Alaçatı Water Temperature & Swim Forecast
Top European windsurfing bay.
Warm water with a light chop and a light breeze — great swimming conditions.
Model estimate · modelled, not a buoy measurement. How accurate is this?
Location
Alaçatı on the map, with nearby beaches and live sea temperatures.
7-day forecast
Water, air, waves, wind and UV outlook for the week ahead.
No wetsuit
At 26.7°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.
Recommendation tuned for Alaçatı's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.
Alaçatı swimming conditions summary
- Water temperature
- 26.7°C
- Water feels
- Warm
- Swimmable today
- Yes — comfortable for most swimmers
- Swim conditions score
- 87/100 · Excellent
- Wetsuit needed
- No wetsuit
- Air temperature
- —
- Waves
- —
- Wind
- —
- UV index
- —
- Average sea temperature (September)
- 26.0 °C
- Warmest months to swim
- July, August, September
At 26.7°C the water is warm enough to swim and surf in just a swimsuit or boardshorts. 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 Alaçatı right now?
The sea at Alaçatı is currently 26.7°C — excellent 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 Alaçatı next week?
Based on long-term September averages and the latest marine model, expect the sea around Alaçatı to sit close to 23.9°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 Alaçatı?
July – August – September are typically the warmest months to swim at Alaçatı, with sea temperatures at their seasonal peak.
Do I need a wetsuit at Alaçatı?
With water currently at 26.7°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 Alaçatı today?
The sea is currently 26.7°C — excellent swimming conditions. Most swimmers will find it pleasant.
- • Located in Aegean Turkey, Turkey (Aegean 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 Alaçatı
The sea in Alaçatı peaks in August, when the water averages around 27°C.
The main swimming season runs from May – November, when surface temperatures stay comfortable for extended sessions.
On average, 7 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
Shoulder months like April and December are noticeably cooler but often quieter, with fewer crowds and steadier weather.
Outside peak season the water drops toward 18°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.
The coldest month is typically January at around 16°C, when cold-water swimmers dominate the coast.
Alaçatı sea temperature history
Long-term climatology for Alaçatı shows an annual mean sea temperature of 21°C, ranging from 16°C in winter to 27°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 Alaçatı, 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.
Alaçatı sea temperature: frequently asked questions
What is the warmest month to swim in Alaçatı?
August is the warmest month in Alaçatı, when the sea averages about 27°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Alaçatı?
The coldest month in Alaçatı is typically January, when the water averages around 16°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Alaçatı without a wetsuit?
The main swimming season in Alaçatı runs from May – November — about 7 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 Alaçatı?
Outside peak summer the water in Alaçatı drops toward 18°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 Alaçatı?
The long-term annual mean sea temperature in Alaçatı is about 21°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Alaçatı?
The live reading at the top of this page shows the current sea temperature in Alaçatı, 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: May – Jun – Jul – Aug – Sep – Oct – Nov
| Month | Sea | Comfort |
|---|---|---|
| Jan | 16°C | Bracing |
| Feb | 16°C | Bracing |
| Mar | 16°C | Bracing |
| Apr | 17°C | Bracing |
| May | 20°C | Pleasant |
| Jun | 24°C | Warm |
| Jul | 26°C | Hot |
| Aug ⭐ | 27°C | Hot |
| Sep | 26°C | Hot |
| Oct | 23°C | Warm |
| Nov | 20°C | Pleasant |
| Dec | 18°C | Pleasant |
Nearby beaches
The closest coastline, with live water temperatures.