The incident happened off Wexford's Hook Head this evening.
The father of four in his forties was taking part in an underwater search for a fisherman who went missing from a trawler off the Saltee Islands yesterday morning.
The alert was raised shortly after noon today as he returned to the surface after a dive.
He was treated by colleagues at the scene and airlifted to University Hospital Waterford where he has since been pronounced dead.
Performance Report Offers Praise & Flags Areas Of Improvement for Wicklow County Council
Wicklow is strong on housing vacancy and online motor tax, but re-letting times and retrofits lag behind national picture, reports NOAC.
UPDATE: Three Car Collision Cleared from the N11 at Glen Of The Downs
The northbound lanes approaching Delgany have reopened.
Over 50 Free Events, Performances & Workshops For Wicklow Culture Night
Wicklow Culture Night 2026 Is Here!!!!
Penalty Points Drive Up Insurance Costs for 16,000 Wicklow Drivers
More than 12,500 Wicklow drivers have three points, 294 have 9 points, and 41 are on 12 points, the threshold for disqualification.
Irish Farming Could Face 'Cliff Edge' With One In Three Farmers Planning Exit
One in Three Farmers Plan to Leave Within Five Years, Survey Reveals
Sunny intervals
High: 18°C | Low: 11°C
Medium-level cloud
High: 19°C | Low: 11°C
Sunny intervals
High: 19°C | Low: 8°C
Sunny intervals
High: 17°C | Low: 8°C
Sunny intervals
High: 18°C | Low: 9°C
