692 WHUS52 KMHX 201714 SMWMHX AMZ131-135-150-152-231-201800- /O.NEW.KMHX.MA.W.0207.260720T1714Z-260720T1800Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Newport/Morehead City NC 114 PM EDT Mon Jul 20 2026 The National Weather Service in Newport has issued a * Special Marine Warning for... Alligator River... Croatan and Roanoke Sounds... Pamlico Sound... S of Currituck Beach Light NC to Oregon Inlet NC out to 20 NM... S of Oregon Inlet NC to Cape Hatteras NC out to 20 NM... * Until 200 PM EDT. * At 113 PM EDT, a severe thunderstorm capable of producing waterspouts was located near The Center Of Croatan Sound, moving east at 10 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. 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... The Center Of Roanoke Sound, The Center Of Croatan Sound, Pea Island National Wildlife Refuge, Oregon Inlet, and Kill Devil Hills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. && LAT...LON 3595 7581 3594 7581 3594 7578 3593 7576 3588 7538 3562 7550 3583 7589 TIME...MOT...LOC 1713Z 291DEG 12KT 3586 7579 WATERSPOUT...POSSIBLE HAIL...0.00IN WIND...>34KTS $$ 26 314 WHUS53 KMQT 201720 SMWMQT LSZ265-266-201815- /O.NEW.KMQT.MA.W.0056.260720T1720Z-260720T1815Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Marquette MI 120 PM EDT Mon Jul 20 2026 The National Weather Service in Marquette has issued a * Special Marine Warning for... Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore... Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore... * Until 215 PM EDT. * At 119 PM EDT, a severe thunderstorm was located 9 nm west of Stannard Rock, moving east at 35 knots. HAZARD...Wind gusts to nearly 50 knots and large hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. * Locations impacted include... Stannard Rock. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters should seek safe harbor immediately until this storm passes. Wind gusts to nearly 50 knots, large hail, high waves, dangerous lightning, and heavy rain are possible with this storm. && LAT...LON 4698 8765 4707 8751 4731 8692 4720 8638 4676 8673 TIME...MOT...LOC 1719Z 287DEG 34KT 4716 8745 HAIL...>.75IN WIND...49KTS $$ jp 418 WHUS52 KTBW 201731 SMWTBW GMZ830-201815- /O.NEW.KTBW.MA.W.0107.260720T1731Z-260720T1815Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Tampa Bay Area Ruskin FL 131 PM EDT Mon Jul 20 2026 The National Weather Service in Ruskin has issued a * Special Marine Warning for... Tampa Bay waters... * Until 215 PM EDT. * At 131 PM EDT, a shower was located over Tampa Bay, moving northeast at 25 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher waves, and heavy downpours. Make sure all on board are wearing life jackets. * Locations impacted include... Gandy Bridge, Old Tampa Bay, Howard Frankland Bridge, Port Manatee Reef, Tampa Bay, Cockroach Bay, and Hillsborough Bay. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 2784 8233 2772 8240 2771 8243 2763 8246 2757 8250 2770 8264 2803 8260 2798 8250 2799 8241 2787 8233 TIME...MOT...LOC 1731Z 203DEG 25KT 2768 8256 HAIL...0.00IN WIND...>34KTS $$ TBW 089 WHUS53 KMQT 201737 SMWMQT LSZ250-251-266-267-201830- /O.NEW.KMQT.MA.W.0057.260720T1737Z-260720T1830Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Marquette MI 137 PM EDT Mon Jul 20 2026 The National Weather Service in Marquette has issued a * Special Marine Warning for... Grand Marais to Whitefish Point MI... Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore... Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border... Munising to Grand Marais MI... * Until 230 PM EDT. * At 136 PM EDT, a wake low was moving over eastern Lake Superior. HAZARD...Wind gusts to 40 knots. SOURCE...Buoy. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Grand Sable Dunes, Muskallonge State Park, and Pictured Rocks National Lakeshore. