Y Tywydd Dyfroedd Gyda'r Glannau

Gosodiadau
Iaith

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

Summary

A complex area of low pressure will remain slow moving over the eastern Atlantic. An anticyclone will develop across northern France on Monday morning, before then moving to southern Germany by the end of the day.

* Wind or gale warning issued

  1. From Cape Wrath to Rattray Head including Orkney

    From Cape Wrath to Rattray Head including Orkney

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    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      East, becoming variable, 3 or 4.
    • Sea State

      Smooth or slight.
    • Weather

      Fog patches, showers for a time.
    • Visibility

      Moderate or good, occasionally very poor.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      Variable 3 or 4, becoming east or northeast 4 or 5, occasionally 6 later.
    • Sea State

      Smooth or slight, becoming moderate later in north.
    • Weather

      Rain later, fog patches at first.
    • Visibility

      Moderate or good, occasionally very poor at first.

    Issued at 11:00 UTC on Sunday 5th Jul

  2. Rattray Head to Berwick on Tweed

    Rattray Head to Berwick on Tweed

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    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Variable 3 or 4.
    • Sea State

      Slight.
    • Weather

      Thundery showers at first.
    • Visibility

      Good, occasionally poor.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      Variable, becoming south or southeast, 3 or 4, occasionally 5 later.
    • Sea State

      Smooth or slight.
    • Weather

      Fair then rain for a time.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 11:00 UTC on Sunday 5th Jul

  3. Berwick on Tweed to Whitby

    Berwick on Tweed to Whitby

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    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Southeast, veering south or southwest, 3 or 4.
    • Sea State

      Slight.
    • Weather

      Thundery showers at first.
    • Visibility

      Good, occasionally poor.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      South or southwest 3 or 4, increasing 5 at times.
    • Sea State

      Slight, occasionally moderate later.
    • Weather

      Rain for a time, showers later.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 11:00 UTC on Sunday 5th Jul

  4. Whitby to Gibraltar Point

    Whitby to Gibraltar Point

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    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Variable, becoming south or southwest, 3 or 4.
    • Sea State

      Smooth or slight.
    • Weather

      Thundery showers at first.
    • Visibility

      Good, occasionally poor.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      South or southwest 4 or 5, occasionally 3 at first.
    • Sea State

      Smooth or slight.
    • Weather

      Rain for a time, showers later.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 11:00 UTC on Sunday 5th Jul

  5. Gibraltar Point to North Foreland

    Gibraltar Point to North Foreland

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    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Variable 3 or 4, becoming westerly or southwesterly 4 or 5.
    • Sea State

      Smooth or slight.
    • Weather

      Thundery rain at first.
    • Visibility

      Good, occasionally poor at first.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      Westerly or southwesterly 4 or 5, occasionally 6 later.
    • Sea State

      Smooth or slight.
    • Weather

      Mainly fair, rain or showers later.
    • Visibility

      Moderate or good, occasionally poor later.

    Issued at 11:00 UTC on Sunday 5th Jul

  6. North Foreland to Selsey Bill * warning

    North Foreland to Selsey Bill

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    Strong wind warning

    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Variable 3 or 4, becoming southwesterly 4 or 5, increasing 6 for a time in east.
    • Sea State

      Slight.
    • Weather

      Thundery rain at first.
    • Visibility

      Good, occasionally poor at first.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      Southwesterly 4 or 5, occasionally 6 later.
    • Sea State

      Slight, occasionally moderate later.
    • Weather

      Mainly fair, rain or showers later.
    • Visibility

      Moderate or good, occasionally poor later.

    Issued at 11:00 UTC on Sunday 5th Jul

  7. Selsey Bill to Lyme Regis

    Selsey Bill to Lyme Regis

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    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Southwest 4 or 5, backing south 3 or 4 later.
    • Sea State

      Slight, occasionally moderate in west.
    • Weather

      Showers at first.
    • Visibility

      Good, occasionally moderate at first.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      South or southeast 3 or 4, veering west or southwest 4 or 5, occasionally 6 later.
    • Sea State

      Slight, becoming moderate.
    • Weather

      Showers later.
    • Visibility

      Good, occasionally poor later.

