North Sea shipping forecast Issued by KNMI at 19:19 UTC 300523. Gale warnings: There are no warnings. Synopsis: High, 1035, west of Scotland remains stationary. Associated ridge towards the central part of the North Sea is changing hardly. Forecast valid Tuesday 21:00 till Wednesday 09:00 UTC: Dover northeast 5-6. good. Thames northeast 5-6, decreasing 4-5. good. Humber northeast 4-5, soon decreasing 3-4. good. German Bight mainly north 3-4, increasing 4-5. good. Dogger north to northeast 3-4, in the eastern part first 4-5. good. Forecast valid Wednesday 09:00 till Wednesday 21:00 UTC: Dover no significant change. Thames northeast 4-5, increasing 5-6. good. Humber northeast 3-4, increasing 4-5. good. German Bight north to northwest 4-5, later increasing 5-6, in the southern part mainly north 3-4, increasing 4-5. good. Dogger mainly north 3-4. good.