Y Tywydd Dyfroedd Gyda'r Glannau
Mae'r cynnwys hwn ar gael yn Saesneg yn unig.
Summary
A thundery area of low pressure will persist to the south of the United Kingdom, while an slack pressure zone remains over the rest of the country.
* Wind or gale warning issued
- From Cape Wrath to Rattray Head including Orkney
From Cape Wrath to Rattray Head including Orkney
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Southerly or southwesterly 3 or 4, occasionally 5 in north.Sea State
Slight, becoming moderate or rough to the north and west of Orkney.Weather
Occasional rain or showers, fog patches at first.Visibility
Moderate or good, occasionally very poor at first.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Southwesterly, backing southeasterly, 3 or 4, occasionally 5 in north at first.Sea State
Moderate or rough north and west of Orkney, otherwise slight.Weather
Occasional rain or thundery showers, fog patches later.Visibility
Moderate or good, occasionally very poor later.
Issued at 23:00 UTC on Tuesday 18th Jun
- Rattray Head to Berwick on Tweed
Rattray Head to Berwick on Tweed
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Variable, mainly southwest, 3 or 4.Sea State
Slight.Weather
Mainly fair.Visibility
Moderate or good, occasionally poor.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Variable, becoming south or southeast, 3 or 4.Sea State
Slight.Weather
Fair, then occasional rain or thundery showers in south, fog patches later.Visibility
Moderate or good, occasionally very poor later.
Issued at 23:00 UTC on Tuesday 18th Jun
- Berwick on Tweed to Whitby
Berwick on Tweed to Whitby
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Variable 3 or 4.Sea State
Slight.Weather
Fog patches.Visibility
Moderate or good, occasionally very poor.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Variable, becoming northeast, then veering east or southeast later, 3 or 4.Sea State
Slight.Weather
Occasional rain or thundery showers, fog patches later.Visibility
Moderate or good, occasionally very poor later.
Issued at 23:00 UTC on Tuesday 18th Jun
- Whitby to Gibraltar Point
Whitby to Gibraltar Point
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Variable 2 or 3, becoming north or northeast 3 or 4 later.Sea State
Slight.Weather
Thundery showers, fog patches.Visibility
Moderate or good, occasionally very poor.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Easterly or northeasterly 3 or 4, increasing 5 for a time in south.Sea State
Slight.Weather
Thundery showers, fog patches.Visibility
Moderate or good, occasionally very poor.
Issued at 23:00 UTC on Tuesday 18th Jun
- Gibraltar Point to North Foreland
Gibraltar Point to North Foreland
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Variable 3 or less, becoming northerly or northeasterly 4 or 5.Sea State
Slight.Weather
Thundery showers, fog patches.Visibility
Moderate or poor, occasionally very poor.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Northerly or northeasterly, 4 or 5, becoming variable 2 or 3 later.Sea State
Slight.Weather
Thundery showers, fog patches.Visibility
Moderate or poor, occasionally very poor.
Issued at 23:00 UTC on Tuesday 18th Jun
- North Foreland to Selsey Bill
North Foreland to Selsey Bill
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Variable, becoming northeasterly, 2 or 3 increasing 4 or 5 in east later.Sea State
Slight.Weather
Thundery showers, fog patches.Visibility
Moderate or poor, occasionally very poor.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Variable 2 or 3, but northerly or northeasterly 4 or 5 in east at first.Sea State
Slight.Weather
Thundery showers, fog patches.Visibility
Moderate or poor, occasionally very poor.
Issued at 23:00 UTC on Tuesday 18th Jun
- Selsey Bill to Lyme Regis
Selsey Bill to Lyme Regis
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Variable 3 or 4.Sea State
Slight.Weather
Thundery showers, fog patches.Visibility
Moderate or poor, occasionally very poor.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Variable, becoming south or southwest, 3 or 4.Sea State
Slight.Weather
Thundery showers, fog patches.Visibility
Moderate or poor, occasionally very poor.
Issued at 23:00 UTC on Tuesday 18th Jun
- Lyme Regis to Lands End including the Isles of Scilly
Lyme Regis to Lands End including the Isles of Scilly
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Variable 2 or 3, becoming northerly 3 or 4, occasionally 5 later in west.Sea State
Slight, occasionally moderate in far west.Weather
Fog patches, showers in east.Visibility
Moderate or poor, occasionally very poor.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Northerly, backing westerly later, 3 or 4, occasionally 5 in west.Sea State
Slight in east, moderate in west.Weather
Thundery showers, fog patches.Visibility
Moderate or poor, occasionally very poor.
Issued at 23:00 UTC on Tuesday 18th Jun
- Lands End to St Davids Head including the Bristol Channel
Lands End to St Davids Head including the Bristol Channel
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Variable 3 or less, becoming northerly 3 or 4, occasionally 5 in west.Sea State
Slight, occasionally moderate in far southwest.Weather
Fair.Visibility
Moderate or good, occasionally poor.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Northerly, backing westerly later, 3 or 4, occasionally 5 in west.Sea State
Slight, occasionally moderate in southwest.Weather
Showers, becoming thundery.Visibility
Moderate or good, occasionally poor.
Issued at 23:00 UTC on Tuesday 18th Jun
- St Davids Head to Great Ormes Head, including St Georges Channel
St Davids Head to Great Ormes Head, including St Georges Channel
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Variable 2 or 3, becoming northerly or northwesterly 4 or 5.Sea State
Slight.Weather
Fair.Visibility
Moderate or good.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
North 3 or 4, backing west or northwest 2 or 3 later.Sea State
Slight.Weather
Fair then rain or showers.Visibility
Moderate or good.
