Sea Area Forecast

Forecast valid from: 23:00, Saturday 18 April 2026 until 00:00, Monday 20 April 2026

Small Craft Warning

nil

Gale Warning

nil

Meteorological Situation at 21:00 UTC

An anticyclone of 1029hPa centred just southwest of Ireland extends a ridge of high pressure over the country together with a light to moderate anticyclonic variable airflow.

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Valentia to Slyne Head to Bloody Foreland

Wind: Variable force 3 or less. Later increasing easterly force 3 to 5.

Weather: Mostly fair with isolated showers.

Visibility: Good.

Forecast for Bloody Foreland to Howth Head to Carnsore Point and for the Irish Sea

Wind: Imminent decreasing variable force 3 or less. Later increasing northerly or variable force 2 to 4.

Weather: Mostly fair with isolated showers.

Visibility: Good.

Forecast for Carnsore Point to Roches Point to Valentia

Wind: Imminent veering northeasterly force 2 to 4. Soon veering easterly. Later increasing force 4 or 5.

Weather: Mostly fair with isolated showers.

Visibility: Good.

Outlook for a further 24 hours until 00:00, Tuesday 21 April 2026

Mostly light to moderate easterly winds will increase moderate to fresh, and strong in the southwest, through Monday. Weather: Cloudy to fair with isolated showers.

Forecast issued at: 23:00, Saturday 18 April 2026

All times are local unless specified