Plage du Château Water Temperature & Swim Forecast
Château-de-la-Napoule small beach.
Pleasant water with a light chop and a light breeze — good swimming conditions.
Model estimate · modelled, not a buoy measurement. How accurate is this?
Location
Plage du Château on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
Shorty 2mm
At 21.7°C a 2mm shorty keeps surfers warm; lap swimmers can usually skip the neoprene.
Recommendation tuned for Plage du Château's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.
Plage du Château swimming conditions summary
- Water temperature
- 21.7°C
- Water feels
- Pleasant
- Swimmable today
- Yes — comfortable for most swimmers
- Swim conditions score
- 83/100 · Excellent
- Wetsuit needed
- Shorty 2mm
- Air temperature
- —
- Waves
- —
- Wind
- —
- UV index
- —
- Average sea temperature (September)
- 22.0 °C
- Warmest months to swim
- July, August, September
At 21.7°C a 2mm shorty keeps surfers warm; lap swimmers can usually skip the neoprene. 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 Plage du Château right now?
The sea at Plage du Château is currently 21.7°C — good 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 Plage du Château next week?
Based on long-term September averages and the latest marine model, expect the sea around Plage du Château to sit close to 19.9°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 Plage du Château?
July – August – September are typically the warmest months to swim at Plage du Château, with sea temperatures at their seasonal peak.
Do I need a wetsuit at Plage du Château?
With water currently at 21.7°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.
Can I swim at Plage du Château today?
The sea is currently 21.7°C — excellent swimming conditions. Most swimmers will find it pleasant.
- • Located in Côte d'Azur, France (Mediterranean 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 Plage du Château
The sea in Plage du Château peaks in August, when the water averages around 24°C.
The main swimming season runs from June – September, when surface temperatures stay comfortable for extended sessions.
On average, 4 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
Shoulder months like May and October are noticeably cooler but often quieter, with fewer crowds and steadier weather.
Outside peak season the water drops toward 15°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.
The coldest month is typically January at around 13°C, when cold-water swimmers dominate the coast.
Plage du Château sea temperature history
Long-term climatology for Plage du Château shows an annual mean sea temperature of 17°C, ranging from 13°C in winter to 24°C at the summer peak.
The seasonal swing is roughly 11°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 Plage du Château, 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.
Plage du Château sea temperature: frequently asked questions
What is the warmest month to swim in Plage du Château?
August is the warmest month in Plage du Château, when the sea averages about 24°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Plage du Château?
The coldest month in Plage du Château is typically January, when the water averages around 13°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Plage du Château without a wetsuit?
The main swimming season in Plage du Château runs from June – September — about 4 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 Plage du Château?
Outside peak summer the water in Plage du Château drops toward 15°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 Plage du Château?
The long-term annual mean sea temperature in Plage du Château is about 17°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Plage du Château?
The live reading at the top of this page shows the current sea temperature in Plage du Château, 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: Jun – Jul – Aug – Sep
| Month | Sea | Comfort |
|---|---|---|
| Jan | 13°C | Cold |
| Feb | 13°C | Cold |
| Mar | 13°C | Cold |
| Apr | 14°C | Bracing |
| May | 17°C | Bracing |
| Jun | 20°C | Pleasant |
| Jul | 23°C | Warm |
| Aug ⭐ | 24°C | Warm |
| Sep | 22°C | Warm |
| Oct | 19°C | Pleasant |
| Nov | 16°C | Bracing |
| Dec | 14°C | Bracing |
Nearby beaches
The closest coastline, with live water temperatures.