Réamhaisnéis limistear na farraige

Forecast valid from: 18:00, Tuesday 15 September 2026 until 18:00, Wednesday 16 September 2026

Small Craft Warning

1. Northwest winds will reach force 6 at times this evening (Tuesday) on Irish coasts from Roches Point to Erris Head to Belfast Lough.

2. Southwest winds will reach force 6 or higher tomorrow afternoon (Wednesday) on Irish coasts from Mizen Head to Erris Head to Fair Head.

Gale Warning

nil

Meteorological Situation at 15:00 UTC

Ireland lies in a fresh to strong and unstable northwesterly airflow between an anticyclone of 1039hPa to the north of the Azores and a depression of 995hPa to the northeast of Scotland.

Small Craft Warning: In effect

Heavy Swell (>4m) : No

Wave Height Forecast

Forecast for Roches Point to Erris Head to Belfast Lough

Wind: Northwest force 5 or 6 and gusty. Soon decreasing west to northwest force 4 or 5. Later backing southwest. Increasing force 5 or 6, occasionally force 7, by the end of the period.

Weather: Mostly fair with scattered showers, heavy at times.

Visibility: Good, decreasing moderate or poor in showers.

Forecast for Belfast Lough to Wicklow Head to Roches Point and for the Irish Sea

Wind: Northwest force 4 to 6. Later decreasing westerly force 3 to 5. Backing southwest by the end of the period.

Weather: Mostly fair with scattered showers, heavy at times.

Visibility: Good, decreasing moderate or poor in showers.

Outlook for a further 24 hours until 18:00, Thursday 17 September 2026

Fresh to near gale southwest winds. Veering westerly on Thursday morning. Weather: Rain extending from the west on Wednesday night. Clearing to scattered showers, some heavy, on Thursday morning.

Forecast issued at: 18:00, Tuesday 15 September 2026

All times are local unless specified