March 31, 2026 5:20 am CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Wind Direction: ESE (120°)
Wind Speed: 8 knots
Wind Gust: 12 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 4 sec
Mean Wave Direction: SE (143°)
Atmospheric Pressure: 29.49 in (998.6 mb)
Air Temperature: 47°F (8.1°C)
Water Temperature: 38°F (3.3°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Mar 31, 2026 | 7:43 AM