Sea Area Forecast
Forecast valid from: 00:00, Tuesday 20 October 2026 until 00:00, Wednesday 21 October 2026
Small Craft Warning
1. South to southeast winds will reach force 6 or higher overnight and on Tuesday on Irish coasts from Mizen Head to Erris Head to Malin Head, veering northwesterly on Tuesday afternoon
2. South to southeast winds will reach force 6 or higher on Tuesday on coasts from Carnsore Pt to Roches Pt to Mizen Head, later veering northwesterly
Gale Warning
Northeasterly winds will reach gale force 8 or strong gale force 9 on Tuesday evening on Irish coastal waters from Roches Pt to Slyne Head to Rossan Pt
Meteorological Situation at 21:00 UTC
Ireland lies in a moderate to fresh east to southeast airflow due to an anticyclone centred over Scandinavia. A slack area of low pressure lies to the south of Ireland with weak troughs embedded in the flow. A more active front will move in from the west on Tuesday.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Mizen Head to Erris Head to Malin Head
Wind: Southeasterly force 4 to 6, increasing south to southeast force 5 to 7 imminent, soon increasing force 6 or 7, later veering northwesterly gale force 8 or strong gale force 9 south of Rossan Pt and decreasing force 6 or 7 by the end of the period
Weather: Fair. Rain developing on Tuesday morning clearing to showers on Tuesday night
Visibility: Good, decreasing moderate or poor in rain
Forecast for Malin Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: South to southeast force 4 or 5, later increasing force 5 or 6 on Tuesday evening
Weather: Fair. Rain developing on Tuesday evening and night
Visibility: Good, decresing moderate or poor in rain
Forecast for Carnsore Point to Roches Point to Mizen Head
Wind: South to southeast force 4 or 5, later increasing force 6 or 7, veering northwesterly in the evening and early night and occasionally reaching gale force 8 west of Roches Pt.
Weather: Fair. Rain developing on Tuesday afternoon, gradually clearing on Tuesday night with showers following
Visibility: Good decreasing moderate or poor in rain.
Outlook for a further 24 hours until 00:00, Thursday 22 October 2026
Fresh to strong northwesterly winds extending to all coasts and reaching gale force 8 or strong gale force 9 on eastern coasts, gradually decreasing moderate to fresh westerly. Rain clearing slowly to the northeast overnight and through Wednesday. Showers following from the west.
Forecast issued at: 00:00, Tuesday 20 October 2026
All times are local unless specified
