Istanbul, Türkiye
Sea of Marmara41.25°N, 29.06°EStation TU-IST-DEM

Demirciköy Dalya Sea Water Temperature

A temperate beach on the Sea of Marmara, warmest around August at about 25.5°C. Today's reading, 7-day forecast, and monthly averages below.

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

Demirciköy Dalya water temperature

23.3
73.9°FComfortable (20°C – 24°C)

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

+0°vs Sep avgSea of Marmara41.25°N, 29.06°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
25°C
76.6°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
23.3°C
73.9°F
Waves: 1m
Comfortable
ThuOct 1
23.6°C
74.5°F
Waves: 0.9m
Comfortable
FriOct 2
23.7°C
74.7°F
Waves: 0.7m
Comfortable
SatOct 3
23.6°C
74.5°F
Waves: 0.6m
Comfortable
SunOct 4
23.3°C
73.9°F
Waves: 0.7m
Comfortable
MonOct 5
23°C
73.4°F
Waves: 0.9m
Comfortable
TueOct 6
22.9°C
73.2°F
Waves: 1m
Comfortable
Forecast cooling trend: -0.4°C over 7 days at Demirciköy Dalya.
Confidence: High

Demirciköy Dalya Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Demirciköy Dalya occurs inJuly, August, September — peaking at25.5°C (77.9°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
8
Feb
8
Mar
11
Apr
16
May
22
Jun
24
Jul
26
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
January6.6°C8.9°C11.6°CVery Cold (< 16°C)
February4.9°C7.9°C10.1°CVery Cold (< 16°C)
March6.1°C8.2°C9.5°CVery Cold (< 16°C)
April7.9°C10.5°C14.6°CVery Cold (< 16°C)
May11.8°C15.8°C19.8°CVery Cold (< 16°C)
June17.7°C21.6°C25°CComfortable (20°C – 24°C)
July22.3°C24.3°C26.7°CWarm & Ideal (24°C – 28°C)
August23.7°C25.5°C27.2°CWarm & Ideal (24°C – 28°C)
SeptemberCurrent20.3°C23.3°C25.8°CComfortable (20°C – 24°C)
October14.8°C19.4°C23.3°CCool / Refreshing (16°C – 20°C)
November11.8°C15.2°C17.7°CVery Cold (< 16°C)
December8.6°C11.5°C14.3°CVery Cold (< 16°C)

Swimming FAQs for Demirciköy Dalya

Is the sea warm enough to swim in Demirciköy Dalya today?

Typical sea surface temperature in Demirciköy Dalya this time of year is 23.3°C (73.9°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 Demirciköy Dalya?

The highest water temperatures in Demirciköy Dalya typically occur duringJuly, August, September, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Demirciköy Dalya in September?

Historically in September, water temperatures in Demirciköy Dalya average around23.3°C (73.9°F), fluctuating between a recorded minimum of 20.3°C and a maximum of 25.8°C.

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Demirciköy Dalya Coastal Zone Map

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