Australia
Victoria · Bass Strait

Kennett River Beach Water Temperature & Swim Forecast

Small Great-Ocean-Road beach.

Cool water with a light chop and a light breeze — tough conditions for unprotected swimming.

Sea temperature now
12.4°Ccool
Fair
Source: Open-Meteo Marine

Model estimate · modelled, not a buoy measurement. How accurate is this?

Air temperature
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Wave height
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Wind
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UV index
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Location

Kennett River Beach on the map, with nearby beaches and live sea temperatures.

7-day forecast

Water, air, waves, wind and UV outlook for the week ahead.

Wetsuit recommendation

5/4mm fullsuit + boots & gloves

At 12.4°C you need a 5/4mm fullsuit with boots, gloves and ideally a hood.

  • + 5mm boots
  • + 3mm gloves
  • + Hood for extended sessions
Surf & watersports
Cold — winter conditions across most of northern Europe and North America. A 5/4mm hooded suit, 5mm boots and 3mm gloves are essential to avoid hypothermia and ice-cream headaches. Limit sessions to 45–60 minutes and warm up immediately after exiting.
Open-water swimming
Cold-water swim experience required; keep dips under 15 minutes.

Recommendation tuned for Kennett River Beach's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

Kennett River Beach swimming conditions summary

Water temperature
12.4°C
Water feels
Bracing
Swimmable today
Only with thermal protection
Swim conditions score
47/100 · Fair
Wetsuit needed
5/4mm fullsuit + boots & gloves
Air temperature
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Waves
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Wind
—
UV index
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Average sea temperature (September)
13.0 °C
Warmest months to swim
January, February, March

At 12.4°C you need a 5/4mm fullsuit with boots, gloves and ideally a hood. Model estimate. Water, wave, wind and UV values are Open-Meteo marine/weather model estimates, refreshed hourly — not buoy measurements.

Frequently asked questions

Can I swim at Kennett River Beach right now?

The sea at Kennett River Beach is currently 12.4°C — cold swimming conditions. Most swimmers will find the water comfortable when it's above 22°C; below 18°C feels fresh and a wetsuit is recommended.

What will the sea temperature be at Kennett River Beach next week?

Based on long-term September averages and the latest marine model, expect the sea around Kennett River Beach to sit close to 13.7°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.

When is the best month to swim at Kennett River Beach?

January – February – March are typically the warmest months to swim at Kennett River Beach, with sea temperatures at their seasonal peak.

Do I need a wetsuit at Kennett River Beach?

With water currently at 12.4°C: above 22°C no wetsuit needed; 18–22°C a shorty is comfortable for long swims; 14–18°C a 3/2mm full suit; below 14°C a 4/3mm or thicker.

Quick answer

Can I swim at Kennett River Beach today?

The sea is currently 12.4°C — fair swimming conditions. Acclimatised swimmers will be most comfortable.

Key takeaways
  • • Located in Victoria, Australia (Bass Strait).
  • • Family friendly with calm, accessible water.
  • • Live data refreshed hourly from Open-Meteo Marine.

Monthly sea temperature averages

Tap any month to see what to expect — based on regional climatology.

12°C → 19°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Kennett River Beach

The sea in Kennett River Beach peaks in January, when the water averages around 19°C.

On average, 0 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

Outside peak season the water drops toward 12°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.

The coldest month is typically July at around 12°C, when cold-water swimmers dominate the coast.

Kennett River Beach sits in the Southern Hemisphere, so the warmest sea coincides with the December–February summer and the coolest with July–August.

Kennett River Beach sea temperature history

Long-term climatology for Kennett River Beach shows an annual mean sea temperature of 16°C, ranging from 12°C in winter to 19°C at the summer peak.

The seasonal swing is roughly 7°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.

Recent decades have trended slightly warmer at Kennett River Beach, in line with regional sea-surface temperature records for the wider basin.

Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.

Jan
19°C
Feb
19°C
Mar
18°C
Apr
17°C
May
15°C
Jun
13°C
Jul
12°C
Aug
12°C
Sep
13°C
Oct
14°C
Nov
16°C
Dec
18°C

Kennett River Beach sea temperature: frequently asked questions

What is the warmest month to swim in Kennett River Beach?

January is the warmest month in Kennett River Beach, when the sea averages about 19°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Kennett River Beach?

The coldest month in Kennett River Beach is typically July, when the water averages around 12°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Kennett River Beach without a wetsuit?

The sea in Kennett River Beach rarely climbs above 20°C, so a wetsuit is recommended year-round for anything longer than a quick dip.

Do I need a wetsuit in Kennett River Beach?

Outside peak summer the water in Kennett River Beach drops toward 12°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.

What is the average sea temperature in Kennett River Beach?

The long-term annual mean sea temperature in Kennett River Beach is about 16°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Kennett River Beach?

The live reading at the top of this page shows the current sea temperature in Kennett River Beach, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.

Year-round sea temperature

MonthSeaComfort
Jan ⭐19°CPleasant
Feb19°CPleasant
Mar18°CPleasant
Apr17°CBracing
May15°CBracing
Jun13°CCold
Jul12°CCold
Aug12°CCold
Sep13°CCold
Oct14°CBracing
Nov16°CBracing
Dec18°CPleasant

Nearby beaches

The closest coastline, with live water temperatures.