Sea Area Forecast
Forecast valid from: 18:00, Thursday 18 June 2026 until 18:00, Friday 19 June 2026
Small Craft Warning
1. Southerly winds will reach force 6 at times this evening (Thursday) on Irish coasts from Belfast Lough to Carlingford Lough to Wicklow Head.
2. Southerly winds will reach force 6 or higher tonight (Thursday) and tomorrow morning on Irish coasts from Belfast Lough to Wicklow Head to Roches Point.
Gale Warning
nil
Meteorological Situation at 15:00 UTC
A slow-moving depression of 993hPa, centred to the south of Iceland, maintains a moderate to fresh, occasionally strong, south to southwest airflow over Ireland. Associated waving frontal troughs will move up from the southwest.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Fair Head to Howth Head to Roches Point and for the Irish Sea
Wind: Southerly force 4 to 6. Soon increasing force 5 or 6, occasionally force 7. Later decreasing south to southwest force 3 to 5.
Weather: Mostly cloudy with scattered outbreaks of rain, heavy at times and becoming widespread soon. Mist and fog patches also.
Visibility: Good, decreasing moderate or poor in precipitation, mist and fog.
Forecast for Roches Point to Slyne Head to Fair Head
Wind: Southwesterly or variable force 2 or 3, reaching force 4 or 5 between Roches Point and Valentia at first. Later becoming southwesterly force 3 or 4.
Weather: Cloudy with outbreaks of rain, heavy at times and becoming widespread imminent. Mist and fog patches also. Later becoming cloudy to fair with showers.
Visibility: Good, decreasing moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 18:00, Saturday 20 June 2026
Light to moderate, occasionally fresh, southwest to west winds, decreasing mostly light southwesterly or variable on Saturday morning. Remaining moderate southwest to west winds in the northwest. Weather: Cloudy to fair with scattered showers, becoming confined to the northwest on Saturday morning.
Forecast issued at: 18:00, Thursday 18 June 2026
All times are local unless specified
