Page last updated Mon 1 Sep 2025

A long stormy season

There were 14 named storms during the 2023/24 storm season which runs from Friday 1 September 2023 to Saturday 31 August 2024 (inclusive). This season brought a succession of powerful systems from September in 2023 through to August 2024.

Agnes arrived at end of September 2023 and delivered strong gales across southern counties. Sherkin Island observed gusts of 117 km/h, Valentia recorded nearly 30 mm of rain, and seas off the Cork and Wexford coasts were just over 14 m. During October, Babet brought more than 55 mm rainfall at Cork Airport of in a single day.

A trio of named storms were observed in November. Ciarán had Atlantic waves up to 13.8 m and pressure dropped to 967 hPa. Days later, Elisa produced an 18.9 m wave west of Ireland, one of the highest observed of the season. Debi observed gusts up to 115 km/h inland at Athenry and brought heavy rain to Mayo. December brought four back-to-back systems. Elin and Fergus arrived on consecutive days, with Fergus producing 117 km/h gusts at Mace Head and 16 m seas off the south coast. By year's end, Storms Gerrit and Geraldine passed in rapid succession.

Violent storm Isha swept across the country, gusting to 137 km/h at Mace Head and generating 18 m Atlantic seas. Just two days later, storm force Jocelyn followed with the highest wave of the season, 19.2 m measured by Buoy M6 in the deep Atlantic. Quieter until Kathleen in April, produced 17 m seas and damaging winds along the west and north coasts. The season ended with Lilian in August and gale force winds for Ireland.

