Sea Area Forecast
Forecast valid from: 00:00, Saturday 19 September 2026 until 00:00, Sunday 20 September 2026
Small Craft Warning
Southwesterly winds, veering westerly, will reach force 6 at times on all Irish coasts tonight (Friday night), becoming confined to Irish coasts from Slyne Head to Malin Head to Fair Head tomorrow morning (Saturday).
Gale Warning
nil
Meteorological Situation at 21:00 UTC
Ireland lies in a mostly fresh to strong southwesterly airflow generated by a depression of 976hPa centred south of Iceland. An associated cold front clears southwards over the country.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Slyne Head to Malin Head to Howth Head and for the North Irish Sea
Wind: Southwesterly force 5 to 7. Soon decreasing force 4 to 6 south of Fair Head. Later veering westerly.
Weather: Cloudy with patches of rain, drizzle and mist. Imminent becoming cloudy to fair with scattered showers.
Visibility: Reducing moderate or poor in precipitation or mist.
Forecast for Howth Head to Mizen Head to Slyne Head and for the South Irish Sea
Wind: Southwesterly force 5 or 6, occasionally touching force 7. Soon decreasing force 4 to 6. Later veering westerly force 4 or 5.
Weather: Cloudy with outbreaks of rain, drizzle and mist. Imminent becoming cloudy to fair with isolated showers.
Visibility: Reducing moderate or poor in precipitation or mist.
Outlook for a further 24 hours until 00:00, Monday 21 September 2026
Fresh to strong westerly winds over the northern half of the country will ease light to moderate and back southerly through the period, increasing fresh to strong in the northwest by the end of the period. Moderate to fresh westerly winds over the southern half of the country will ease light to moderate and back southerly through the period. Weather: Cloud thickening from the southwest through the period with patches of rain, drizzle and mist.
Forecast issued at: 00:00, Saturday 19 September 2026
All times are local unless specified
