NAVNOTICE# 1137 - High Waters on the Illinois River and Upper Mississippi River CHANGE

To: ALL MARINERS
From: Coast Guard Upper Miss
Date: 5/27/08
Subject: High Waters on the Illinois River and Upper Mississippi River CHANGE
NAVNOTICE # 1137

SUBJ: WESTERN RIVERS BNM NR 0187-08 UM
SAFETY AND SCHED BCSTS UNTIL CANCELLED
CANCEL WESTERN RIVERS BNM NR 0184-08 UM
USCG NOTICE TO MARINERS EIGHTH DISTRICT NR 0187-08 UM
SECTOR UPPER MISSISSIPPI RIVER ISSUES THE FOLLOWING SAFETY
ADVISORY:
A. ZONE 28 (MILES 109.9 - 185.4 UMR) IS IN THE HIGH WATER WATCH
PHASE OF THE UMR WAP ANNEX.
B. THE FOLLOWING ZONES ARE IN THE HIGH WATER RECOVERY PHASE OF THE
UMR WAP ANNEX: ZONES 25 - 22 (MILES 241.4 – 343.1 UMR).
C. THE FOLLOWING ZONES ARE IN THE HIGH WATER RECOVERY PHASE OF THE
ILR WAP ANNEX: ZONES 1 - 2 (MILES 0.0 - 49.9 ILR).
D. DOWN STREAMING OPERATIONS ARE NOT RECOMMENDED FOR VESSELS
OPERATING IN THESE ZONES UNLESS THE VESSEL IS EQUAL TO OR GREATER
THAN 75 FEET IN LENGTH AND THE VESSEL HAS A MINIMUM OF 1800
HORSEPOWER. DUE TO HIGH RIVER LEVELS, DRIFT OF DEBRIS IS AN ISSUE
WITH NAVIGATION AND IT MAY DRAG BUOYS OFF STATION AND SEVER BUOYS
FROM THEIR MOORINGS.
E. ALL TOWING VESSELS SHOULD PROCEED AT THE SLOWEST SAFE OPERATING
SPEED BASED UPON PREVAILING CONDITIONS IN ORDER TO MINIMIZE WAKE
DAMAGE. ALL MARINERS ARE ENCOURAGED TO ENSURE THAT MOORED VESSELS
AND BARGES ARE ADEQUATELY SECURED. COTP UPPER MISSISSIPPI RIVER
REMINDS ALL MARINERS TO USE EXTRA CAUTION AND TO BE ESPECIALLY
VIGILANT DURING ALL BRIDGE AND LOCK APPROACHES IN THESE ZONES DUE
TO SWIFT CURRENTS.