Weather at Sea
Night: Forecast for Baltic Sea valid 24 hours from 19:00 Aug 16 to 19:00 UTC Aug 17, 2025. Warnings: Northern Baltic, Western Gulf of Finland: northwest 18, in gusts up to 25 m/s. Wave height 2-4, at sea to 5 m. Eastern Gulf of Finland: southwest, west 13, in gusts 18 m/s. Wave height 1-3 m. Moonsund, Northern Gulf of Riga: northwest 12-15, in gusts 17-22 m/s. Wave height 1-3 m. Weather summary: Low moving over Finland to Russia and slowly filling up. Northern Baltic: northwest increasing 13-18, in gusts up to 25 m/s, in morning some decreasing, by day 9-14, in gusts 18 m/s. Wave height 3-5 m. At night in many places, by day locally showers, risk of thunder. Visibility good to moderate. Western Gulf of Finland: northwest, west 9-14, in gusts to 20 m/s, in late evening northwest increasing 13-18, in gusts up to 25 m/s, after midnight northwest, north decreasing 7-12, in gusts 15, by day 5-11 m/s. Wave height 1.5-3,5 m. At night in many places, by day locally showers, risk of thunder. Visibility good to moderate. Eastern Gulf of Finland: southwest, west 8-14, in gusts to 20 m/s, after midnight decreasing and becoming northerly 5-10, in gusts up to 15, by day 5-11 m/s. Wave height 1-3 m. At night in many places, by day locally showers, risk of thunder. Visibility good to moderate. Moonsund, Northern Gulf of Riga: northwest increasing 10-15, in gusts to 22 m/s, in morning some decreasing, by day 7-11, in gusts up to 15 m/s. Wave height 1-3 m. At night in many places, by day locally showers, risk of thunder. Visibility good to moderate. Day:

Weather at lake Peipsi
Night: Southwest, west wind 5-9, in gusts 13 m/s, in the morning veering to northwest. Wave height 0.7-1.3 m. Rain showers, locally thunder and heavy rain. Visibility good, poor in rain. Air temperature 10..13°C. Day: Northwest, north wind 5-8, in gusts 11 m/s. Wave height 0.7-1.2 m. Showers in many places, risk of thunder. Visiblity mostly good, poor in rain. Air temperature 16..18°C.

Source: Estonian weather service