1987 season

Tropical Storm Irwin (1987)

Aug 3, 6:00 PM UTC – Aug 9, 6:00 AM UTC (5.5 days)

Peak
Tropical Storm
Max sustained wind
65 mph (55 kt)
Lowest pressure
—
Landfalls
0

Track

  • Hurricane
  • Tropical Storm
  • Tropical Depression
  • Other
  • Large white-ringed dots: landfall
Every track point (23)
UTCStatusPositionWind ktmbNote
1987-08-03 18:00TD10.1°N 90.2°W30—
1987-08-04 00:00TS10.4°N 90.9°W35—
1987-08-04 06:00TS10.8°N 91.7°W35—
1987-08-04 12:00TS11.4°N 92.4°W35—
1987-08-04 18:00TS12.0°N 93.1°W45—
1987-08-05 00:00TS12.6°N 93.8°W45—
1987-08-05 06:00TS12.9°N 94.4°W50—
1987-08-05 12:00TS13.2°N 95.0°W45—
1987-08-05 18:00TS13.4°N 95.7°W45—
1987-08-06 00:00TS13.7°N 96.4°W50—
1987-08-06 06:00TS14.1°N 97.0°W50—
1987-08-06 12:00TS14.7°N 98.1°W45—
1987-08-06 18:00TS15.3°N 99.1°W55—
1987-08-07 00:00TS15.8°N 100.2°W55—
1987-08-07 06:00TS16.2°N 101.3°W55—
1987-08-07 12:00TS16.5°N 102.1°W55—
1987-08-07 18:00TS16.9°N 103.0°W55—
1987-08-08 00:00TS17.1°N 104.0°W55—
1987-08-08 06:00TS17.2°N 105.0°W55—
1987-08-08 12:00TS17.2°N 105.6°W55—
1987-08-08 18:00TS17.2°N 106.4°W55—
1987-08-09 00:00TS17.2°N 107.1°W45—
1987-08-09 06:00TD17.2°N 107.9°W25—

From the National Hurricane Center's best-track archive (HURDAT2), its post-season reanalysis; values can differ from the advisories issued at the time. Source: hurdat2-1851-2025-092326.txt, hurdat2-nepac-1949-2025-092926.txt.