Weather at Sea
Night: Forecast for Baltic Sea valid 24 hours from 07:00 UTC Dec 15 to 07:00 UTC Dec 16, 2025. Warnings: Northern Baltic: southwest 13, in gusts 18 m/s. Wave height 1.5-3 m. Western Gulf of Finland: southwest, west in gusts 15 m/s. Wave height 1-2 m. Northern Gulf of Riga: southwest in gusts 15 m/s. Wave height 1-2 m. Weather summary: southeast Edge of Low is reaching to Baltic Sea, in evening northern Edge of High is increasing. Northern Baltic: southwest 6-12, in gusts 16 m/s, at noon increasing 8-13, in gusts 18 m/s, in evening southwest, west 6-12, in gusts up to 16 m/s. Wave height 1.5-3 m. At times light rain. Visibility mostly good. Western Gulf of Finland: southwest, south 4-10, in afternoon increasing southwest, in eveing also west in gusts 15 m/s. Wave height 1-2 m. By day in many places, at night locally rain. By day locally fog, visibility poor or moderate, at night moderate to good. Eastern Gulf of Finland: variable 2-7, in afternoon southerly, at night southwest 4-10, in gusts 13 m/s. Rain in many places. By day in many places, at night locally rain. By day locally fog, visibility poor or moderate, at night moderate to good. Moonsund, Northern Gulf of Riga: southwest 4-10, in afternoon in gusts up to 15 m/s. Wave height 1-2 m. In forenoon rain in many places, from afternoon light rain locally. In morning locally fog, othervise visibility moderate to good. Day:

Weather at lake Peipsi
Night: Southerly wind 3-9, at first in gusts 11 m/s, in morning veering around west. Wave height 0.3-0.9 m. Sleet, rain and freezing rain, before midnight also snow, by morning reducing, but occurs fog. Visibility poor. Air temperature -1..-3°C. Day: Southwest wind 2-7, in evening in gusts 10 m/s. Wave height 0.3-0.8 m. At times light rain, remains fog, in evening becoming rain more intensive. Visibility mainly poor. Air temperature 2..3 °C.

Source: Estonian weather service