421 WWUS53 KGRR 310917 SVSGRR Severe Weather Statement National Weather Service Grand Rapids MI 517 AM EDT Tue Mar 31 2026 MIC065-075-310926- /O.CAN.KGRR.SV.W.0025.000000T0000Z-260331T0930Z/ Jackson MI-Ingham MI- 517 AM EDT Tue Mar 31 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JACKSON AND SOUTHERN INGHAM COUNTIES IS CANCELLED... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning has been cancelled. However, small hail and gusty winds are still possible with this thunderstorm through 540 AM. LAT...LON 4238 8459 4257 8459 4262 8415 4235 8413 TIME...MOT...LOC 0915Z 271DEG 50KT 4243 8399 $$ DUKE  077 FZUS73 KLOT 310928 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 428 AM CDT Tue Mar 31 2026 LMZ740-777-311130- 428 AM CDT Tue Mar 31 2026 ...PERIOD OF STRONG WINDS THIS MORNING... The areas affected include... Nearshore Waters from Winthrop Harbor to Wilmette Harbor... Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake... At 423 AM CDT, Doppler radar indicated an area of strong winds upwards of 30 to 40 knots that are moving across northern Illinois and southern Wisconsin. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 to 40 knots and locally higher waves. Boaters should seek safe harbor immediately until these winds pass. && LAT...LON 4246 8702 4212 8696 4211 8760 4208 8768 4214 8775 4227 8783 4248 8780 $$ Yack  228 WHUS53 KMKX 310930 SMWMKX LMZ643>646-669-671-673-675-311100- /O.NEW.KMKX.MA.W.0005.260331T0930Z-260331T1100Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Milwaukee/Sullivan WI 430 AM CDT Tue Mar 31 2026 The National Weather Service in Milwaukee/Sullivan has issued a * Special Marine Warning for... Lake Michigan nearshore and open waters to mid lake from Sheboygan WI to Winthrop Harbor IL... * Until 600 AM CDT. * At 430 AM CDT, showers were located along a line extending from 7 nm northwest of Bayside to Winthrop Harbor, moving northeast at 45 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Buoy. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Port Washington. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4248 8777 4261 8782 4278 8775 4286 8784 4297 8785 4303 8790 4307 8786 4313 8790 4318 8788 4326 8791 4339 8787 4363 8713 4339 8715 4246 8702 TIME...MOT...LOC 0930Z 236DEG 46KT 4326 8802 4248 8779 HAIL...0.00IN WIND...40KTS $$ CMILLER  777 FZUS73 KMKX 310940 MWSMKX Marine Weather Statement National Weather Service Milwaukee/Sullivan WI 440 AM CDT Tue Mar 31 2026 LMZ643>646-669-671-673-675-311100- /O.CON.KMKX.MA.W.0005.000000T0000Z-260331T1100Z/ 440 AM CDT Tue Mar 31 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 600 AM CDT... For the following areas... Lake Michigan nearshore and open waters to mid lake from Sheboygan WI to Winthrop Harbor IL... At 439 AM CDT, showers were located along a line extending from 6 nm southwest of Port Washington to near Winthrop Harbor, moving east at 45 knots. HAZARD...Wind gusts to nearly 50 knots. SOURCE...Buoy. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Port Washington. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4248 8777 4261 8782 4278 8775 4286 8784 4297 8785 4303 8790 4307 8786 4313 8790 4318 8788 4326 8791 4339 8787 4363 8713 4339 8715 4246 8702 TIME...MOT...LOC 0939Z 270DEG 46KT 4329 8795 4251 8772 HAIL...0.00IN WIND...49KTS $$ CMILLER  711 FZUS73 KDTX 310950 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 550 AM EDT Tue Mar 31 2026 LCZ423-311030- 550 AM EDT Tue Mar 31 2026 A Marine Weather Statement has been issued for the following areas... Detroit River... At 550 AM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds up to 25 knots and small hail. This thunderstorm was located 16 nm northwest of Wyandotte, or 19 nm west of The Ambassador Bridge, moving east at 50 knots. The strong thunderstorm will be near... Wyandotte around 605 AM EDT. The Ambassador Bridge around 610 AM EDT. Belle Isle around 615 AM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds up to 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 4215 8322 4225 8318 4233 8312 4238 8296 4238 8291 4235 8293 4233 8299 4232 8306 4229 8310 4224 8313 4213 8313 $$ KDK  440 FZUS73 KGRR 310956 MWSGRR Marine Weather Statement National Weather Service Grand Rapids MI 556 AM EDT Tue Mar 31 2026 LMZ845>847-872-874-876-311100- 556 AM EDT Tue Mar 31 2026 ...STRONG WINDS POSSIBLE OVER LAKE MICHIGAN THIS MORNING... The areas affected include... Nearshore and Open Waters from South Haven to Whitehall MI... At 553 AM EDT, Doppler radar indicated an area of rain showers capable of producing winds to around 30 knots. These showers were located at mid lake west of Grand Haven and Holland, moving east at 45 knots. Locations impacted include... Saugatuck Pier Heads, White Lake Pier Heads, Mona Lake Channel, The White Lake Pierheads, Port Sheldon Harbor, Grand Haven Light, Muskegon Light, and Holland Light. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storm pass. && LAT...LON 4245 8626 4247 8702 4336 8714 4340 8643 4312 8627 4299 8622 4269 8621 $$ DUKE