August 21, 2025 11:20 pm CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Wind Direction: W (270°)
Wind Speed: 4 knots
Wind Gust: 6 knots
Significant Wave Height: 1 ft
Dominant Wave Period: 3 sec
Mean Wave Direction: NNE (12°)
Air Temperature: 72°F (22.3°C)
Water Temperature: 73°F (23.0°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Aug 22, 2025 | 1:42 AM