Sea Area Forecast
Forecast valid from: 23:00, Sunday 30 August 2026 until 23:00, Monday 31 August 2026
Small Craft Warning
Northwest winds will reach force 6 at times tonight on all Irish coasts, becoming mostly confined to northeastern coasts by early afternoon tomorrow (Monday).
Southwest winds will reach force 6 at times Monday evening on coasts from Slyne Head to Erris Head to Malin Head.
Gale Warning
Nil.
Atlantic Swell
No.
Meteorological Situation at 21:00 UTC
A freshening northwest airflow covers Ireland, as a depression of 1001hpa, centred over the Irish Sea ,moves away eastwards. A weak weather front will approach the northwest coast later.
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Loop Head to Erris Head to Malin Head
Wind: Northwesterly force 5 or 6 and gusty. Soon backing west to southwest force 4 or 5. Later Increasing southwest force 5 or 6 .
Weather: Cloudy to fair with isolated showers. Showery rain developing later.
Visibility: Good. Decreasing moderate to poor in rain or showers.
Forecast for Malin Head to Howth Head to Carnsore Point and for the Irish Sea
Wind: West to northwest or variable force 3 to 5, increasing northwest force 5 or 6 imminent and soon. Backing west to southwest force 4 or 5 later.
Weather: Cloudy to fair, with widespread heavy showers. Cloudy to fair soon with isolated showers.
Visibility: Good. Decreasing moderate to poor in showers.
Forecast for Carnsore Point to Roches Point to Loop Head
Wind: Northwesterly force 5 or 6. Soon backing westerly force 4 or 5.
Weather: Cloudy to fair with isolated showers.
Visibility: Mostly good. Decreasing moderate to poor in showers.
Outlook for a further 24 hours until 23:00, Tuesday 01 September 2026
Moderate to fresh west to southwest winds, strong at times in the north. Winds easing later in the north, with strengthening southerly winds developing in the southwest. Occasional rain in the north and west, becoming more widespread, and heavy in the southwest later.
Forecast issued at: 23:00, Sunday 30 August 2026
All times are local unless specified
