November 17, 2025 7:40 pm CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Wind Speed: 8 knots
Wind Gust: 10 knots
Significant Wave Height: 3 ft
Dominant Wave Period: 6 sec
Mean Wave Direction: N (8°)
Air Temperature: 45°F (7.0°C)
Water Temperature: 49°F (9.5°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Nov 17, 2025 | 8:56 PM