Sea Area Forecast
Forecast valid from: 00:00, Monday 26 October 2026 until 00:00, Tuesday 27 October 2026
Small Craft Warning
Southerly winds will reach force 6 or higher on all Irish coasts during the period.
Gale Warning
1. Southerly winds becoming south to southwest will reach gale force 8 at times overnight and Monday morning on Irish coastal waters from Valentia to Slyne Head to Rossan Point and from Malin Head to Carlingford Lough to Carnsore Point and on the Irish Sea.
2. South to southwest winds will increase to gale force 8 or strong gale force 9 later on all Irish coastal waters and on the Irish Sea.
Atlantic Swell
On Atlantic coasts overnight
Meteorological Situation at 21:00 UTC
A mainly moderate to strong west to southwest airflow covers Ireland under a transient ridge of high pressure. A warm front, associated with a low-pressure system of 981hPa centred approximately 640 nautical miles west of Slyne Head, approaches the southwest coast.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Belfast Lough to Carlingford Lough to Carnsore Point and for the Irish Sea
Wind: Southwest to west force 4 to 6. Imminent backing south to southeast. Soon increasing southerly force 6 to gale force 8. Later increasing force 7 to strong gale force 9.
Weather: Rain, drizzle and mist imminent, easing for a time later with further spells of rain spreading from the west towards the end of the period.
Visibility: Reducing moderate or poor in precipitation and mist, otherwise good.
Forecast for Carnsore Point to Mizen Head to Erris Head
Wind: Southerly force 6 to gale force 8 imminent. Soon becoming south to southwest. Later increasing force 7 to strong gale force 9 and veering southwest by the end of the period.
Weather: Rain, drizzle and mist will continue to spread from the southwest, easing for a time from late morning. Further rain will extend from the Atlantic later, possibly turning heavy at times.
Visibility: Reducing moderate or poor in precipitation and mist, otherwise good.
Forecast for Erris Head to Malin Head to Belfast Lough
Wind: Southwest to west force 4 to 6. Imminent backing south to southeast and increasing force 5 to 7 and gusty. Soon increasing force 6 to gale force 8. Later veering south to southwest.
Weather: Rain, drizzle and mist imminent, easing for a time later before further spells of rain spread from the Atlantic.
Visibility: Reducing moderate or poor in precipitation and mist, otherwise good.
Outlook for a further 24 hours until 00:00, Wednesday 28 October 2026
Strong to gale force southwesterly winds on all coasts, occasionally touching strong gale force in the northwest early on Tuesday. Winds will veer southwest to west Tuesday morning and gradually decrease strong to near gale, but will continue to reach gale force at times in the northwestern sea areas. Weather; Rain clearing eastwards with showers following from the west, some heavy with a chance of isolated thunderstorms.
Forecast issued at: 00:00, Monday 26 October 2026
All times are local unless specified
