720
WHUS73 KAPX 180335
MWWAPX
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GAYLORD MI
1035 PM EST WED DEC 17 2025
LMZ323-341-342-344>346-181415-
/O.CON.KAPX.GL.W.0036.251218T0500Z-251219T1500Z/
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-
1035 PM EST WED DEC 17 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST FRIDAY
* WHAT...HIGHEST GUSTS UP TO 40 KTS FROM THE SOUTHWEST AND
HIGHEST WAVES AROUND 13 FEET EXPECTED.
* WHERE...PORTIONS OF LAKE MICHIGAN.
* WHEN...UNTIL 10 AM EST FRIDAY.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS HIGHEST WAVES
WHICH COULD CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE
VESSEL FOR HAZARDOUS CONDITIONS.
LHZ345>349-LSZ321-322-181415-
/O.CON.KAPX.SC.Y.0128.251218T0500Z-251219T1500Z/
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING
MACKINAC ISLAND-ST IGNACE TO FALSE DETOUR CHANNEL-
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-
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-
1035 PM EST WED DEC 17 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
FRIDAY...
* WHAT...HIGHEST GUSTS UP TO 35 KTS FROM THE SOUTH AND HIGHEST
WAVES AROUND 10 FEET EXPECTED.
* WHERE...PORTIONS OF LAKE HURON AND LAKE SUPERIOR.
* WHEN...UNTIL 10 AM EST FRIDAY.
* 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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