21.2.2017

Weather forecast for shipping 211700 UTC

Warnings:

Sea of Bothnia:

South gale in the afternoon 19 m/s.

Northern Baltic, Sea of Åland and Sea of Archipelago:

South gale in the afternoon 17 m/s.

Wave height warning:

Very rough waves occur in Sea of Bothnia in the afternoon. Significant wave height exceeds 4 meters.

Inference:

Minor low south of Lake Ladoga moving east. Deep low arriving over central Sweden and central Norway daytime.

Forecast for next 24 hours:

Gulf of Finland:

North wind 5-9 m/s. At night decreasing, after midnight variable 2-5. Before noon increasing south, in the afternoon 8-13. Good vis.

Northern Baltic, Sea of Åland and Sea of Archipelago:

Decreasing north, at midnight temporarily variable 1-4 m/s. After midnight becoming south and increasing, daytime 12-17. Daytime snowfall from west.

Sea of Bothnia:

Decreasing north, before midnight variable 1-4 m/s. At midnight becoming south and increasing, before noon 8-13, in the afternoon 15-19. Daytime snowfall from west.

Quark and Bay of Bothnia:

West to northwest 2-6 m/s. During night backing slowly to south and increasing, before noon 8-13. Daytime snowfall from west.

Lake Saimaa:

Decreasing north to northwest, at night variable 0-3 m/s. In the morning increasing south, by day 3-6. Local some snow.