666 FZUS71 KLWX 150300 MWSLWX Marine Weather Statement National Weather Service Baltimore MD/Washington DC 1100 PM EDT Tue Apr 14 2026 ANZ532-533-540-541-150400- 1100 PM EDT Tue Apr 14 2026 ...A GUST FRONT OVER THE WATERS... The areas affected include... Chesapeake Bay from North Beach to Drum Point MD... Chesapeake Bay from Sandy Point to North Beach MD... Choptank River to Cambridge MD and the Little Choptank River... Eastern Bay... At 1059 PM EDT, Doppler radar indicated a front, capable of producing winds to around 25 knots. This front was located along a line extending from near Parsons Island to 8 nm east of National Harbor, moving southeast at 20 knots. Locations impacted include... Choptank River, Knapps Narrows Bridge, Tilghman Island, Blackwalnut Point, Greenbury Point, North Beach, Herring Bay, Highland Beach, Severn River, Bloody Point Light, Matapeake, James Island, Thomas Point Light, Poplar Island, Eastern Bay, Chesapeake Beach, Chesapeake Bay Bridge, Shady Side, Naval Academy, and Taylors Island. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds and locally higher waves. Boaters in small craft should seek safe harbor immediately. && LAT...LON 3863 7625 3857 7631 3853 7627 3853 7620 3850 7633 3844 7630 3841 7642 3870 7655 3899 7648 3899 7633 3884 7637 3893 7628 3867 7634 3873 7632 3877 7631 3872 7630 3859 7605 $$ ADS  998 FZUS71 KLWX 150302 MWSLWX Marine Weather Statement National Weather Service Baltimore MD/Washington DC 1102 PM EDT Tue Apr 14 2026 ANZ535-536-150400- 1102 PM EDT Tue Apr 14 2026 ...A GUST FRONT OVER THE WATERS... The areas affected include... Tidal Potomac from Indian Head to Cobb Island MD... Tidal Potomac from Key Bridge to Indian Head MD... At 1101 PM EDT, Doppler radar indicated a gust front, capable of producing winds to around 20 knots. This front was located along a line extending from 9 nm east of National Harbor to 9 nm west of Leesylvania State Park, moving southeast at 25 knots. Locations impacted include... Potomac Creek, Maryland Point, Nanjemoy Creek, Port Tobacco River, Leesylvania State Park, Smallwood State Park, National Harbor, Quantico, Fort Washington, Gunston Hall, Mathias Point, Woodrow Wilson Bridge, Indian Head, Occoquan Bay, Fort Hunt, Popes Creek, Fairview Beach, and Alexandria. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds and locally higher waves. Boaters in small craft should seek safe harbor immediately. && LAT...LON 3850 7733 3866 7724 3864 7720 3865 7717 3870 7721 3873 7706 3881 7707 3884 7700 3870 7700 3867 7708 3862 7709 3851 7724 3839 7723 3846 7701 3837 7697 3835 7704 3838 7706 3833 7717 3833 7729 $$ ADS  597 FZUS71 KLWX 150303 MWSLWX Marine Weather Statement National Weather Service Baltimore MD/Washington DC 1103 PM EDT Tue Apr 14 2026 ANZ530-531-538-539-150313- /O.CAN.KLWX.MA.W.0041.000000T0000Z-260415T0315Z/ 1103 PM EDT Tue Apr 14 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Chesapeake Bay from Pooles Island to Sandy Point MD... Chesapeake Bay north of Pooles Island MD... Chester River to Queenstown MD... Patapsco River including Baltimore Harbor... The showers have weakened and no longer pose a significant threat to boaters. A few gusts up to 20 kt may linger through 1130 PM. && LAT...LON 3960 7594 3949 7597 3954 7587 3945 7584 3946 7594 3940 7601 3937 7590 3936 7588 3937 7611 3932 7618 3915 7628 3909 7623 3911 7645 3926 7664 3923 7643 3946 7630 3948 7622 3937 7622 3945 7609 3954 7611 TIME...MOT...LOC 0259Z 288DEG 37KT 3939 7547 3915 7573 3899 7595 $$ ADS  196 FZUS73 KLOT 150310 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 1010 PM CDT Tue Apr 14 2026 LMZ740-777-150330- /O.CON.KLOT.MA.W.0022.000000T0000Z-260415T0330Z/ 1010 PM CDT Tue Apr 14 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT... For the following areas... Nearshore Waters from Winthrop Harbor to Wilmette Harbor... Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake... At 1010 PM CDT, strong thunderstorms were located along a line extending from 26 nm northwest of St. Joseph Light to 21 nm northeast of Harrison-Dever Crib to Wilmette Harbor, moving southeast at 35 knots. HAZARD...Wind gusts to nearly 50 knots and small hail. SOURCE...Buoy. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Strong thunderstorms will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until midnight CDT for northeastern Illinois...and the adjacent waters of Lake Michigan. Move to safe harbor until hazardous weather passes. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 4246 8702 4212 8696 4211 8760 4208 8768 4214 8775 4225 8782 4226 8782 TIME...MOT...LOC 0310Z 294DEG 35KT 4239 8696 4219 8724 4209 8768 HAIL...<.75IN WIND...49KTS $$ Kluber  425 FZUS73 KDTX 150316 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 1116 PM EDT Tue Apr 14 2026 LHZ421-422-150430- /O.CON.KDTX.MA.W.0009.000000T0000Z-260415T0430Z/ 1116 PM EDT Tue Apr 14 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT... For the following areas... Inner Saginaw Bay SW of Point Au Gres to Bay Port MI... Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay... At 1115 PM EDT, thunderstorms were over Inner Saginaw Bay with severe thunderstorms located along a line extending from 15 nm west of Linwood to 16 nm southwest of The Mouth Of The Saginaw River, moving northeast at 50 knots. HAZARD...Wind gusts to 40 knots and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. severe thunderstorms will be near... The Mouth Of The Saginaw River around 1125 PM EDT. Pinconning and Bay City Liberty Harbor around 1130 PM EDT. Sebewaing around 1150 PM EDT. Gravelly Shoals and Bay Port around 1155 PM EDT. Caseville around 1205 AM EDT. Other locations impacted by severe thunderstorms include Bay Port. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 400 AM EDT for southeastern Michigan...and the adjacent waters of Lake Huron. Move to safe harbor until hazardous weather passes. && LAT...LON 4388 8396 4399 8384 4399 8368 4405 8366 4405 8358 4419 8356 4418 8300 4405 8300 4405 8303 4400 8307 4398 8326 4393 8329 4391 8327 4386 8332 4383 8339 4370 8349 4371 8354 4359 8367 4365 8383 4365 8394 TIME...MOT...LOC 0315Z 240DEG 50KT 4377 8434 4343 8409 HAIL...>.75IN WIND...40KTS $$ SF  714 FZUS73 KLOT 150320 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 1020 PM CDT Tue Apr 14 2026 LMZ741>745-779-150430- /O.CON.KLOT.MA.W.0023.000000T0000Z-260415T0430Z/ 1020 PM CDT Tue Apr 14 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT... For the following areas... Nearshore Waters from Wilmette Harbor to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake... At 1019 PM CDT, strong thunderstorms were located along a line extending from 22 nm west of St. Joseph Light to Belmont Harbor, moving southeast at 30 knots. A gust front with a northwesterly wind shift to 40 knots precedes the thunderstorms by 5 to 10 nm. HAZARD...Wind gusts to nearly 50 knots. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Harrison-Dever Crib, Wilmette Harbor, 31st Street Harbor, Monroe Harbor, Burns Harbor, Calumet Harbor, Indiana Harbor, Montrose Harbor, Burnham Harbor, Hammond Marina, Jackson Park Harbor, and Belmont Harbor. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until midnight CDT for northeastern Illinois...and the adjacent waters of Lake Michigan. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. && LAT...LON 4162 8733 4164 8743 4168 8743 4167 8744 4169 8750 4183 8760 4189 8762 4189 8760 4190 8762 4208 8768 4211 8760 4212 8696 4179 8697 4179 8696 4172 8691 4163 8716 4162 8732 4161 8732 TIME...MOT...LOC 0319Z 317DEG 32KT 4217 8699 4194 8763 HAIL...0.00IN WIND...49KTS $$ Kluber  528 FZUS73 KLOT 150331 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 1031 PM CDT Tue Apr 14 2026 LMZ740-777-150339- /O.EXP.KLOT.MA.W.0022.000000T0000Z-260415T0330Z/ 1031 PM CDT Tue Apr 14 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 1030 PM CDT... The affected areas were... Nearshore Waters from Winthrop Harbor to Wilmette Harbor... Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake... The thunderstorms have weakened and no longer pose a significant threat to boaters. However, frequent lightning and winds to under 30 knots are likely to continue through 1100 PM CDT. A Tornado Watch remains in effect until midnight CDT for northeastern Illinois...and the adjacent waters of Lake Michigan. && LAT...LON 4246 8702 4212 8696 4211 8760 4208 8768 4214 8775 4225 8782 4226 8782 TIME...MOT...LOC 0329Z 275DEG 44KT 4237 8665 4217 8693 4207 8737 $$ Kluber  950 FZUS73 KDTX 150343 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 1143 PM EDT Tue Apr 14 2026 LHZ421-422-150430- /O.CON.KDTX.MA.W.0009.000000T0000Z-260415T0430Z/ 1143 PM EDT Tue Apr 14 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1230 AM EDT... For the following areas... Inner Saginaw Bay SW of Point Au Gres to Bay Port MI... Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay... At 1143 PM EDT, strong thunderstorms were located along a line extending from Pinconning to near Quanicassee, moving northeast at 40 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. strong thunderstorms will be near... Sebewaing around 1200 AM EDT. Gravelly Shoals around 1205 AM EDT. Bay Port around 1210 AM EDT. Caseville around 1220 AM EDT. Other locations impacted by strong thunderstorms include Bay Port. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 400 AM EDT for southeastern Michigan...and the adjacent waters of Lake Huron. Move to safe harbor until hazardous weather passes. && LAT...LON 4388 8396 4399 8384 4399 8368 4405 8366 4405 8358 4419 8356 4418 8300 4405 8300 4405 8303 4400 8307 4398 8326 4393 8329 4391 8327 4386 8332 4383 8339 4370 8349 4371 8354 4359 8367 4365 8383 4365 8394 TIME...MOT...LOC 0343Z 241DEG 38KT 4384 8398 4350 8372 HAIL...<.75IN WIND...>34KTS $$ SF