    Issued at 11:00 UTC on Sunday 5th Jul

  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

    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Southwesterly 4 or 5, backing southerly 5 or 6, occasionally 7 later in far west.
    • Sea State

      Slight or moderate.
    • Weather

      Thundery showers at first, rain later in west.
    • Visibility

      Good, occasionally moderate.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      Southerly, veering westerly later, 5 or 6, occasionally 7 at first in far west.
    • Sea State

      Slight or moderate, becoming rough for a time in far west.
    • Weather

      Rain or showers, fair at first in east.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 11:00 UTC on Sunday 5th Jul

  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

    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Southwest 3 or 4, occasionally 5 at first, backing south 4 or 5, increasing 6 or 7 later in west.
    • Sea State

      Slight or moderate.
    • Weather

      Thundery showers at first, rain later.
    • Visibility

      Good, occasionally moderate.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      South, veering west later, 5 or 6, occasionally 7 at first in west, but 4 at first in the Bristol Channel.
    • Sea State

      Slight or moderate, becoming rough for a time in west.
    • Weather

      Rain or showers.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 11:00 UTC on Sunday 5th Jul

  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

    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      South or southwest 3 or 4, backing southeast 5 or 6 later, occasionally 7 later near St Davids Head.
    • Sea State

      Slight or moderate.
    • Weather

      Thundery showers at first, rain later.
    • Visibility

      Good, occasionally moderate at first.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      Southeast, veering southwest, 5 or 6, occasionally 7 at first.
    • Sea State

      Slight or moderate, becoming rough for a time.
    • Weather

      Occasional rain then showers.
    • Visibility

      Moderate or good, occasionally poor at first.

    Issued at 11:00 UTC on Sunday 5th Jul

  11. Great Ormes Head to the Mull of Galloway

    Great Ormes Head to the Mull of Galloway

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    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Southeast, veering southwest for a time, 3 or 4.
    • Sea State

      Smooth or slight.
    • Weather

      Thundery showers at first.
    • Visibility

      Good, occasionally moderate at first.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      Southeast 3 or 4, veering south 5 or 6, then veering west later.
    • Sea State

      Slight, becoming moderate for a time in north.
    • Weather

      Showers, rain at first.
    • Visibility

      Good, occasionally moderate at first.

    Issued at 11:00 UTC on Sunday 5th Jul

  12. Isle of Man

    Isle of Man

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    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      South or southeast, veering southwest, 3 or 4, then backing southeast 4 or 5 later.
    • Sea State

      Slight, occasionally moderate later.
    • Weather

      Showers then fair, rain later.
    • Visibility

      Moderate or good, occasionally poor later.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      Southeast 4 or 5, increasing 6 or 7, then veering southwest 5 or 6.
    • Sea State

      Slight or moderate, occasionally rough.
    • Weather

      Occasional rain and drizzle then showers.
    • Visibility

      Moderate, occasionally poor, becoming good.

    Issued at 11:00 UTC on Sunday 5th Jul

  13. Lough Foyle to Carlingford Lough * warning

    Lough Foyle to Carlingford Lough

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    Strong wind warning

    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      South, veering southwest for a time, 3 or 4, increasing 5 or 6 later.
    • Sea State

      Smooth or slight.
    • Weather

      Thundery showers at first, rain later.
    • Visibility

      Moderate or good, occasionally poor later.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      Southeast 5 or 6, occasionally 7 at first, veering south 4 or 5, then veering southwest later.
    • Sea State

      Smooth or slight, becoming moderate for a time.
    • Weather

      Showers, rain at first.
    • Visibility

      Good, occasionally poor at first.

    Issued at 11:00 UTC on Sunday 5th Jul

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

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

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    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Southeasterly, veering southwesterly for a time, 3 or 4, occasionally 5 at first in the North Channel, then increasing 5 later.
    • Sea State

      Smooth or slight.
    • Weather

      Thundery showers at first.
    • Visibility

      Good, occasionally moderate at first.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      Southeasterly 5 or 6, occasionally 7 at first, veering southerly 4 or 5, then veering southwesterly later.
    • Sea State

      Smooth or slight, becoming moderate for a time.
    • Weather

      Showers, rain at first.
    • Visibility

      Good, occasionally poor at first.

