Attiki, Greece
Myrtoan Sea37.74°N, 23.54°EStation GR-ATT-BEA

Αγία Μαρίνα Sea Water Temperature

A mild beach on the Myrtoan Sea, warmest around August at about 26°C. Today's reading, 7-day forecast, and monthly averages below.

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

Αγία Μαρίνα water temperature

25.1
77.2°FWarm & Ideal (24°C – 28°C)

Ideal swimming conditions. Feels soothing and warm, perfect for hours in the water without getting cold.

+0°vs Sep avgMyrtoan Sea37.74°N, 23.54°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
27°C
79.9°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
25.1°C
77.2°F
Waves: 1m
Warm
ThuOct 1
25.4°C
77.7°F
Waves: 0.9m
Warm
FriOct 2
25.5°C
77.9°F
Waves: 0.7m
Warm
SatOct 3
25.4°C
77.7°F
Waves: 0.6m
Warm
SunOct 4
25.1°C
77.2°F
Waves: 0.7m
Warm
MonOct 5
24.8°C
76.6°F
Waves: 0.9m
Warm
TueOct 6
24.7°C
76.5°F
Waves: 1m
Warm
Forecast cooling trend: -0.4°C over 7 days at Αγία Μαρίνα.
Confidence: High

Αγία Μαρίνα Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Αγία Μαρίνα occurs inJuly, August, September — peaking at26°C (78.8°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)
16
Jan
15
Feb
15
Mar
16
Apr
19
May
23
Jun
25
Jul
26
Aug
Current
25
Sep
23
Oct
20
Nov
18
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January14°C15.6°C17.6°CVery Cold (< 16°C)
February13.9°C15.1°C16.3°CVery Cold (< 16°C)
March14.2°C15.2°C16°CVery Cold (< 16°C)
April14.7°C16.2°C18.6°CCool / Refreshing (16°C – 20°C)
May16.8°C18.8°C21.7°CCool / Refreshing (16°C – 20°C)
June20°C22.5°C26.7°CComfortable (20°C – 24°C)
July23.9°C25°C27.1°CWarm & Ideal (24°C – 28°C)
August23.8°C26°C28.1°CWarm & Ideal (24°C – 28°C)
SeptemberCurrent23.2°C25.1°C27.3°CWarm & Ideal (24°C – 28°C)
October20.6°C23.1°C25.3°CComfortable (20°C – 24°C)
November18.1°C20.3°C22.6°CComfortable (20°C – 24°C)
December15.5°C17.6°C19.8°CCool / Refreshing (16°C – 20°C)

Swimming FAQs for Αγία Μαρίνα

Is the sea warm enough to swim in Αγία Μαρίνα today?

Typical sea surface temperature in Αγία Μαρίνα this time of year is 25.1°C (77.2°F) — classified as Warm & Ideal (24°C – 28°C). Ideal swimming conditions. Feels soothing and warm, perfect for hours in the water without getting cold. Live readings load automatically.

What are the warmest months for swimming in Αγία Μαρίνα?

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

What is the typical water temperature in Αγία Μαρίνα in September?

Historically in September, water temperatures in Αγία Μαρίνα average around25.1°C (77.2°F), fluctuating between a recorded minimum of 23.2°C and a maximum of 27.3°C.

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Αγία Μαρίνα Coastal Zone Map

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