Tropical Storm Isaac moved from near western Haiti and the eastern tip of Cuba late on August 24, 2012, through the Florida Straits, and into the southeast Gulf of Mexico through August 27.   The center passed within 40 nautical miles to the south southwest of Key West during the late afternoon hours of Sunday, August 26.

Tropical Storm in MONROE/UPPER KEYS, FLORIDA
From 25-AUG-12 07:00:00 to 27-AUG-12 04:00:00 (EST-5)
Property damage: 625.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The collective effects of Tropical Storm Isaac during the period of August 24 through 27, resulted in over 2.1 million dollars in damages for the Florida Keys of Monroe County.  Within the overall total, including damages and expenditures for Tropical Storm Isaac operations, approximately 40,000 dollars was due to wind damage.
The center of Tropical Storm Isaac passed approximately 40 nautical miles to the south southwest of Key West the afternoon of August 26.
Maximum Storm Tides in the Upper Florida Keys of Monroe County were estimated near 2 feet above mean lower low water on the oceanside.
The minimum pressure measured in the Upper Florida Keys of Monroe County was 1000.2 mb on Upper Matecumbe Key.
Maximum sustained winds in the Upper Florida Keys of Monroe County were measured at 36 mph at a Florida Department of Transportation Test Pad on Tea Table Key, with peak gusts to 54 mph at an automated Weatherflow station on Upper Matecumbe Key.
Rainfall totals in the Upper Keys of Monroe County ranged from 3.90 inches at in Key Largo to 7.94 inches on Upper Matecumbe Key.

Coastal Flood in MONROE/LOWER KEYS, FLORIDA
From 27-AUG-12 05:30:00 to 27-AUG-12 07:30:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Coastal Flooding reported to be approximately two feet normal than astronomical tide. Water inundated residential street to about one foot in depth.

Tropical Storm in MONROE/MIDDLE KEYS, FLORIDA
From 25-AUG-12 04:00:00 to 27-AUG-12 07:00:00 (EST-5)
Property damage: 775.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The collective effects of Tropical Storm Isaac during the period of August 24 through 27, resulted in over 2.1 million dollars in damages for the Florida Keys of Monroe County.  Within the overall total, including damages and expenditures for Tropical Storm Isaac operations, over 200,000 dollars was directly associated with coastal flooding damage within the City of Key West and approximately 150,000 dollars due to wind damage.
The center of Tropical Storm Isaac passed approximately 40 nautical miles to the south southwest of Key West the afternoon of August 26.
Maximum Storm Tides in the Middle Florida Keys of Monroe County were measured at 1.87 feet above mean lower low water at Vaca Key near the U.S. Coast Guard Station Marathon, with estimates up to 2.25 feet above mean lower low water on the oceanside at Marathon and Key Colony Beach.
The minimum pressure measured in the Middle Florida Keys of Monroe County was 1000.0 mb at an automated Citizen Weather Observing Station on Long Key.
Maximum sustained winds in the Middle Florida Keys of Monroe County were measured at 44 mph at an automated Citizen Weather Observing Station on Long Key, with peak gusts to 59 mph.
Rainfall totals in the Middle Keys of Monroe County ranged from 2.82 inches at the Marathon Florida Keys Airport to 3.83 inches at Curry Hammock State Park.

Tropical Storm in MONROE/LOWER KEYS, FLORIDA
From 25-AUG-12 06:00:00 to 27-AUG-12 02:00:00 (EST-5)
Property damage: 770.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The collective effects of Tropical Storm Isaac during the period of August 24 through 27, resulted in over 2.1 million dollars in damages for the Florida Keys of Monroe County.  Within the overall total, including damages and expenditures for Tropical Storm Isaac operations, over 300,000 dollars was directly associated with coastal flooding damage within the City of Key West and approximately 130,000 dollars due to wind damage.
The center of Tropical Storm Isaac passed approximately 40 nautical miles to the south southwest of Key West the afternoon of August 26.
Maximum Storm Tides in the Lower Florida Keys of Monroe County were measured at 2.92 feet above mean lower low water at Key West Harbor, with estimates up to 3.25 feet above mean lower low water on the oceanside at Key West.
The minimum pressure measured in the Lower Florida Keys of Monroe County was 997.3 mb at both Key West International Airport and the Naval Air Station Key West.
Maximum sustained winds in the Lower Florida Keys of Monroe County were measured at 41 mph at Cudjoe Key, 40 mph at the Naval Air Station Key West, and 39 mph at Key West International Airport.  Peak gusts of 54 mph were measured at the Key West International Airport and the U.S. Coast Guard Sector Key West.
Rainfall totals in the Lower Keys of Monroe County ranged from near 1.25 inches at the Naval Air Station Key West to 3.26 inches at Big Pine Key.