FQDL71 DWHA 211400 weatherreport for German coast issued by marine weather service hamburg 21.08.2025, 1400 UTC: general synoptic situation: A low 993 near the Kola Peninsula hardly changes. A secondary low 1007 over southern Sweden moves towards Latvia while deepening. A high 1024 south of Iceland moves towards the British Isles while weakening. A ridge swings from the western Baltic Sea to Austria. A high 1010 over Lithuania moves towards the Moscow area. Over night a new secondary low 1006 will develop in Skagerrak and move to the central Baltic Sea while deepening. forecast valid until friday evening: coastal areas of German North Sea: east frisian coast: north to northwest about 4, for a time locally 6, at times shower squalls. elbe estuary: north to northwest about 4, for a time locally 6, at times shower squalls. helgoland: north to northwest about 4, for a time locally 6, at times shower squalls, sea at times 2 meter. north frisian coast: north to northwest about 5, at times shower squalls. elbe from hamburg to cuxhaven: north to northwest about 3, increasing 4 to 5, at times shower squalls. German Baltic Sea: flensburg to fehmarn: northwest 4, increasing 5 to 6, later shower squalls. east of fehmarn to ruegen: west to northwest about 3, increasing 5 to 6, later shower squalls. boddengewaesser east and east of ruegen: west to northwest about 3, increasing 5 to 6, later shower squalls. Windforce in Beaufort, airpressure in Hektopascal