Réamhaisnéis limistear na farraige

Forecast valid from: 12:00, Tuesday 29 September 2026 until 12:00, Wednesday 30 September 2026

Small Craft Warning

Southeasterly winds, veering southerly will reach force 6 or higher on all Irish coasts through the period.

Gale Warning

1. Southeasterly winds will reach gale force 8 or strong gale force 9 this afternoon and evening (Tuesday) on Irish coastal waters from Carnsore Point to Slyne Head to Fair Head.

2. Southeasterly winds will reach gale force 8 at times this evening (Tuesday) and tonight on Irish coastal waters from Fair Head to Howth Head to Carnsore Point.

Meteorological Situation at 09:00 UTC

A strong to gale force southeasterly airflow covers Ireland, generated by a rapidly deepening depression of 979hPa, centred approximately 220 nautical miles southwest of Valentia. The airflow will strengthen further as the depression continues to deepen and track northwards. Associated frontal troughs will track northeastwards through today and tonight.

Gale Warning: In effect

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Mizen Head to Erris Head to Malin Head

Wind: Southeasterly force 7 to strong gale force 9 and gusty. Soon decreasing southerly mainly force 6 or 7 and gusty. Later becoming south or southwest force 5 to 7 and gusty.

Weather: Mostly cloudy with outbreaks of rain, heavy at times. Some mist patches. Cloudy to fair with showers soon, some heavy with a chance of isolated thunderstorms.

Visibility: Reducing moderate or poor in precipitation and mist, otherwise good.

Forecast for Malin Head to Howth Head to Carnsore Point and for the Irish Sea

Wind: Southeasterly force 6 to gale force 8 and gusty, strongest in the north. Soon decreasing south or southeast force 5 to 7 and gusty, occasionally gale force 8. Later decreasing southerly force 4 to 6 and gusty.

Weather: Mostly cloudy with patchy rain, drizzle and mist. Outbreaks of rain soon, heavy at times. Cloudy to fair later with showers, some heavy with a chance of isolated thunderstorms.

Visibility: Reducing moderate or poor in precipitation and mist, otherwise good.

Forecast for Carnsore Point to Dungarvan to Mizen Head

Wind: Southeast or south mainly force 7 to gale force 8 and gusty, strong gale force 9 for a time in the west. Soon decreasing south or southwest force 5 or 6 and gusty, occasionally force 7. Later becoming southwest.

Weather: Cloudy with outbreaks of rain, heavy at times. Cloudy to fair in the west soon with showers, some heavy with isolated thunderstorms, extending eastwards later.

Visibility: Reducing moderate or poor in precipitation, otherwise good.

Outlook for a further 24 hours until 12:00, Thursday 01 October 2026

Fresh to near gale force and gusty south to southwest wind, easing mostly moderate to strong through Wednesday afternoon and evening, and moderate to fresh overnight. Weather: Showers, some heavy with thunderstorms possible.

Forecast issued at: 12:00, Tuesday 29 September 2026

All times are local unless specified