Weather at Sea
Night: Forecast for Baltic Sea valid 24 hours from 19:00 Sep 20 to 19:00 UTC Sep 21, 2021. Warnings: Northern Baltic, Gulf of Finland: east, northeast 13, in gusts 18 m/s. Wave height 1.5-3 m. Moonsund, Northern Gulf of Riga: northeast in gusts 15 m/s. Wave height in Gulf of Riga 1-2 m, in Moonsund 0.7-1.2 m. Weather summary: High over White Sea and Ridge of High over Baltic Sea, by day weak area of High. Northern Baltic: northeast, east 5-10, at first in gusts up to 14 m/s, by day variable 2-7 m/s. Weak rain locally. Visibility good. Gulf of Finland: northeast, east 6-10, in gusts up to 13, at first 15 m/s, tomorrow evening decreasing. Weak rain locally. Visibility good. Northern Gulf of Riga, Moonsund: at night northeast 3-9, at first in gusts up to 12 m/s, by day northeast, north 3-9 m/s. Weak rain locally. Visibility good. Day:

Weather at lake Peipsi
Night: Northeast wind 3-8 m/s. Wave height 0.3-0.9 m. Some rain locally. Visibility mostly good. Air temperature 4..6°C. Day: Northeast wind 3-8 m/s. Wave height 0.3-0.9 m. Some rain locally. Visibility mostly good. Air temperature 8..10°C.

Source: Estonian weather service