Umi no Hi (Marine Day) celebrations

Date: 20 July 2026

Location: Japanese coast, Multiple ports, Japan

Organizer: Japan government

Japan's national 'Marine Day' public holiday, observed on the third Monday of July, expressing gratitude to the ocean and praying for the prosperity of Japan as a maritime nation. Celebrated nationwide with port festivals, beach activities, aquarium events and family outings to the coast.

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