Issued at 23:00 UTC on Tuesday 18th Jun
- Great Ormes Head to the Mull of Galloway
Great Ormes Head to the Mull of Galloway
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Variable, mainly northwesterly, 3 or 4.Sea State
Slight.Weather
Fair.Visibility
Moderate or good.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Variable 2 or 3.Sea State
Slight.Weather
Rain or showers later.Visibility
Moderate or good.
Issued at 23:00 UTC on Tuesday 18th Jun
- Isle of Man
Isle of Man
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Northwest 3 or 4, becoming variable 2 or 3 later.Sea State
Smooth or slight.Weather
Fair.Visibility
Good.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Variable 2 or 3, becoming southeast 3.Sea State
Smooth or slight.Weather
Occasional rain later.Visibility
Good, occasionally moderate later.
Issued at 23:00 UTC on Tuesday 18th Jun
- Lough Foyle to Carlingford Lough
Lough Foyle to Carlingford Lough
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Variable, mainly west or northwest, 3 or 4.Sea State
Smooth or slight, becoming moderate in north.Weather
Fair.Visibility
Moderate or good.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Variable, mainly southeast, 3 or 4.Sea State
In far north moderate occasionally rough, otherwise slight.Weather
Fair then occasional rain.Visibility
Moderate or good.
Issued at 23:00 UTC on Tuesday 18th Jun
- 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
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Variable, mainly northwest, 3 or 4.Sea State
Smooth, becoming moderate around Mull of Kintyre.Weather
Fair.Visibility
Moderate or good, occasionally poor.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Variable, mainly southeast, 3 or 4.Sea State
Moderate around Mull of Kintyre, otherwise slight.Weather
Fair then occasional rain.Visibility
Moderate or good.
Issued at 23:00 UTC on Tuesday 18th Jun
- Mull of Kintyre to Ardnamurchan Point
Mull of Kintyre to Ardnamurchan Point
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Southerly or southwesterly 3 or 4, occasionally 5 in north.Sea State
Slight or moderate, becoming moderate or rough.Weather
Mainly fair.Visibility
Moderate or good.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Southerly 3 or 4, occasionally 5 in north.Sea State
Moderate or rough.Weather
Occasional rain.Visibility
Moderate or good, occasionally poor later.
Issued at 23:00 UTC on Tuesday 18th Jun
- The Minch * warning
The Minch
Go to top of pageStrong wind warning
23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
South or southwest, 3 or 4, increasing 5 or 6 for a time.Sea State
Moderate in far north and south, otherwise slight.Weather
Occasional rain.Visibility
Moderate or good, occasionally poor.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
South 4 or 5, becoming variable 2 or 3 later.Sea State
Moderate or rough in far north and south, otherwise slight.Weather
Rain or showers.Visibility
Moderate or good, occasionally poor.
Issued at 23:00 UTC on Tuesday 18th Jun
- Ardnamurchan Point to Cape Wrath including the Outer Hebrides * warning
Ardnamurchan Point to Cape Wrath including the Outer Hebrides
Go to top of pageStrong wind warning
23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
South or southwest, 3 or 4, increasing 5 or 6 for a time.Sea State
Moderate, becoming rough.Weather
Occasional rain.Visibility
Moderate or good, occasionally poor.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
South 4 or 5, becoming variable 2 or 3 later.Sea State
Rough, occasionally very rough in west.Weather
Rain or showers.Visibility
Moderate or good, occasionally poor.
Issued at 23:00 UTC on Tuesday 18th Jun
- Shetland Isles * warning
Shetland Isles
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Southwesterly 4 or 5, occasionally 3 at first.Sea State
Slight or moderate, becoming rough in west later.Weather
Rain or showers.Visibility
Moderate or good, occasionally poor at first.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
--Sea State
--Weather
--Visibility
--
Issued at 23:00 UTC on Tuesday 18th Jun
For coastal areas up to 60 nautical miles from Lerwick, Shetland
Gale Warnings in operation for Sea Area Fair Isle: Nil
23:00 UTC Tue 18th Jun – 10:59 UTC Wed 19th Jun
Wind
Southwesterly 3 or 4, occasionally 5 in west and north.Sea State
Slight or moderate.Weather
Fair at first in west, otherwise periods of rain or showers.Visibility
Good or moderate, occasionally poor.
11:00 UTC Wed 19th Jun – 22:59 UTC Wed 19th Jun
Wind
Southwesterly 4 or 5, occasionally 3 in southeast.Sea State
Slight or moderate, becoming rough in west.Weather
Rain, later mainly fair.Visibility
Good or moderate.
Issued at 23:00 UTC on Tuesday 18th Jun
- The Channel Islands
The Channel Islands
Go to top of page23:00 UTC Tue 18th Jun – 22:59 UTC Wed 19th Jun
Wind
Northerly or variable 1 to 3, soon increasing 3 to 4, veering northeast during the afternoon, decreasing 1 to 3 later, becoming locally variable near the brittany coast.Sea State
Smooth or slight.Weather
Isolated showers with the risk of thunder, perhaps dying out for a time in the morning mist or fog patches especially in the north and west.Visibility
Moderate to poor in showers or mist, very poor in fog, otherwise moderate to good.
23:00 UTC Wed 19th Jun – 22:59 UTC Thu 20th Jun
Wind
Northeast or variable 2 to 3, becoming southerly by morning, veering west by the evening, increasing 3 to 4 later.Sea State
Slight with a low swell, locally moderate later.Weather
Scattered thundery showers, perhaps clearing for a time in the morning risk of mist or fog patches mainly in the morning.Visibility
Moderate to good, locally moderate to poor in showers or mist and very poor in any fog.
Issued at 23:00 UTC on Tuesday 18th Jun