Sea Area Forecast
Forecast valid from: 18:00, Thursday 20 August 2026 until 18:00, Friday 21 August 2026
Small Craft Warning
Northerly winds will reach force 6 at times this afternoon and evening on Irish coasts from Roches Point to Erris Head to Fair Head.
Gale Warning
Nil.
Meteorological Situation at 15:00 UTC
Ireland lies in a mostly fresh to strong unstable northerly airflow, between low pressure of 997hpa centred over Scandinavia and high pressure of 1028hPa centred in the mid-Atlantic.
Small Craft Warning: In effect
Heavy Swell (>4m) : No
Forecast for Roches Point to Slyne Head to Fair Head
Wind: Northerly force 5 or 6. Soon decreasing force 4 to 5
Weather: Fair to cloudy with scattered showers.
Visibility: Mostly good.
Forecast for Fair Head to Wicklow Head to Roches Point and for the Irish Sea
Wind: North to northwest force 4 to 5, locally force 6 later on the south Irish Sea.
Weather: Fair to cloudy with scattered showers, some heavy this evening.
Visibility: Moderate in any heavy showers, otherwise good.
Outlook for a further 24 hours until 18:00, Saturday 22 August 2026
Winds decreasing light to moderate, variable for west and southwest sea areas, with mostly moderate to fresh northerly winds elsewhere. Cloudy for west and northwest areas with mostly fair weather elsewhere. \n\n
Forecast issued at: 18:00, Thursday 20 August 2026
All times are local unless specified
