450 WHUS53 KLOT 282131 SMWLOT LMZ740>742-777-779-282330- /O.NEW.KLOT.MA.W.0047.260628T2131Z-260628T2330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Chicago/Romeoville 431 PM CDT Sun Jun 28 2026 The National Weather Service in Chicago has issued a * Special Marine Warning for... Nearshore Waters from Winthrop Harbor to Calumet Harbor... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... * Until 630 PM CDT. * At 429 PM CDT, National Weather Service meteorologists were tracking a region of strong southeasterly winds moving toward Lake Michigan. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar and land-based surface observations. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Harrison-Dever Crib, Wilmette Harbor, 31st Street Harbor, Monroe Harbor, Calumet Harbor, Winthrop Harbor, Montrose Harbor, Waukegan Harbor, Burnham Harbor, Jackson Park Harbor, Belmont Harbor, and 59th Street Marina. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4246 8702 4213 8696 4179 8697 4173 8711 4170 8727 4171 8733 4176 8740 4173 8753 4183 8760 4189 8762 4189 8760 4190 8762 4206 8767 4214 8775 4227 8783 4248 8780 TIME...MOT...LOC 2129Z 240DEG 36KT 4235 8770 HAIL...0.00IN WIND...>34KTS $$ Borchardt 741 WHUS52 KMHX 282131 SMWMHX AMZ131-230-282300- /O.NEW.KMHX.MA.W.0132.260628T2131Z-260628T2300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Newport/Morehead City NC 531 PM EDT Sun Jun 28 2026 The National Weather Service in Newport has issued a * Special Marine Warning for... Albemarle Sound... Alligator River... * Until 700 PM EDT. * At 530 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 12 nm southwest of Edenton to near The Vicinity Of Frying Pan, moving east at 20 knots. HAZARD...Waterspouts, wind gusts to nearly 50 knots, and small hail. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Albemarle Sound, The Center Of The Albemarle Sound, The Vicinity Of Gum Neck, Highway 94 Bridge, The Vicinity Of Frying Pan, Bull Bay/scuppernong River, The Mouth Of The Perquimans River, Alligator River Bridge, The Mouth Of The Alligator River, and Edenton. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters should seek safe harbor immediately until these storms pass. Wind gusts to nearly 50 knots, small hail, high waves, dangerous lightning, and heavy rain are possible with these storms. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. && LAT...LON 3608 7605 3593 7582 3563 7596 3564 7615 3595 7614 3597 7606 3598 7615 3596 7626 3589 7624 3595 7643 3592 7664 3595 7673 3596 7673 3606 7663 3607 7665 3601 7650 3602 7646 3608 7641 3608 7632 3610 7630 TIME...MOT...LOC 2130Z 257DEG 21KT 3588 7672 3580 7617 WATERSPOUT...POSSIBLE HAIL...<.75IN WIND...49KTS $$ 41 550 WHUS52 KMFL 282134 SMWMFL AMZ610-282215- /O.NEW.KMFL.MA.W.0134.260628T2134Z-260628T2215Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Miami FL 534 PM EDT Sun Jun 28 2026 The National Weather Service in Miami has issued a * Special Marine Warning for... Lake Okeechobee... * Until 615 PM EDT. * At 533 PM EDT, a strong thunderstorm was located over Sand Cut. The strong thunderstorm was nearly stationary. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Canal Point, Pahokee, and Sand Cut. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. Report severe weather to the Coast Guard or the National Weather Service. You can also share your report with NWS Miami on Facebook and Twitter. && LAT...LON 2701 8063 2699 8062 2696 8061 2696 8059 2689 8059 2681 8065 2676 8079 2689 8089 2707 8081 TIME...MOT...LOC 2133Z 084DEG 4KT 2693 8063 HAIL...0.00IN WIND...>34KTS $$ MFL 110 WHUS53 KMKX 282135 SMWMKX LMZ645-646-675-282330- /O.NEW.KMKX.MA.W.0046.260628T2135Z-260628T2330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Milwaukee/Sullivan WI 435 PM CDT Sun Jun 28 2026 The National Weather Service in Milwaukee/Sullivan has issued a * Special Marine Warning for... Nearshore waters from North Point Light WI to Winthrop Harbor IL... Lake Michigan from Wind Point WI TO Winthrop Harbor IL 5 nm off shore to mid lake... * Until 630 PM CDT. * At 435 PM CDT, a strong thunderstorm was located 12 nm west of Kenosha, moving east at 35 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4248 8780 4261 8782 4278 8775 4282 8779 4282 8767 4279 8766 4278 8706 4246 8702 TIME...MOT...LOC 2135Z 265DEG 37KT 4263 8814 HAIL...0.00IN WIND...>34KTS $$ HALBACH 888 WHUS52 KTBW 282146 SMWTBW GMZ836-853-856-282230- /O.NEW.KTBW.MA.W.0057.260628T2146Z-260628T2230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Tampa Bay Area Ruskin FL 546 PM EDT Sun Jun 28 2026 The National Weather Service in Ruskin has issued a * Special Marine Warning for... Charlotte Harbor and Pine Island Sound... Coastal waters from Bonita Beach to Englewood FL out 20 NM... Coastal waters from Englewood to Tarpon Springs FL out 20 NM... * Until 630 PM EDT. * At 546 PM EDT, a severe thunderstorm capable of producing waterspouts was located 9 nm northeast of Gasparilla Island, moving northwest at 10 knots. HAZARD...Waterspouts and wind gusts to 40 knots. SOURCE...Radar. IMPACT...Waterspouts can quickly form and capsize boats, damage vessels, and create suddenly higher waves. Make sure all on board are in a secure location and wearing life jackets. Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. Make sure all on board are wearing life jackets. * Locations impacted include... Gasparilla Island, Manasota Key, Don Pedro Island, Englewood, and Captiva. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 2653 8222 2691 8245 2697 8231 2692 8226 2703 8215 2704 8212 2696 8201 2659 8201 2655 8197 TIME...MOT...LOC 2146Z 141DEG 42KT 2681 8210 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...40KTS $$ TBW