Y Tywydd Dyfroedd Gyda'r Glannau

Gosodiadau
Iaith

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

Summary

Deep areas of low pressure will move quickly northwards to the west of the United Kingdom over the next 24 hours, bringing gales or severe gales to many northern and western waters. A frontal system with outbreaks of rain will clear eastwards overnight, allowing blustery showers to follow in behind.

* Wind or gale warning issued

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

    From Cape Wrath to Rattray Head including Orkney

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      Southerly, veering southwesterly, 5 to 7, occasionally gale 8 for a time in northwest, decreasing 4 at times later in southeast.
    • Sea State

      Slight at times in shelter, otherwise moderate or rough.
    • Weather

      Rain at first, then showers.
    • Visibility

      Good, occasionally poor at first.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southwesterly 5 or 6, backing southerly 3 or 4 later.
    • Sea State

      Slight or moderate.
    • Weather

      Showers at first.
    • Visibility

      Good.

    Issued at 00:00 UTC on Sunday 25th Sep

  2. Rattray Head to Berwick on Tweed * warning

    Rattray Head to Berwick on Tweed

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      South, veering southwest, 5 or 6.
    • Sea State

      Slight or moderate, occasionally rough at first near Rattray Head.
    • Weather

      Rain at first, then showers.
    • Visibility

      Good, occasionally moderate at first.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southwest 5 or 6, backing south 3 or 4.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good.

    Issued at 00:00 UTC on Sunday 25th Sep

  3. Berwick on Tweed to Whitby * warning

    Berwick on Tweed to Whitby

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

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

      Moderate becoming slight.
    • Weather

      Rain at first, then showers.
    • Visibility

      Good, occasionally moderate.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

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

      Slight, becoming moderate at times later.
    • Weather

      Showers, rain later.
    • Visibility

      Good, becoming moderate or poor later.

    Issued at 00:00 UTC on Sunday 25th Sep

  4. Whitby to Gibraltar Point * warning

    Whitby to Gibraltar Point

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      South 5 or 6, veering southwest 4 or 5.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain, showers later.
    • Visibility

      Good, occasionally moderate later.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southwest backing south later, 4 or 5, increasing 6 at times later.
    • Sea State

      Smooth or slight, becoming moderate at times later.
    • Weather

      Showers, rain later.
    • Visibility

      Good, becoming moderate or poor later.

    Issued at 00:00 UTC on Sunday 25th Sep

  5. Gibraltar Point to North Foreland * warning

    Gibraltar Point to North Foreland

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      Southerly veering southwesterly, 4 or 5, occasionally 6 at first.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain for a time, then showers later.
    • Visibility

      Good, occasionally moderate later.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southwesterly 4 or 5, backing southerly 5 to 7 later.
    • Sea State

      Smooth or slight.
    • Weather

      Rain or showers later.
    • Visibility

      Moderate or good, occasionally poor later.

    Issued at 00:00 UTC on Sunday 25th Sep

  6. North Foreland to Selsey Bill * warning

    North Foreland to Selsey Bill

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      Southerly, veering westerly or southwesterly, 5 or 6, decreasing 3 or 4 later.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain at first, then mainly fair.
    • Visibility

      Good, occasionally moderate at first.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      West 3 or 4, backing southwesterly 4 or 5, occasionally 6 later.
    • Sea State

      Slight, occasionally moderate.
    • Weather

      Showers at first, then occasional rain or drizzle.
    • Visibility

      Good, becoming moderate or poor.

    Issued at 00:00 UTC on Sunday 25th Sep

  7. Selsey Bill to Lyme Regis * warning

    Selsey Bill to Lyme Regis

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      South, veering west, 5 or 6, decreasing 4 at times later.
    • Sea State

      Slight or moderate.
    • Weather

      Occasional rain at first, then showers later.
    • Visibility

      Moderate or good, occasionally poor at first.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      West or southwest 4 or 5, backing south 5 to 7 later.
    • Sea State

      Slight or moderate.
    • Weather

      Showers, then occasional rain.
    • Visibility

      Moderate or good, occasionally poor.

