Sea Area Forecast
Forecast valid from: 18:00, Monday 16 March 2026 until 18:00, Tuesday 17 March 2026
Small Craft Warning
South or southwest winds will reach force 6 or higher throug the period on all Irish coasts.
Gale Warning
1. South to southwest winds will reach gale force 8 at times early tonight, overnight and Tuesday morning on Irish coastal waters from Valentia to Erris Head to Malin Head.
2. Southerly winds will also reach gale force 8 at times Tuesday morning and afternoon on Irish coastal waters from Fair Head to Carlingford Lough to Wicklow Head and on the Irish Sea.
Atlantic Swell
On all western and northern coasts for a time early tonight. Then, at times along Atlantic coasts.
Meteorological Situation at 15:00 UTC
Low pressure of 967hPa centred around 520 nautical miles northwest of Erris Head generates a fresh to near gale south to southwest airflow over Ireland. An associated warm front is clearing northeastwards over Britain.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Malin Head to Wicklow Head to Mizen Head and for the Irish Sea
Wind: Southerly force 5 or 6, occasionally force 7. Soon increasing force 6 or 7 and gusty. Later increasing force 6 to gale force 8 and gusty. Decreasing force 4 to 6 towards the end of the period but maintaining force 6 or 7 and gusty between Fair Head and Howth Head.
Weather: Mostly cloudy with patchy rain, drizzle and mist.
Visibility: Reducing moderate or poor in precipitation and mist.
Forecast for Mizen Head to Slyne Head to Malin Head
Wind: Increasing southwest force 6 to gale force 8 and gusty imminent. Soon increasing force 7 to gale force 8 and gusty. Later decreasing force 5 to 7 and gusty.
Weather: Mostly cloudy with patchy rain, drizzle and mist. More peristent rain developing later.
Visibility: Reducing moderate or poor in precipitation and mist.
Outlook for a further 24 hours until 18:00, Wednesday 18 March 2026
Moderate to near gale south or southwest winds, strongest in the northwest and northeast at first. Winds gradually easing light to moderate southerly or variable by Wednesday morning. Winds in the south and southwest will increase fresh to strong northeasterly on Wednesday afternoon and light to moderate occasionally fresh northeasterly elsewhere. Weather; Cloudy to fair with isolated showers in the north and west on Tuesday evening. Mostly cloudy elsewhere with patchy rain, drizzle and mist. Becoming cloudy in most parts by Wednesday morning with areas of mist and fog and patchy rain and drizzle extending northwestwards. Becoming cloudy to fair from the southeast towards the end of the period.
Forecast issued at: 18:00, Monday 16 March 2026
All times are local unless specified
