Australia
Queensland · Coral Sea

Deadmans Beach Straddie Water Temperature & Swim Forecast

Small Straddie surf cove.

Pleasant water with a light chop and a light breeze — great swimming conditions.

Sea temperature now
23.6°Cwarm
Excellent
Source: Open-Meteo Marine

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

Air temperature
—
Wave height
—
Wind
—
UV index
—

Location

Deadmans Beach Straddie 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

Rash vest or swimsuit

At 23.6°C most swimmers and surfers are comfortable in a swimsuit or thin rash top.

Surf & watersports
Warm summer-Mediterranean range. A UV-rated rash vest adds sun protection without restricting your stroke. Children and slim swimmers may prefer a thin 1.5mm shorty for sessions over 45 minutes.
Open-water swimming
Comfortable for unlimited swim duration; rash vest cuts UV and chafing.

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

Deadmans Beach Straddie swimming conditions summary

Water temperature
23.6°C
Water feels
Pleasant
Swimmable today
Yes — comfortable for most swimmers
Swim conditions score
88/100 · Excellent
Wetsuit needed
Rash vest or swimsuit
Air temperature
—
Waves
—
Wind
—
UV index
—
Average sea temperature (September)
23.0 °C
Warmest months to swim
January, February, March

At 23.6°C most swimmers and surfers are comfortable in a swimsuit or thin rash top. 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 Deadmans Beach Straddie right now?

The sea at Deadmans Beach Straddie is currently 23.6°C — great 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 Deadmans Beach Straddie next week?

Based on long-term September averages and the latest marine model, expect the sea around Deadmans Beach Straddie to sit close to 24.4°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 Deadmans Beach Straddie?

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

Do I need a wetsuit at Deadmans Beach Straddie?

With water currently at 23.6°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 Deadmans Beach Straddie today?

The sea is currently 23.6°C — excellent swimming conditions. Most swimmers will find it pleasant.

Key takeaways
  • • Located in Queensland, Australia (Coral Sea).
  • • Best suited to confident swimmers and watersports.
  • • Live data refreshed hourly from Open-Meteo Marine.

Monthly sea temperature averages

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

Best time to swim in Deadmans Beach Straddie

The sea in Deadmans Beach Straddie peaks in February, when the water averages around 28°C.

The main swimming season runs from January – December, when surface temperatures stay comfortable for extended sessions.

On average, 12 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

The coldest month is typically July at around 22°C, when cold-water swimmers dominate the coast.

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

Deadmans Beach Straddie sea temperature history

Long-term climatology for Deadmans Beach Straddie shows an annual mean sea temperature of 25°C, ranging from 22°C in winter to 28°C at the summer peak.

The seasonal swing is roughly 6°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 Deadmans Beach Straddie, 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
27°C
Feb
28°C
Mar
27°C
Apr
26°C
May
24°C
Jun
23°C
Jul
22°C
Aug
22°C
Sep
23°C
Oct
25°C
Nov
26°C
Dec
27°C

Deadmans Beach Straddie sea temperature: frequently asked questions

What is the warmest month to swim in Deadmans Beach Straddie?

February is the warmest month in Deadmans Beach Straddie, when the sea averages about 28°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Deadmans Beach Straddie?

The coldest month in Deadmans Beach Straddie is typically July, when the water averages around 22°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Deadmans Beach Straddie without a wetsuit?

The main swimming season in Deadmans Beach Straddie runs from January – December — about 12 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.

Do I need a wetsuit in Deadmans Beach Straddie?

Deadmans Beach Straddie stays warm year-round, so most swimmers never need a wetsuit — a rash guard is usually enough for sun and wildlife protection.

What is the average sea temperature in Deadmans Beach Straddie?

The long-term annual mean sea temperature in Deadmans Beach Straddie is about 25°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Deadmans Beach Straddie?

The live reading at the top of this page shows the current sea temperature in Deadmans Beach Straddie, 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

Best swim months: Jan – Feb – Mar – Apr – May – Jun – Jul – Aug – Sep – Oct – Nov – Dec

MonthSeaComfort
Jan27°CHot
Feb ⭐28°CHot
Mar27°CHot
Apr26°CHot
May24°CWarm
Jun23°CWarm
Jul22°CWarm
Aug22°CWarm
Sep23°CWarm
Oct25°CWarm
Nov26°CHot
Dec27°CHot

Nearby beaches

The closest coastline, with live water temperatures.