High Seas
High Seas information supplied by the Met Office, externalon behalf of theMaritime and Coastguard Agency (MCA), external.
From:08:00 UTC Friday 23 October
To:08:00 UTC Saturday 24 October
Summary
New low expected 72 north 19 west 990 by 240000UTC. Developing Atlantic low moving rapidly northeastwards, expected 55 north 24 west 979 by same time. Low 50 north 06 west 974 expected 53 north 06 east 990 by that time. Lows 62 north 01 east 992 and 60 north 24 west 989 both losing their identities
Issued:08:00 UTC Friday 23 October
Storm warnings are in effect in the following locations:
- East Northern Section
- Denmark Strait
- North Iceland
Issued:08:00 UTC Friday 23 October
Wind:Northwesterly 7 to severe gale 9 backing westerly 5 or 6, then southwesterly 6 to gale 8 later.
Sea State:Very high at first in east, otherwise high becoming very rough.
Weather:Showers, then rain later.
Visibility:Poor, occasionally moderate.
Wind:Northwest, backing southwest later, 7 to severe gale 9, decreasing 5 or 6 for a time.
Sea State:High at first in southeast, otherwise very rough.
Weather:Showers, then rain later.
Visibility:Moderate or poor.
Wind:Northwest backing southwest 4 to 6, backing south 6 to gale 8 later.
Sea State:Rough or very rough.
Weather:Showers, then rain later.
Visibility:Moderate or good, becoming poor later.
Wind:Cyclonic, becoming southerly later, 4 to 6.
Sea State:Rough or very rough.
Weather:Rain or showers.
Visibility:Good, occasionally poor.
Wind:Cyclonic, becoming southerly later, 4 to 6.
Sea State:Moderate or rough.
Weather:Rain or showers.
Visibility:Good, occasionally poor.
Wind:Cyclonic, becoming southerly later, 4 to 6.
Sea State:Moderate or rough.
Weather:Rain or showers.
Visibility:Good, occasionally poor.
Storm warning issued
New low expected 72 north 19 west 990 by 240000UTC. Northerly or northeasterly winds will continue to reach storm force 10 to the north of 69 north in the east of Denmark Strait until 231300UTC, and also in the far northwest of sea area north Iceland until 240100UTC. Also, northeasterly winds will reach violent storm force 11 at times until 232200UTC in the far northwest of sea area north Iceland, although this area is mostly covered in ice. Developing Atlantic low moving rapidly northeastwards, expected 55 north 24 west 979 by 240000UTC. Westerly or southwesterly winds will reach storm force 10 or violent storm force 11 after 240300UTC in that part of East Northern Section that lies both east of 23 west and south of 57 north.
Issued:08:00 UTC Friday 23 October
Wind:In northern half of the area: Cyclonic 3 to 5, increasing 6 for a time in southeast, then increasing 5 or 6 later in south. In southern half of the area: Westerly 5 to 7 becoming cyclonic 4 to 6, then increasing 7 to severe gale 9 later in southwest but severe gale 9 to violent storm 11 later in south and southeast.
Sea State:In northern half of the area: Rough or very rough becoming moderate or rough. In southern half of the area: Very rough or high becoming rough or very rough, then becoming high or very high later in southeast.
Weather:In northern half of the area: Rain or showers, wintry at times. In southern half of the area: Squally showers, then rain.
Visibility:In northern half of the area: Moderate or good, occasionally poor. In southern half of the area: Moderate or poor, occasionally good.
Wind:In northern half of the area: Cyclonic mainly northeasterly, backing northwesterly later, 4 to 6, occasionally 7 in northeast. In southern half of the area: Southwesterly becoming cyclonic, then northwesterly later, 4 to 6, increasing 6 to gale 8 in south, and later also in east.
Sea State:In northern half of the area: Mainly rough or very rough, but moderate or rough in northwest. In southern half of the area: Rough or very rough.
Weather:In northern half of the area: Sleet or snow showers in north and west, rain or sleet showers in south and east. In southern half of the area: Showers, then rain for a time in east.
Visibility:In northern half of the area: Moderate or good, occasionally very poor. In southern half of the area: Moderate or good, occasionally poor.
Wind:Westerly or southwesterly 4 to 6 increasing 6 to gale 8, occasionally severe gale 9 later except in south.
Sea State:Rough or very rough, becoming high later in north, and then very high later in far northeast.
Weather:Showers then rain, then squally showers later in far north.
Visibility:Moderate or good becoming moderate or poor.
