Sea Area Forecast

Forecast valid from: 00:00, Thursday 16 July 2026 until 00:00, Friday 17 July 2026

Small Craft Warning

Nil

Gale Warning

Nil

Meteorological Situation at 21:00 UTC

An anticyclone of 1032 hPa, centred in the nearby Atlantic, steers a moderate to fresh northerly airflow across the country.

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Mizen Head to Slyne Head to Fair Head

Wind: Northerly force 4 or 5. Later increasing force 5 or 6.

Weather: Some mist or fog for north and northwest sea areas, otherwise mostly fair.

Visibility: Moderate or poor in mist or fog. Otherwise, good.

Forecast for Fair Head to Howth Head to Carnsore Point and for the Irish Sea

Wind: Northwesterly mainly force 3 to 4. Later increasing force 4 or 5.

Weather: Mainly fine.

Visibility: Good.

Forecast for Carnsore Point to Roches Point to Mizen Head

Wind: Variable mainly northerly force 3 or less.

Weather: Mainly fine. Isolated mist patches.

Visibility: Mostly good.

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

Fair with mostly fresh, occasionally strong, northerly winds. Winds will be mostly moderate and variable for southern areas.

Forecast issued at: 00:00, Thursday 16 July 2026

All times are local unless specified