March 31, 2026 2:10 am CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Wind Direction: S (180°)
Wind Speed: 14 knots
Wind Gust: 19 knots
Significant Wave Height: 2 ft
Dominant Wave Period: 4 sec
Mean Wave Direction: SSE (165°)
Atmospheric Pressure: 29.72 in (1006.5 mb)
Air Temperature: 61°F (16.3°C)
Water Temperature: 38°F (3.2°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Mar 31, 2026 | 4:28 AM