    Issued at 11:00 UTC on Sunday 5th Jul

  15. Mull of Kintyre to Ardnamurchan Point

    Mull of Kintyre to Ardnamurchan Point

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    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Southeast 3 or 4, occasionally 5 at first.
    • Sea State

      Slight.
    • Weather

      Thundery showers at first.
    • Visibility

      Good, occasionally moderate at first.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      East or southeast 3 or 4, increasing 5 or 6, then veering south or southwest 4 or 5.
    • Sea State

      Slight, occasionally moderate.
    • Weather

      Showers, rain at first.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 11:00 UTC on Sunday 5th Jul

  16. The Minch

    The Minch

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    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Easterly or southeasterly, becoming variable, 3 or 4.
    • Sea State

      Smooth or slight.
    • Weather

      Showers for a time.
    • Visibility

      Good.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      Variable 3 or 4, becoming easterly or northeasterly 4 or 5, occasionally 6 later in north, then becoming variable 4 in south.
    • Sea State

      Smooth or slight, occasionally moderate in far south and in far north.
    • Weather

      Fair then rain or showers.
    • Visibility

      Good, occasionally poor.

    Issued at 11:00 UTC on Sunday 5th Jul

  17. Ardnamurchan Point to Cape Wrath including the Outer Hebrides

    Ardnamurchan Point to Cape Wrath including the Outer Hebrides

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    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Easterly or southeasterly, becoming variable, 3 or 4.
    • Sea State

      Slight, occasionally moderate.
    • Weather

      Showers for a time.
    • Visibility

      Good.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      Variable 3 or 4, becoming easterly or northeasterly 4 or 5, occasionally 6 later in north, then becoming variable 4 in south.
    • Sea State

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

      Fair then rain or showers.
    • Visibility

      Good, occasionally poor.

    Issued at 11:00 UTC on Sunday 5th Jul

  18. Shetland Isles * warning

    Shetland Isles

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    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Variable, becoming northwest, 3 or 4, occasionally 5 later.
    • Sea State

      Smooth or slight, occasionally moderate later in northwest.
    • Weather

      Fog patches then fair.
    • Visibility

      Moderate or poor, occasionally very poor, becoming good.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      --
    • Sea State

      --
    • Weather

      --
    • Visibility

      --

    Issued at 11:00 UTC on Sunday 5th Jul

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

    Gale Warnings in operation for Sea Area Fair Isle: Nil.

    11:00 UTC Sun 5th Jul – 22:59 UTC Sun 5th Jul

    • Wind

      Variable 3 or less.
    • Sea State

      Smooth or slight.
    • Weather

      Fog patches.
    • Visibility

      Moderate, occasionally very poor.

    23:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Variable 3 or less becoming west 4 or 5.
    • Sea State

      Smooth or slight, becoming moderate in northwest.
    • Weather

      Rain at times, fog patches at first.
    • Visibility

      Moderate or good, occasionally very poor at first.

    Issued at 11:00 UTC on Sunday 5th Jul

  19. The Channel Islands

    The Channel Islands

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    11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

    • Wind

      Southwest 2 to 4, veering west and increasing 4 to 5 by mid-afternoon, decreasing 3 to 4 overnight and backing southerly by the morning.
    • Sea State

      Slight to moderate.
    • Weather

      Isolated thundery showers.
    • Visibility

      Good, locally moderate to poor in showers.

    11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

    • Wind

      Southeast to south 3 to 4, veering south to southwest overnight and increasing 4 to 5, occasionally 6 in the morning, veering west later.
    • Sea State

      Slight with a low swell, becoming moderate to rather rough Tuesday morning.
    • Weather

      Occasional rain Tuesday morning, with a risk of thunder.
    • Visibility

      Good, becoming moderate to poor in rain.

    Issued at 11:00 UTC on Sunday 5th Jul

From Cape Wrath to Rattray Head including Orkney

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11:00 UTC Sun 5th Jul – 10:59 UTC Mon 6th Jul

  • Wind

    East, becoming variable, 3 or 4.
  • Sea State

    Smooth or slight.
  • Weather

    Fog patches, showers for a time.
  • Visibility

    Moderate or good, occasionally very poor.

11:00 UTC Mon 6th Jul – 10:59 UTC Tue 7th Jul

  • Wind

    Variable 3 or 4, becoming east or northeast 4 or 5, occasionally 6 later.
  • Sea State

    Smooth or slight, becoming moderate later in north.
  • Weather

    Rain later, fog patches at first.
  • Visibility

    Moderate or good, occasionally very poor at first.

Issued at 11:00 UTC on Sunday 5th Jul