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Page built 2026-10-14
Data as of 2026-10-12
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Built 2026-10-14 (14 October 2026)

2023 North Atlantic Season

19 named storms in the 2023 North Atlantic season, 146.8 ACE in total, with tracks and ACE for each storm.

Data as of . Last revised (2026-10-12).

Key Facts

  • 19 named storms are listed for the 2023 North Atlantic season.
  • Their accumulated cyclone energy totals 146.8 ACE.
  • The strongest was Lee with peak winds of 145 kt (269 km/h, 167 mph).

Tracks

Tracks of the 2023 North Atlantic season 19 storm tracks from the 2023 season, coloured by intensity.
19 storm tracks from the 2023 season, coloured by intensity. Made with Natural Earth and IBTrACS.
Tracks of the 2023 North Atlantic season: tracks drawn on the map
StormFirst position (lat, lon)Last position (lat, lon)Track points
Lee12.2, -39.653.0, -42.0108
Franklin12.8, -60.543.1, -20.3170
Tammy12.9, -51.024.6, -50.6106
Margot15.5, -26.037.8, -42.791
Nigel13.6, -42.261.5, -23.391
Philippe15.5, -36.628.7, -65.5106
Idalia20.8, -86.145.2, -58.3104
Don36.5, -55.550.4, -24.5115
Bret10.7, -37.313.0, -70.944
Gert14.7, -46.639.4, -50.8133
Cindy10.4, -39.922.5, -59.933
Rina15.6, -44.526.7, -55.631
Jose27.7, -51.737.4, -49.831
Ophelia28.5, -76.038.9, -76.928
Katia14.9, -21.311.8, -48.8133
Sean9.6, -30.218.4, -52.249
Emily15.4, -32.932.4, -48.655
Harold24.7, -89.229.7, -103.317
Arlene26.4, -85.923.3, -83.029

ACE by Storm

Accumulated cyclone energy by storm, 2023 North Atlantic
Lee36.7 ACE
Franklin26.4 ACE
Tammy17.4 ACE
Margot12.5 ACE
Nigel10.5 ACE
Philippe9.6 ACE
Idalia7.1 ACE
Don6.7 ACE
Bret4.5 ACE
Gert2.7 ACE
Cindy2.5 ACE
Rina2.2 ACE
Jose1.8 ACE
Ophelia1.5 ACE
Katia1.3 ACE
Sean1.3 ACE
Emily0.9 ACE
Harold0.6 ACE
Arlene0.5 ACE

Storms

Named storms of the 2023 North Atlantic season
StormBasinSeasonPeak windLowest pressureCategoryACE
LeeNorth Atlantic2023145 kt (269 km/h, 167 mph)926 hPaC536.7 ACE
FranklinNorth Atlantic2023130 kt (241 km/h, 150 mph)926 hPaC426.4 ACE
TammyNorth Atlantic202395 kt (176 km/h, 109 mph)965 hPaC217.4 ACE
MargotNorth Atlantic202380 kt (148 km/h, 92 mph)969 hPaC112.5 ACE
NigelNorth Atlantic202385 kt (157 km/h, 98 mph)958 hPaC210.5 ACE
PhilippeNorth Atlantic202350 kt (93 km/h, 58 mph)998 hPaTS9.6 ACE
IdaliaNorth Atlantic2023115 kt (213 km/h, 132 mph)942 hPaC47.1 ACE
DonNorth Atlantic202365 kt (120 km/h, 75 mph)986 hPaC16.7 ACE
BretNorth Atlantic202360 kt (111 km/h, 69 mph)996 hPaTS4.5 ACE
GertNorth Atlantic202350 kt (93 km/h, 58 mph)998 hPaTS2.7 ACE
CindyNorth Atlantic202350 kt (93 km/h, 58 mph)1,004 hPaTS2.5 ACE
RinaNorth Atlantic202345 kt (83 km/h, 52 mph)999 hPaTS2.2 ACE
JoseNorth Atlantic202355 kt (102 km/h, 63 mph)996 hPaTS1.8 ACE
OpheliaNorth Atlantic202360 kt (111 km/h, 69 mph)981 hPaTS1.5 ACE
KatiaNorth Atlantic202350 kt (93 km/h, 58 mph)998 hPaTS1.3 ACE
SeanNorth Atlantic202340 kt (74 km/h, 46 mph)1,005 hPaTS1.3 ACE
EmilyNorth Atlantic202345 kt (83 km/h, 52 mph)998 hPaTS0.9 ACE
HaroldNorth Atlantic202350 kt (93 km/h, 58 mph)995 hPaTS0.6 ACE
ArleneNorth Atlantic202335 kt (65 km/h, 40 mph)998 hPaTS0.5 ACE

Sources: Source: International Best Track Archive for Climate Stewardship (IBTrACS) v04r01, NOAA National Centers for Environmental Information, doi:10.25921/82ty-9e16. Some agency values come from third parties such as JMA, IMD and BoM. (NOAA NCEI terms (citation requested)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-12. Storm records are best tracks and can be revised by the agencies.