    Issued at 00:00 UTC on Sunday 25th Sep

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

    Lyme Regis to Lands End including the Isles of Scilly

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      West or southwest 5 to 7, decreasing 4 at times later in lyme bay.
    • Sea State

      Moderate or rough, occasionally very rough for a time near Isles of Scilly.
    • Weather

      Rain then showers.
    • Visibility

      Good, occasionally poor at first.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southwest 5 to 7, increasing gale 8 for a time.
    • Sea State

      Moderate or rough.
    • Weather

      Rain or drizzle.
    • Visibility

      Moderate or poor, occasionally good.

    Issued at 00:00 UTC on Sunday 25th Sep

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

    Lands End to St Davids Head including the Bristol Channel

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      West or southwest 5 to 7.
    • Sea State

      Moderate or rough, becoming very rough for a time near Lands End.
    • Weather

      Rain then showers.
    • Visibility

      Good, occasionally poor at first.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southwest 5 to 7, increasing gale 8 for a time.
    • Sea State

      Moderate or rough.
    • Weather

      Rain or drizzle.
    • Visibility

      Moderate or poor, occasionally good.

    Issued at 00:00 UTC on Sunday 25th 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

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

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

      Moderate or rough.
    • Weather

      Rain then showers.
    • Visibility

      Good, occasionally poor at first.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southerly or southwesterly, becoming cyclonic later, 5 to 7, increasing gale 8 for a time in south.
    • Sea State

      Slight or moderate.
    • Weather

      Rain or drizzle.
    • Visibility

      Moderate or poor, occasionally good.

    Issued at 00:00 UTC on Sunday 25th Sep

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

    Great Ormes Head to the Mull of Galloway

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

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

      Slight or moderate.
    • Weather

      Rain then showers.
    • Visibility

      Good, occasionally poor at first.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southwest, backing south or southeast, 4 or 5, increasing 6 at times.
    • Sea State

      Slight or moderate.
    • Weather

      Showers then rain or drizzle.
    • Visibility

      Good, becoming moderate or poor.

    Issued at 00:00 UTC on Sunday 25th Sep

  12. Isle of Man * warning

    Isle of Man

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      Southwest 5 or 6, increasing 7 for a time.
    • Sea State

      Moderate.
    • Weather

      Showers, becoming thundery for a time.
    • Visibility

      Good, occasionally poor for a time.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southwest, backing south or southeast, 4 or 5.
    • Sea State

      Slight or moderate.
    • Weather

      Showers, then occasional rain or drizzle.
    • Visibility

      Moderate or poor, occasionally good at first.

    Issued at 00:00 UTC on Sunday 25th Sep

  13. Lough Foyle to Carlingford Lough * warning

    Lough Foyle to Carlingford Lough

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      South or southwest, 5 to 7, decreasing 4 at times later.
    • Sea State

      Slight or moderate.
    • Weather

      Thundery showers.
    • Visibility

      Mainly good.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southwest 4 or 5, backing south or southeast, then becoming variable later, 3 or 4.
    • Sea State

      Slight or moderate.
    • Weather

      Showers.
    • Visibility

      Good.

    Issued at 00:00 UTC on Sunday 25th 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

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      Southerly or southwesterly 5 or 6, decreasing 4 at times later.
    • Sea State

      Slight or moderate.
    • Weather

      Thundery showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southwesterly 4 or 5, backing south or southeast 3 or 4.
    • Sea State

      Slight.
    • Weather

      Showers, thundery at first.
    • Visibility

      Good, occasionally poor at first.

    Issued at 00:00 UTC on Sunday 25th Sep

  15. Mull of Kintyre to Ardnamurchan Point * warning

    Mull of Kintyre to Ardnamurchan Point

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      South, veering southwest, 5 to 7, increasing gale 8 at first near Ardnamurchan Point.
    • Sea State

      Moderate or rough, occasionally very rough at first in northwest.
    • Weather

      Thundery showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southwest 4 or 5, occasionally 6 at first, backing south or southeast 3 or 4.
    • Sea State

      Moderate, occasionally rough at first in northwest.
    • Weather

      Showers, thundery at first.
    • Visibility

      Good, occasionally poor at first.

