20.8.2018

Weather forecast for shipping 200500 UTC

Strong wind advisory:

Gulf of Finland, Northern Baltic, Sea of Åland, Sea of Archipelago and Sea of Bothnia:

North to northwest wind 12 m/s.

Bay of Bothnia:

West to southwest wind 12 m/s.

Inference:

Extensive low over Arctic Ocean. Another low moving over Northern Baltic and Estonia eastwards and deepening.

Forecast for next 24 hours:

Eastern Gulf of Finland:

Becoming mainly south, at first 1-5, by day 4-8 m/s. In the afternoon backing to mainly east. At night backing furthermore to mainly north and increasing, after midnight 7-12. By day rain or showers, at night thunder possible.

Western Gulf of Finland:

Becoming mainly south 2-6 m/s, in the afternoon becoming variable. Later in the evening becoming northwest and increasing, at night 7-12. From west rain or showers, at night thunder possible.

Northern Baltic, Sea of Åland and Sea of Archipelago:

Variable 1-5 m/s. In the afternoon increasing north to northwest, from the evening 8-12. rain or showers, from the evening better vis.

Sea of Bothnia:

Becoming north to northwest 6-10, later in the afternoon 8-12 m/s. Good vis, showers possible.

Quark and Bay of Bothnia:

West to southwest 6-10, at first on Bay of Bothnia up to 12 m/s. In the evening veering to northwest and temporally decreasing, at night again 6-10. Good vis, showers possible.

Lake Saimaa:

Mainly southwest 3-6 m/s. Later in the afternoon becoming variable 1-5 m/s. At night increasing and becoming mainly north, after midnight 4-8. Good vis, from noon local showers.

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