Su Ufku

İstanbul’s dams are well over half full. Latest reading: 6 November 2026, 23 hours ago. Source: İSKİ.

61.5%. In 30 days: 64–91%, most likely 76%

The most likely level a month ahead has moved up 0.6 points since yesterday morning (76%, now 76%). Main reason: the new level reading.

There’s an 80% chance the level stays inside each range. Forecast issued on the morning of 6 November 2026, starting from the reading of 6 November 2026.

0%25%50%75%100%MeasuredForecastScenario64–77%64–91%60 days90 daysWetAverageDryrain61.5%1 Nov1 Dec1 Jan1 Feb0%25%50%75%100%MeasuredForecastScenario64–77%64–91%60 days90 daysWet87–100%Average84–100%Dry74–100%rain, 27–29 OctoberToday 61.5%1 Sept1 Oct1 Nov1 Dec1 Jan1 Feb

Su Ufku: İstanbul’s dams. Details on Su Ufku