481
WHUS73 KGRR 161950
MWWGRR
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
350 PM EDT WED JUL 16 2025
LMZ844>849-170400-
/O.CON.KGRR.SC.Y.0065.250717T0600Z-250718T0600Z/
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-
HOLLAND TO GRAND HAVEN MI-GRAND HAVEN TO WHITEHALL MI-
WHITEHALL TO PENTWATER MI-PENTWATER TO MANISTEE MI-
350 PM EDT WED JUL 16 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM THURSDAY TO
2 AM EDT FRIDAY...
* WHAT...WINDS BECOMING NORTHWEST AND THEN NORTH TONIGHT
INCREASING TO 15 TO 30 KNOTS. WAVES WILL BUILD TO 4 TO 7 FEET
OVERNIGHT AND CONTINUE AT THOSE HEIGHTS THROUGH THURSDAY.
* WHERE...ST JOSEPH TO MANISTEE.
* WHEN...FROM 2 AM THURSDAY TO 2 AM EDT FRIDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
* ADDITIONAL DETAILS...LOW PRESSURE WILL SWEEP THROUGH THE AREA
TONIGHT WITH NORTHERLY WINDS INCREASING IN THE WAKE OF THE LOW
OVER LAKE MICHIGAN. WAVES WILL BUILD TO 4 TO 7 FEET BY
THURSDAY MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
DUKE
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