Brač Sea Temperature
Updated Sat 17:15 (Europe/Zagreb)
Croatia · Forecast updated Sep 5, 2026, 17:15 UTC
Current Sea Temperature
28.0°C
82.4°F
Very warm water
Versus this month's average
Close to average
The September average in our archive is 27.9°C (82.2°F).
Recent trend
Holding fairly steady
Seven-day average: 28.0°C, versus 27.8°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 Brač, monthly averages range from about 24.6°C (76.4°F) in June to 27.9°C (82.2°F) in September.
Over the past 30 days, the average sea temperature in Brač has been 27.8°C.
Monthly Water Temperature Averages
Northern Hemisphere. Summer is generally June–August; winter is December–February.
| Month | Min | Average | Max |
|---|---|---|---|
| June | 21.2°C / 70.2°F | 24.6°C / 76.4°F | 28.6°C / 83.5°F |
| July | 24.5°C / 76.1°F | 26.5°C / 79.7°F | 28.8°C / 83.8°F |
| August | 26.2°C / 79.2°F | 27.7°C / 81.9°F | 28.9°C / 84.0°F |
| September | 27.4°C / 81.3°F | 27.9°C / 82.2°F | 28.7°C / 83.7°F |
Profile calculated from 2330 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Brač
Island home to Zlatni Rat beach and clear pebbly Adriatic shallows.
- Area
- Split-Dalmatia
Brač Water Temperature: Common Questions
What is the sea temperature in Brač today?
The current sea surface temperature in Brač is 28.0°C. Over the last 30 days, the average has been 27.8°C.
When is the water warmest in Brač?
The warmest monthly average in the Brač archive is September, at around 27.9°C (82.2°F).
When is the water coldest in Brač?
The coldest monthly average in the archive is June, at around 24.6°C (76.4°F).
Can you swim in Brač today?
At 28.0°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 Brač.
View Snorkel Forecast →