June 17, 2026 3:50 pm CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Significant Wave Height: 4 ft
Dominant Wave Period: 7 sec
Mean Wave Direction: SE (127°)
Atmospheric Pressure: 29.66 in (1004.4 mb)
Air Temperature: 57°F (13.8°C)
Water Temperature: 49°F (9.7°C)
Station 45187 – WINTHROP HARBOR BUOY, IL
Jun 17, 2026 | 6:17 PM