Sea Area Forecast
Forecast valid from: 12:00, Sunday 17 May 2026 until 12:00, Monday 18 May 2026
Small Craft Warning
Westerly winds will reach force 6 or higher at times today (Sunday) on Irish coasts from Carnsore Point to Mizen Head to Erris Head.
Gale Warning
Nil.
Atlantic Swell
High to the west coast from Mizen Head to Loop Head to Erris Head until Sunday evening.
Meteorological Situation at 09:00 UTC
Ireland lies in a moderate to strong westerly airflow generated by a depression of 992hPa centred to the northeast of Iceland. An associated broad complex trough lies over the west of Ireland.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Fair Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: Southwest force 3 or 4, increasing force 4 or 5 imminent. Soon veering westerly force 3 or 4, and occasionally force 5. Later easing westerly or variable 3 or less. Backing southerly or variable by the end of the period.
Weather: Cloudy to fair with scattered showers, heavy at times with the chance of thunderstorms and hail. Showers will become more isolated later with mist and fog patches.
Visibility: Reducing moderate or poor in all precipitation, mist and fog.
Forecast for Carnsore Point to Roches Point to Loop Head
Wind: Westerly force 5 or 6. Soon veering west to northwest force 3 to 5, remaining force 4 to 6 between Hook Head and Valentia. Later easing southerly or variable force 3 or less. Increasing south to southeast force 3 or 4 by the end of the period.
Weather: Cloudy to fair with scattered showers, heavy at times with the chance of thunderstorms and hail. Becoming cloudy with rain and drizzle later.
Visibility: Reducing moderate or poor in all precipitation.
Forecast for Loop Head to Rossan Point to Fair Head
Wind: Westerly force 4 or 5, and occasionally force 6. Soon veering north to northwest or variable force 3 or less. Later becoming southerly or variable force 3 or less. Increasing southeasterly force 3 or 4 and occasionally force 5 by the end of the period.
Weather: Cloudy to fair with scattered showers, heavy at times with the chance of thunderstorms and hail. Showers will become more isolated later with mist and fog patches.
Visibility: Reducing moderate or poor in all precipitation, mist and fog.
Outlook for a further 24 hours until 12:00, Tuesday 19 May 2026
Southerly or variable winds will back southeasterly and strength moderate to fresh from the west on Monday morning. Southeasterly winds will continue to increase fresh to strong throughout the day extending to all coasts at times. Moderate to fresh winds will veer west to southwest on Tuesday and strengthen strong and gusty along southern and eastern coasts. Weather: Cloudy with rain and drizzle, heavy at times.
Forecast issued at: 12:00, Sunday 17 May 2026
All times are local unless specified
