Réamhaisnéis limistear na farraige

Forecast valid from: 00:00, Thursday 17 July 2025 until 00:00, Friday 18 July 2025

Small Craft Warning

1) Southerly winds veering southwesterly will reach force 6 at times on Thursday on Irish coasts from Carnsore Point to Mizen Head to Erris Head. 2) Southeasterly winds veering southerly will reach force 6 at times on Thursday on Irish coasts from Malin Head to Belfast Lough to Carlingford Lough.

Gale Warning

Nil

Meteorological Situation at 21:00 UTC

Ireland lies in a light to moderate southerly airflow, with low pressure of 1003hpa centred approximately 380 nautical miles to the west of Loop Head. Associated frontal troughs are embedded in the flow.

Small Craft Warning: In effect

Heavy Swell (>4m) : Nil

Wave Height Forecast

Forecast for Irish coastal waters from Fair Head to Howth Head to Hook Head and for the Irish Sea

Wind: Southeast force 3 or 4. Soon increasing force 4 or 5, touching force 6 at times.

Weather: Cloudy with outbreaks of rain soon. Areas of mist and fog soon. Later cloudy to fair.

Visibility: Moderate to poor in precipitation, mist and fog.

Forecast for Irish coastal waters from Hook Head to Slyne Head to Fair Head

Wind: South force 3 or 4 imminent, touching force 6 at times. Later veering west to southwest.

Weather: Cloudy with rain and thunderstorms. Areas of mist and fog. Soon becoming cloudy to fair with showers.

Visibility: Moderate to poor in precipitation, mist and fog.

Outlook for a further 24 hours until 00:00, Saturday 19 July 2025

Moderate to fresh southwest winds, decreasing light to moderate on Friday evening. Weather: Cloudy to fair with showers.

Forecast issued at: 00:00, Thursday 17 July 2025

All times are local unless specified