One Mile Beach Forster Water Temperature & Swim Forecast
Popular New South Wales beach near Forster.
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Location
One Mile Beach Forster on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
Check live temperature
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Recommendation tuned for One Mile Beach Forster's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.
One Mile Beach Forster swimming conditions summary
- Water temperature
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- Water feels
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- Swimmable today
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- Swim conditions score
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- Wetsuit needed
- Check live temperature
- Air temperature
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- Waves
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- Wind
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- UV index
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- Warmest months to swim
- January, February, March
Live water temperature is loading — refresh in a moment for a precise recommendation. Live marine data updated hourly from Open-Meteo Marine.
Frequently asked questions
Can I swim at One Mile Beach Forster right now?
Live data is loading. Use the 7-day forecast above to plan your swim — conditions above 22°C are comfortable for most swimmers.
What will the sea temperature be at One Mile Beach Forster next week?
Based on long-term August averages and the latest marine model, expect the sea around One Mile Beach Forster to sit close to 16.0°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 One Mile Beach Forster?
January – February – March are typically the warmest months to swim at One Mile Beach Forster, with sea temperatures at their seasonal peak.
Can I swim at One Mile Beach Forster today?
Live data is loading. In summer, this beach typically offers comfortable swimming conditions.
- • Located in New South Wales, Australia (Tasman Sea).
- • 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.
Best time to swim in One Mile Beach Forster
The sea in One Mile Beach Forster peaks in February, when the water averages around 23°C.
The main swimming season runs from November – April, when surface temperatures stay comfortable for extended sessions.
On average, 6 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
Shoulder months like October and May are noticeably cooler but often quieter, with fewer crowds and steadier weather.
Outside peak season the water drops toward 16°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.
The coldest month is typically July at around 16°C, when cold-water swimmers dominate the coast.
One Mile Beach Forster sits in the Southern Hemisphere, so the warmest sea coincides with the December–February summer and the coolest with July–August.
One Mile Beach Forster sea temperature history
Long-term climatology for One Mile Beach Forster shows an annual mean sea temperature of 19°C, ranging from 16°C in winter to 23°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 One Mile Beach Forster, 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.
One Mile Beach Forster sea temperature: frequently asked questions
What is the warmest month to swim in One Mile Beach Forster?
February is the warmest month in One Mile Beach Forster, when the sea averages about 23°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in One Mile Beach Forster?
The coldest month in One Mile Beach Forster is typically July, when the water averages around 16°C. Cold-water swimmers and surfers dominate this period.
When can you swim in One Mile Beach Forster without a wetsuit?
The main swimming season in One Mile Beach Forster runs from November – April — about 6 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 One Mile Beach Forster?
Outside peak summer the water in One Mile Beach Forster drops toward 16°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 One Mile Beach Forster?
The long-term annual mean sea temperature in One Mile Beach Forster is about 19°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in One Mile Beach Forster?
The live reading at the top of this page shows the current sea temperature in One Mile Beach Forster, 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 – Nov – Dec
| Month | Sea | Comfort |
|---|---|---|
| Jan | 22°C | Warm |
| Feb ⭐ | 23°C | Warm |
| Mar | 22°C | Warm |
| Apr | 20°C | Pleasant |
| May | 18°C | Pleasant |
| Jun | 17°C | Bracing |
| Jul | 16°C | Bracing |
| Aug | 16°C | Bracing |
| Sep | 17°C | Bracing |
| Oct | 19°C | Pleasant |
| Nov | 20°C | Pleasant |
| Dec | 22°C | Warm |
Nearby beaches
The closest coastline, with live water temperatures.