Active Weather Alerts
Marine Weather Statement
Issued: 6:26 PM Mar. 31, 2026 – National Weather Service
A Marine Weather Statement has been issued for the following areas... Lake Michigan nearshore and open waters to mid lake from Sheboygan WI to Winthrop Harbor IL... At 125 PM CDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots and small hail. These thunderstorms were located along a line extending from 9 nm east of Cedar Grove to 46 nm northwest of McHenry, moving east at 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. &&
Small Craft Advisory
Issued: 2:38 PM Mar. 31, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 AM CDT FRIDAY... * WHAT...Northeast winds 15 to 25 kt becoming easterly Wednesday night and then southerly on Thursday. Waves building to 6 to 9 feet. * WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL. * WHEN...From 10 PM this evening to 4 AM CDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
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