August 17, 2025 12:20 am CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Wind Direction: NE (50°)
Wind Speed: 4 knots
Wind Gust: 8 knots
Significant Wave Height: 1 ft
Dominant Wave Period: 4 sec
Mean Wave Direction: NNE (30°)
Air Temperature: 74°F (23.2°C)
Water Temperature: 75°F (23.8°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Aug 17, 2025 | 2:41 AM