FQDL71 DWHA 181700 weatherreport for German coast issued by marine weather service hamburg 18.04.2025, 1700 UTC: general synoptic situation: A low-pressure trough extending from Lapland 999 across the southern Baltic Sea 1007 to the Czech Republic 1010 slowly weakens, the low over the southern Baltic Sea moves towards the Kattegat. A low 1002 over the Norwegian Sea moves to the Lofoten Islands, weakening. A low 998 Celtic Sea moves southwestwards. A high 1030 Irmiger See moves towards Iceland with a ridge towards the Netherlands, the ridge weakens somewhat and swings westwards. forecast valid until saturday evening: coastal areas of German North Sea: east frisian coast: northwest to north 3 to 4, first locally misty. elbe estuary: northwest to north about 4, first locally misty. helgoland: northwest to north about 4, first locally misty, sea increasing 1 meter. north frisian coast: northwest to north about 4, at times misty. elbe from hamburg to cuxhaven: northwest to north about 4, decreasing about 3, at times misty. German Baltic Sea: flensburg to fehmarn: northwest 3 to 4, shifting southwest, at times shower squalls, at times misty. east of fehmarn to ruegen: northwest 3 to 4, shifting southwest, at times shower squalls, at times misty. boddengewaesser east and east of ruegen: light and variable winds, at times westerly winds 4, at times shower squalls, at times misty. Windforce in Beaufort, airpressure in Hektopascal