Vis Sea Temperature
Croatia · Forecast updated Jul 15, 2026, 06:22 UTC · refresh delayed
Current Sea Temperature
26.4°C
79.5°F
Warm water
Versus this month's average
Close to average
The July average in our archive is 26.4°C (79.5°F).
Recent trend
Warming by 0.7°C
Seven-day average: 26.5°C, versus 25.8°C in the prior seven days.
What to wear
Warm water
Most people are comfortable in swimwear or a light rash guard.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not mean the sea is safe.
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 26.4°C (79.5°F) in July.
Over the past 30 days, the average sea temperature in Vis has been 25.9°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 | 26.4°C / 79.5°F | 28.0°C / 82.4°F |
Profile calculated from 1071 hourly forecast records across 2 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 26.4°C. Over the last 30 days, the average has been 25.9°C.
When is the water warmest in Vis?
The warmest monthly average in the Vis archive is July, at around 26.4°C (79.5°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?
Yes — at 26.4°C the water is warm enough for comfortable 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 →