Alert | N° | Date (UTC) | Max Winds (km/h) | Population in Tropical Storm or higher | Population in Cat 1. or higher | Countries |
| 1 | 22 Sep 2018 15:00 | 93 | No people | No people | |
| 2 | 22 Sep 2018 21:00 | 93 | 290 thousand | No people | Barbados |
| 3 | 23 Sep 2018 03:00 | 93 | 290 thousand | No people | Barbados |
| 4 | 23 Sep 2018 09:00 | 93 | 480 thousand | No people | Barbados, Saint Lucia, Saint Vincent and the Grenadines, Grenada |
| 5 | 23 Sep 2018 15:00 | 93 | 560 thousand | No people | Barbados, Saint Lucia, Saint Vincent and the Grenadines |
| 6 | 23 Sep 2018 21:00 | 93 | 610 thousand | No people | Barbados, Saint Lucia, Martinique, Saint Vincent and the Grenadines |
| 7 | 24 Sep 2018 03:00 | 65 | 610 thousand | No people | Barbados, Saint Lucia, Saint Vincent and the Grenadines, Grenada |
| 8 | 24 Sep 2018 09:00 | 74 | 580 thousand | No people | Barbados, Saint Lucia, Saint Vincent and the Grenadines, Grenada |
| 9 | 24 Sep 2018 15:00 | 65 | No people | No people | |
| 10 | 26 Sep 2018 09:00 | 83 | 1.5 million | No people | Barbados, Saint Lucia, Martinique, Saint Vincent and the Grenadines, Dominica, Guadeloupe, Montserrat |
| 11 | 26 Sep 2018 15:00 | 83 | 1.5 million | No people | Barbados, Saint Lucia, Saint Vincent and the Grenadines, Martinique, Dominica, Guadeloupe, Montserrat |
| 12 | 26 Sep 2018 21:00 | 93 | 1.5 million | No people | Barbados, Saint Lucia, Martinique, Saint Vincent and the Grenadines, Dominica, Guadeloupe, Montserrat, Virgin Islands, U.S. |
| 13 | 27 Sep 2018 03:00 | 83 | 1.2 million | No people | Barbados, Saint Lucia, Martinique, Saint Vincent and the Grenadines, Dominica, Guadeloupe |
| 14 | 27 Sep 2018 09:00 | 83 | 1.4 million | No people | Barbados, Saint Lucia, Martinique, Saint Vincent and the Grenadines, Dominica, Guadeloupe |
| 15 | 27 Sep 2018 15:00 | 83 | 1.3 million | No people | Barbados, Saint Lucia, Martinique, Saint Vincent and the Grenadines, Dominica, Guadeloupe |
| 16 | 27 Sep 2018 21:00 | 83 | 1.4 million | No people | Martinique, Saint Lucia, Barbados, Saint Vincent and the Grenadines, Dominica, Guadeloupe |
| 17 | 28 Sep 2018 03:00 | 83 | 1.2 million | No people | Saint Lucia, Saint Vincent and the Grenadines, Martinique, Dominica, Grenada, Barbados, Guadeloupe |