Y Tywydd Dyfroedd Gyda'r Glannau

Gosodiadau
Iaith

Mae'r cynnwys hwn ar gael yn Saesneg yn unig.

Summary

Low pressure centred to the northeast of the United Kingdom over the North Sea will bring a cool and showery northerly or northwesterly airstream for the next few days.

* Wind or gale warning issued

  1. From Cape Wrath to Rattray Head including Orkney * warning

    From Cape Wrath to Rattray Head including Orkney

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      North or northwest 5 to 7, backing west 4 for a time.
    • Sea State

      Moderate, occasionally rough at first near rattery head and later near Cape Wrath.
    • Weather

      Occasional rain.
    • Visibility

      Good, occasionally moderate.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      Northwest 5 to 7, decreasing 4 at times later.
    • Sea State

      Slight or moderate, becoming moderate or rough.
    • Weather

      Isolated showers.
    • Visibility

      Good.

    Issued at 17:00 UTC on Thursday 3rd Sep

  2. Rattray Head to Berwick on Tweed * warning

    Rattray Head to Berwick on Tweed

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      Northwesterly 5 to 7, occasionally gale 8 at first, backing westerly 4 or 5 later in south.
    • Sea State

      Moderate or rough, becoming moderate.
    • Weather

      Occasional rain.
    • Visibility

      Good, occasionally moderate.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      Northwesterly 5 or 7, but westerly 4 or 5 at first in south, decreasing 4 or 5 later.
    • Sea State

      Moderate or rough.
    • Weather

      Isolated showers.
    • Visibility

      Good.

    Issued at 17:00 UTC on Thursday 3rd Sep

  3. Berwick on Tweed to Whitby * warning

    Berwick on Tweed to Whitby

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      Northwest 5 to 7, occasionally gale 8, backing west 4 or 5 later.
    • Sea State

      Moderate or rough.
    • Weather

      Occasional rain.
    • Visibility

      Good, occasional moderate.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      West 4 or 5, veering northwest 5 to 7.
    • Sea State

      Moderate, occasionally rough later.
    • Weather

      Isolated showers.
    • Visibility

      Good.

    Issued at 17:00 UTC on Thursday 3rd Sep

  4. Whitby to Gibraltar Point * warning

    Whitby to Gibraltar Point

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      Northwesterly 5 to 7.
    • Sea State

      Moderate or rough.
    • Weather

      Occasional rain or showers, perhaps thundery.
    • Visibility

      Moderate or good, occasionally poor later.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      Northwesterly 5 or 6, increasing 7 at times later.
    • Sea State

      Moderate or rough.
    • Weather

      Occasional rain or showers.
    • Visibility

      Good, occasionally moderate.

    Issued at 17:00 UTC on Thursday 3rd Sep

  5. Gibraltar Point to North Foreland * warning

    Gibraltar Point to North Foreland

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      Northwesterly 5 to 7, decreasing 4 at times in south at first, then occasionally gale 8 later in north.
    • Sea State

      Moderate or rough in north, slight or moderate in south.
    • Weather

      Rain or thundery showers.
    • Visibility

      Moderate or good, occasionally poor.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      Northwesterly 5 to 7, occasionally gale 8 at first in north, decreasing 4 at times in south.
    • Sea State

      Moderate or rough in north, slight or moderate in south.
    • Weather

      Occasional rain or showers, thundery at first.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 17:00 UTC on Thursday 3rd Sep

  6. North Foreland to Selsey Bill * warning

    North Foreland to Selsey Bill

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      Westerly or northwesterly 4 or 5, increasing 6 in far northeast later.
    • Sea State

      Smooth or slight.
    • Weather

      Rain or showers, thundery in far east.
    • Visibility

      Good, occasionally poor later.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      Northerly or northwesterly 4 or 5, increasing 6 at first in far northeast.
    • Sea State

      Smooth or slight, but moderate near North Foreland.
    • Weather

      Showers, thundery at first in far east.
    • Visibility

      Good, occasionally poor at first in far east.

