November 17, 2025 3:40 am CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Wind Direction: SW (230°)
Wind Speed: 10 knots
Wind Gust: 14 knots
Significant Wave Height: 3 ft
Dominant Wave Period: 6 sec
Mean Wave Direction: N (9°)
Air Temperature: 37°F (2.5°C)
Water Temperature: 48°F (9.1°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Nov 17, 2025 | 5:00 AM