What is baltic sea day?
The goal of Baltic Sea Day is to enjoy our unique sea and to take concrete actions for its benefit. The day’s purpose is to increase knowledge of the sea’s diverse nature, culture, and history.
WHAT IS THE IDEA?
Baltic Sea Day is an annual day of celebration in honour of the sea. The objective of the day is to encourage people to enjoy the unique sea, and to take concrete actions that benefit it. The purpose is also to provide information on the versatile nature, culture, and history of the sea.
HOW TO TAKE PART?
You can join in by celebrating or taking action to protect the sea – whether on your own, with friends, within your community, or by organizing an event to engage the wider public.
WHO CAN join in?
Baltic Sea Day is for everyone, around the sea and beyond. We simply ask participants to uphold the values of Baltic Sea Day.
The day can be celebrated at schools, libraries, companies, friend groups, cities, sport clubs – you name it.
WHY SHOULD YOU TAKE PART?
Baltic Sea Day reminds us of why the sea and its well-being matters. The day offers a platform to learn and speak about the sea, join forces with others, and celebrate the sea’s wonders. Many small waves can create a big momentum.
baltic sea days in the past
The first Baltic Sea Day was organised in 2019. From the start, dozens of actors took part.
BALTIC SEA DAY 2025
160 events were officially registered through Baltic Sea Day website. The day was celebrated in eight countries, with biggest events taking place in Finland, Estonia and Sweden.
Baltic Sea Day in previous years
Release year 2019
We launched Itämeripäivä in 2019 and planned the day’s programming together with dozens of cultural and environmental organizations. It was important to us that Itämeripäivä be a shared celebration from the start.
Baltic Sea Day 2020
The first full Baltic Sea Day took place in 2020 — in full swing despite the coronavirus restrictions! In Finland, over 100 events were organized across 15 different locations. Events were also held on a smaller scale in five other Baltic Sea coastal countries.
Baltic Sea Day 2021-2025
The Baltic Sea Day network and celebrations continued to grow. Each year 130–180 events have been organized across Finland, the number of participating municipalities has risen to as many as 40, and 8 countries have already joined. Baltic Sea topics have achieved excellent visibility in the media and on social media – #balticseaday was repeatedly Finland’s most tweeted hashtag, and Baltic Sea topics even made it into national main news broadcasts.
Baltic Sea Day 2026
Baltic Sea Day was celebrated with well over 100 events around the Baltic Sea. Events and activities were organised in Finland, Sweden, Estonia, Poland, Germany, Latvia and Lithuania. Even the Crown Princess Victoria of Sweden took part in the Baltic Sea Day!
Baltic Sea Day was widely visible in traditional and social media. Throughout August, Baltic Sea Day was mentioned a total of 473 times: 221 times in traditional media and 252 times in social media.
News coverage on Baltic Sea topics also increased noticeably in August and especially around Baltic Sea Day. The media covered, among other things, preparedness for oil spills, the different sources of pollution affecting the Baltic Sea, environmental legislation and marine nature. Several politicians also publicly spoke out about the state and protection of the Baltic Sea.
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