← All events
exercise2026-05-18 00:00 UTC🇷🇺 Gulf of Finland and Archipelago Sea; southern coastal Finland including Virolahti–Hamina–Kotka sector
Finland conducts Narrow Waters 26-1 exercise in Gulf of Finland with UAV focus

A Telegram post reports Finland's Narrow Waters 26-1 naval/coastal exercise in the Gulf of Finland and Archipelago Sea from 18–29 May, involving about 3,000 personnel. The exercise reportedly emphasizes maritime and aerial UAV use and coastal infrastructure activities in southern Finland, with participation from Germany and a small US Marine element.
Details
Type
exercise
Occurred
2026-05-18 00:00
Reported
2026-05-24
Location
Gulf of Finland and Archipelago Sea; southern coastal Finland including Virolahti–Hamina–Kotka sector
Coordinates
60.3196, 26.8719
Confidence
72 / 100
Damage assessment
No damage reported; exercise includes live-fire coastal artillery and naval gunnery and temporary restrictions to civilian shipping in specified areas.