LNM08R-4437BA
ArchivedReceived: 7 Oct 2026, 00:00Archived: 4 Nov 2026, 18:21Updated: 4 Nov 2026, 18:21
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LOWER MISSISSIPPI RIVER - UPPER MISSISSIPPI RIVER
General / LAA / RNA / Temporary Regulated Navigation Zone
The navigation channel width has been reduced to 580 feet, between approximate Miles 110.5 and 109.5. Mariners are advised to implement a one-way traffic pattern with no meeting, passing or overtaking. Mariners are advised to transit the area with extreme caution and report any areas of shoaling or groundings to the U.S. Coast Guard Sector Ohio Valley on VHF-FM Channel 16.
USCG Heartland (MRS) District Local Notice to Mariners 43/2026