563 FZUS73 KLOT 042211 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 511 PM CDT Sat Jul 4 2026 LMZ741-042221- /O.CAN.KLOT.MA.W.0055.000000T0000Z-260704T2315Z/ 511 PM CDT Sat Jul 4 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Nearshore Waters from Wilmette Harbor to Northerly Island... The thunderstorm has weakened and no longer poses a significant threat to boaters. A Severe Thunderstorm Watch remains in effect until 700 PM CDT for northeastern Illinois...northwestern Indiana...and the adjacent waters of Lake Michigan. && LAT...LON 4162 8733 4164 8743 4167 8742 4169 8750 4179 8758 4178 8758 4182 8759 4196 8697 4179 8697 4179 8696 4172 8691 4163 8716 4162 8732 4161 8733 TIME...MOT...LOC 2211Z 211DEG 12KT 4171 8745 $$ LMZ742>745-779-042315- /O.CON.KLOT.MA.W.0055.000000T0000Z-260704T2315Z/ 511 PM CDT Sat Jul 4 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 615 PM CDT... For the following areas... Nearshore Waters from Northerly Island to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake... At 511 PM CDT, a strong thunderstorm was located over Indiana Harbor, moving northeast at 10 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Calumet Harbor, Indiana Harbor, Burns Harbor, Marina Shores at Dune Harbor, 59th Street Marina, Hammond Marina, and Jackson Park Harbor. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 4162 8733 4164 8743 4167 8742 4169 8750 4179 8758 4178 8758 4182 8759 4196 8697 4179 8697 4179 8696 4172 8691 4163 8716 4162 8732 4161 8733 TIME...MOT...LOC 2211Z 211DEG 12KT 4171 8745 HAIL...0.00IN WIND...>34KTS $$ DK 921 FZUS73 KDTX 042217 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 617 PM EDT Sat Jul 4 2026 LCZ422-423-460-042245- /O.CON.KDTX.MA.W.0052.000000T0000Z-260704T2245Z/ 617 PM EDT Sat Jul 4 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 645 PM EDT... For the following areas... Detroit River... Lake St. Clair Open Lake (U.S. Portion)... St. Clair River... At 616 PM EDT, showers were located along a line extending from 6 nm southeast of St. Clair to near Algonac to near St. Clair Shores, moving southeast at 20 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. showers will be near... St Clair Flats Old Channel Light, Grosse Pointe, and St. Clair Shores around 620 PM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4255 8259 4256 8264 4238 8282 4231 8309 4235 8306 4239 8295 4244 8291 4254 8291 4259 8285 4266 8284 4272 8269 4270 8261 4265 8259 4264 8251 TIME...MOT...LOC 2216Z 306DEG 20KT 4274 8240 4261 8245 4246 8297 HAIL...0.00IN WIND...>34KTS $$ AM 755 FZUS71 KLWX 042225 MWSLWX Marine Weather Statement National Weather Service Baltimore MD/Washington DC 625 PM EDT Sat Jul 4 2026 ANZ536-537-042300- /O.CON.KLWX.MA.W.0111.000000T0000Z-260704T2300Z/ 625 PM EDT Sat Jul 4 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 700 PM EDT... For the following areas... Tidal Potomac from Cobb Island MD to Smith Point VA... Tidal Potomac from Indian Head to Cobb Island MD... At 624 PM EDT, severe thunderstorms were located along a line extending from 11 nm northwest of Key Bridge to 6 nm east of Fort Washington, moving northeast at 25 knots. HAZARD...Wind gusts in excess of 64 knots and small hail. SOURCE...Observed wind of 65 knots at Cuckhold Creek. IMPACT...Boaters could easily be thrown overboard by suddenly higher wind and waves capsizing their vessel. Boats could suffer significant damage in high winds. Locations impacted include... Breton Bay, Potomac Creek, Saint Clements Bay, Maryland Point, Nanjemoy Creek, Port Tobacco River, Colonial Beach, Leesylvania State Park, Smallwood State Park, Quantico, Cobb Island, Swan Point, Coltons Point, Nomini Bay, Coles Point, Mathias Point, U.S. 301 Nice Memorial Bridge, Wicomico River, Indian Head, and Occoquan Bay. