312 FZUS73 KAPX 271504 MWSAPX Marine Weather Statement National Weather Service Gaylord MI 1104 AM EDT Mon Jul 27 2026 LHZ362-363-271545- /O.CON.KAPX.MA.W.0090.000000T0000Z-260727T1545Z/ 1104 AM EDT Mon Jul 27 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1145 AM EDT... For the following areas... Lake Huron from Presque Isle Lt. to Sturgeon Point MI 5NM off shore to US/Canadian border... Lake Huron from Sturgeon Point to Alabaster MI 5NM off shore to US/Canadian border... At 1103 AM EDT, a strong thunderstorm was located 18 nm east of South Point, moving south at 25 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar indicated. 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 4501 8300 4519 8248 4448 8232 4462 8321 4465 8320 4498 8298 TIME...MOT...LOC 1503Z 346DEG 23KT 4495 8290 HAIL...<.75IN WIND...>34KTS $$ msb 315 FZUS73 KGRB 271507 MWSGRB Marine Weather Statement National Weather Service Green Bay WI 1007 AM CDT Mon Jul 27 2026 LMZ541-542-563-565-271530- /O.CON.KGRB.MA.W.0047.000000T0000Z-260727T1530Z/ 1007 AM CDT Mon Jul 27 2026 ...SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT... For the following areas... Nearshore waters from Washington Island to Two Rivers... Open waters of Lake Michigan from Rock Island Passage to Two Rivers... At 1007 AM CDT, a severe thunderstorm capable of producing waterspouts was located near Algoma, or 11 NM northeast of Kewaunee Pierhead Light, moving east at 20 knots. HAZARD...Waterspouts, large hail, and wind gusts in excess of 50 knots. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Boats could suffer significant structural damage in high winds and hail. Small craft could capsize in suddenly higher waves. The strong thunderstorm will be near... Algoma around 1010 AM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. Boaters should seek safe harbor immediately until this storm passes. Wind gusts 34 knots or greater, high waves, dangerous lightning, and heavy rain are possible with this storm. && LAT...LON 4455 8747 4461 8744 4464 8739 4479 8731 4482 8737 4483 8737 4483 8735 4480 8731 4481 8728 4485 8727 4488 8720 4490 8722 4496 8702 4452 8709 TIME...MOT...LOC 1434Z 288DEG 18KT 4465 8756 WATERSPOUT...POSSIBLE MAX HAIL SIZE...>.75 IN MAX WIND GUST...>50 KTS $$ KS 063 FZUS73 KGRB 271508 MWSGRB Marine Weather Statement National Weather Service Green Bay WI 1008 AM CDT Mon Jul 27 2026 LMZ521-271545- 1008 AM CDT Mon Jul 27 2026 ...STRONG THUNDERSTORM OVER THE WATERS... The areas affected include... Central Bay of Green Bay... * At 1008 AM CDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and small hail. This strong thunderstorm was located 11 miles northwest of Sturgeon Bay, or 11 miles southeast of Marinette, moving east at 20 mph. The strong thunderstorm will be near... Peshtigo Reef Light around 1010 AM CDT. Sherwood Point Light around 1020 AM CDT. Other locations impacted by this strong thunderstorm include Potawatomi State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, lightning strikes, and heavy downpours. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 4498 8764 4498 8763 4499 8764 4499 8763 4505 8763 4507 8761 4514 8724 4512 8726 4508 8726 4507 8728 4505 8728 4505 8730 4504 8732 4491 8740 4489 8738 4484 8739 4484 8738 4483 8737 4488 8765 TIME...MOT...LOC 1508Z 288DEG 18KT 4497 8747 $$ KS 606 FZUS73 KGRR 271512 MWSGRR Marine Weather Statement National Weather Service Grand Rapids MI 1112 AM EDT Mon Jul 27 2026 LMZ847-870-872-271545- /O.CON.KGRR.MA.W.0056.000000T0000Z-260727T1545Z/ 1112 AM EDT Mon Jul 27 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1145 AM EDT... For the following areas... Nearshore Waters from Grand Haven to Whitehall MI... Open Waters from Grand Haven to Pentwater MI... At 1112 AM EDT, a strong thunderstorm was located 19 nm southwest of White Lake Pier Heads, moving southeast at 40 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. The strong thunderstorm will remain over mainly open waters. LAT...LON 4358 8704 4342 8653 4341 8653 4340 8646 4307 8627 4306 8708 4343 8715 TIME...MOT...LOC 1512Z 321DEG 38KT 4323 8682 HAIL...0.00IN WIND...40KTS $$ 04 968 FZUS73 KAPX 271515 MWSAPX Marine Weather Statement National Weather Service Gaylord MI 1115 AM EDT Mon Jul 27 2026 LHZ349-271525- /O.CAN.KAPX.MA.W.0089.000000T0000Z-260727T1600Z/ 1115 AM EDT Mon Jul 27 