According to the statement made by Meteorology, local heavy rainfall is expected in Kırklareli, Tekirdağ, Istanbul and Kocaeli.
Meteorology warned against negativities by announcing that heavy showers were expected in Kırklareli and Tekirdağ from the night hours, and in Istanbul and Kocaeli from the morning hours.
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Meteorology 1st Regional Directorate Istanbul Regional Forecast and Early Warning Center warned the people of the region against possible adverse weather conditions.
According to the statement made by the Istanbul Regional Forecast and Early Warning Center of the 1st Regional Directorate of Meteorology, local heavy showers and thunderstorms are expected in the east of Kırklareli and north of Tekirdağ from the night hours, and in the west of Istanbul and Kocaeli from the morning hours.
It is necessary to be careful and cautious against negativities such as floods, floods, lightning, strong winds and transportation disruptions that may occur due to rain.
AI outlook — possibilities, not facts
Floods and floods may occur due to heavy rainfall.
Likely · Within hours
Meteorology and AKOM announced that heavy showers, thunderstorms and storms were expected in Istanbul, Kırklareli, Tekirdağ and Kocaeli and warned against floods and transportation disruptions.

Meteorology has issued a storm warning for the Western Black Sea and Marmara seas as of noon tomorrow. The wind is expected to blow at strength 6 to 8.
Kocaeli Provincial Directorate of the Ministry of Environment, Urbanization and Climate Change imposed an administrative fine of 1 million 678 thousand liras and filed a criminal complaint against the metro construction company that caused sea pollution and foaming after the rain on the Izmit Sekapark coast.

It was determined that the foaming in the sea after the rain on the Sekapark beach in Kocaeli's Izmit district was caused by chemicals at the metro construction site, and the responsible company was given an administrative penalty of 1 million 678 thousand TL and a criminal complaint was filed.

It was determined that the foaming seen in the sea in Izmit Sekapark was caused by the chemical substance at the metro construction site; The company was fined 1 million 678 thousand TL.

According to the data announced by İSKİ, the general average occupancy rate of dams in Istanbul was measured as 38.42 percent on October 1, 2026. It showed a slight increase from 38.32 percent in mid-September. The highest occupancy was recorded as 54.42% in Darlık dam, and the lowest was 2.93% in Papuçdere.