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Sea Area Forecast

Forecast valid from: 00:00, Saturday 23 January 2021 until 00:00, Sunday 24 January 2021

Small Craft Warning

1. Northwest winds will reach force 6 at times tonight (Friday) and tomorrow (Saturday) on Irish coasts from Erris Head to Malin Head to Strangford Lough.

2. Northwest winds will increase to force 6 on Saturday night on Irish coasts from Mizen Head to Valentia to Loop Head.

Issued at: 23:00, Friday 22 January 2021

Gale Warning


Meteorological Situation at 21:00 UTC

Ireland lies in an unstable moderate to fresh northwesterly airflow generated by a low of 970hPa positioned over Norway. A weak depression will approach from the west on Saturday afternoon.

Small Craft Warning: In effect

Heavy Swell (>4m) : Nil

Wave Height Forecast

Forecast for Irish coastal waters from Erris Head to Strangford Lough to Carnsore Point and the Irish Sea

Wind: Northwest force 4 or 5 and gusty, reaching force 6 at times in northern sea areas and in the north Irish Sea. Later slowly decreasing west to southwest force 3 or 4 and gusty by end of period.

Weather: Heavy blustery showers, risk of thunderstorms.

Visibility: Moderate to poor in showers, otherwise good.

Forecast for Irish coastal waters from Carnsore Point to Valentia to Erris Head

Wind: North force 3 or 4. Soon decreasing west or variable force 3 or less. Later increasing cyclonic variable force 4 or 5, further increasing northwest force 6 and gusty in the southwest at end of period.

Weather: Fair with isolated showers. Rain, sleet and snow later.

Visibility: Moderate to poor in precipitation, otherwise good.

Outlook for a further 24 hours until 00:00, Monday 25 January 2021

Fresh to strong cyclonic variable winds, increasing to near gale force in the southwest on Sunday morning. A moderate to fresh and occasionally strong northwesterly airflow will become established later. Weather: Rain, sleet and snow clearing eastward to showers.

Forecast issued at: 00:00, Saturday 23 January 2021

All times are local unless specified

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