Sea Area Forecast
Forecast valid from: 00:00, Wednesday 27 May 2026 until 00:00, Thursday 28 May 2026
Small Craft Warning
Nil
Gale Warning
Nil
Meteorological Situation at 21:00 UTC
Ireland lies in a mostly moderate to fresh northeasterly airflow generated by a high pressure of 1032hPa, centred to the north of the country.
Heavy Swell (>4m) : No
Forecast for Howth Head to Roches Point to Slyne Head and for the South Irish Sea
Wind: Northeast to east force 3 to 5. Soon increasing force 4 or 5, occasionally force 6 and gusty. Later increasing easterly force 4 to 6 and gusty. Decreasing southeasterly force 3 to 5 by the end of the period.
Weather: Fair or fine. Showers or thunderstorms spreading from the south soon. Cloudy with patchy drizzle, mist and fog in the south later.
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: Northeasterly 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 00:00, Friday 29 May 2026
Moderate to strong east or southeast winds, veering southerly Thursday morning and southwesterly Thursday afternoon. Weather: Possible showers or thunderstorms at first, clearing as cloud, patchy rain and drizzle along with some mist and fog spreads from the south. Cloudy to fair in the south later.
Forecast issued at: 00:00, Wednesday 27 May 2026
All times are local unless specified
