Sea Area Forecast
Forecast valid from: 12:00, Saturday 19 September 2026 until 12:00, Sunday 20 September 2026
Small Craft Warning
West to southwest winds will reach force 6 or 7 this afternoon and evening (Saturday) on coasts from Slyne Head to Erris Head to Fair Head, becoming confined tonight to coasts from Erris Head to Bloody Foreland to Fair Head
Gale Warning
Nil
Meteorological Situation at 09:00 UTC
Depressions between Iceland and Norway generate a fresh to strong westerly airflow over Ireland. An associated cold front lies to the south of Ireland.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Slyne Head to Rossan Point to Fair Head
Wind: Westerly force 6 or 7, decreasing force 5 to 7 imminent, strongest in the north, later decreasing force 4 to 6, further decreasing force 3 to 5 on Sunday morning.
Weather: Scattered showers
Visibility: Good, decreasing moderate or poor in showers
Forecast for Fair Head to Carlingford Lough to Howth Head and for the North Irish Sea
Wind: West to southwest force 4 or 5 and reaching force 6 or 7 on the Irish Sea, later increasing force 5 to 7, then decreasing force 4 or 5 on Sunday morning.
Weather: Scattered showers
Visibility: Good, decreasing moderate or poor in showers
Forecast for Howth Head to Roches Point to Slyne Head and for the South Irish Sea
Wind: West to southwest force 4 or 5, occasionally force 6 off the south coast, soon becoming westerly force 4 or 5, later decreasing west to northwest force 3 or 4, becoming southerly or variable on Sunday morning.
Weather: Well scattered showers, mainly in the west. Mist and drizzle developing in the southwest overnight and on Sunday morning.
Visibility: Good, decreasing moderate or poor in any showers and in mist and drizzle.
Outlook for a further 24 hours until 12:00, Monday 21 September 2026
Light to moderate southerly winds, increasing moderate to fresh, occasionally strong on west and northwest coasts. Patchy light rain, drizzle and mist spreading northeastwards.
Forecast issued at: 12:00, Saturday 19 September 2026
All times are local unless specified
