For Jan Heweliusz Wreck :
Warning moderate gale.
The reliability of the situation is very good.
Skies changeable to very cloudy. Light showers arriving in late morning, then dying out. In the evening, cloudy spells, sometimes dense.
Possibility of showers SW wind force 7 continuing all day. Gusts reaching 51 knots in the morning. Moderate sea. Low, short swell from SSW. Excellent visibility.