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8 October 2026 · Thursday Every adventure begins somewhere
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AEGEAN · BALIKESIR

Ayvalık Islands

21.0°C → 0.0 · from yesterday
Cool but swimmable Measured 40 min ago

Over the last 7 days the temperature ranged 21.0°C–21.6°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
21.6°C
Fri
21.5°C
Sat
21.3°C
Sun
21.1°C
Mon
21.0°C
Tue
21.1°C
Wed
21.2°C
Today
Week's high 21.6°C Low 21.0°C Weekly change −0.4°
Air temperature 14°C
Wave 0.0 m
Wind 2 kt ESE
Humidity 79%

Nearby points

Büyükada (Karaburun) 21.0°C Bozcaada 18.3°C Bozcaada Ayazma 18.3°C

Swimming season at Ayvalık Islands

This is a nature park made up of 22 islands, surrounded by dozens of dive sites. The area is known as the only place in Turkey where red coral (Corallium rubrum) can be seen — which makes it more than just an ordinary cove, but a distinctive underwater ecosystem of its own. A biodiversity study reportedly recorded hundreds of species here.

When to go Summer months (June-September); the sea water cools noticeably in winter, making off-season diving more challenging.
Who it suits Especially valuable for those interested in diving and nature observation; it appeals more to visitors willing to spend time exploring than to those just after an ordinary swim break.
Source: Open-Meteo Marine API · Updates hourly Advenway Tools