July 31, 2026 11:30 pm CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Wind Direction: NNE (30°)
Wind Speed: 16 knots
Wind Gust: 19 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 4 sec
Mean Wave Direction: SE (141°)
Atmospheric Pressure: 29.75 in (1007.4 mb)
Air Temperature: 68°F (20.2°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Aug 1, 2026 | 1:57 AM