Alert | N° | Date (UTC) | Max Winds (km/h) | Population in Tropical Storm or higher | Population in Cat 1. or higher | Countries |
| 1 | 25 May 2018 15:00 | 102 | 3.6 million | No people | Mexico, Cuba, United States |
| 2 | 25 May 2018 21:00 | 102 | 5.2 million | No people | Mexico, Belize, Cuba, United States |
| 3 | 26 May 2018 03:00 | 102 | 5.5 million | No people | Mexico, Belize, Cuba, United States |
| 4 | 26 May 2018 09:00 | 102 | 6.8 million | No people | Mexico, Cuba, Belize, United States |
| 5 | 26 May 2018 15:00 | 102 | 11.1 million | No people | Cuba, Mexico, Belize, United States |
| 6 | 26 May 2018 21:00 | 102 | 7.3 million | No people | Cuba, Mexico, United States, Belize |
| 7 | 27 May 2018 03:00 | 102 | 8.3 million | No people | Cuba, Mexico, United States, Belize |
| 8 | 27 May 2018 09:00 | 93 | 17.2 million | No people | Cuba, United States, Mexico, Belize |
| 9 | 27 May 2018 15:00 | 93 | 9.1 million | No people | United States, Cuba, Mexico, Belize |
| 10 | 27 May 2018 21:00 | 83 | 6 million | No people | United States, Cuba, Mexico, Belize |
| 11 | 28 May 2018 01:00 | 102 | 6.6 million | No people | United States, Cuba, Mexico, Belize |
| 12 | 28 May 2018 03:00 | 102 | 7.3 million | No people | United States, Cuba, Mexico, Belize |
| 13 | 28 May 2018 09:00 | 102 | 9.8 million | No people | United States, Cuba, Mexico, Belize |
| 14 | 28 May 2018 15:00 | 93 | 6.7 million | No people | United States, Cuba, Mexico, Belize |
| 15 | 28 May 2018 21:00 | 74 | 6.1 million | No people | United States, Cuba, Mexico, Belize |
| 16 | 29 May 2018 03:00 | 56 | 5.7 million | No people | United States, Cuba, Mexico, Belize |
| 17 | 29 May 2018 09:00 | 46 | 5.7 million | No people | United States, Cuba, Mexico, Belize |