Water temperature map of the Sea of Marmara
Water temperature in the Sea of Marmara by city today 📍
| City | Now | Swimming |
|---|---|---|
| Corlu | +24° | Warm water |
| Gebze | +24° | Warm water |
| Tekirdag | +25° | Warm water |
| Gemlik | +24° | Warm water |
| Istanbul | +25° | Warm water |
| Erdek | +24° | Warm water |
| Bandirma | +24° | Warm water |
| Bursa | +24° | Warm water |
| Mudanya | +24° | Warm water |
| Silivri | +25° | Warm water |
| Bagcilar | +25° | Warm water |
| Sultanbeyli | +24° | Warm water |
| Bakyrkey | +25° | Warm water |
| Bakhchelievler | +25° | Warm water |
| Beylikdyuzyu | +25° | Warm water |
| Beyoglu | +25° | Warm water |
| Beshiktash | +25° | Warm water |
| Gyungeren | +25° | Warm water |
| Zeytinburnu | +25° | Warm water |
| Kyuchyukchekmedzhe | +25° | Warm water |
| Kyagytkhane | +25° | Warm water |
| Yalova | +24° | Warm water |
| Maltepe | +24° | Warm water |
| UEskuedar | +25° | Warm water |
| Fatikh | +25° | Warm water |
| Chataldzha | +25° | Warm water |
| Esenler | +25° | Warm water |
| Esenyurt | +25° | Warm water |
| Eyup | +25° | Warm water |
| Karacabey | +24° | Warm water |
| Biga | +25° | Warm water |
| Orkhangazi | +25° | Warm water |
| Altynova | +25° | Warm water |
| Chiftlikkey | +24° | Warm water |
| Chynardzhyk | +24° | Warm water |
| Adalar | +25° | Warm water |
🎣 Fishing in cities on the Sea of Marmara
Water temperature forecast in the Sea of Marmara 📅
Computed by a climate model. Water changes slowly — no sharp shifts.
Water temperature in the Sea of Marmara this weekend
Water temperature in the Sea of Marmara for a month
There is no exact monthly water forecast — it changes slowly. The reference is the climate normal: up to +29° in summer. The monthly normal is below.
Monthly water temperature in the Sea of Marmara 🗓️
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| +14 | +13 | +14 | +20 | +23 | +24 | +28 | +29 | +25 | +20 | +18 | +15 |
Climate normal (model estimate).
Swimming conditions in the Sea of Marmara by month
When to swim in the Sea of Marmara 🏖️
Cities on the Sea of Marmara 📍
FAQ about water in the Sea of Marmara ❓
What is the water temperature in the Sea of Marmara now?
Now +25° — Warm water.
Can you swim in the Sea of Marmara?
Comfortable season — from April to November.
When is water warmest in the Sea of Marmara?
Warmest in August — up to +29°.
Where does the water temperature data come from?
A water temperature model (by latitude, longitude and day of year) and SST measurements, by cities.
Water temperature archive in the Sea of Marmara on this day
| City | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|---|---|---|---|---|
| Corlu | +30° | +28° | +25° | +24° | +26° | +28° | +30° | +28° | +26° | +24° |
| Gebze | +29° | +27° | +25° | +24° | +25° | +28° | +29° | +27° | +25° | +24° |
| Tekirdag | +30° | +28° | +26° | +25° | +26° | +29° | +30° | +28° | +26° | +25° |
| Gemlik | +29° | +27° | +25° | +24° | +26° | +28° | +29° | +28° | +26° | +24° |
| Istanbul | +29° | +27° | +25° | +24° | +25° | +28° | +29° | +27° | +25° | +24° |
Climate normal (model estimate for this date), not a measurement archive.
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Water temperature in the Sea of Marmara — in detail
Water temperature in the Sea of Marmara is tracked across 36 cities. The water is now about +25°. The page has a temperature map by city, a daily forecast and a monthly climate normal.