189 WHUS73 KMQT 182317 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 717 PM EDT Mon May 18 2026 LMZ248-250-191130- /O.NEW.KMQT.MF.Y.0013.260518T2317Z-260519T1700Z/ /O.CON.KMQT.SC.Y.0086.260519T0600Z-260520T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 717 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM EDT TUESDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile at times. For the Small Craft Advisory, southwest winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Dense Fog Advisory, until 1 PM EDT Tuesday. For the Small Craft Advisory, from 2 AM to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ221-191130- /O.NEW.KMQT.MF.Y.0013.260518T2317Z-260519T1700Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 717 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM EDT TUESDAY... * WHAT...Dense fog will reduce visibility to less than one nautical mile at times. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 1 PM EDT Tuesday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ244-191130- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260519T1500Z/ /O.CON.KMQT.SC.Y.0086.260519T0600Z-260520T0000Z/ Eagle River to Manitou Island MI- 717 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT TUESDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, northwest winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 5 ft expected. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Dense Fog Advisory, until 11 AM EDT Tuesday. For the Small Craft Advisory, from 2 AM to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ245-191130- /O.CON.KMQT.MF.Y.0012.260519T0500Z-260519T1200Z/ /O.CON.KMQT.SC.Y.0086.260519T1500Z-260520T0000Z/ Manitou Island to Point Isabelle MI- 717 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT TUESDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, northwest winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...For the Dense Fog Advisory, from 1 AM to 8 AM EDT Tuesday. For the Small Craft Advisory, from 11 AM to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ248>251-191130- /O.CON.KMQT.MF.Y.0011.260519T0000Z-260519T1200Z/ /O.CON.KMQT.SC.Y.0086.260519T1400Z-260520T0000Z/ Huron Islands to Marquette MI-Marquette to Munising MI- Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 717 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT TUESDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM EDT TUESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, west winds 15 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Huron Islands to Marquette MI, Marquette to Munising MI, Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...For the Dense Fog Advisory, until 8 AM EDT Tuesday. For the Small Craft Advisory, from 10 AM to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ246-247-191130- /O.CON.KMQT.MF.Y.0012.260519T0500Z-260519T1200Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 717 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EDT TUESDAY... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...From 1 AM to 8 AM EDT Tuesday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ264>266-191130- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260519T1500Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- 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- 717 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT TUESDAY... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and 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. * WHEN...Until 11 AM EDT Tuesday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ267-191130- /O.CON.KMQT.MF.Y.0011.000000T0000Z-260519T1800Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 717 PM EDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT TUESDAY... * WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 2 PM EDT Tuesday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LSZ240>243-191130- /O.CON.KMQT.SC.Y.0086.260519T0900Z-260519T1800Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 717 PM EDT Mon May 18 2026 /617 PM CDT Mon May 18 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM EDT /4 AM CDT/ TO 2 PM EDT /1 PM CDT/ TUESDAY... * WHAT...Northwest winds 10 to 15 kt with gusts up to 20 kt and waves 3 to 5 ft expected. * WHERE...Saxon Harbor WI to Black River MI, Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...From 5 AM EDT /4 AM CDT/ to 2 PM EDT /1 PM CDT/ Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$  230 WHAK77 PAJK 182317 MWWAJK URGENT - MARINE WEATHER MESSAGE National Weather Service Juneau AK 317 PM AKDT Mon May 18 2026 PKZ652-672-190730- /O.EXT.PAJK.SC.Y.0194.000000T0000Z-260519T0300Z/ /O.EXT.PAJK.SC.Y.0193.260519T0900Z-260520T0200Z/ Icy Cape to Cape Suckling out to 15 NM- Icy Cape to Cape Suckling from 15 to 80 NM- 317 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM AKDT THIS EVENING... ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 AM TO 6 PM AKDT TUESDAY... * WHAT...For the first Small Craft Advisory, seas 7 to 8 ft. For the second Small Craft Advisory, southeast winds 20 to 30 kt with gusts up to 35 kt and seas 7 to 10 ft expected. * WHERE...Icy Cape to Cape Suckling out to 15 NM and Icy Cape to Cape Suckling from 15 to 80 NM. * WHEN...For the first Small Craft Advisory, until 7 PM AKDT this evening. For the second Small Craft Advisory, from 1 AM to 6 PM AKDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PKZ651-190730- /O.EXT.PAJK.SC.Y.0194.000000T0000Z-260519T0300Z/ /O.EXT.PAJK.SC.Y.0196.260519T1200Z-260520T0200Z/ Cape Fairweather to Icy Cape out to 15 NM- 317 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM AKDT THIS EVENING... ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 AM TO 6 PM AKDT TUESDAY... * WHAT...For the first Small Craft Advisory, seas 6 to 8 ft. For the second Small Craft Advisory, east winds 15 to 25 kt and seas 6 to 8 ft expected. * WHERE...Cape Fairweather to Icy Cape out to 15 NM. * WHEN...For the first Small Craft Advisory, until 7 PM AKDT this evening. For the second Small Craft Advisory, from 4 AM to 6 PM AKDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PKZ641-661-662-190730- /O.EXT.PAJK.SC.Y.0193.000000T0000Z-260519T0900Z/ Dixon Entrance to Cape Decision out to 15 NM- Dixon Entrance to Cape Decision from 15 to 90 NM- Cape Decision to Cape Edgecumbe from 15 to 80 NM- 317 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM AKDT TUESDAY... * WHAT...Seas 6 to 8 ft. * WHERE...Dixon Entrance to Cape Decision out to 15 NM, Dixon Entrance to Cape Decision from 15 to 90 NM and Cape Decision to Cape Edgecumbe from 15 to 80 NM. * WHEN...Until 1 AM AKDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PKZ642-643-190300- /O.EXT.PAJK.SC.Y.0193.000000T0000Z-260519T0300Z/ Cape Decision to Cape Edgecumbe out to 15 NM- Cape Edgecumbe to Cape Spencer out to 15 NM- 317 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM AKDT THIS EVENING... * WHAT...Seas 6 to 9 ft. * WHERE...Cape Decision to Cape Edgecumbe out to 15 NM and Cape Edgecumbe to Cape Spencer out to 15 NM. * WHEN...Until 7 PM AKDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PKZ644-664-671-190300- /O.EXT.PAJK.SC.Y.0194.000000T0000Z-260519T0300Z/ Cape Spencer to Cape Fairweather out to 15 NM- Cape Spencer to Cape Fairweather from 15 to 85 NM- Cape Fairweather to Icy Cape from 15 to 80 NM- 317 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM AKDT THIS EVENING... * WHAT...Seas around 8 ft. * WHERE...Cape Spencer to Cape Fairweather out to 15 NM, Cape Spencer to Cape Fairweather from 15 to 85 NM and Cape Fairweather to Icy Cape from 15 to 80 NM. * WHEN...Until 7 PM AKDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PKZ663-190730- /O.CON.PAJK.SC.Y.0193.000000T0000Z-260519T0900Z/ Cape Edgecumbe to Cape Spencer from 15 to 80 NM- 317 PM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM AKDT TUESDAY... * WHAT...Seas 7 to 8 ft. * WHERE...Cape Edgecumbe to Cape Spencer from 15 to 80 NM. * WHEN...Until 1 AM AKDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$  430 WHUS73 KMKX 182321 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 621 PM CDT Mon May 18 2026 LMZ261-362-364-366-563-565-567-868-190730- /O.NEW.KMKX.MF.Y.0006.260518T2321Z-260519T1700Z/ Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake- Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore- Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake- Lake Michigan from Point Betsie to Manistee MI 5NM offshore to Mid Lake- Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake- Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake- 621 PM CDT Mon May 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CDT TUESDAY... * WHAT...Dense fog will reduce visibility to less than 1 NM. * WHERE...Northern Open Waters of Lake Michigan. * WHEN...Until noon CDT Tuesday. * IMPACTS...Low visibility will make navigation difficult. * ADDITIONAL DETAILS...Dense fog was observed over the open waters from a ship west of Ludington MI at 600 PM CDT. Satellite data indicates this same fog extends over much of the northern open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ643-190730- /O.CON.KMKX.SC.Y.0054.000000T0000Z-260520T0000Z/ Sheboygan to Port Washington WI- 621 PM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT TUESDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft. Winds veer northwest with a passing front Tuesday afternoon. * WHERE...Nearshore Waters from Sheboygan to Port Washington. * WHEN...Until 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ644>646-190730- /O.CON.KMKX.SC.Y.0054.260519T0900Z-260519T2100Z/ Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 621 PM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM CDT TUESDAY... * WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt expected. Waves 3 to 5 feet. Winds veer northwest with a passing front Tuesday afternoon. * WHERE...Nearshore Waters from Port Washington to Winthrop Harbor IL. * WHEN...From 4 AM to 4 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Sheppard  894 WHUS74 KBRO 182328 MWWBRO URGENT - MARINE WEATHER MESSAGE National Weather Service Brownsville TX 628 PM CDT Mon May 18 2026 GMZ130-132-135-150-155-170-175-191400- /O.CON.KBRO.SC.Y.0026.000000T0000Z-260519T1400Z/ Laguna Madre from the Port of Brownsville to the Arroyo Colorado- Laguna Madre from the Arroyo Colorado To 5 NM north of Port Mansfield TX- Laguna Madre from 5 nm north of Port Mansfield to Baffin Bay TX- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- Gulf waters from Port Mansfield to the Rio Grande extending from 20 to 60 nm- Gulf waters from Baffin Bay to Port Mansfield extending from 20 to 60 nm- 628 PM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT TUESDAY... * WHAT...Seas 4 to 7 feet. * WHERE...All Lower Texas Coastal Waters including the Laguna Madre. * WHEN...Until 9 AM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$