| Jun 16 | 15:00 GMT | 27 | -98 | 30 °mph | 1,007 °mb | Potential Tropical Cyclone | -- |
| Jun 16 | 18:00 GMT | 27.1 | -97.8 | 30 °mph | 1,006 °mb | Potential Tropical Cyclone | -- |
| Jun 16 | 21:00 GMT | 27.3 | -97.6 | 30 °mph | 1,005 °mb | Potential Tropical Cyclone | -- |
| Jun 17 | 00:00 GMT | 27.6 | -97.3 | 30 °mph | 1,004 °mb | Potential Tropical Cyclone | -- |
| Jun 17 | 03:00 GMT | 27.6 | -97.1 | 30 °mph | 1,004 °mb | Potential Tropical Cyclone | -- |
| Jun 17 | 06:00 GMT | 27.7 | -97.2 | 30 °mph | 1,004 °mb | Potential Tropical Cyclone | -- |
| Jun 17 | 09:00 GMT | 28 | -96.7 | 30 °mph | 1,003 °mb | Potential Tropical Cyclone | -- |
| Jun 17 | 12:00 GMT | 28.3 | -96.2 | 30 °mph | 1,002 °mb | Potential Tropical Cyclone | -- |
| Jun 17 | 15:00 GMT | 28.6 | -95.8 | 40 °mph | 1,001 °mb | Tropical Storm | -- |
| Jun 17 | 16:30 GMT | 28.8 | -95.5 | 45 °mph | 999 °mb | Tropical Storm | -- |
| Jun 17 | 18:00 GMT | 28.9 | -95.7 | 45 °mph | 1,000 °mb | Tropical Storm | -- |
| Jun 17 | 21:00 GMT | 28.9 | -96.1 | 45 °mph | 1,001 °mb | Tropical Storm | -- |