Logically following the previous #Russia declaration and #Ukraine response, the latter has just published a Coastal Warning notice 118/23 at https://hydro.gov.ua/?page_id=144 (look for Coastal Warning 118 War risk area until further notice.doc, the documents are unsorted) for #Russia Black Sea ports:
041450 UTC AUG 23
UKRAINE COASTAL WARNING 118/23 ODESA-NAVTEX
BLACK SEA
NORTH-EASTERN PART
WAR RISK AREA
WATER AREA OF THE INTERNAL AND EXTERNAL ROADSTEADS OF THE PORTS OF ANAPA, NOVOROSSIISK, GELENDZHYK, TUAPSE, SOCHI, TAMAN
FROM 041200 UTC AUG 23
UNTIL FURTHER NOTICE

