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7 October 2026 · Wednesday Every adventure begins somewhere
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MARMARA · ISTANBUL

Büyükada (Adalar)

19.6°C ↑ 0.2 · from yesterday
Cold Measured 59 min ago

Over the last 7 days the temperature ranged 19.9°C–20.7°C. The bay's own character and daily wind direction drive the day-to-day swings.

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Map: OpenFreeMap © OpenMapTiles · Data: OpenStreetMap contributors (ODbL)
Record source: Open-Meteo Marine API

Records shown on the map

Sea water temperature (83)

7-day trend

°C · daily average
20.7°C
Thu
20.5°C
Fri
20.3°C
Sat
20.1°C
Sun
20.1°C
Mon
19.9°C
Tue
20.0°C
Today
Week's high 20.7°C Low 19.9°C Weekly change −0.7°
Air temperature 15°C
Wave 0.1 m
Wind 4 kt NE
Humidity 85%

Nearby points

Sedef Island (Adalar) 19.6°C Burgazada (Adalar) 19.8°C Beylikdüzü Gürpınar 19.6°C

Swimming season at Büyükada (Adalar)

Büyükada's coastline largely consists of sheltered coves, which generally keeps the water calm and still. The area around Aya Nikola is known as one of the island's most peaceful, most secluded spots; the coves around Dilburnu Tabiat Parkı (Nature Park) can be reached by about a 25-30 minute walk from the pier.

When to go June through September; weekdays are calmer than the island's heavy tourist traffic.
Who it suits Suitable for those wanting to escape crowds and for families (with coves like Halik Koyu offering wide sunbathing areas); also a practical option for those wanting easy access from İstanbul.
Source: Open-Meteo Marine API · Updates hourly Advenway Tools