    Issued at 17:00 UTC on Thursday 3rd Sep

  7. Selsey Bill to Lyme Regis

    Selsey Bill to Lyme Regis

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    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      North or northwest 3 or 4, increasing 5 at times at first.
    • Sea State

      Smooth or slight.
    • Weather

      Isolated showers.
    • Visibility

      Good.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      North or northwest, veering northeast later, 4 or 5.
    • Sea State

      Smooth or slight.
    • Weather

      Isolated showers.
    • Visibility

      Good.

    Issued at 17:00 UTC on Thursday 3rd Sep

  8. Lyme Regis to Lands End including the Isles of Scilly * warning

    Lyme Regis to Lands End including the Isles of Scilly

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      Northwest 4 or 5 occasionally 6 later near the Isles of Scilly.
    • Sea State

      Slight or moderate in far west, otherwise smooth or slight.
    • Weather

      Isolated showers.
    • Visibility

      Good.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      North or northwest 4 or 5, occasionally 6 near Isles of Scilly.
    • Sea State

      Slight or moderate in far west, otherwise smooth or slight.
    • Weather

      Isolated showers.
    • Visibility

      Good.

    Issued at 17:00 UTC on Thursday 3rd Sep

  9. Lands End to St Davids Head including the Bristol Channel * warning

    Lands End to St Davids Head including the Bristol Channel

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      Northwesterly 4 or 5, increasing 6 at times in west.
    • Sea State

      Slight or moderate, but smooth or slight in Bristol Channel.
    • Weather

      Showers.
    • Visibility

      Good.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      North or northwest, 5 or 6, decreasing 3 or 4 at times in Bristol Channel.
    • Sea State

      Slight or moderate, but smooth or slight in Bristol Channel.
    • Weather

      Isolated showers.
    • Visibility

      Good.

    Issued at 17:00 UTC on Thursday 3rd Sep

  10. St Davids Head to Great Ormes Head, including St Georges Channel * warning

    St Davids Head to Great Ormes Head, including St Georges Channel

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      North or northwest 5 or 6.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      North or northwest 5 or 6, decreasing 4 at times later.
    • Sea State

      Slight or moderate.
    • Weather

      Isolated showers.
    • Visibility

      Good.

    Issued at 17:00 UTC on Thursday 3rd Sep

  11. Great Ormes Head to the Mull of Galloway * warning

    Great Ormes Head to the Mull of Galloway

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      Northerly or northwesterly 4 or 5, occasionally 6 in west.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      North or northwest 5 or 6, decreasing 3 or 4 for a time.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain or showers.
    • Visibility

      Good.

    Issued at 17:00 UTC on Thursday 3rd Sep

  12. Isle of Man * warning

    Isle of Man

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      Northwest 4 or 5, increasing 6 at times.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      North or northwest 5 or 6, decreasing 4 for a time.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain or showers.
    • Visibility

      Good, occasionally moderate later.

    Issued at 17:00 UTC on Thursday 3rd Sep

  13. Lough Foyle to Carlingford Lough * warning

    Lough Foyle to Carlingford Lough

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      North or northwest 5 or 6.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain or showers.
    • Visibility

      Good, occasionally moderate.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      North or northwest 5 or 6, decreasing 4 for a time later.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain or showers.
    • Visibility

      Good, occasionally moderate.

    Issued at 17:00 UTC on Thursday 3rd Sep

  14. The Mull of Galloway to Mull of Kintyre including the Firth of Clyde and the North Channel * warning

    The Mull of Galloway to Mull of Kintyre including the Firth of Clyde and the North Channel

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      Northerly or northwesterly 5 or 6, decreasing 4 at times in east.
    • Sea State

      Slight in shelter, otherwise moderate.
    • Weather

      Occasional rain or showers.
    • Visibility

      Good, occasionally moderate.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      Northerly or northwesterly 5 or 6, decreasing 4 at times later.
    • Sea State

      Slight in shelter, otherwise moderate.
    • Weather

      Occasional rain or showers.
    • Visibility

      Good, occasionally moderate.

    Issued at 17:00 UTC on Thursday 3rd Sep

  15. Mull of Kintyre to Ardnamurchan Point * warning

    Mull of Kintyre to Ardnamurchan Point

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      North or northwest 5 or 6.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      North or northwest, 4 or 5, occasionally 6 at first.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain at first.
    • Visibility

      Good, occasionally moderate.

