July 31, 2026 10:20 pm CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Wind Direction: ENE (60°)
Wind Speed: 10 knots
Wind Gust: 14 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 4 sec
Mean Wave Direction: SE (140°)
Atmospheric Pressure: 29.76 in (1007.8 mb)
Air Temperature: 69°F (20.5°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Aug 1, 2026 | 12:43 AM