Wind:In southern half of the area: Southerly or southwesterly becoming cyclonic, 5 to 7, increasing gale 8 at times. In northern half of the area: Cyclonic 4 to 6 increasing 6 to gale 8, then becoming northwesterly later.
Sea State:In southern half of the area: Rough or very rough. In northern half of the area: Rough or very rough.
Weather:In southern half of the area: Rain, thundery at times. In northern half of the area: Rain or squally showers, fog patches for a time.
Visibility:In southern half of the area: Moderate or poor. In northern half of the area: Moderate or good, occasionally very poor.
Storm warning issued
New low expected 72 north 19 west 990 by 240000UTC. Northerly or northeasterly winds will continue to reach storm force 10 to the north of 69 north in the east of Denmark Strait until 231300UTC, and also in the far northwest of sea area north Iceland until 240100UTC. Also, northeasterly winds will reach violent storm force 11 at times until 232200UTC in the far northwest of sea area north Iceland, although this area is mostly covered in ice. Developing Atlantic low moving rapidly northeastwards, expected 55 north 24 west 979 by 240000UTC. Westerly or southwesterly winds will reach storm force 10 or violent storm force 11 after 240300UTC in that part of East Northern Section that lies both east of 23 west and south of 57 north.
Issued:08:00 UTC Friday 23 October
Wind:In area to the south of 69 north: Northerly or northeasterly 6 to gale 8, occasionally severe gale 9 at first in northeast, then decreasing 4 to 6. In area to the north of 69 north: Northerly or northeasterly 7 to severe gale 9, occasionally storm 10 at first, becoming cyclonic 5 to 7 later, then decreasing 3 or 4 later in south.
Sea State:In area to the south of 69 north: High at first in east, otherwise rough or very rough, becoming moderate or rough later. In area to the north of 69 north: Very rough or high, becoming moderate or rough later.
Weather:In area to the south of 69 north: Sleet or snow at times. In area to the north of 69 north: Snow.
Visibility:In area to the south of 69 north: Moderate or good, occasionally very poor. Light or moderate icing at first in east to the north of 66 north, with temperatures ms02 to ms05. In area to the north of 69 north: Moderate to very poor, occasionally good later in south. Severe or very severe icing, with temperatures ms06 to ms09, but becoming light or moderate later, with temperatures ms02 to ms05, and then dying out later in the south.
Storm warning issued
New low expected 72 north 19 west 990 by 240000UTC. Northerly or northeasterly winds will continue to reach storm force 10 to the north of 69 north in the east of Denmark Strait until 231300UTC, and also in the far northwest of sea area north Iceland until 240100UTC. Also, northeasterly winds will reach violent storm force 11 at times until 232200UTC in the far northwest of sea area north Iceland, although this area is mostly covered in ice. Developing Atlantic low moving rapidly northeastwards, expected 55 north 24 west 979 by 240000UTC. Westerly or southwesterly winds will reach storm force 10 or violent storm force 11 after 240300UTC in that part of East Northern Section that lies both east of 23 west and south of 57 north.
Issued:08:00 UTC Friday 23 October
Wind:In northwestern half of the area: Northerly or northeasterly mainly 7 to severe gale 9, but severe gale 9 to violent storm 11 until later in far northwest, then becoming cyclonic 3 to 5 later except in far northwest. In southeastern half of the area: Cyclonic 4 to 6, occasionally 3 at first and 7 later.
Sea State:In northwestern half of the area: Very rough or high, becoming moderate or rough later. In southeastern half of the area: Moderate or rough.
Weather:In northwestern half of the area: Snow or freezing rain, but becoming mainly fair later except in far northwest. In southeastern half of the area: Rain or drizzle at times, with occasional sleet later in south, fog banks in north.
Visibility:In northwestern half of the area: Moderate to very poor, occasionally good, but becoming mainly good later except in far northwest. Severe or very severe icing until later in far northwest, with temperatures ms07 to ms10, otherwise light or moderate icing gradually becoming confined to far northwest, with temperatures ms03 to ms06. In southeastern half of the area: Moderate to very poor in north, but in south, moderate or good occasionally poor.
Wind:Cyclonic 4 to 6, becoming variable 2 to 4 in east but southerly or southeasterly 4 to 6 in west.
Sea State:Moderate or rough, occasionally very rough at first in central areas.
Weather:Rain at times, but becoming mainly fair in east.
Visibility:Moderate or good, occasionally poor, but becoming good in east.
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