Sea Area Forecast
Forecast valid from: 06:00, Wednesday 27 May 2026 until 06:00, Thursday 28 May 2026
Small Craft Warning
Easterly winds will reach force 6 at times Wednesday night and Thursday morning on Irish coasts from Belfast Lough to Strangford Lough to Howth Head.
Gale Warning
Nil
Meteorological Situation at 03:00 UTC
Ireland lies in a mostly moderate to fresh northeast to east airflow generated by a high pressure of 1031hPa, centred to the northeast of the country.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Howth Head to Roches Point to Slyne Head and for the South Irish Sea
Wind: Increasing northeast to east force 4 or 5 imminent, occasionally force 6 and gusty. Soon increasing easterly force 4 to 6 and gusty. Later decreasing southeasterly force 3 to 5. Becoming southerly by the end of the period.
Weather: Fair or fine. Showers or thunderstorms spreading from the south imminent. Cloudy later with patchy drizzle, mist and fog.
Visibility: Mostly good, decreasing moderate or poor in precipitation, mist and fog.
Forecast for Slyne Head to Malin Head to Howth Head and for the North Irish Sea
Wind: East or northeast force 4 or 5, occasionally force 6. Later increasing easterly force 4 to 6 and gusty.
Weather: Mostly fair, occasionally cloudy. Showers or thunderstorms spreading from the south later.
Visibility: Mostly good, moderate or poor in showers.
Outlook for a further 24 hours until 06:00, Friday 29 May 2026
Moderate to strong southeasterly winds, veering southerly Thursday morning and southwesterly Thursday afternoon. Weather: Cloud, patchy rain and drizzle along with some mist and fog continuing to spread from the south. Cloudy to fair in the south and east later.
Forecast issued at: 06:00, Wednesday 27 May 2026
All times are local unless specified
