Algal bloom monitoring July 12, 2018: Blue-green algal blooms increased in the Gulf of Finland and in the Archipelago Sea, blooms also in abundance in lakes

Press release 2018-07-12 at 13:16
Ilmakuva sinilevaa rannikolla
Algalsituation in the eastern part of Gulf of Finland. © Photo:The Finnish Border Guard

The number of blue-green algal blooms has increased considerably, especially in south-western and southern sea areas. There are also plenty of blue-green algal blooms in lakes. If predicted heat and calm weather is attained, the amount of surface blooms can increase considerably, especially in southern and south-western sea areas.More in Finnish

Large map of the week's 28 algal situation


More information

(Telephone 1.00-3.00 pm)


Researcher Kristiina Vuorio, Finnish Environment Institute SYKE (till July 13)
Tel 0295 251 757,

Trainee, University student Henna Raitanen, Finnish Environment Institute SYKE (from July 16)
puh. 050 359 8046,

Sea areas

Cyanobacterial bloom situation

Researcher Sirpa Lehtinen, Finnish Environment Institute SYKE
Tel. 0295 251 353,

State of the Baltic Sea

Development Manager Heikki Pitkänen, Finnish Environment Institute SYKE 
Tel. 0295 251 516,


Communications Assistant Tuula Rosberg, Finnish Environment Institute SYKE (till 13.7.)
Tel. 0295 251 573,

Communication Specialist Hannele Ahponen, Finnish Environment Institute SYKE (from 19.7.)
Tel +358 50 327 5997,