New South Wales, Australia
Coral Sea28.17°S, 153.54°EStation AU-NEW-GRE

Greenmount Beach Sea Water Temperature

A subtropical beach on the Coral Sea, warmest around February at about 26.6°C. Today's reading, 7-day forecast, and monthly averages below.

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

Greenmount Beach water temperature

21.4
70.5°FComfortable (20°C – 24°C)

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

+0°vs Sep avgCoral Sea28.17°S, 153.54°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
23°C
73.2°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
21.4°C
70.5°F
Waves: 1m
Comfortable
ThuOct 1
21.7°C
71.1°F
Waves: 0.9m
Comfortable
FriOct 2
21.8°C
71.2°F
Waves: 0.7m
Comfortable
SatOct 3
21.7°C
71.1°F
Waves: 0.6m
Comfortable
SunOct 4
21.4°C
70.5°F
Waves: 0.7m
Comfortable
MonOct 5
21.1°C
70°F
Waves: 0.9m
Comfortable
TueOct 6
21°C
69.8°F
Waves: 1m
Comfortable
Forecast cooling trend: -0.4°C over 7 days at Greenmount Beach.
Confidence: High

Greenmount Beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Greenmount Beach occurs inJanuary, February, March, April, December — peaking at26.6°C (79.9°F) in February.

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

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
26
Jan
27
Feb
26
Mar
26
Apr
24
May
23
Jun
21
Jul
21
Aug
Current
21
Sep
23
Oct
24
Nov
25
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January23.8°C25.9°C27.2°CWarm & Ideal (24°C – 28°C)
February25.4°C26.6°C28°CWarm & Ideal (24°C – 28°C)
March24.7°C26.4°C27.5°CWarm & Ideal (24°C – 28°C)
April23.8°C25.5°C26.8°CWarm & Ideal (24°C – 28°C)
May22.7°C23.9°C25.2°CComfortable (20°C – 24°C)
June20.8°C22.5°C23.7°CComfortable (20°C – 24°C)
July19.5°C21.3°C22.3°CComfortable (20°C – 24°C)
August20.2°C21.1°C22.5°CComfortable (20°C – 24°C)
SeptemberCurrent20.3°C21.4°C22.7°CComfortable (20°C – 24°C)
October21°C22.6°C23.6°CComfortable (20°C – 24°C)
November22°C23.8°C25°CComfortable (20°C – 24°C)
December23.8°C24.9°C26.6°CWarm & Ideal (24°C – 28°C)

Swimming FAQs for Greenmount Beach

Is the sea warm enough to swim in Greenmount Beach today?

Typical sea surface temperature in Greenmount Beach this time of year is 21.4°C (70.5°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 Greenmount Beach?

The highest water temperatures in Greenmount Beach typically occur duringJanuary, February, March, April, December, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Greenmount Beach in September?

Historically in September, water temperatures in Greenmount Beach average around21.4°C (70.5°F), fluctuating between a recorded minimum of 20.3°C and a maximum of 22.7°C.

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Greenmount Beach Coastal Zone Map

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