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

Silivri Semizkum

19.8°C ↓ 0.2 · from yesterday
Cold Measured 52 min ago

Over the last 7 days the temperature ranged 20.0°C–20.8°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
20.8°C
Thu
20.6°C
Fri
20.4°C
Sat
20.3°C
Sun
20.2°C
Mon
20.1°C
Tue
20.0°C
Today
Week's high 20.8°C Low 20.0°C Weekly change −0.8°
Air temperature 12°C
Wave 0.1 m
Wind 3 kt NNW
Humidity 92%

Swimming season at Silivri Semizkum

A windsurf spot on Istanbul's Silivri coast; the prevailing wind (northeast, three-quarters of the time) is almost entirely offshore, with 98% of the water measured as open sea.

When to go Midday to evening (13:00-20:00).
Who it suits For experienced windsurfers — it carries offshore wind risk.
Source: Open-Meteo Marine API · Updates hourly Advenway Tools