March 31, 2026 12:20 am CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Wind Direction: SSE (150°)
Wind Speed: 14 knots
Wind Gust: 17 knots
Significant Wave Height: 3 ft
Dominant Wave Period: 4 sec
Mean Wave Direction: SSE (152°)
Atmospheric Pressure: 29.71 in (1006.1 mb)
Air Temperature: 53°F (11.9°C)
Water Temperature: 38°F (3.3°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Mar 31, 2026 | 2:52 AM