| 31 | 1500 TUE AUG 30 | Tropical Depression Katrina | 36.3N | 87.5W | NNE | 21 (18) | 985 (29.09) | 34 (30) |
| 30 | 0900 TUE AUG 30 | Tropical Storm Katrina | 34.7N | 88.4W | NNE | 18 (16) | 981 (28.97) | 52 (45) |
| 29 | 0300 TUE AUG 30 | Tropical Storm Katrina | 33.5N | 88.5W | NNE | 22 (19) | 973 (28.73) | 58 (50) |
| 28 | 2100 MON AUG 29 | Hurricane Katrina | 31.9N | 89.6W | N | 18 (16) | 960 (28.35) | 75 (65) |
| 27 | 1500 MON AUG 29 | Hurricane Katrina | 30.2N | 89.6W | N | 16 (14) | 927 (27.37) | 127 (110) |
| 26 | 0900 MON AUG 29 | Hurricane Katrina | 28.8N | 89.6W | N | 15 (13) | 915 (27.02) | 150 (130) |
| 25 | 0300 MON AUG 29 | Hurricane Katrina | 27.6N | 89.4W | NNW | 10 (9) | 904 (26.7) | 161 (140) |
| 24 | 2100 SUN AUG 28 | Hurricane Katrina | 26.9N | 89W | NW | 13 (11) | 902 (26.64) | 167 (145) |
| 23 | 1500 SUN AUG 28 | Hurricane Katrina | 26N | 88.1W | WNW | 12 (10) | 907 (26.78) | 173 (150) |
| 22 | 1200 SUN AUG 28 | Hurricane Katrina | 25.7N | 87.7W | WNW | 12 (10) | 908 (26.81) | 161 (140) |
| 21 | 0900 SUN AUG 28 | Hurricane Katrina | 25.4N | 87.4W | WNW | 10 (9) | 935 (27.61) | 144 (125) |
| 20 | 0600 SUN AUG 28 | Hurricane Katrina | 25.1N | 86.8W | WNW | 8 (7) | 935 (27.61) | 144 (125) |
| 19 | 0300 SUN AUG 28 | Hurricane Katrina | 25N | 86.2W | WNW | 7 (6) | 939 (27.73) | 115 (100) |
| 18 | 2100 SAT AUG 27 | Hurricane Katrina | 24.6N | 85.6W | W | 7 (6) | 945 (27.91) | 115 (100) |
| 17 | 1500 SAT AUG 27 | Hurricane Katrina | 24.5N | 85W | W | 7 (6) | 940 (27.76) | 115 (100) |
| 16 | 0900 SAT AUG 27 | Hurricane Katrina | 24.4N | 84.4W | W | 7 (6) | 945 (27.91) | 115 (100) |
| 15 | 0300 SAT AUG 27 | Hurricane Katrina | 24.6N | 83.6W | WSW | 8 (7) | 965 (28.5) | 104 (90) |
| 14 | 2100 FRI AUG 26 | Hurricane Katrina | 24.8N | 82.9W | WSW | 8 (7) | 965 (28.5) | 98 (85) |
| 13 | 1530 FRI AUG 26 | Hurricane Katrina | 25.1N | 82.2W | W | 7 (6) | 971 (28.67) | 98 (85) |
| 12 | 1500 FRI AUG 26 | Hurricane Katrina | 25.1N | 82.2W | W | 7 (6) | 981 (28.97) | 81 (70) |
| 11 | 0900 FRI AUG 26 | Hurricane Katrina | 25.3N | 81.5W | W | 5 (4) | 987 (29.15) | 75 (65) |
| 10 | 0300 FRI AUG 26 | Hurricane Katrina | 25.5N | 80.7W | SW | 8 (7) | 984 (29.06) | 75 (65) |
| 9 | 2100 THU AUG 25 | Hurricane Katrina | 26.1N | 79.9W | W | 6 (5) | 985 (29.09) | 75 (65) |
| 8 | 1500 THU AUG 25 | Tropical Storm Katrina | 26.2N | 79.3W | W | 6 (5) | 997 (29.44) | 58 (50) |
| 7 | 0900 THU AUG 25 | Tropical Storm Katrina | 26.2N | 78.7W | W | 8 (7) | 1000 (29.53) | 52 (45) |
| 6 | 0300 THU AUG 25 | Tropical Storm Katrina | 26N | 78W | W | 8 (7) | 1001 (29.56) | 52 (45) |
| 5 | 2100 WED AUG 24 | Tropical Storm Katrina | 25.6N | 77.2W | NW | 9 (8) | 1002 (29.59) | 46 (40) |
| 4 | 1500 WED AUG 24 | Tropical Storm Katrina | 24.7N | 76.7W | NNW | 8 (7) | 1006 (29.71) | 40 (35) |
| 3 | 0900 WED AUG 24 | Tropical Depression Twelve | 24N | 76.4W | NW | 7 (6) | 1006 (29.71) | 34 (30) |
| 2 | 0300 WED AUG 24 | Tropical Depression Twelve | 23.4N | 76W | NW | 7 (6) | 1007 (29.74) | 34 (30) |
| 1 | 2100 TUE AUG 23 | Tropical Depression Twelve | 23.2N | 75.5W | NW | 8 (7) | 1007 (29.74) | 34 (30) |