Sea Area Forecast

Forecast valid from: 05:00, Saturday 19 September 2026 until 06:00, Sunday 20 September 2026

Small Craft Warning

Southwesterly winds will reach force 6 at times this morning (Saturday morning) on all Irish coasts, becoming confined this afternoon (Saturday afternoon) to Irish coasts from Slyne Head to Malin Head to Howth Head.

Gale Warning

nil

Meteorological Situation at 03:00 UTC

Ireland lies in a mostly fresh to near gale force southwesterly airflow generated by a depression of 976hPa centred south of Iceland. An associated cold front clears the south of the country.

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Slyne Head to Malin Head to Howth Head and for the North Irish Sea

Wind: Southwest to west force 5 to 7. Soon decreasing force 4 to 6 south of Fair Head. Later decreasing westerly force 4 to 6.

Weather: Cloudy to fair with scattered showers.

Visibility: Reducing moderate or poor in precipitation.

Forecast for Howth Head to Mizen Head to Slyne Head and for the South Irish Sea

Wind: Imminent decreasing southwest to west force 4 or 5. Later veering westerly and decreasing force 2 to 4 south of Wicklow Head.

Weather: Imminent becoming cloudy to fair with isolated showers. Later becoming cloudy with patches of rain, drizzle and mist.

Visibility: Reducing moderate or poor in precipitation or mist.

Outlook for a further 24 hours until 06:00, Monday 21 September 2026

Moderate to strong westerly winds over the northern half of the country will ease light to moderate and back southerly through Sunday morning and afternoon, before increasing moderate to strong later in the evening. Light to moderate, occasionally fresh, westerly winds over the southern half of the country will back southerly through the period. Weather: Cloud thickening from the southwest through the period with patches of rain, drizzle and mist.

Forecast issued at: 05:00, Saturday 19 September 2026

All times are local unless specified