FQDL70 DWHA 151700 weather and sea bulletin for north- and baltic sea issued by marine weather service hamburg 15.09.2025, 17 UTC: until tuesday evening in the following forecast areas gales are expected: german bight southwestern north sea fisher dogger forties kattegat belts and sound western baltic southern baltic southeastern baltic english channel eastern part until tuesday evening in the following forecast areas strong winds are expected: ijsselmeer viking utsire skagerrak central baltic northern baltic gulf of riga english channel western part general synoptic situation: An extensive high 1028 east of the Moscow area weakens slightly. A deep low 983 east of Scotland moves towards southern Sweden, weakening. A secondary low 999 central Sweden moves towards the Lofoten Islands, deepening. Associated fronts and troughs influence the North and Baltic Seas. A ridge of the Azores High 1030 extends towards the Alps. An independent high 1026 forms over France by Tuesday evening. forecast valid until tuesday evening: english channel western part : westerly winds about 6, decreasing slowly 4 to 5, shower- and thundery gusts, sea 5, later 3 meter. english channel eastern part : west 7 to 8, decreasing slowly about 5, shower- and thundery gusts, first severe gale force gusts, sea 5, later 2 meter. ijsselmeer : southwest 7, decreasing slowly 4 to 5, shifting west later, shower- and thundery gusts, locally severe gale force gusts, sea 1 to 2 meter. german bight : southwest 7 to 8, shifting west to northwest, decreasing slowly about 6, severe shower- and thundery gusts, locally near hurricane force gusts, sea 4 to 6 meter. southwestern north sea : southwest 7 to 8, shifting west to northwest, decreasing slowly about 6, severe shower- and thundery gusts, locally near hurricane force gusts, sea 4 to 6 meter. fisher : southeast 5 to 6, shifting west to northwest, increasing about 7, northern part for a time abating, severe shower- and thundery gusts, sea 2 to 4 meter. dogger : southwest about 7, shifting west to northwest, decreasing slowly 5 to 6, severe shower- and thundery gusts, locally near hurricane force gusts, sea 4 to 6 meter. forties : northern part first variable directions 5 to 7, otherwise southwest about 5, shifting northwest about 7, severe shower- and thundery gusts, sea 2 to 4 meter. viking : northeast about 6, shifting northwest, decreasing about 5, severe shower- and thundery gusts, sea 2 to 4 meter. utsire : variable directions 3 to 5, shifting northwest about 5, southern part locally 7, at times severe shower- and thundery gusts, sea 3 meter. skagerrak : southwest about 5, northern part for a time abating, shifting west later and increasing 6 to 7, shower- and thundery gusts, sea increasing 3 meter. kattegat : southwest about 6, shifting west later and increasing about 7, shower- and thundery gusts, sea increasing 3 meter. belts and sound : southwest 5 to 6, for a time increasing about 7, shifting west later, shower- and thundery gusts, for a time severe gale force gusts, sea 1 to 3 meter. western baltic : southwest 5 to 6, for a time increasing about 7, shifting west later, shower- and thundery gusts, for a time severe gale force gusts, sea 1 to 3 meter. southern baltic : southwest to south 5 to 6, increasing about 7, shifting west later, shower- and thundery gusts, for a time severe gale force gusts, sea increasing 3 to 5 meter. southeastern baltic : south 5 to 6, shifting southwest, increasing slowly about 7, shower- and thundery gusts, later severe gale force gusts, sea increasing 3 to 5 meter. central baltic : south 6 to 7, shifting southwest, for a time decreasing 5, shower- and thundery gusts, sea increasing 3 to 4 meter. northern baltic : southerly winds 6 to 7, for a time decreasing 5, shower- and thundery gusts, sea 1 to 3 meter. gulf of riga : southerly winds 4 to 5, at times increasing 6, shower- and thundery gusts, sea 1,5 meter. outlook valid until wednesday evening: english channel western part : west to southwest 4 to 5, northern part increasing 6. english channel eastern part : west 5 to 6, for a time decreasing 4, shifting southwest. ijsselmeer : west 4 to 5, shifting southwest, later increasing 6. german bight: west to northwest about 6, for a time decreasing about 5, shifting southwest later. southwestern north sea : west to northwest about 6, shifting southwest, for a time decreasing 4 to 5. fisher : west to northwest about 7, decreasing slowly 4 to 5, shifting southwest later. dogger : west to northwest 5 to 6, shifting southwest, northwestern part for a time decreasing 4. forties : northwest 6 to 7, decreasing about 5, northern part for a time abating, shifting south, shifting southwest later. viking : northwest about 5, veering slowly at southeast and decreasing about 4. utsire : northwesterly winds about 5, northern part abating slowly, southern part shifting slowly south and decreasing 3 to 4. skagerrak : west about 6, northern part for a time decreasing 3 to 4, shifting southwest later. kattegat : west 6 to 7, later decreasing 5. belts and sound : west about 6, shifting southwest later and decreasing about 5. western baltic : west about 6, shifting southwest later and decreasing about 5. southern baltic : southwest to west 7, decreasing slowly 6. southeastern baltic : southwest about 7, shifting west, decreasing slowly 5 to 6. central baltic : southwesterly winds 6 to 7, later decreasing about 5. northern baltic : south about 6, shifting southwest to west, later decreasing 4 to 5. gulf of riga : south about 6, shifting southwest, later decreasing 4 to 5. Wind forecasts in 10m height, windforce in Beaufort, airpressure in Hectopascal =