| 21 | 0900 TUE AUG 25 | Post-Tropical Cyclone Marco | 28.8N | 91.2W | W | 10 (9) | 1008 (29.77) | 30 (26) |
| 20 | 0300 TUE AUG 25 | Tropical Depression Marco | 29N | 89.8W | W | 9 (8) | 1007 (29.74) | 35 (30) |
| 19 | 2100 MON AUG 24 | Tropical Storm Marco | 29N | 88.9W | NW | 7 (6) | 1008 (29.77) | 40 (35) |
| 18 | 1800 MON AUG 24 | Tropical Storm Marco | 28.7N | 88.6W | NW | 6 (5) | 1008 (29.77) | 40 (35) |
| 17 | 1500 MON AUG 24 | Tropical Storm Marco | 28.5N | 88.5W | NNW | 8 (7) | 1006 (29.71) | 50 (43) |
| 16A | 1200 MON AUG 24 | Tropical Storm Marco | 28.1N | 88.4W | NW | 10 (9) | 1005 (29.68) | 50 (43) |
| 16 | 0900 MON AUG 24 | Tropical Storm Marco | 27.6N | 88.2W | NW | 10 (9) | 1003 (29.62) | 60 (52) |
| 15A | 0600 MON AUG 24 | Tropical Storm Marco | 27.2N | 87.9W | NNW | 12 (10) | 1002 (29.59) | 65 (56) |
| 15 | 0300 MON AUG 24 | Tropical Storm Marco | 26.8N | 87.6W | NNW | 12 (10) | 1000 (29.53) | 70 (61) |
| 14A | 0000 MON AUG 24 | Hurricane Marco | 26.4N | 87.6W | NNW | 13 (11) | 991 (29.26) | 75 (65) |
| 14 | 2100 SUN AUG 23 | Hurricane Marco | 25.8N | 87.8W | NNW | 13 (11) | 991 (29.26) | 75 (65) |
| 13A | 1800 SUN AUG 23 | Hurricane Marco | 25.3N | 87.4W | NNW | 14 (12) | 992 (29.29) | 75 (65) |
| 13 | 1500 SUN AUG 23 | Tropical Storm Marco | 24.7N | 87.3W | NNW | 14 (12) | 993 (29.32) | 70 (61) |
| 12A | 1200 SUN AUG 23 | Tropical Storm Marco | 24.2N | 87.1W | NNW | 13 (11) | 993 (29.32) | 70 (61) |
| 12 | 0900 SUN AUG 23 | Tropical Storm Marco | 23.7N | 87W | NNW | 13 (11) | 994 (29.35) | 70 (61) |
| 11A | 0600 SUN AUG 23 | Tropical Storm Marco | 23.1N | 86.6W | NNW | 13 (11) | 994 (29.35) | 70 (61) |
| 11 | 0300 SUN AUG 23 | Tropical Storm Marco | 22.8N | 86.3W | NNW | 13 (11) | 994 (29.35) | 65 (56) |
| 10A | 0000 SUN AUG 23 | Tropical Storm Marco | 22.3N | 86W | NNW | 13 (11) | 994 (29.35) | 65 (56) |
| 10 | 2100 SAT AUG 22 | Tropical Storm Marco | 21.9N | 85.7W | NNW | 13 (11) | 992 (29.29) | 65 (56) |
| 10 | 2100 SAT AUG 22 | Tropical Storm Marco | 21.9N | 85.7W | NNW | 13 (11) | 992 (29.29) | 65 (56) |
| 9A | 1800 SAT AUG 22 | Tropical Storm Marco | 21.4N | 85.5W | NNW | 12 (10) | 992 (29.29) | 65 (56) |
| 9 | 1500 SAT AUG 22 | Tropical Storm Marco | 20.9N | 85.3W | NNW | 12 (10) | 992 (29.29) | 65 (56) |
| 8A | 1200 SAT AUG 22 | Tropical Storm Marco | 20.2N | 85.2W | NNW | 12 (10) | 1002 (29.59) | 50 (43) |
| 8 | 0900 SAT AUG 22 | Tropical Storm Marco | 19.6N | 85.4W | NNW | 12 (10) | 1005 (29.68) | 45 (39) |
| 7A | 0600 SAT AUG 22 | Tropical Storm Marco | 19.1N | 85.2W | NNW | 13 (11) | 1005 (29.68) | 40 (35) |
| 7 | 0300 SAT AUG 22 | Tropical Storm Marco | 18.7N | 84.9W | NNW | 13 (11) | 1003 (29.62) | 40 (35) |
| 6A | 0000 SAT AUG 22 | Tropical Depression Fourteen | 18.3N | 84.7W | NW | 13 (11) | 1009 (29.8) | 35 (30) |
| 6 | 2100 FRI AUG 21 | Tropical Depression Fourteen | 17.7N | 84.3W | NW | 13 (11) | 1008 (29.77) | 35 (30) |
| 5A | 1800 FRI AUG 21 | Tropical Depression Fourteen | 17.4N | 84.1W | NW | 14 (12) | 1008 (29.77) | 35 (30) |
| 5 | 1500 FRI AUG 21 | Tropical Depression Fourteen | 16.6N | 84.1W | NW | 14 (12) | 1008 (29.77) | 35 (30) |
| 4A | 1200 FRI AUG 21 | Tropical Depression Fourteen | 16.2N | 84.2W | WNW | 12 (10) | 1008 (29.77) | 35 (30) |
| 4 | 0900 FRI AUG 21 | Tropical Depression Fourteen | 15.4N | 83.1W | WNW | 12 (10) | 1007 (29.74) | 35 (30) |
| 3A | 0600 FRI AUG 21 | Tropical Depression Fourteen | 15N | 82.7W | WNW | 14 (12) | 1007 (29.74) | 35 (30) |
| 3 | 0300 FRI AUG 21 | Tropical Depression Fourteen | 14.9N | 82.2W | WNW | 14 (12) | 1007 (29.74) | 35 (30) |
| 2A | 0000 FRI AUG 21 | Tropical Depression Fourteen | 14.7N | 81.7W | W | 17 (15) | 1007 (29.74) | 35 (30) |
| 2 | 2100 THU AUG 20 | Tropical Depression Fourteen | 14.3N | 81W | W | 18 (16) | 1007 (29.74) | 35 (30) |
| 1A | 1800 THU AUG 20 | Tropical Depression Fourteen | 15.4N | 80W | W | 18 (16) | 1007 (29.74) | 35 (30) |
| 1 | 1500 THU AUG 20 | Tropical Depression Fourteen | 15.1N | 79.7W | W | 21 (18) | 1007 (29.74) | 35 (30) |