Réamhaisnéis limistear na farraige
Forecast valid from: 06:00, Tuesday 18 November 2025 until 06:00, Wednesday 19 November 2025
Small Craft Warning
Westerly winds veering northwest to north will reach force 6 or higher on Irish coasts from Loop Head to Malin Head to Wicklow Head, extending to all coasts this afternoon.
Gale Warning
Northerly winds will reach gale force 8 at times on Irish coastal waters from Erris Head to Bloody Foreland to Belfast Lough later this afternoon until Wednesday morning.
Meteorological Situation at 03:00 UTC
A shallow but deepening depression of 1013hPa centred just to the northwest of Scotland is generating a moderate to fresh, occasionally strong, westerly airflow over Ireland. Associated fronts will track southwards over the country during the period.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : Nil
Forecast for Irish coastal waters from Slyne Head to Malin head to Howth Head and for the North Irish Sea
Wind: Westerly force 5 or 6. Imminent increasing west to northwest force 5 to 7 and gusty. Soon veering northwest to north and increasing to gale force 8 at times. Later increasing northerly force 6 to gale force 8, but decreasing force 6 or 7 at the end of the period.
Weather: Rain, drizzle and mist imminent clearing southeastwards followed by showers, some heavy with a chance of hail and isolated thunderstorms near the north coast, and on the South Irish Sea later.
Visibility: Moderate or poor in precipitation and mist, otherwise good.
Forecast for Irish coastal waters from Howth Head to Roches Point to Slyne Head and for the South Irish Sea
Wind: Westerly force 4 or 5. Imminent veering northwest. Soon increasing force 5 or 6, occasionally force 7 and gusty. Later veering northwest to north and increasing force 6 to gale force 8.
Weather: Rain, drizzle and mist imminent clearing southeastwards followed by showers, some heavy with a chance of hail and isolated thunderstorms near the north coast, and on the South Irish Sea later.
Visibility: Moderate or poor in precipitation and mist, otherwise good.
Outlook for a further 24 hours until 06:00, Thursday 20 November 2025
Strong to near gale northerly winds, occasionally touching gale force 8 in the southeast at first. Winds decreasing fresh to strong in the west and southwest on Wednesday morning, but continuing mostly strong to near gale elsewhere. Weather; Scattered showers, some of hail and sleet with isolated thunderstorms possible near the north coast and on the Irish Sea. Otherwise fair.
Forecast issued at: 06:00, Tuesday 18 November 2025
All times are local unless specified
