Istanbul, Türkiye
Sea of Marmara40.96°N, 28.84°EStation TU-IST-YES

Yeşilköy International Hospital Önü Sea Water Temperature

A temperate beach on the Sea of Marmara, warmest around August at about 24.6°C. Today's reading, 7-day forecast, and monthly averages below.

Live readings · auto-updating
Water Temperature NowBuoy & Sentinel-3 SST

Yeşilköy International Hospital Önü water temperature

22.9
73.2°FComfortable (20°C – 24°C)

Pleasant and revitalizing. Great for most beachgoers and active recreational swimming.

+0°vs Sep avgSea of Marmara40.96°N, 28.84°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
24°C
75.9°F onshore
Wind Speed
12 km/h
Surface wind
Wave Height
0.8 m
Slight shore chop
Swell
0.6 m
Deep water swell
Wave Period
6 s
Peak interval
UV Index
—
Daily maximum
Sunrise
—
First morning light
Sunset
—
Golden hour close

7-Day Water Temperature Forecast

Open-Meteo ocean model
Today
WedSep 30
22.9°C
73.2°F
Waves: 1m
Comfortable
ThuOct 1
23.2°C
73.8°F
Waves: 0.9m
Comfortable
FriOct 2
23.3°C
73.9°F
Waves: 0.7m
Comfortable
SatOct 3
23.2°C
73.8°F
Waves: 0.6m
Comfortable
SunOct 4
22.9°C
73.2°F
Waves: 0.7m
Comfortable
MonOct 5
22.6°C
72.7°F
Waves: 0.9m
Comfortable
TueOct 6
22.5°C
72.5°F
Waves: 1m
Comfortable
Forecast cooling trend: -0.4°C over 7 days at Yeşilköy International Hospital Önü.
Confidence: High

Yeşilköy International Hospital Önü Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Yeşilköy International Hospital Önü occurs inJuly, August, September — peaking at24.6°C (76.3°F) in August.

Year-Round Water Temperature Curve (°C / °F)

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
9
Jan
9
Feb
9
Mar
12
Apr
16
May
21
Jun
24
Jul
25
Aug
Current
23
Sep
19
Oct
15
Nov
12
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January6.1°C9.4°C12.1°CVery Cold (< 16°C)
February6.2°C8.7°C10.9°CVery Cold (< 16°C)
March6.4°C9.1°C10.8°CVery Cold (< 16°C)
April8.5°C11.5°C15.6°CVery Cold (< 16°C)
May12.8°C16.4°C20.8°CCool / Refreshing (16°C – 20°C)
June17.8°C21.2°C24.5°CComfortable (20°C – 24°C)
July21.9°C23.8°C26.5°CComfortable (20°C – 24°C)
August22.9°C24.6°C26.5°CWarm & Ideal (24°C – 28°C)
SeptemberCurrent20.2°C22.9°C25.3°CComfortable (20°C – 24°C)
October15.2°C19.4°C22.5°CCool / Refreshing (16°C – 20°C)
November12°C15.3°C17.8°CVery Cold (< 16°C)
December9.1°C12°C15.3°CVery Cold (< 16°C)

Swimming FAQs for Yeşilköy International Hospital Önü

Is the sea warm enough to swim in Yeşilköy International Hospital Önü today?

Typical sea surface temperature in Yeşilköy International Hospital Önü this time of year is 22.9°C (73.2°F) — classified as Comfortable (20°C – 24°C). Pleasant and revitalizing. Great for most beachgoers and active recreational swimming. Live readings load automatically.

What are the warmest months for swimming in Yeşilköy International Hospital Önü?

The highest water temperatures in Yeşilköy International Hospital Önü typically occur duringJuly, August, September, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Yeşilköy International Hospital Önü in September?

Historically in September, water temperatures in Yeşilköy International Hospital Önü average around22.9°C (73.2°F), fluctuating between a recorded minimum of 20.2°C and a maximum of 25.3°C.

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Yeşilköy International Hospital Önü Coastal Zone Map

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