Hazardous Weather Conditions
Last Update: 329 AM CDT FRI OCT 31 2014
Winthrop Harbor to Wilmette Harbor IL
Marine Zone Forecast
WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH
IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG
WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES
WHICH WILL OCCASIONALLY BE ENCOUNTERED.
- Today Northwest gales to 40 kt becoming north to 45 kt in the late morning and afternoon. A few 50 kt storm force gusts possible midday. Scattered rain and snow showers. Waves 4 to 7 ft occasionally to 9 ft building to 14 to 18 ft occasionally to 23 ft by mid afternoon.
- Tonight North gales to 40 kt easing to 30 kt overnight. Scattered snow showers. Waves subsiding to 12 to 16 ft occasionally to 20 ft after midnight.
- Saturday North winds 15 to 25 kt diminishing to 10 to 20 kt during the afternoon. Chance of rain and snow showers in the morning. Waves 10 to 14 ft occasionally to 18 ft subsiding to 4 to 7 ft occasionally to 9 ft in the afternoon.
- Saturday Night Northwest winds 10 to 15 kt becoming southwest 5 to 10 kt after midnight. Mostly clear. Waves 4 to 7 ft occasionally to 9 ft subsiding to around 1 ft after midnight.
Additional Forecasts and Information
Zone Area Forecast for Winthrop Harbor to Wilmette Harbor IL
ABOUT THIS FORECAST
NATIONAL DIGITAL FORECAST DATABASE