SAFETY/UPPER MISSISSIPPI RIVER/ATON/SEC UMR BNM 0101-26
U.S. Coast Guard sent this bulletin at 05/21/2026 05:44 PM EDT
A. THE FOLLOWING ZONES ARE IN HIGH WATER WATCH PHASE IN ACCORDANCE WITH THE WESTERN RIVERS WAP ANNEX:
1. UMR: Zone 28 St. Louis (MM 160.1 - 185.4 UMR)
2. UMR: Zone 29 St. Louis (MM 109.9 - 160.0 UMR)
B. ALL TOWING VESSELS ARE ADVISED TO FAVOR THE CENTER OF THE CHANNEL AND PROCEED AT THE SLOWEST SAFE OPERATING SPEED BASED UPON PREVAILING CONDITIONS IN ORDER TO MINIMIZE WAKE DAMAGE TO PERSONAL PROPERTY. TOWBOAT OPERATORS SHOULD BE EXPERIENCED IN HIGH WATER OPERATION, USE CAUTION IN ALL PASSING AND MEETING SITUATIONS AND BE MINDFUL OF ALL CHARTED BRIDGE NAVIGATIONAL CLEARANCES. DOWNSTREAMING OPERATIONS ARE NOT RECOMMENDED. DRIFT AND DEBRIS MAY BE A HAZARD TO NAVIGATION AND MAY DRAG BUOYS OFF STATION SO REMAIN CAUTIOUS WHILE TRANSITING.
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