Idalia was a Cat 4 Atlantic tropical cyclone that existed from August 26 to September 8, 2023 (14 days). It reached peak winds of 132 mph (115 kt) and a minimum central pressure of 942 mb. The storm made 2 landfalls during its lifetime.
The National Hurricane Center's official post-storm analysis is published as a detailed PDF report — meteorological history, casualties, damage assessment, forecast performance, and synoptic discussion.
Read NHC's full report on Idalia → (opens at nhc.noaa.gov)| Time (UTC) | Status | Lat | Lon | Winds (kt) | Pressure (mb) | Record |
|---|---|---|---|---|---|---|
| 2023-08-26 12:00 | TD | 20.80 | -86.10 | 25 | 1006 | |
| 2023-08-26 18:00 | TD | 21.30 | -86.20 | 25 | 1006 | |
| 2023-08-27 00:00 | TD | 21.10 | -86.40 | 30 | 1004 | |
| 2023-08-27 06:00 | TD | 20.50 | -86.80 | 30 | 1002 | Landfall |
| 2023-08-27 12:00 | TS | 19.90 | -86.30 | 35 | 999 | |
| 2023-08-27 18:00 | TS | 19.90 | -85.80 | 40 | 996 | |
| 2023-08-28 00:00 | TS | 19.80 | -85.40 | 45 | 992 | |
| 2023-08-28 06:00 | TS | 19.90 | -85.20 | 55 | 989 | |
| 2023-08-28 12:00 | TS | 20.60 | -85.20 | 55 | 989 | |
| 2023-08-28 18:00 | TS | 21.20 | -85.20 | 60 | 986 | |
| 2023-08-29 00:00 | TS | 21.80 | -85.10 | 60 | 984 | |
| 2023-08-29 06:00 | HU | 22.60 | -85.00 | 65 | 981 | |
| 2023-08-29 12:00 | HU | 23.80 | -84.80 | 70 | 978 | |
| 2023-08-29 18:00 | HU | 25.30 | -84.80 | 80 | 973 | |
| 2023-08-30 00:00 | HU | 26.90 | -84.70 | 90 | 965 | |
| 2023-08-30 06:00 | HU | 28.30 | -84.50 | 105 | 945 | |
| 2023-08-30 09:00 | HU | 29.10 | -84.10 | 115 | 942 | I |
| 2023-08-30 11:45 | HU | 29.90 | -83.60 | 100 | 950 | Landfall |
| 2023-08-30 12:00 | HU | 30.00 | -83.50 | 100 | 954 | |
| 2023-08-30 18:00 | TS | 31.50 | -82.50 | 60 | 981 | |
| 2023-08-31 00:00 | TS | 32.70 | -80.90 | 50 | 985 | |
| 2023-08-31 06:00 | TS | 33.50 | -78.90 | 50 | 990 | |
| 2023-08-31 12:00 | EX | 33.70 | -77.00 | 55 | 990 | |
| 2023-08-31 18:00 | EX | 33.60 | -74.60 | 55 | 993 | |
| 2023-09-01 00:00 | EX | 33.40 | -72.30 | 55 | 996 | |
| 2023-09-01 06:00 | EX | 32.70 | -70.50 | 50 | 997 | |
| 2023-09-01 12:00 | EX | 32.30 | -68.80 | 50 | 998 | |
| 2023-09-01 18:00 | EX | 32.10 | -67.10 | 50 | 999 | |
| 2023-09-02 00:00 | EX | 31.90 | -65.70 | 50 | 999 | |
| 2023-09-02 06:00 | EX | 31.80 | -64.70 | 50 | 999 | |
| 2023-09-02 12:00 | EX | 31.80 | -63.90 | 50 | 998 | |
| 2023-09-02 18:00 | EX | 31.80 | -63.10 | 50 | 997 | |
| 2023-09-03 00:00 | EX | 32.00 | -62.20 | 50 | 996 | |
| 2023-09-03 06:00 | EX | 32.50 | -61.30 | 50 | 994 | |
| 2023-09-03 12:00 | EX | 33.40 | -60.50 | 50 | 992 | |
| 2023-09-03 18:00 | EX | 34.90 | -59.70 | 55 | 990 | |
| 2023-09-04 00:00 | EX | 36.20 | -58.90 | 60 | 988 | |
| 2023-09-04 06:00 | EX | 37.60 | -58.00 | 60 | 985 | |
| 2023-09-04 12:00 | EX | 39.20 | -57.50 | 55 | 985 | |
| 2023-09-04 18:00 | EX | 40.50 | -57.90 | 55 | 986 | |
| 2023-09-05 00:00 | EX | 41.10 | -58.70 | 50 | 986 | |
| 2023-09-05 06:00 | EX | 41.60 | -59.10 | 50 | 986 | |
| 2023-09-05 12:00 | EX | 42.20 | -59.30 | 45 | 986 | |
| 2023-09-05 18:00 | EX | 42.60 | -59.80 | 40 | 987 | |
| 2023-09-06 00:00 | EX | 42.60 | -60.50 | 35 | 988 | |
| 2023-09-06 06:00 | EX | 42.60 | -61.40 | 35 | 991 | |
| 2023-09-06 12:00 | EX | 42.60 | -62.00 | 35 | 992 | |
| 2023-09-06 18:00 | EX | 42.60 | -62.80 | 35 | 994 | |
| 2023-09-07 00:00 | EX | 42.90 | -62.90 | 30 | 996 | |
| 2023-09-07 06:00 | EX | 43.00 | -62.10 | 30 | 998 | |
| 2023-09-07 12:00 | EX | 43.20 | -61.10 | 30 | 1000 | |
| 2023-09-07 18:00 | EX | 43.60 | -60.10 | 30 | 1001 | |
| 2023-09-08 00:00 | EX | 44.30 | -59.30 | 30 | 1002 | |
| 2023-09-08 06:00 | EX | 45.20 | -58.30 | 30 | 1003 |
Source: NOAA National Hurricane Center HURDAT2 best-track database (nhc.noaa.gov/data). Data is in the public domain. Best-track positions and intensities are post-storm reanalysis estimates and may differ from real-time advisories.