Sea Area Forecast
Forecast valid from: 12:00, Sunday 19 October 2025 until 12:00, Monday 20 October 2025
Small Craft Warning
Cyclonic variable winds will reach force 6 at times this evening, tonight and tomorrow morning on Irish coasts from Carnsore Point to Roches Point to Loop Head.
Gale Warning
Nil
Atlantic Swell
for a time today and tonight on southwestern coasts.
Meteorological Situation at 09:00 UTC
Low Pressure of 974hPa centred approximately 250 nautical miles west of Mace Head extends a strong southeasterly air-flow over Ireland, active frontal troughs are embedded in the flow.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Malin Head to Carlingford Lough to Carnsore Point and for the Irish Sea
Wind: Southeast force 5 to 7. Decreasing south to southeast force 4 to 6 imminent. Later becoming east to southeast force 3 to 5.
Weather: Rain, drizzle and mist. Scattered showers soon.
Visibility: Decreasing moderate to poor in precipitation.
Forecast for Irish coastal waters from Carnsore Point to Roche's Point to Valentia
Wind: Southwest force 4 to 6. Becoming south to southwest force 5 to 7 imminent. Becoming cyclonic variable force 5 to 7 later. Becoming west to northwest force 5 to 7 later Monday morning.
Weather: Scattered showers and isolated thunderstorms.
Visibility: Decreasing moderate to poor in precipitation.
Forecast for Irish coastal waters from Valentia to Loop Head to Erris Head
Wind: South to southeast force 5 or 6. Soon becoming east force 4 or 5. Later becoming north force 5 or 6. Becoming northwest force 4 or 5 later Monday morning.
Weather: Scattered showers and isolated thunderstorms.
Visibility: Decreasing moderate to poor in precipitation.
Forecast for Irish coastal waters from Erris Head to Rossan Point to Malin Head
Wind: Southeast force 4 to 6. Decreasing southeast or variable force 2 to 4 imminent. Later becoming north or variable force 2 to 4.
Weather: Rain, drizzle and mist. Scattered showers imminent.
Visibility: Decreasing moderate to poor in precipitation.
Outlook for a further 24 hours until 12:00, Tuesday 21 October 2025
Fresh to strong west to northwest developing, except in the northeast where winds will remain mostly moderate. Weather; Showers, some heavy with isolated thunderstorms possible in the south and east, easing on Monday evening. Rain and drizzle developing in the west and northwest early on Tuesday.
Forecast issued at: 12:00, Sunday 19 October 2025
All times are local unless specified
