The coordinates you provided, latitude: 30.23846626, longitude: -89.61598206, are not in Wisconsin but in Mississippi, United States. Additionally, these coordinates are not for the East Pearl Hwy 90 boat launch, but for a location near the city of Gulfport.
Without accurate information on the boat ramp in question, I cannot provide a detailed answer to your question. If you can provide me with the correct details, I would be happy to assist you further.
| EAST HOBOLOCHITTO CREEK NR CAESAR | 2320cfs |
| WOLF RIVER NR LANDON | 5090cfs |
| WEST HOBOLOCHITTO CREEK NR MCNEILL | 3900cfs |