Forecast for Baltic Sea valid 24 hours from 07:00 UTC Oct 19 to 07:00 UTC Oct 20, 2021.

Warnings:
Eastern Gulf of Finland: northwest in gusts 15 m/s. Wave height 1-2 m.

Weather summary: a Ridge of High is moving over Baltic Sea to east, by day from west approaching an edge of Low.

Northern Baltic: in morning wind around west 2-7 m/s, by day backing south, southeast and increasing by evening 7-12, in gusts 15, at night 9-13, in gusts 18 m/s, around midnight from western waters veering southwest and increasing 5-10, in gusts 15 m/s. Wave height at night 1.5-2.5 m. From afternoon rain. Visibility in forenoon good, from afternoon moderate or poor.
Western Gulf of Finland: in forenoon northwest, west 3-8, in afternoon turning south, southeast 5-10, in gusts 13 m/s, at night increasing 7-12, in gusts 17 m/s. Wave height at night 1.5-2.5 m. By day dry, at night rain. Visibility by day good, at night moderate or poor.
Eastern Gulf of Finland: by day west, northwest 5-10 m/s, in forenoon in gusts 15 m/s, by evening shortly decreasing, at night increasing south, southeast 7-12, towards morning in gusts 15 m/s. Wave height at night 0.7-1.5 m. In forenoon locally showers, possible sleet too, in afternoon midnight rain. Visibility moderate or good.
Northern Gulf of Riga, Moonsund: wind is turning from westerly to southerly 3-8 m/s, in afternoon southeast, south in gusts 12 m/s, at night south, southeast increasing 7-12, in gusts 17 m/s. Wave height at night in Moonsund 0.7-1.5 m, in Gulf of Riga 1.5-2.5 m. From evening rain. Visibility by day good, at night moderate.