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Sturgeon Pt to Alabaster MI... The thunderstorm has moved out of the warned area and no longer poses a significant threat to boaters. && LAT...LON 4418 8299 4459 8288 4450 8233 4419 8225 4417 8226 4418 8290 TIME...MOT...LOC 1515Z 287DEG 22KT 4446 8284 $$ LHZ363-271600- /O.CON.KAPX.MA.W.0089.000000T0000Z-260727T1600Z/ 1115 AM EDT Mon Jul 27 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL NOON EDT... For the following areas... Lake Huron from Sturgeon Point to Alabaster MI 5NM off shore to US/Canadian border... At 1115 AM EDT, a strong thunderstorm was located 21 nm east of Oscoda, moving east at 20 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4418 8299 4459 8288 4450 8233 4419 8225 4417 8226 4418 8290 TIME...MOT...LOC 1515Z 287DEG 22KT 4446 8284 HAIL...<.75IN WIND...>34KTS $$ msb 082 FZUS72 KKEY 271517 MWSKEY Marine Weather Statement National Weather Service Key West FL 1117 AM EDT Mon Jul 27 2026 GMZ042>044-052>054-271630- Hawk Channel from Ocean Reef to Craig Key out to the reef- Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef- Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef- Straits of Florida from Ocean Reef to Craig Key out 20 NM- Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM- Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM- 1117 AM EDT Mon Jul 27 2026 ...STRONG THUNDERSTORMS ALONG HAWK CHANNEL... Strong thunderstorms are still embedded within the line of showers currently stretched across Hawk Channel. This line will continue to move to the southeast, across the nearshore portion of the Florida Straits, at 5 to 10 knots. These cells will be capable of producing gusty and erratic winds of 25 to 30 knots, frequent lightning strikes, and reduced visibility from heavy downpours. $$ 780 FZUS73 KGRB 271521 MWSGRB Marine Weather Statement National Weather Service Green Bay WI 1021 AM CDT Mon Jul 27 2026 LMZ541-542-563-565-271545- /O.CON.KGRB.MA.W.0048.000000T0000Z-260727T1545Z/ 1021 AM CDT Mon Jul 27 2026 ...SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1045 AM CDT... For the following areas... Nearshore waters from Washington Island to Two Rivers... Open waters of Lake Michigan from Rock Island Passage to Two Rivers... At 1021 AM CDT, severe thunderstorms capable of producing waterspouts were located along a line from 12 NM southeast of Sturgeon Bay Ship Canal Light to 12 NM southeast of Kewaunee Pierhead Light, moving east at 45 knots. HAZARD...Waterspouts, large hail, and wind gusts in excess of 50 knots. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Boats could suffer significant structural damage in high winds and hail. Small craft could capsize in suddenly higher waves. This strong thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4464 8728 4481 8729 4485 8727 4488 8720 4490 8722 4493 8717 4495 8719 4513 8644 4488 8669 4421 8697 4440 8752 TIME...MOT...LOC 1451Z 283DEG 46KT 4472 8769 4459 8768 4444 8776 WATERSPOUT...POSSIBLE MAX HAIL SIZE...>.75 IN MAX WIND GUST...>50 KTS $$ KS 858 FZUS73 KAPX 271545 MWSAPX Marine Weather Statement National Weather Service Gaylord MI 1145 AM EDT Mon Jul 27 2026 LMZ345-271554- /O.CAN.KAPX.MA.W.0091.000000T0000Z-260727T1645Z/ 1145 AM EDT Mon Jul 27 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Point Betsie to Sleeping Bear Point MI... The thunderstorm has moved out of the warned area and no longer poses a significant threat to boaters. && LAT...LON 4440 8675 4481 8648 4476 8623 4472 8618 4474 8614 4473 8607 4467 8619 4456 8616 4441 8619 4424 8629 TIME...MOT...LOC 1544Z 284DEG 40KT 4463 8639 $$ LMZ346-364-366-271645- /O.CON.KAPX.MA.W.0091.000000T0000Z-260727T1645Z/ 1145 AM EDT Mon Jul 27 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT... For the following areas... Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake... Lake Michigan from Point Betsie to Manistee MI 5NM offshore to Mid Lake... Manistee to Point Betsie MI... At 1144 AM EDT, a strong thunderstorm was located near Frankfort, moving east at 40 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Portage Lake, Williamsport, Arcadia, Frankfort, Point Betsie, and Pierport. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4440 8675 4481 8648 4476 8623 4472 8618 4474 8614 4473 8607 4467 8619 4456 8616 4441 8619 4424 8629 TIME...MOT...LOC 1544Z 284DEG 40KT 4463 8639 HAIL...<.75IN WIND...>34KTS $$ MSB