    Issued at 17:00 UTC on Thursday 3rd Sep

  16. The Minch * warning

    The Minch

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      Northerly or northwesterly 5 or 6, decreasing 4 for a time.
    • Sea State

      Slight or moderate, occasionally rough later in far north.
    • Weather

      Occasional rain or showers.
    • Visibility

      Good, occasionally moderate.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      North or northwest 5 or 6, decreasing 3 or 4, then occasionally 5 later in north.
    • Sea State

      Slight or moderate, occasionally roughat first in far north.
    • Weather

      Isolated showers.
    • Visibility

      Good.

    Issued at 17:00 UTC on Thursday 3rd Sep

  17. Ardnamurchan Point to Cape Wrath including the Outer Hebrides * warning

    Ardnamurchan Point to Cape Wrath including the Outer Hebrides

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      North or northwest 5 or 6, decreasing 4 for a time.
    • Sea State

      Slight or moderate, but rough at later in north.
    • Weather

      Occasional rain or showers.
    • Visibility

      Good, occasionally moderate.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      Northerly or northwesterly 5 or 6, decreasing 3 or 4, then occasionally 5 later in north.
    • Sea State

      Slight or moderate, but rough at first in north.
    • Weather

      Isolated showers.
    • Visibility

      Good.

    Issued at 17:00 UTC on Thursday 3rd Sep

  18. Shetland Isles * warning

    Shetland Isles

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    Strong wind warning

    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      North 4 or 5, backing west 3 or 4, then veering north 6 or 7 later.
    • Sea State

      Moderate or rough.
    • Weather

      Occasional rain or showers.
    • Visibility

      Good, occasionally moderate later.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      --
    • Sea State

      --
    • Weather

      --
    • Visibility

      --

    Issued at 17:00 UTC on Thursday 3rd Sep

    For coastal areas up to 60 nautical miles from Lerwick, Shetland

    Gale Warnings in operation for Sea Area Fair Isle: Issued: 2147 UTC on Wednesday 02 September 2015, Northerly gale 8 continuing.

    17:00 UTC Thu 3rd Sep – 04:59 UTC Fri 4th Sep

    • Wind

      North 5 or 6, backing west or northwest 4 or 5.
    • Sea State

      Slight or moderate, occasionally rough in east at first.
    • Weather

      Rain or showers later.
    • Visibility

      Good, occasionally moderate later.

    05:00 UTC Fri 4th Sep – 16:59 UTC Fri 4th Sep

    • Wind

      West or northwest 4 or 5 veering north 6 or 7.
    • Sea State

      Slight or moderate, becoming rough in northwest later.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good.

    Issued at 17:00 UTC on Thursday 3rd Sep

  19. The Channel Islands

    The Channel Islands

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    17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

    • Wind

      Northwest to north 3 to 4, perhaps locally 5 this evening.
    • Sea State

      Slight.
    • Weather

      Isolated showers.
    • Visibility

      Good, occasionally moderate in showers.

    17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

    • Wind

      Northwest to north 2 to 4, veering north to northeast in the afternoon.
    • Sea State

      Slight.
    • Weather

      Isolated showers.
    • Visibility

      Good, occasionally moderate in showers.

    Issued at 17:00 UTC on Thursday 3rd Sep

Lyme Regis to Lands End including the Isles of Scilly

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Strong wind warning

17:00 UTC Thu 3rd Sep – 16:59 UTC Fri 4th Sep

  • Wind

    Northwest 4 or 5 occasionally 6 later near the Isles of Scilly.
  • Sea State

    Slight or moderate in far west, otherwise smooth or slight.
  • Weather

    Isolated showers.
  • Visibility

    Good.

17:00 UTC Fri 4th Sep – 16:59 UTC Sat 5th Sep

  • Wind

    North or northwest 4 or 5, occasionally 6 near Isles of Scilly.
  • Sea State

    Slight or moderate in far west, otherwise smooth or slight.
  • Weather

    Isolated showers.
  • Visibility

    Good.

Issued at 17:00 UTC on Thursday 3rd Sep