Station 45187 – WINTHROP HARBOR BUOY, IL

March 29, 2026 4:00 am CST
Location: 42.491N 87.779W or 74 nautical miles WSW of search location of 43.02N 86.27W.
Wind Direction: ESE (120°)
Wind Speed: 8 knots
Wind Gust: 10 knots
Significant Wave Height: 1 ft
Dominant Wave Period: 3 sec
Mean Wave Direction: SE (135°)
Atmospheric Pressure: 30.16 in (1021.4 mb)
Pressure Tendency: -0.06 in (-2.2 mb)
Air Temperature: 39°F (3.8°C)
Water Temperature: 37°F (2.5°C)