LM 742

Active Advisory: (US Severe Weather)

Forecast as of 10:08 PM CDT on May 21, 2013

Gale watch in effect from Thursday morning through Thursday evening

Winthrop Harbor To Wilmette Harbor-

Wilmette Harbor To Northerly Island-

Northerly Island To Calumet Harbor-

Rest Of Tonight

Southwest winds 10 to 20 kt diminishing to 5 to 10 kt. Scattered showers and thunderstorms. Waves around 1 ft.

Wednesday

West winds 5 to 10 kt. Showers and thunderstorms likely. Waves nearly calm.

Wednesday Night

West winds 5 to 10 kt becoming northwest after midnight and increasing to 10 to 15 kt late. Chance of showers. Waves around 1 ft.

Thursday

North winds to 30 kt increasing to gales to 35 kt in the afternoon. Chance of showers in the morning... then slight chance of showers in the afternoon. Waves building 6 to 10 ft occasionally to 14 ft from early morning on.

Gale Watch

Statement as of 8:29 PM CDT on May 21, 2013

... Gale watch remains in effect from Thursday morning through
Thursday evening...
... Small Craft Advisory is cancelled...

The National Weather Service in Chicago has cancelled the Small
Craft Advisory.

* Winds... southwest 10 to 20 kt.

* Significant waves... around 1 ft.

Precautionary/preparedness actions...

A gale watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased... but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.

Marine Map

Click any area for a Zone forecast. Click the Station ID for station data.

Buoys / Water Temps Wave Heights