075
WHUS73 KAPX 060638
MWWAPX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
238 AM EDT SAT SEP 6 2025
LHZ345-346-LMZ323-341-342-344>346-061445-
/O.EXT.KAPX.SC.Y.0088.000000T0000Z-250906T1800Z/
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING
MACKINAC ISLAND-ST IGNACE TO FALSE DETOUR CHANNEL-
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO
NORWOOD MI-SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE
TRAVERSE BAY-SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-
POINT BETSIE TO SLEEPING BEAR POINT MI-
MANISTEE TO POINT BETSIE MI-
238 AM EDT SAT SEP 6 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...
* WHAT...HIGHEST GUSTS UP TO 30 KTS FROM THE WEST EARLY THIS
MORNING, TURNING NORTHWEST LATER THIS MORNING. HIGHEST WAVES 6
TO 8 FEET THIS MORNING, SUBSIDING TO 2 TO 4 FEET THROUGH THE
AFTERNOON.
* WHERE...PORTIONS OF LAKE HURON AND LAKE MICHIGAN.
* WHEN...UNTIL 2 PM EDT THIS AFTERNOON.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LSZ321-061445-
/O.EXT.KAPX.SC.Y.0088.000000T0000Z-250907T0000Z/
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-
238 AM EDT SAT SEP 6 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
* WHAT...HIGHEST GUSTS UP TO 30 KTS FROM THE WEST EARLY THIS
MORNING, TURNING NORTHWEST LATER THIS MORNING. HIGHEST WAVES
AROUND 9 FEET.
* WHERE...WHITEFISH BAY (U. S. PORTION)/WHITEFISH POINT TO POINT
IROQUOIS MI.
* WHEN...UNTIL 8 PM EDT 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.
LHZ347>349-061200-
/O.CON.KAPX.SC.Y.0088.000000T0000Z-250906T1200Z/
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING
BOIS BLANC ISLAND-
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY
NATIONAL MARINE SANCTUARY-STURGEON PT TO ALABASTER MI-
238 AM EDT SAT SEP 6 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...
* WHAT...HIGHEST GUSTS UP TO 30 KTS FROM THE WEST AND HIGHEST
WAVES AROUND 4 FEET.
* WHERE...5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI
INCLUDING BOIS BLANC ISLAND, PRESQUE ISLE LIGHT TO STURGEON PT
MI INCLUDING THUNDER BAY NATIONAL MARINE SANCTUARY AND
STURGEON PT TO ALABASTER MI.
* WHEN...UNTIL 8 AM EDT THIS MORNING.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
LSZ322-061200-
/O.CON.KAPX.SC.Y.0088.000000T0000Z-250906T1200Z/
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-
238 AM EDT SAT SEP 6 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...
* WHAT...HIGHEST GUSTS UP TO 25 KTS FROM THE WEST AND HIGHEST
WAVES AROUND 3 FEET.
* WHERE...ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING
BAY.
* WHEN...UNTIL 8 AM EDT THIS MORNING.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
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