Sea Area Forecast

Forecast valid from: 12:00, Sunday 18 October 2026 until 12:00, Monday 19 October 2026

Small Craft Warning

Northerly winds will reach force 6 at times on Monday morning on coasts from Howth Head to Carnsore Pt to Roches Pt

Gale Warning

Nil

Meteorological Situation at 09:00 UTC

An anticyclone of 1038 hPa centred over southern Norway extends a light to moderate northeasterly airflow to northeast, east and south coasts of Ireland and a mostly moderate southerly airflow to west and northwest coasts.

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Mizen Head to Loop Head to Slyne Head

Wind: Southeast to south force 3 or less, becoming southerly or variable imminent, later becoming southeasterly force 2 or 3, becoming east to southeast on Monday morning

Weather: Fair. Localised mist or fog patches possible overnight

Visibility: Good, decreasing moderate or poor in any mist or fog patches

Forecast for Slyne Head to Rossan Point to Fair Head

Wind: Southerly force 2 to 4, becoming southeasterly towards the end of the period.

Weather: Fair. Localised mist or fog patches possible overnight

Visibility: Good, decreasing moderate or poor in any mist or fog patches

Forecast for Fair Head to Belfast Lough to Strangford Lough and for the Irish Sea North of the Isle of Man

Wind: East to southeast force 2 to 4, later becoming east to northeast

Weather: Fair. Localised mist or fog patches possible overnight

Visibility: Good, decreasing moderate or poor in any mist or fog patches

Forecast for Strangford Lough to Carnsore Point to Mizen Head and for the Irish Sea South of the Isle of Man

Wind: Northeasterly force 3 or less, soon increasing force 2 to 4, later increasing north to northeast force 3 to 5, increasing force 5 or 6 on Monday morning.

Weather: Fair. Localised mist or fog patches possible. Light rain and drizzle extending westwards on Monday morning

Visibility: Good, decreasing moderate or poor in any mist or fog patches and in rain and drizzle on Monday morning.

Outlook for a further 24 hours until 12:00, Tuesday 20 October 2026

Moderate to fresh easterly winds, occasionally strong on southeastern coasts, increasing fresh to strong southeasterly overnight and Tuesday morning, strongest on west and northwest coasts. Rain and drizzle on east and south coasts, becoming confined to the south coast.

Forecast issued at: 12:00, Sunday 18 October 2026

All times are local unless specified