8°C, versus 26.2°C in the prior seven days.
What to wear
Very warm water
Swimwear is usually enough; a rash guard adds sun protection.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions.
Sea Surface Temperature Over the Year
In the data collected for Vis, monthly averages range from about 24.0°C (75.3°F) in June to 27.8°C (82.1°F) in August.
Over the past 30 days, the average sea temperature in Vis has been 27.0°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| June | 21.1°C / 70.0°F | 24.0°C / 75.3°F | 28.1°C / 82.6°F |
| July | 24.8°C / 76.6°F | 26.6°C / 79.8°F | 28.7°C / 83.7°F |
| August | 26.2°C / 79.2°F | 27.8°C / 82.1°F | 28.9°C / 84.0°F |
Profile calculated from 1655 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Vis
Remote Adriatic island with the Blue Cave nearby and exceptionally clear coves.
- Area
- Split-Dalmatia
Vis Water Temperature: Common Questions
What is the sea temperature in Vis today?
The current sea surface temperature in Vis is 29.1°C. Over the last 30 days, the average has been 27.0°C.
When is the water warmest in Vis?
The warmest monthly average in the Vis archive is August, at around 27.8°C (82.1°F).
When is the water coldest in Vis?
The coldest monthly average in the archive is June, at around 24.0°C (75.3°F).
Can you swim in Vis today?
At 29.1°C, the water is usually comfortable for swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Vis.
View Snorkel Forecast →