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 3849 7733 3865 7723 3859 7713 3851 7724 3839 7723 3846 7701 3835 7696 3827 7684 3822 7658 3817 7654 3811 7660 3815 7661 3816 7684 3821 7694 3838 7706 3833 7729 TIME...MOT...LOC 2224Z 212DEG 27KT 3898 7730 3870 7687 HAIL...<.75IN WIND...48KTS $$ Belak 081 FZUS73 KDTX 042227 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 627 PM EDT Sat Jul 4 2026 LCZ422-423-460-042236- /O.CAN.KDTX.MA.W.0052.000000T0000Z-260704T2245Z/ 627 PM EDT Sat Jul 4 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Detroit River... Lake St. Clair Open Lake (U.S. Portion)... St. Clair River... The showers have moved out of the area and no longer pose a significant threat to boaters. && LAT...LON 4255 8259 4256 8264 4238 8282 4231 8309 4235 8306 4239 8295 4244 8291 4254 8291 4259 8285 4266 8284 4272 8269 4270 8261 4265 8259 4264 8251 TIME...MOT...LOC 2224Z 306DEG 20KT 4274 8240 4261 8245 4246 8297 $$ AM 442 FZUS72 KMLB 042227 MWSMLB Marine Weather Statement National Weather Service Melbourne FL 627 PM EDT Sat Jul 4 2026 AMZ555-042330- 627 PM EDT Sat Jul 4 2026 ...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Sebastian Inlet to Jupiter Inlet 0-20 nm... At 627 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds to around 30 knots. These thunderstorms were located along a line extending from near Palm City to near Riviera Beach, moving northeast at 5 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. Frequent cloud to water lightning is occurring with these storms. If caught on the open water stay below deck and, if possible, avoid ungrounded metal objects. Remember, lightning can strike beyond 10 miles away from a thunderstorm. && LAT...LON 2697 8011 2711 8018 2715 8022 2713 8027 2718 8032 2723 8035 2728 8035 2729 8032 2724 8026 2746 8036 2752 8014 2697 7992 $$ Schaper 186 FZUS72 KMFL 042231 MWSMFL Marine Weather Statement National Weather Service Miami FL 631 PM EDT Sat Jul 4 2026 AMZ650-042330- 631 PM EDT Sat Jul 4 2026 ...A STRONG THUNDERSTORM APPROACHING THE JUPITER INLET AREA... The areas affected include... Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM... At 631 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located near Jupiter, moving north at 10 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots and locally higher waves. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 2672 7983 2673 8008 2678 8008 2695 8016 2696 8014 2697 8014 2697 7992 $$ MFL 608 FZUS71 KLWX 042235 MWSLWX Marine Weather Statement National Weather Service Baltimore MD/Washington DC 635 PM EDT Sat Jul 4 2026 ANZ535>537-042245- /O.CAN.KLWX.MA.W.0114.000000T0000Z-260705T0030Z/ 635 PM EDT Sat Jul 4 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Tidal Potomac from Cobb Island MD to Smith Point VA... Tidal Potomac from Indian Head to Cobb Island MD... Tidal Potomac from Key Bridge to Indian Head MD... The thunderstorms have moved out of the warned area and no longer pose a significant threat to boaters. A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for central and southern Maryland...and the adjacent coastal waters. && LAT...LON 3825 7642 3829 7640 3822 7658 3829 7648 3840 7656 3838 7640 3852 7653 3899 7649 3901 7643 3905 7628 3868 7635 3867 7634 3876 7623 3860 7605 3863 7625 3847 7633 3827 7615 3836 7586 3823 7584 3824 7599 TIME...MOT...LOC 2235Z 227DEG 29KT 3860 7705 3835 7675 $$ ANZ531>534-539>543-050030- /O.CON.KLWX.MA.W.0114.000000T0000Z-260705T0030Z/ 635 PM EDT Sat Jul 4 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 830 PM EDT... For the following areas... Chesapeake Bay from Drum Point MD to Smith Point VA... Chesapeake Bay from North Beach to Drum Point MD... Chesapeake Bay from Pooles Island to Sandy Point MD... Chesapeake Bay from Sandy Point to North Beach MD... Chester River to Queenstown MD... Choptank