For Kostersten :
No gale warning.
The reliability of the situation is good.
Predominantly sunny in the morning, increasing sunny spells in the afternoon. No precipitation. In the evening, clear spells, risk of mist forming.
Risk of showers in the early hours. SW force 4 in the morning weakening SE force 2 in the evening. Gusts reaching 31 knots in the morning. Moderate sea. Low, fairly long swell from SSW. Excellent visibility becoming reduced by fog in the evening.