March 31, 2026 3:20 am 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: 17 knots
Wind Gust: 25 knots
Significant Wave Height: 3 ft
Dominant Wave Period: 3 sec
Mean Wave Direction: NW (309°)
Atmospheric Pressure: 29.70 in (1005.8 mb)
Air Temperature: 64°F (17.7°C)
Water Temperature: 38°F (3.2°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Mar 31, 2026 | 5:56 AM