Sea Area Forecast
Forecast valid from: 12:00, Monday 29 June 2026 until 12:00, Tuesday 30 June 2026
Small Craft Warning
1. Southerly winds increase to force 6 at times this afternoon and evening (Monday) on coasts from Roches Point to Loop Head to Erris Head and from Strangford Lough to Howth Head to Wicklow Head.
2. Southerly winds will reach force 6 or higher at times tonight (Monday) and tomorrow (Tuesday) on coasts from Carlingford Lough to Roches Point to Bloody Foreland.
Gale Warning
Nil
Meteorological Situation at 09:00 UTC
A ridge of high pressure to the east extending from an anticyclone of 1030hPa, centred west of Iberia, and a depression of 1004hPa, centred approximately 500 nautical miles west of Valentia, generate a moderate to fresh southwesterly airflow over the country. Associated fronts will track eastwards across the country.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Roches Point to Loop Head to Rossan Point
Wind: Increasing southerly force 4 to 6 imminent. Soon increasing force 5 to 7. Later decreasing northwesterly force 4 or 5.
Weather: Cloudy with outbreaks of rain and drizzle. Mist patches. Cloudy to fair later with showers.
Visibility: Moderate or poor in precipitation and mist.
Forecast for Rossan Point to Malin Head to Belfast Lough
Wind: Southwest to south force 3 to 5. Soon backing south or southeast. Later increasing southeasterly force 4 or 5, occasionally force 6. Decreasing southerly or cyclonic variable force 3 to 5 by the end of the period.
Weather: Cloudy with outbreaks of rain and drizzle imminent. Mist patches. Cloudy to fair later with showers and chance of isolated thunderstorms.
Visibility: Moderate or poor in precipitation and mist.
Forecast for Belfast Lough to Wicklow Head to Roches Point and for the Irish Sea
Wind: South or southwest mainly force 4 or 5, occasionally force 6 in the east. Later becoming southerly force 4 or 5, reaching force 6 at times. Veering west or southwest between Carnsore Point and Roche's Point by the end of the period.
Weather: Mostly cloudy with patchy rain and drizzle. Mist patches. Outbreaks of rain later followed by fair spells and showers, chance of isolated thunderstorms in the east.
Visibility: Moderate or poor in precipitation and mist.
Outlook for a further 24 hours until 12:00, Wednesday 01 July 2026
Moderate to fresh, occasionally strong northwesterly winds in the west and southwest will extend to all areas through Tuesday afternoon and evening, backing westerly Tuesday night. Winds will back southwesterly Wednesday morning and increase strong to near gale force in the west and northwest, possibly reaching gale force in the northwest towards the end of the period. Weather: Showers at first, mainly in the north and east with isolated thunderstorms possible. Becoming cloiudy to fair for a time Monday night. Rain and drizzle extending from the west Wednesday.
Forecast issued at: 12:00, Monday 29 June 2026
All times are local unless specified
