Sea Area Forecast
Forecast valid from: 00:00, Friday 11 September 2026 until 00:00, Saturday 12 September 2026
Small Craft Warning
Southerly winds will reach force 6 tomorrow (Friday) evening and night on Irish coasts from Mizen Head to Erris Head to Fair Head.
Gale Warning
Southerly winds will reach gale force 8 at times tomorrow night (Friday night) on Irish coastal waters from Erris Head to Rossan Point to Bloody Foreland.
Meteorological Situation at 21:00 UTC
Ireland lies in a mostly moderate to fresh westerly airflow, generated by a broad and complex area of low pressure centred near Greenland and Iceland. A transient ridge extending from an anticyclone of 1025hPa centred near the Azores will build over the country.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Mizen Head to Slyne Head to Fair Head
Wind: Imminent decreasing west to northwest force 4 or 5. Soon decreasing westerly force 3 or 4. Later backing southerly and increasing force 6 or near gale force 7, and reaching gale force 8 at times.
Weather: Cloudy to fair with isolated showers. Later becoming cloudy with rain, turning heavy at times, and mist.
Visibility: Mostly good, reducing moderate or poor in rain and mist later.
Forecast for Fair Head to Carnsore Point to Mizen Head and for the Irish Sea
Wind: Imminent decreasing west to northwest force 3 to 5. Soon decreasing force 2 to 4. Later backing south to southwest and increasing force 4 or 5.
Weather: Cloudy to fair with isolated showers.
Visibility: Mostly good.
Outlook for a further 24 hours until 00:00, Sunday 13 September 2026
Strong to gale force southerly winds in the southwest, west, and northwest will gradually veer west to northwest and ease light to moderate through the period. Moderate to fresh south to southwest winds over the rest of the country will increase fresh to near gale force early Saturday, before decreasing moderate to fresh southwesterly through the second half of Saturday. Weather: Rain in the west and north, clearing southwards through the period, turning heavy at times.
Forecast issued at: 00:00, Friday 11 September 2026
All times are local unless specified
