Sea Area Forecast

Forecast valid from: 17:00, Thursday 06 August 2026 until 18:00, Friday 07 August 2026

Small Craft Warning

1. Southwesterly winds will reach force 6 at times tonight (Thursday night) and tomorrow (Friday) on Irish coasts from Erris Head to Bloody Foreland to Malin Head. 2. Southerly winds will reach force 6 at times tomorrow afternoon (Friday) on Irish coasts from Howth Head to Wicklow Head to Carnsore Point.

Gale Warning

nil

Meteorological Situation at 15:00 UTC

An anticyclone of 1028hPa centred to the south of Ireland extends a ridge of high pressure north over the country. Weather fronts associated with a depression of 1004hPa centred southwest of Iceland lie to the northwest of the country.

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Loop Head to Rossan Point to Fair Head

Wind: Southwesterly force 4 or 5. Soon increasing force 4 to 6.

Weather: Mostly cloudy with scattered showers.

Visibility: Mostly good but reducing moderate or poor in showers.

Forecast for Fair Head to Belfast Lough to Howth Head and for the North Irish Sea

Wind: Imminent increasing southwest to west force 3 or 4. Later increasing south to southwest force 4 or 5.

Weather: Cloudy to fair with isolated showers.

Visibility: Generally good.

Forecast for Howth Head to Carnsore Point to Loop Head and for the South Irish Sea

Wind: Imminent decreasing southwest to west force 3 or 4. Soon decreasing westerly or variable force 2 to 4. Later increasing south or southwest force 3 or 4, but force 4 to 6 between Howth Head and Carnsore Point.

Weather: Cloudy to fair with isolated showers.

Visibility: Generally good.

Outlook for a further 24 hours until 18:00, Saturday 08 August 2026

Moderate to strong south to southwest winds in the west and north. Light to fresh south to southwest winds elsewhere, occasionally strong in the east. Weather: Outbreaks of rain and drizzle developing in the west on Friday night and spreading eastwards across the country through Saturday.

Forecast issued at: 17:00, Thursday 06 August 2026

All times are local unless specified