Réamhaisnéis limistear na farraige

Forecast valid from: 05:00, Saturday 29 August 2026 until 06:00, Sunday 30 August 2026

Small Craft Warning

1. North to northwest, or cyclonic variable, winds will reach force 6 at times today (Saturday) on Irish coasts from Wicklow Head to Roches Point to Valentia. 2. Southerly winds will reach force 6 at times early tomorrow (Sunday) on Irish coasts from Roches Point to Valentia to Loop Head.

Gale Warning

nil

Meteorological Situation at 03:00 UTC

Ireland lies in a broad and complex area of low pressure with multiple centres, including one of 998hPa tracking eastwards along the south coast of the country.

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Dungarvan to Valentia to Slyne Head

Wind: Northwesterly force 4 to 6 imminent. Soon backing westerly. Later backing southwesterly. Further backing south to southwest by the end of the period.

Weather: Widespread rain, heavy at times. Some mist and fog patches. Isolated showers soon. Scattered heavy showers later.

Visibility: Reducing moderate or poor in precipitation or mist and fog.

Forecast for Slyne Head to Bloody Foreland to Fair Head

Wind: Variable force 3 or less. Later becoming southerly or variable force 2 to 4.

Weather: Outbreaks of rain and drizzle. Some mist and fog patches. Scattered heavy showers later.

Visibility: Reducing moderate or poor in precipitation or mist and fog.

Forecast for Fair Head to Carlingford Lough to Howth Head and for the North Irish Sea

Wind: Northeasterly or variable force 2 to 4. Soon becoming northerly force 3 or 4. Later backing westerly.

Weather: Outbreaks of rain and drizzle. Some mist and fog patches.

Visibility: Reducing moderate or poor in precipitation or mist and fog.

Forecast for Howth Head to Carnsore Point to Dungarvan and for the South Irish Sea

Wind: Cyclonic variable force 4 to 6. Soon becoming northwesterly force 4 or 5. Later backing southwesterly force 3 to 5.

Weather: Widespread rain, heavy at times. Some mist and fog patches. Isolated showers later.

Visibility: Reducing moderate or poor in precipitation or mist and fog.

Outlook for a further 24 hours until 06:00, Monday 31 August 2026

Light to fresh, occasionally strong, cyclonic variable winds will gradually become northwesterly through the period, and increase mostly fresh to strong. Weather: Widespread showers or more persistent spells of rain, some of which will be heavy with thunderstorms possible.

Forecast issued at: 05:00, Saturday 29 August 2026

All times are local unless specified