Western Australia, Australia
Savu Sea20.85°S, 116.36°EStation AU-WES-MIL

40 Mile Beach Sea Water Temperature

A tropical beach on the Savu Sea, warmest around March at about 30.1°C. Today's reading, 7-day forecast, and monthly averages below.

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

40 Mile Beach water temperature

23.4
74.1°FComfortable (20°C – 24°C)

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

+0°vs Sep avgSavu Sea20.85°S, 116.36°E
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
25°C
76.8°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
23.4°C
74.1°F
Waves: 1m
Comfortable
ThuOct 1
23.7°C
74.7°F
Waves: 0.9m
Comfortable
FriOct 2
23.8°C
74.8°F
Waves: 0.7m
Comfortable
SatOct 3
23.7°C
74.7°F
Waves: 0.6m
Comfortable
SunOct 4
23.4°C
74.1°F
Waves: 0.7m
Comfortable
MonOct 5
23.1°C
73.6°F
Waves: 0.9m
Comfortable
TueOct 6
23°C
73.4°F
Waves: 1m
Comfortable
Forecast cooling trend: -0.4°C over 7 days at 40 Mile Beach.
Confidence: High

40 Mile Beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in 40 Mile Beach occurs inJanuary, February, March, April, May, October, November, December — peaking at30.1°C (86.2°F) in March.

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

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
29
Jan
30
Feb
30
Mar
29
Apr
27
May
24
Jun
22
Jul
23
Aug
Current
23
Sep
25
Oct
27
Nov
28
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January26.3°C28.9°C31.5°CTropical Warm (> 28°C)
February27.7°C29.6°C31.8°CTropical Warm (> 28°C)
March28°C30.1°C31.5°CTropical Warm (> 28°C)
April26.7°C28.9°C30.8°CTropical Warm (> 28°C)
May23°C26.5°C28.8°CWarm & Ideal (24°C – 28°C)
June21.6°C23.5°C25.7°CComfortable (20°C – 24°C)
July20°C22.4°C24.5°CComfortable (20°C – 24°C)
August21.3°C22.6°C24.6°CComfortable (20°C – 24°C)
SeptemberCurrent21.5°C23.4°C24.9°CComfortable (20°C – 24°C)
October23°C25°C28°CWarm & Ideal (24°C – 28°C)
November24.7°C26.5°C28.3°CWarm & Ideal (24°C – 28°C)
December25.4°C27.7°C29.3°CWarm & Ideal (24°C – 28°C)

Swimming FAQs for 40 Mile Beach

Is the sea warm enough to swim in 40 Mile Beach today?

Typical sea surface temperature in 40 Mile Beach this time of year is 23.4°C (74.1°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 40 Mile Beach?

The highest water temperatures in 40 Mile Beach typically occur duringJanuary, February, March, April, May, October, November, December, when monthly averages reach peak seasonal levels.

What is the typical water temperature in 40 Mile Beach in September?

Historically in September, water temperatures in 40 Mile Beach average around23.4°C (74.1°F), fluctuating between a recorded minimum of 21.5°C and a maximum of 24.9°C.

Other Beaches in Australia

Explore all Australia stations

40 Mile Beach Coastal Zone Map

Live OpenStreetMap