    Issued at 00:00 UTC on Sunday 25th Sep

  16. The Minch * warning

    The Minch

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      South 5 or 6, increasing 7 to severe gale 9, then veering southwest 5 to 7.
    • Sea State

      Moderate or rough, occasionally very rough at first in south, becoming slight later in central areas.
    • Weather

      Thundery showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southwest 5 or 6, backing south 3 or 4 later.
    • Sea State

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

      Showers, thundery at first.
    • Visibility

      Good, occasionally poor at first.

    Issued at 00:00 UTC on Sunday 25th Sep

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

    Ardnamurchan Point to Cape Wrath including the Outer Hebrides

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      South 5 or 6, increasing 7 to severe gale 9, then veering southwest 5 to 7.
    • Sea State

      Moderate or rough, occasionally very rough at first in south.
    • Weather

      Thundery showers.
    • Visibility

      Good, occasionally poor.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southwest 5 or 6, backing south 3 or 4 later.
    • Sea State

      Moderate or rough.
    • Weather

      Showers, thundery at first.
    • Visibility

      Good, occasionally poor at first.

    Issued at 00:00 UTC on Sunday 25th Sep

  18. Shetland Isles * warning

    Shetland Isles

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      Southerly, veering southwesterly later, 5 or 6, increasing 7 for a time in west.
    • Sea State

      Moderate or rough.
    • Weather

      Occasional rain at first.
    • Visibility

      Moderate or good, occasionally poor at first.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      --
    • Sea State

      --
    • Weather

      --
    • Visibility

      --

    Issued at 00:00 UTC on Sunday 25th Sep

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

    Gale Warnings in operation for Sea Area Fair Isle: Gale now ceased but southwesterly gale force 8 expected later. Issued at 1543UTC on Saturday 24th September 2016

    00:00 UTC Sun 25th Sep – 11:59 UTC Sun 25th Sep

    • Wind

      Southerly 5 or 6, increasing 7 at times later in west.
    • Sea State

      Moderate or rough.
    • Weather

      Occasional rain at first.
    • Visibility

      Moderate or poor, occasionally good.

    12:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      Southerly, veering southwesterly, 5 or 6, occasionally 7 at first.
    • Sea State

      Moderate or rough.
    • Weather

      Mainly fair.
    • Visibility

      Good, occasionally moderate.

    Issued at 00:00 UTC on Sunday 25th Sep

  19. The Channel Islands * warning

    The Channel Islands

    Go to top of page

    Strong wind warning

    00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

    • Wind

      Southerly 4 to 5, occasionally 6 with gusts to 35kt, very soon veering west to northwest, backing southwest in the evening.
    • Sea State

      Moderate to rather rough, increasing rather rough to rough for a time in the afternoon, becoming slight to moderate later.
    • Weather

      Rain spreading from the west, locally heavy, clearing by dawn isolated showers developing.
    • Visibility

      Moderate to poor in rain and showers, otherwise good.

    00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

    • Wind

      Southwest to south 3 to 4, increasing 5 to 6 by afternoon, perhaps locally 7 in the north.
    • Sea State

      Slight to moderate with a low swell, increasing moderate to rather rough in the afternoon.
    • Weather

      Risk of a shower in the north at first occasional rain by afternoon.
    • Visibility

      Good, occasionally moderate in showers or rain.

    Issued at 00:00 UTC on Sunday 25th Sep

From Cape Wrath to Rattray Head including Orkney

Go to top of page

Strong wind warning

00:00 UTC Sun 25th Sep – 23:59 UTC Sun 25th Sep

  • Wind

    Southerly, veering southwesterly, 5 to 7, occasionally gale 8 for a time in northwest, decreasing 4 at times later in southeast.
  • Sea State

    Slight at times in shelter, otherwise moderate or rough.
  • Weather

    Rain at first, then showers.
  • Visibility

    Good, occasionally poor at first.

00:00 UTC Mon 26th Sep – 23:59 UTC Mon 26th Sep

  • Wind

    Southwesterly 5 or 6, backing southerly 3 or 4 later.
  • Sea State

    Slight or moderate.
  • Weather

    Showers at first.
  • Visibility

    Good.

Issued at 00:00 UTC on Sunday 25th Sep