Marmaris Sea Temperature
Updated Sat 06:38 (Europe/Istanbul)
Turkey · Forecast updated Aug 8, 2026, 06:38 UTC
Current Sea Temperature
27.5°C
81.5°F
Warm water
Versus this month's average
0.6°C below
The August average in our archive is 28.1°C (82.6°F).
Recent trend
Warming by 1.7°C
Seven-day average: 27.9°C, versus 26.3°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 describe sea conditions.
Sea Surface Temperature Over the Year
In the data collected for Marmaris, monthly averages range from about 25.1°C (77.1°F) in June to 28.1°C (82.6°F) in August.
Over the past 30 days, the average sea temperature in Marmaris has been 27.5°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| June | 22.2°C / 72.0°F | 25.1°C / 77.1°F | 27.9°C / 82.2°F |
| July | 25.2°C / 77.4°F | 27.2°C / 80.9°F | 29.7°C / 85.5°F |
| August | 26.6°C / 79.9°F | 28.1°C / 82.6°F | 29.5°C / 85.1°F |
Profile calculated from 1647 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Marmaris
Aegean-Med resort with sheltered bays and clear water around Turunç.
- Area
- Muğla
Marmaris Water Temperature: Common Questions
What is the sea temperature in Marmaris today?
The current sea surface temperature in Marmaris is 27.5°C. Over the last 30 days, the average has been 27.5°C.
When is the water warmest in Marmaris?
The warmest monthly average in the Marmaris archive is August, at around 28.1°C (82.6°F).
When is the water coldest in Marmaris?
The coldest monthly average in the archive is June, at around 25.1°C (77.1°F).
Can you swim in Marmaris today?
At 27.5°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 Marmaris.
View Snorkel Forecast →