Sea Area Forecast
Forecast valid from: 00:00, Monday 14 September 2026 until 00:00, Tuesday 15 September 2026
Small Craft Warning
South to southwest winds will reach force 6 from early on Monday on Irish coasts from Mizen Head to Slyne Head to Malin Head, extending to remaining sea areas later in the day.
Gale Warning
nil
Meteorological Situation at 21:00 UTC
A depression of 990hPa centred on the south coast of Iceland generates a moderate southwesterly airflow over Ireland. Associated fronts will approach western areas on Monday morning as the flow strengthens.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Roches Point to Slyne Head to Malin Head
Wind: South to southwest force 4 or 5. Increasing force 4 to 6 imminent. Later veering westerly.
Weather: Cloudy with outbreaks of rain and drizzle imminent heavy at times. Areas of fog and mist.
Visibility: Decreasing moderate or poor in precipitation, fog or mist.
Forecast for Malin Head to Howth Head to Roches Point and for the Irish Sea
Wind: South to southwest force 3 or 4, occasionally reaching force 5. Later increasing force 4 to 6, becoming force 5 or 6 by the end of the period.
Weather: Cloudy to fair with isolated drizzle. Outbreaks of rain and drizzle later. Mist and fog.
Visibility: Decreasing moderate or poor in precipitation, fog or mist
Outlook for a further 24 hours until 00:00, Wednesday 16 September 2026
Moderate to strong west to southwest winds gradually veering west to northwest by Tuesday afternoon. Weather: Cloudy to fair with rain at first clearing to scattered showers on Monday night.
Forecast issued at: 00:00, Monday 14 September 2026
All times are local unless specified
