| May 27 18:00 | TD low/wave | 29 mph | 1008 mb | 12.9°N 97.3°W | open ocean |
| May 28 00:00 | TD | 35 mph | 1006 mb | 12.8°N 97.7°W | open ocean |
| May 28 06:00 | TS | 40 mph | 1004 mb | 12.9°N 97.9°W | open ocean |
| May 28 12:00 | TS | 46 mph | 1002 mb | 13.2°N 97.9°W | open ocean |
| May 28 18:00 | TS | 58 mph | 998 mb | 13.6°N 98.2°W | 174 mi SSW of Puerto Escondido, Oaxaca, Mexico |
| May 29 00:00 | TS | 63 mph | 996 mb | 13.8°N 98.8°W | 178 mi SSW of Río Grande, Oaxaca, Mexico |
| May 29 06:00 | Cat 1 | 75 mph | 992 mb | 13.9°N 99.1°W | 183 mi SSW of Pinotepa Nacional, Oaxaca, Mexico |
| May 29 12:00 | Cat 1 | 86 mph | 981 mb | 14.0°N 99.1°W | 176 mi SSW of Pinotepa Nacional, Oaxaca, Mexico |
| May 29 18:00 | Cat 2 | 109 mph | 964 mb | 14.0°N 98.9°W | 171 mi SSW of Pinotepa Nacional, Oaxaca, Mexico |
| May 30 00:00 | Cat 2 | 109 mph | 964 mb | 14.3°N 98.5°W | 138 mi SSW of Río Grande, Oaxaca, Mexico |
| May 30 06:00 | Cat 2 | 104 mph | 968 mb | 14.6°N 98.0°W | 105 mi SSW of Río Grande, Oaxaca, Mexico |
| May 30 12:00 | Cat 2 | 98 mph | 979 mb | 15.0°N 97.4°W | 64 mi SSW of Puerto Escondido, Oaxaca, Mexico |
| May 30 18:00 | Cat 2 | 104 mph | 974 mb | 15.4°N 96.9°W | 34 mi SSE of Puerto Escondido, Oaxaca, Mexico |
| May 30 21:00 | Cat 2 LANDFALL | 104 mph | 971 mb | 15.7°N 96.6°W | 9 mi WSW of San Pedro Pochutla, Oaxaca, Mexico |
| May 31 00:00 | Cat 1 | 81 mph | 983 mb | 15.9°N 96.4°W | 12 mi NNE of San Pedro Pochutla, Oaxaca, Mexico |
| May 31 06:00 | TS | 58 mph | 998 mb | 16.5°N 95.8°W | 39 mi WNW of Santo Domingo Tehuantepec, Oaxaca, Mexico |
| May 31 12:00 | TD | 35 mph | 1004 mb | 17.0°N 95.3°W | 19 mi WNW of Matías Romero Avendaño, Oaxaca, Mexico |
| May 31 18:00 | TD low/wave | 23 mph | 1005 mb | 17.7°N 94.9°W | 13 mi SSE of Sayula de Alemán, Veracruz, Mexico |
| Jun 1 00:00 | TD low/wave | 23 mph | 1006 mb | 18.0°N 94.7°W | near Jáltipan de Morelos, Veracruz, Mexico |
| Jun 1 06:00 | TD low/wave | 23 mph | 1007 mb | 18.3°N 94.6°W | 15 mi NW of Coatzacoalcos, Veracruz, Mexico |