OPERATIONAL STATUS AND LOCK CLOSINGS MARYS FALLS CANAL   NOTICE NUMBER: L21-02 EFFECTIVE: 04/18/2021 07:00 EST   The MacArthur Lock will be open to all shipping traffic for the 2021 shipping season April 18, 2021 at 0700hrs.   The Poe Lock remains fully operational.   If the repairs are finished ahead of schedule, the MacArthur…

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NOTICE TO MARINERS GREAT LAKES LNM 13-21 SECTION II – DISCREPANCIES This section lists all reported and corrected discrepancies related to Aids to Navigation in this edition. A discrepancy is a change in the status of an aid to navigation that differs from what is published or charted.   DISCREPANCIES (FEDERAL AIDS)   LLNR   Aid…

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NOTICE TO MARINERS GREAT LAKES  LNM 12-21   SECTION I – SPECIAL NOTICES This section contains information of special concern to the Mariner.   LAKE MICHIGAN – UPPER GREEN BAY – CHART 14909 Plum Island Range Rear Light (LLNR 21310) The light will be extinguished, and the day mark will be removed due to structural…

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NOTICE TO MARINERS GREAT LAKES LNM 11-21   SECTION I – SPECIAL NOTICES This section contains information of special concern to the Mariner.   LAKE SUPERIOR – REDRIDGE TO SAXON HARBOR – CHART 14965 Black River West Breakwater Light (LLNR 15235) Discontinue the fixed light and replace it with a lighted buoy marking the end…

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NOTICE TO MARINERS GREAT LAKES  LNM 10-21   SECTION I – SPECIAL NOTICES This section contains information of special concern to the Mariner.   ST.MARYS RIVER – AMERICAN CANAL – CHART 14884 Northeast Pierhead Light (LLNR14205) The U. S. Army Corps of Engineers will be relocating this light to the top of their new camera…

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NWS Greater Mississippi River Basin: Spring Hydrologic Outlook Webinar for External Partners #3   Greetings,   As mentioned, the NWS Greater Mississippi River Basin: Spring Hydrologic Outlook Webinar #3 for External Partners this afternoon was recorded. That recording is now available here:   https://www.youtube.com/watch?v=AVAXizxgxdw   Should you have any questions, please email nws.nwc.ops@noaa.gov   Thanks,   Katie Ertell…

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OPERATIONSAL STATUS AND LOCK CLOSINGS MARYS FALLS CANAL   NOTICE NUMBER: 13472 / L21-01 EFFECTIVE: 03/24/2021 12:00 thru 01/15/2022 00:00 EDT   The Poe Lock will open for the 2021 navigation season 24 March 2021 at 1200 hrs. The Poe Lock will be operational twenty-four (24) hours a day, seven days a week.   The…

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NOTICE TO MARINERS GREAT LAKES   LNM 09-21   SECTION II – DISCREPANCIES This section lists all reported and corrected discrepancies related to Aids to Navigation in this edition. A discrepancy is a change in the status of an aid to navigation that differs from what is published or charted.   LLNR   Aid Name   …

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