Sea Area Forecast

Forecast valid from: 12:00, Saturday 05 September 2026 until 12:00, Sunday 06 September 2026

Small Craft Warning

Southerly winds will reach force 6 or higher today and tonight on Irish coasts from Mizen Head to Rossan Point to Wicklow Head, extending on Irish coasts from Dungarvan to Erris Head to Wicklow Head tomorrow morning.

Gale Warning

Southerly winds will reach gale force 8 at times on Irish coastal waters from Slyne Head to Erris Head to Rossan Point.

Meteorological Situation at 09:00 UTC

Ireland lies in a mainly light to moderate west to southwest airflow with a ridge of high pressure extending from an anticyclone of 1026hPa centred over western France. A depression of 992hPa centred in the mid-Atlantic will steer a warm front across the country tonight.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Mizen Head to Slyne Head to Bloody Foreland

Wind: Increasing southerly force 5 or 6 imminent, occasionally force 7. Later increasing force 6 or 7, possibly reaching gale force 8 at times between Slyne Head and Rossan Point.

Weather: Cloudy to fair with isolated showers. Becoming cloudy with rain and drizzle imminent. Patches of mist and fog also.

Visibility: Good, decreasing moderate or poor in precipitation, mist and fog.

Forecast for Bloody Foreland to Malin Head to Belfast Lough

Wind: Westerly force 3 or 4. Becoming southerly or variable force 3 or less imminent. Soon increasing southeasterly force 4 or 5. Later increasing southerly 5 or 6, reaching force 7 by the end of the period.

Weather: Cloudy to fair with isolated showers. Soon becoming cloudy with rain and drizzle. Patches of mist and fog also.

Visibility: Good, decreasing moderate or poor in precipitation, mist and fog.

Forecast for Belfast Lough to Carnsore Point to Mizen Head and for the Irish Sea

Wind: Increasing southerly force 4 to 5 imminent. Soon increasing force 4 to 6. Reaching force 7 north of Carlingford Lough by the end of the period.

Weather: Cloudy to fair with isolated showers. Becoming cloudy with rain and drizzle imminent. Patches of mist and fog also.

Visibility: Good, decreasing moderate or poor in precipitation, mist and fog.

Outlook for a further 24 hours until 12:00, Monday 07 September 2026

Fresh to near gale force southerly winds, becoming westerly and easing moderate to strong Sunday evening. Winds becoming southwesterly by Monday afternoon increasing fresh to strong in the east and south and increasing strong to near gale force in the west and north. Weather: Cloudy with rain, drizzle, mist and fog. Becoming fair with showers on Sunday night. Further rain arriving into the west on Monday.

Forecast issued at: 12:00, Saturday 05 September 2026

All times are local unless specified