FQNT21 EGRR 170800

SECURITE



HIGH SEAS BULLETIN FOR METAREA 1

ISSUED AT 0800 UTC ON WEDNESDAY 17 SEPTEMBER 2025

BY THE MET OFFICE, EXETER, UNITED KINGDOM

FOR THE PERIOD 0800 UTC ON WEDNESDAY 17 SEPTEMBER UNTIL 0800 UTC ON THURSDAY 18 SEPTEMBER 2025



STORM WARNING

AT 170000UTC LOW 54 NORTH 21 WEST 975 EXPECTED 59 NORTH 11 WEST 981 BY 180000UTC. WINDS WILL REACH STORM FORCE 10 BETWEEN 70 TO 150 MILES OF THE CENTRE IN THE SOUTHERN SEMICIRCLE UNTIL 171800UTC



GENERAL SYNOPSIS

AT 170000UTC LOW 54 NORTH 21 WEST 975 EXPECTED 59 NORTH 11 WEST 981 BY 180000UTC. LOW 48 NORTH 32 WEST 1006 EXPECTED 53 NORTH 22 WEST 1001 BY SAME TIME. LOW 68 NORTH 13 WEST 993 EXPECTED 71 NORTH 15 EAST WITH LITTLE CHANGE BY THAT TIME. AT 170000UTC, LOW 55 NORTH 38 WEST 1004 MOVING SLOWLY SOUTHEASTWARDS LOSING ITS IDENTITY BY 180000UTC. HIGH 70 NORTH 27 WEST 1031 EXPECTED 64 NORTH 44 WEST WITH LITTLE CHANGE BY SAME TIME. NEW HIGH EXPECTED 46 NORTH 03 WEST 1024 BY THAT TIME. AT 170000UTC, HIGH 39 NORTH 16 WEST 1025 SLOW-MOVING DISSIPATING





AREA FORECASTS FOR THE NEXT 24 HOURS



SOLE

SOUTHWESTERLY 5 TO 7, OCCASIONALLY GALE 8 AT FIRST. ROUGH OR VERY ROUGH. OCCASIONAL RAIN OR DRIZZLE. MODERATE OR GOOD, OCCASIONALLY POOR



SHANNON

SOUTHWEST 7 TO SEVERE GALE 9, DECREASING 4 TO 6. VERY ROUGH OR HIGH, BECOMING ROUGH LATER. SHOWERS, RAIN LATER. GOOD, OCCASIONALLY POOR LATER



ROCKALL

CYCLONIC GALE 8 TO STORM 10, DECREASING 5 TO 7. VERY ROUGH OR HIGH, OCCASIONALLY VERY HIGH. SQUALLY SHOWERS. MODERATE OCCASIONALLY POOR



BAILEY

EAST, BECOMING CYCLONIC, 7 TO SEVERE GALE 9. ROUGH OR VERY ROUGH, BECOMING HIGH. OCCASIONAL RAIN. MODERATE OR POOR



FAEROES SOUTHEAST ICELAND

NORTHEASTERLY, BECOMING CYCLONIC IN SOUTH FAEROES, 6 TO GALE 8, PERHAPS SEVERE GALE 9 LATER. MODERATE OR ROUGH, BECOMING VERY ROUGH, OCCASIONALLY HIGH LATER. RAIN OR SHOWERS. MODERATE OR GOOD, OCCASIONALLY POOR



EAST NORTHERN SECTION

IN NORTH, NORTHEASTERLY 7 TO SEVERE GALE 9 LATER, DECREASING 4 TO 6. ROUGH OR VERY ROUGH, BECOMING HIGH IN FAR EAST. OCCASIONAL RAIN OR SHOWERS, WINTRY IN WEST. GOOD OCCASIONALLY MODERATE.

