Cyanobacteria information from the Gulf of Finland
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Utö station data
Silja Serenade data
Water temperature and salinity
Water temperature profile (Pt-100)
Chlorophyll and other phytoplankton pigments
Chlorophyll and other phytoplankton pigment fluorescences, hourly median values given.
All data provided in these pages are © Finnish Meteorological Institute (FMI) and/or Finnish Environment Institute (SYKE). The data are updated automatically, with no quality checks necessarily applied, and may contain errors. Time information is given in Finnish local time (currently EET = UTC+2h). For more information, see the