Sea Area Forecast

Forecast valid from: 05:30, Wednesday 23 September 2026 until 06:00, Thursday 24 September 2026

Small Craft Warning

Southerly winds will reach force 6 or higher on Thursday morning on Irish coasts from Valentia to Erris Head to Fair Head.

Gale Warning

Nil

Meteorological Situation at 03:00 UTC

Ireland lies in a moderate westerly airflow with an anticyclone of 1030hPa extending across the country from the west. A cold front associated with a depression centred north of Iceland lies across Ireland and will clear eastwards this morning.

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Mizen Head to Erris Head to Fair Head

Wind: Northwest force 3 or 4, decreasing variable force 3 or less soon. Later increasing southerly force 5 or 6, reaching force 7 by the end of the period.

Weather: Fair with isolated showers. Later becoming cloudy with patchy rain and drizzle.

Visibility: Good, decreasing moderate or poor in precipitation.

Forecast for Fair Head to Howth Head to Mizen Head and for the Irish Sea

Wind: Northwest force 4 or 5 imminent, soon becoming northwesterly or variable force 2 to 4. Becoming south to southeast force 4 or 5 by the end of the period.

Weather: Cloudy with rain, becoming fair with isolated showers imminent.

Visibility: Good, decreasing moderate or poor in precipitation.

Outlook for a further 24 hours until 06:00, Friday 25 September 2026

Moderate to strong southerly winds, reaching near gale force in the northwest at times. Winds becoming westerly on Friday morning. Weather: Cloudy with outbreaks of rain and drizzle.

Forecast issued at: 05:30, Wednesday 23 September 2026

All times are local unless specified