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4678 8491 4676 8506 4676 8522 4671 8524 4664 8548 4663 8610 4662 8617 4663 8624 4712 8588 4704 8521 4689 8486 4681 8483 TIME...MOT...LOC 1736Z 287DEG 34KT 4672 8564 HAIL...0.00IN WIND...40KTS $$ jp 154 WHUS52 KMHX 201738 SMWMHX AMZ230-201845- /O.NEW.KMHX.MA.W.0208.260720T1738Z-260720T1845Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Newport/Morehead City NC 138 PM EDT Mon Jul 20 2026 The National Weather Service in Newport has issued a * Special Marine Warning for... Albemarle Sound... * Until 245 PM EDT. * At 138 PM EDT, a strong thunderstorm was located near Edenton, moving southeast at 10 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Highway 94 Bridge, Albemarle Sound, and Edenton. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. && LAT...LON 3603 7630 3592 7634 3582 7653 3593 7669 3594 7669 3594 7673 3596 7672 3599 7669 3601 7669 3604 7666 3605 7662 3607 7665 3605 7659 3604 7660 3601 7658 3601 7651 3602 7646 3607 7641 3608 7641 TIME...MOT...LOC 1738Z 303DEG 12KT 3609 7668 HAIL...<.75IN WIND...>34KTS $$ RJ 273 WHUS52 KMLB 201748 SMWMLB AMZ552-555-201845- /O.NEW.KMLB.MA.W.0176.260720T1748Z-260720T1845Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Melbourne FL 148 PM EDT Mon Jul 20 2026 The National Weather Service in Melbourne has issued a * Special Marine Warning for... Sebastian Inlet to Jupiter Inlet 0-20 nm... Volusia-Brevard County Line to Sebastian Inlet 0-20 nm... * Until 245 PM EDT. * At 148 PM EDT, a strong thunderstorm was located over Vero Beach, moving north at 20 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher waves, lightning and heavy downpours. Make sure all on board are wearing life jackets. Return to safe harbor if possible. * Locations impacted include... Orchid, Gifford, North Beach, Vero Beach Airport, and Winter Beach. && LAT...LON 2809 8064 2813 8024 2756 8015 2754 8039 2765 8041 2803 8063 TIME...MOT...LOC 1748Z 176DEG 20KT 2764 8041 HAIL...0.00IN WIND...>34KTS $$ Fehling 315 WHUS53 KAPX 201754 SMWAPX LSZ321-322-202000- /O.NEW.KAPX.MA.W.0076.260720T1754Z-260720T2000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Gaylord MI 154 PM EDT Mon Jul 20 2026 The National Weather Service in Gaylord has issued a * Special Marine Warning for... St. Marys River Point Iroquois to E. Potagannissing Bay... Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI... * Until 400 PM EDT. * At 153 PM EDT, a wake low producing =strong wind gusts was located near the shores of central Lake Superior. HAZARD...Wind gusts to 40 knots. SOURCE...Confirmed 42kt gust at Grand Marais. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Sugar Island, Salt Point, Whitefish Point, Potagannissing Bay, Neebish Island, De Tour Village, Point Iroquois, Naomikong Point, Detour Village, Lime Island, Paradise, Munuscong, and Sault Sainte Marie. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. Water level fluctuations are possible once again on Whitefish Bay and the St. Mary's River System with this feature's passage. Seek safe shelter, mariners can expect gusty winds and increasing waves. && LAT...LON 4663 8477 4646 8454 4653 8413 4637 8414 4619 8408 4606 8395 4611 8380 4597 8372 4599 8406 4613 8415 4613 8424 4619 8434 4631 8427 4645 8435 4636 8456 4643 8466 4640 8483 4646 8508 4674 8507 4680 8483 TIME...MOT...LOC 1753Z 261DEG 32KT 4654 8537 HAIL...0.00IN WIND...40KTS $$ Dippman 884 WHUS53 KMQT 201755 SMWMQT LSZ248-249-265-266-201845- /O.NEW.KMQT.MA.W.0058.260720T1755Z-260720T1845Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Marquette MI 155 PM EDT Mon Jul 20 2026 The National Weather Service in Marquette has issued a * Special Marine Warning for... Huron Islands to Marquette MI... Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore... Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore... Marquette to Munising MI... * Until 245 PM EDT. * At 155 PM EDT, a strong thunderstorm was located near Granite Island, moving east at 40 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Granite Point and Granite Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters should seek safe harbor immediately until this storm passes. Wind gusts 34 knots or greater, small hail, high waves, dangerous lightning, and heavy rain are possible with this storm. && LAT...LON 4670 8758 4675 8767 4681 8772 4681 8774 4682 8780 4699 8765 4676 8669 4654 8694 TIME...MOT...LOC 1755Z 280DEG 41KT 4682 8736 HAIL...<.75IN WIND...>34KTS $$ jp