Sea Area Forecast
Forecast valid from: 12:00, Friday 16 January 2026 until 12:00, Saturday 17 January 2026
Small Craft Warning
South to southeast winds will reach force 6 or higher at times today on Irish coasts from Fair Head to Wicklow Head to Roches Point, becoming confined tonight to Irish coasts from Fair Head to Howth Head to Carnsore Point.
Gale Warning
Nil
Atlantic Swell
On Atlantic coasts for a time today.
Meteorological Situation at 09:00 UTC
A mature depression of 994hPa, centred approximately 120 nautical miles west of Slyne Head, extends a moderate to strong south to southeast airflow over Ireland. Frontal troughs are embedded in the flow.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Irish coastal waters from Fair Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: South to southeast force 4 to 6 and gusty. Later gradually decreasing southeasterly force 3 to 5.
Weather: Cloudy to fair with scattered showers, heavy at times with a chance of hail and isolated thunderstorms.
Visibility: Good, decreasing moderate or poor in precipitation.
Forecast for Irish coastal waters from Carnsore Point to Roche's Point to Mizen Head
Wind: South to southwest force 4 or 5, occasionally reaching force 6. Soon veering westerly force 3 to 5. Later decreasing cyclonic variable force 3 or less.
Weather: Cloudy to fair with scattered showers, heavy at times with a chance of hail and isolated thunderstorms. Mist and fog patches possible later.
Visibility: Good, decreasing moderate or poor in precipitation, mist and fog.
Forecast for Irish coastal waters from Mizen Head to Erris Head to Fair Head
Wind: Southeasterly or cyclonic variable force 3 or 4, occasionally reaching force 5. Later becoming north to northeast.
Weather: Cloudy to fair with scattered showers, heavy at times with a chance of hail and isolated thunderstorms. Mist and fog patches possible later.
Visibility: Good, decreasing moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 12:00, Sunday 18 January 2026
Light to moderate, occasionally fresh, cyclonic variable winds, becoming southeasterly or variable on Saturday night. Increasing moderate to fresh southerly winds on Sunday morning. Weather: Mostly fair with scattered showers. Mist and fog patches too. Becoming cloudy from the west on Sunday morning.
Forecast issued at: 12:00, Friday 16 January 2026
All times are local unless specified