IN SOUTH, CYCLONIC GALE 7 TO SEVERE GALE 9, OCCASIONALLY STORM 10 AT FIRST IN FAR EAST, BECOMING NORTHEASTERLY 5 TO 7. VERY ROUGH OR HIGH, OCCASIONALLY ROUGH AT FIRST IN FAR WEST. OCCASIONAL RAIN OR SQUALLY SHOWERS. MODERATE OR POOR, OCCASIONALLY GOOD



WEST NORTHERN SECTION

IN FAR NORTHWEST OF AREA, NORTHEASTERLY 6 TO GALE 8, DECREASING 4 OR 5. ROUGH OR VERY ROUGH, OCCASIONALLY MODERATE. OCCASIONAL RAIN OR DRIZZLE, THEN SHOWERS. MODERATE OR GOOD, OCCASIONALLY POOR AT FIRST.

IN REST OF AREA, NORTHERLY 3 TO 5, VEERING NORTHEASTERLY 4 TO 6. MODERATE OR ROUGH, OCCASIONALLY VERY ROUGH IN FAR EAST. OCCASIONAL RAIN OR SHOWERS. MODERATE OR GOOD



EAST CENTRAL SECTION

IN NORTH, WESTERLY 7 TO SEVERE GALE 9, OCCASIONALLY STORM 10 AT FIRST IN FAR EAST, BECOMING CYCLONIC 4 TO 6. ROUGH OR VERY ROUGH, OCCASIONALLY HIGH AT FIRST IN EAST. RAIN OR SHOWERS, SQUALLY AT FIRST. MODERATE OR GOOD, OCCASIONALLY POOR AT FIRST.

IN SOUTH, WESTERLY OR SOUTHWESTERLY 4 TO 6, OCCASIONALLY 3 AT FIRST, BECOMING 7 OR GALE 8 FOR A TIME IN FAR EAST. ROUGH, OCCASIONALLY VERY ROUGH AT FIRST IN EAST. VERY ROUGH BECOMING ROUGH. THUNDERY RAIN OR SHOWERS. GOOD OCCASIONALLY POOR



WEST CENTRAL SECTION

CYCLONIC, BECOMING WESTERLY OR NORTHWESTERLY, 4 TO 6. MODERATE OR ROUGH. OCCASIONAL RAIN OR SHOWERS, THUNDERY AT TIMES. GOOD OCCASIONALLY POOR



DENMARK STRAIT

NORTHERLY OR NORTHEASTERLY 4 TO 6, OCCASIONALLY 7 IN FAR SOUTH AND FAR EAST. MODERATE OR ROUGH. SNOW SHOWERS. GOOD OCCASIONALLY POOR. LIGHT ICING AT FIRST IN FAR NORTHWEST, WITH TEMPERATURES MS02 TO MS03



NORTH ICELAND

IN NORTH, NORTHERLY 5 TO 7, INCREASING GALE 8 FOR A TIME. ROUGH, OCCASIONALLY VERY ROUGH AT FIRST. SNOW SHOWERS, SLEET FOR A TIME. MODERATE OR GOOD, OCCASIONALLY POOR.

IN SOUTH, NORTHERLY OR NORTHEASTERLY 4 TO 6, OCCASIONALLY 7 LATER. ROUGH, OCCASIONALLY VERY ROUGH LATER. WINTRY SHOWERS, OCCASIONAL SLEET LATER. GOOD OCCASIONALLY POOR



NORWEGIAN BASIN

NORTHERLY, VEERING EASTERLY, 4 TO 6, OCCASIONALLY 7 LATER IN FAR WEST. MODERATE OR ROUGH. SHOWERS, RAIN LATER IN SOUTH. GOOD, BECOMING POOR LATER IN SOUTH



OUTLOOK FOR FOLLOWING 24 HOURS:

SEVERE GALES EXPECTED IN BAILEY, FAEROES AND SOUTHEAST ICELAND. GALES EXPECTED IN REMAINING AREAS EXCEPT WEST CENTRAL SECTION, WEST NORTHERN SECTION, DENMARK STRAIT AND NORWEGIAN BASIN





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