Sea Area Forecast
Forecast valid from: 17:30, Tuesday 11 August 2026 until 18:00, Wednesday 12 August 2026
Small Craft Warning
Southerly winds will reach force 6 at times this evening (Tuesday) and early tonight on Irish coasts from Slyne Head to Erris Head to Rossan Point.
Gale Warning
Nil.
Meteorological Situation at 15:00 UTC
Ireland lies in a moderate to fresh southeasterly airflow between high pressure of 1028hPa centred to the east of England and a broad area of low pressure of 992hPa centred in the mid-Atlantic. Associated frontal troughs approach the west coast and will slowly move further eastwards.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Mizen Head to Slyne Head to Bloody Foreland
Wind: Southeast to south force 4 to 6. Later decreasing south force 3 to 5.
Weather: Cloudy with scattered rain or drizzle imminent. Occasional mist and fog.
Visibility: Mostly good. Decreasing moderate or poor in precipitation, mist and fog.
Forecast for Bloody Foreland to Fair Head to Howth Head and for the North Irish Sea
Wind: Mainly southeast to south force 4 or 5, occasionally decreasing variable force 3 or less.
Weather: Cloudy with isolated drizzle in the northwest, otherwise fair. Isolated showers and mist later.
Visibility: Mostly good. Decreasing moderate in any precipitation and mist.
Forecast for Howth Head to Hook Head to Mizen Head and for the South Irish Sea
Wind: Southeast to south or variable force 2 to 4.
Weather: Cloudy in the southwest with isolated rain and drizzle. Elsewhere mostly fair with isolated showers soon. Occasional mist and fog in the south.
Visibility: Mostly good. Decreasing moderate or poor in precipitation, mist and fog.
Outlook for a further 24 hours until 18:00, Thursday 13 August 2026
Moderate to fresh southerly winds in the west, veering southwest to west later. Light to moderate southeasterly or variable winds elsewhere, becoming moderate to fresh southwesterly in the south and southeast later. Weather: Cloudy or fair with scattered showers, mainly in the west and north. Mist and fog in the south and west.
Forecast issued at: 17:30, Tuesday 11 August 2026
All times are local unless specified
