Sea Area Forecast
Forecast valid from: 12:00, Sunday 23 August 2026 until 12:00, Monday 24 August 2026
Small Craft Warning
Nil
Gale Warning
Nil
Meteorological Situation at 09:00 UTC
An anticyclone of 1028 hPa centred over Ireland, maintains a light to moderate anticyclonic variable airflow over the country.
Heavy Swell (>4m) : No
Forecast for Fair Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: Northerly force 3 or less, soon becoming north to northeast and occasionally reaching force 4 south of Howth Head, later becoming easterly on Monday morning
Weather: Fair. Localised mist or fog possible
Visibility: Good, decreasing moderate or poor in any mist or fog.
Forecast for Carnsore Point to Roches Point to Valentia
Wind: Easterly force 2 to 4, later becoming east to northeast force 3 or 4, occasionally reaching force 5, backing easterly towards the end of the period.
Weather: Fair. Localised mist or fog possible
Visibility: Good, decreasing moderate or poor in any mist or fog.
Forecast for Valentia to Erris Head to Fair Head
Wind: Southeast to south force 3 or less, soon becoming east to southeast, later occasionally reaching force 4 north of Erris Head
Weather: Fair. Localised mist or fog possible
Visibility: Good, decreasing moderate or poor in any mist or fog.
Outlook for a further 24 hours until 12:00, Tuesday 25 August 2026
Moderate to fresh easterly winds on southern coasts. Light to moderate easterly winds on western and northern coasts increasing moderate to fresh east to southeast on Tuesday morning. Light to moderate north to northeast winds on eastern coasts, increasing moderate to fresh easterly on Monday night. Mainly fair. Scattered showers developing on south and west coasts.
Forecast issued at: 12:00, Sunday 23 August 2026
All times are local unless specified
