554 FZUS73 KAPX 062133 MWSAPX Marine Weather Statement National Weather Service Gaylord MI 533 PM EDT Mon Apr 6 2026 LSZ322-070530- 533 PM EDT Mon Apr 6 2026 ...ST. MARY'S RIVER IS CLOSED TO VESSEL NAVIGATION... The United States Coast Guard in Sault Ste Marie has closed the St. Mary's River and Whitefish Bay from Light 26 to Whitefish Point due to gusty winds producing shifting ice and low visibilities. Opening time is unknown. && LAT...LON 4646 8456 4645 8448 4650 8442 4651 8438 4650 8433 4643 8437 4640 8447 4641 8465 4652 8464 $$ MSB