Name (Named by) Peak Impact Date		Highest sustained wind speed (km/h)	Highest gust wind speed (km/h)	Highest daily rainfall total (mm)	Daily air temperatures (°C)	Lowest mean sea level pressure (hPa)	Highest individual wave (m)
A	AGNES (Met Office, UK) Wed 27 Sep 2023	Strong Gale Force 85 km/h (46 knots | 53 mph) Roches Point (coastal), Co Cork 1 pm	117 km/h (63 knots | 72 mph) Sherkin Island (coastal), Co Cork at 3:08 pm	29.5 mm Valentia Observatory (coastal), Co Kerry	5.6°C at Mount Dillon, Co Roscommon to 18.9°C at Glasnevin, Co Dublin	975.9 hPa Valentia Observatory (coastal), Co Kerry 2 pm	14.2 m Buoy M3 (off Cork coast) and Buoy M5 (off the south Wexford coast)
B	BABET (Met Office, UK) Wed 18 Oct 2023	Gale Force 72 km/h (39 knots | 45 mph) Malin Head (coastal), Co Donegal around 8 pm	93 km/h (50 knots | 58 mph) Malin Head (coastal), Co Donegal at 11:26 pm	55.6 mm Cork Airport, Co Cork	6.0°C at Belderrig, Co Mayo to 16.5°C at Valentia Observatory, Co Kerry	977.2 hPa Valentia Observatory (coastal), Co Kerry around 1 am Thu	8.1 m Buoy M3 (off Cork coast) 05 UTC
C	CIARAN (Met Office, UK) Thu 2 Nov 2023	Near Gale 59 km/h (32 knots | 37 mph) Mace Head (coastal), Co Galway and Roches Point, Co Cork	80 km/h (43 knots | 49 mph) Mace Head (coastal), Co Galway at 6:03 am	6.2 mm Knock Airport, Co Mayo	-0.4°C at Markree Castle, Co Sligo to 12.8°C at 3 stations in Donegal and Mayo	967.2 hPa Johnstown Castle, Co Wexford around 1 am	13.8 m Buoy M6 (in the deep Atlantic) 23 UTC
-	ELISA (Météo France) Thu 9 Nov 2023	Gale Force 72 km/h (39 knots | 45 mph) Mace Head (coastal), Co Galway around 9 am	102 km/h (55 knots | 63 mph) Sherkin Island, Co Cork at 10:19 am	21.1 mm Newport, Co Mayo	2.0°C at Markree Castle, Co Sligo to 12.8°C at Sherkin Island, Co Cork	982.7 hPa Belmullet (coastal), Co Mayo around 7 am	18.9 m Buoy M6 (in the deep Atlantic) 07 UTC
D	DEBI (Met Éireann) Mon 13 Nov 2023	Strong Gale Force 81 km/h (44 knots | 51 mph) Mace Head (coastal), Co Galway 3 am	115 km/h (62 knots | 71 mph) Athenry, Co Galway at 4:40 am	45.9 mm Newport, Co Mayo	-0.2°C at Horseleap, Co Offaly to 14.4°C at Moore Park, Co Cork	971.1 hPa Ballyhaise, Co Cavan around 6 am	10.0 m Buoy M3 (off Cork coast) and Buoy M6 (in the deep Atlantic) around 22 UTC
E	ELIN (Met Éireann) Sat 9 Dec 2023	Strong Gale Force 81 km/h (44 knots | 51 mph) Mace Head (coastal), Co Galway 6 am	102 km/h (55 knots | 63 mph) Mace Head (coastal), Co Galway and Finner (coastal), Co Donegal at 8:04 am and 2:55 pm	26.4 mm Malin Head (coastal), Co Donegal	4.4°C at Cork Airport, Co Cork to 13.5°C at Valentia Observatory (coastal), Co Kerry	978.8 hPa Finner (coastal), Co Donegal around 8 am	9.5 m Buoy M4 (off Donegal coast) 17 UTC
F	FERGUS (Met Éireann) Sun 10 Dec 2023	Storm Force 91 km/h (49 knots | 56 mph) Mace Head (coastal), Co Galway 2 pm	117 km/h (63 knots | 72 mph) Mace Head (coastal), Co Galway at 2:41 pm	23.7 mm Newport, Co Mayo	3.8°C at Markree Castle, Co Sligo to 12.4°C at 2 stations in Cork and Kerry	974.7 hPa Newport, Co Mayo around 3 pm	15.9 m Buoy M3 (off Cork coast) 18 UTC
G	Gerrit (Met Office, UK) Wed 27 Dec 2023	Strong Gale Force 80 km/h (43 knots | 49 mph) Sherkin Island (coastal), Co Cork 9 pm	119 km/h (64 knots | 74 mph) Sherkin Island (coastal), Co Cork at 3:12 pm	31.4 mm Johnstown Castle, Co Wexford	-0.2°C at Athenry, Co Galway to 13.9°C at Phoenix Park, Co Dublin	980.4 hPa Malin Head (coastal), Co Donegal around 2 pm	15.3 m Buoy M3 (off Cork coast) 02 UTC
-	Geraldine (Météo France) Sun 31 Dec 2023	Strong Gale Force 78 km/h (42 knots | 48 mph) Malin Head (coastal), Co Donegal around 9 am Sat	111 km/h (60 knots | 69 mph) Sherkin Island, Co Cork at 10:58 am Sun	27.5 mm Claremorris, Co Mayo Sat	0.7°C at Knock Airport, Co Mayo to 11.3°C at 2 stations in Cork and Kerry	965.6 hPa Belmullet (coastal), Co Mayo around 2 am Sun	17.8 m Buoy M3 (off Cork coast) 19 UTC
H	Henk (Met Office, UK) Tue 2 Jan 2024	Strong Breeze 50 km/h (27 knots | 31 mph) Sherkin Island (coastal), Co Cork and Belmullet (coastal), Co Mayo	67 km/h (36 knots | 41 mph) Belmullet (coastal), Co Mayo	17.3 mm Valentia Observatory (coastal), Co Kerry	4.7°C at Mount Dillon, Co Roscommon to 11.9°C at Valentia Observatory (coastal), Co Kerry	974.8 hPa Malin Head (coastal), Co Donegal	8.2 m Buoy M3 (off Cork coast) 21 UTC 2nd
I	ISHA (Met Office, UK) Sun 21 Jan 2024	Violent Storm 106 km/h (57 knots | 66 mph) Mace Head (coastal), Co Galway 6 pm	137 km/h (74 knots | 85 mph) Mace Head (coastal), Co Galway at 6:30 pm	36.2 mm Claremorris, Co Mayo	4.1°C at Knock Airport, Co Mayo to 14.4°C at Athenry, Co Galway	963.4 hPa Malin Head (coastal), Co Donegal 9 pm	18.3 m Buoy M6 (in the deep Atlantic) 22 UTC
J	JOCELYN (Met Éireann) Tue 23 Jan 2024	Storm Force 96 km/h (52 knots | 60 mph) Mace Head (coastal), Co Galway 6 pm	122 km/h (66 knots | 76 mph) Mace Head (coastal), Co Galway at 6:08 pm	19.2 mm Valentia Observatory (coastal), Co Kerry	1.6°C at Mount Dillon, Co Roscommon to 14.8°C at Phoenix Park, Co Dublin	988.6 hPa Malin Head (coastal), Co Donegal 7 pm	19.2 m Buoy M6 (in the deep Atlantic) 21 UTC
K	KATHLEEN (Met Éireann) Sat 6 Apr 2024	Strong Gale Force 85 km/h (46 knots | 53 mph) Sherkin Island (coastal), Co Cork, Roches Point (coastal), Co Cork and Belmullet (coastal), Co Mayo	113 km/h (61 knots | 70 mph) Finner (coastal), Co Donegal at 3:26 pm	8.4 mm Belmullet (coastal), Co Mayo	6.3°C at Cork Airport (coastal), Co Cork to 16.2°C at Mount Dillon, Co Roscommon	966.7 hPa Belmullet (coastal), Co Mayo around 10 am	17.7 m Buoy M3 (off Cork coast) 11 UTC
L	Lilian (Met Office) Fri 23 Aug 2024	Gale Force 69 km/h (37 knots | 43 mph) Roches Point (coastal), Co Cork around 1 am	96 km/h (52 knots | 60 mph) Roches Point (coastal), Co Cork at 1:45 am	20.9 mm Valentia Observatory (coastal), Co Kerry Thu	8.8°C at Knock Airport, Co Mayo to 19.2°C at Oak Park, Co Carlow	985.5 hPa Casement Aerodrome, Co Dublin and Phoenix Park, Co Dublin around 2 am	9.5 m Buoy M3 (off Cork coast) around 00 UTC

The Name Our Storm campaign was first introduced by Met Éireann and the Met Office (UK) in 2015. Met Éireann and the Met Office were joined by the Royal Netherlands Meteorological Institute (KNMI) in its fifth storm season 2019/20.