A yellow wind warning was issued by the Met Office for Northern Ireland on 29 October 2025, effective from 13:00 to 23:00 GMT. Gusts up to 50mph were expected across most areas, with higher speeds forecast over elevated and coastal regions.
Inflatable decorations in Belfast city centre were deflated for safety during the high wind period. The warning included expectations of heavy rain and possible travel disruption, including power outages and large coastal waves.
Halloween festivities in Londonderry were expected to proceed on Friday, though winds were forecast to remain strong, particularly near the coast. The Met Office noted that conditions would improve by Friday, allowing for some drier spells during the evening.