Réamhaisnéis limistear na farraige
Forecast valid from: 17:30, Sunday 18 October 2026 until 18:00, Monday 19 October 2026
Small Craft Warning
Northerly winds veering easterly will reach force 6 at times tomorrow on Irish coasts from Howth Head to Carnsore Point to Roches Point.
Gale Warning
Nil
Meteorological Situation at 15:00 UTC
Ireland lies in a light to moderate anticyclonic variable airflow with an area of high pressure of 1038hPa centred over Scandinavia. A shallow depression will approach the country from the southeast tomorrow.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Belfast Lough to Howth Head to Mizen Head and for the Irish Sea
Wind: East to northeast force 3 to 5, soon becoming northeast force 4 to 6. Later veering easterly.
Weather: Fair, soon becoming cloudy with rain and drizzle. Isolated mist and fog patches possible. Later becoming cloudy to fair with scattered showers.
Visibility: Good, decreasing moderate or poor in precipitation, mist and fog.
Forecast for Mizen Head to Erris Head to Belfast Lough
Wind: Southerly or variable force 2 to 4. Later becoming southeasterly force 3 to 5.
Weather: Cloudy to fair with patches of mist and fog. Isolated patches of light rain and drizzle later.
Visibility: Good, decreasing moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 18:00, Tuesday 20 October 2026
Moderate to strong southeasterly winds, becoming fresh to near gale force cyclonic variable on Tuesday afternoon. Possibly reaching gale force in the west and southwest. Weather: Cloudy to fair with scattered showers. Becoming cloudy with rain on Tuesday, possibly heavy at times.
Forecast issued at: 17:30, Sunday 18 October 2026
All times are local unless specified