River to Cambridge MD and the Little Choptank River... Eastern Bay... Patuxent River to Broomes Island MD... Tangier Sound and the inland waters surrounding Bloodsworth Island... At 635 PM EDT, strong thunderstorms were located along a line extending from near Indian Head to 6 nm north of Saint Clements Bay, moving northeast at 30 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. Locations impacted include... Choptank River, Hooper Island Light, Blackwalnut Point, Cuckold Creek, Greenbury Point, Highland Beach, Sandy Point State Park, Severn River, Bloody Point Light, Thomas Point Light, Calvert Cliffs, Poplar Island, Greenwell State Park, Solomons Island, Nanticoke River Mouth, Town Creek, Love Point, Naval Academy, Drum Point, and Honga River. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 3825 7642 3829 7640 3822 7658 3829 7648 3840 7656 3838 7640 3852 7653 3899 7649 3901 7643 3905 7628 3868 7635 3867 7634 3876 7623 3860 7605 3863 7625 3847 7633 3827 7615 3836 7586 3823 7584 3824 7599 TIME...MOT...LOC 2235Z 227DEG 29KT 3860 7705 3835 7675 HAIL...0.00IN WIND...>34KTS $$ Belak 734 FZUS73 KLOT 042236 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 536 PM CDT Sat Jul 4 2026 LMZ742>745-779-042246- /O.CAN.KLOT.MA.W.0055.000000T0000Z-260704T2315Z/ 536 PM CDT Sat Jul 4 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Nearshore Waters from Northerly Island to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake... The thunderstorm has weakened and no longer poses a significant threat to boaters. A Severe Thunderstorm Watch remains in effect until 700 PM CDT for northeastern Illinois...northwestern Indiana...and the adjacent waters of Lake Michigan. && LAT...LON 4162 8733 4164 8743 4167 8742 4169 8750 4179 8758 4178 8758 4182 8759 4196 8697 4179 8697 4179 8696 4172 8691 4163 8716 4162 8732 4161 8733 TIME...MOT...LOC 2234Z 274DEG 16KT 4170 8730 $$ DK 185 FZUS71 KOKX 042240 MWSOKX Marine Weather Statement National Weather Service New York NY 640 PM EDT Sat Jul 4 2026 ANZ331-042345- 640 PM EDT Sat Jul 4 2026 A Marine Weather Statement has been issued for the following areas... Long Island Sound East of New Haven CT / Port Jefferson NY to the Mouth of the Connecticut River... At 640 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located 10 nm north of The Thimbles, moving southeast at 20 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 this storm passes. && LAT...LON 4130 7254 4131 7244 4129 7243 4131 7238 4116 7224 4114 7225 4114 7232 4096 7266 4096 7276 4126 7292 4129 7290 4127 7288 4130 7279 4128 7278 4126 7270 4128 7267 4131 7267 4128 7262 4129 7259 4132 7260 $$ DBR 911 FZUS71 KOKX 042242 MWSOKX Marine Weather Statement National Weather Service New York NY 642 PM EDT Sat Jul 4 2026 ANZ332-042345- 642 PM EDT Sat Jul 4 2026 ...A STRONG THUNDERSTORM APPROACHING THE WATERS... The areas affected include... Long Island Sound East of the Mouth of the Connecticut River... At 642 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located 11 nm northwest of Madison Reef, moving southeast at 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. Mariners can expect gusty winds to around 30 knots, locally higher waves, lightning strikes, and heavy downpours. Boaters should seek safe harbor immediately until this storm passes. This strong thunderstorm will likely produce winds to around 30 knots, and could pose a serious hazard for boaters. A special marine warning may eventually be required when this strong thunderstorm reaches the nearshore waters. Boaters should consider heading for shore before this strong thunderstorm arrives. && LAT...LON 4135 7193 4136 7186 4132 7186 4133 7190 4131 7188 4131 7187 4120 7187 4116 7223 4131 7238 4132 7230 4130 7229 4133 7221 4134 7212 4132 7212 4136 7203 4134 7201 4136 7199 4137 7194 $$ DBR