Notice to Navigators: Southeast Rivers

NOTICE TO MARINERS
Southeast Rivers
 

LNM 10-22

 

SECTION I – SPECIAL NOTICES

This section contains information of special concern to the Mariner.

 

FL/AL/GA - APALACHICOLA - CHATTAHOOCHEE AND FLINT (ACF) RIVER SYSTEM – UPDATE

In accordance with Section 7-11 of the Apalachicola, Chattahoochee and Flint Master Water Control Manual and the Jim Woodruff Lock and Dam and Lake Seminole Water Control Manual (Appendix A) dated March 2017, a 7-foot navigation channel will be supported via water releases on the ACF through May when the composite storage for the system is in Zones 1 and 2.  The composite storage graphic, which is updated weekly, can be viewed at the following website: https://water.sam.usace.army.mil/ACFconstorage.pdf A 7.4 foot Blountstown Stage is needed to provide a 7-foot channel on the Apalachicola River.  River stages for the ACF system can be viewed at: https://water.sam.usace.army.mil/forecast_acf_plots.htm

Commercial mariners should schedule lockage appointments at the Jim Woodruff Lock by calling (850) 663-4692 or (229) 723-3482.  George W. Andrews and Walter F. George Locks remain closed due to mechanical failures.  Navigation Bulletins will be issued on a monthly and as-needed basis throughout the navigation season.  For further information, mariners can contact Ashley Kleinschrodt, at (251) 694-3726.

 

*new*     ATLANTIC OCEAN - GEORGIA - FLORIDA - JACKSONVILLE: USN EXERCISES

The following areas will contain exercises hazardous to surface vessels in the JAX/CHASNOA during 07 - 13 March, 2022. Mariners are advised to avoid these areas: Date: 07 - 13 MAR: 0000-2359 (Local) GUNEX AREA W-137L

30-45-00N/80-56-55W to

30-45-00N/80-30-00W to

30-34-53N/80-30-00W to

30-34-53N/80-57-48W to

30-36-00N/80-57-39W to beginning

Date: 07 - 13 MAR: 0000-2359 (Local) GUNEX AREA W-138L

30-45-00N/80-30-00W to

30-45-00N/79-38-46W to

30-34-53N/79-41-34W to

30-34-53N/80-30-00W to beginning

Date: 07 - 13 MAR: 0000-2359 (Local) GUNEX AREA 31J

29-20-00N/79-50-00W to

29-20-00N/79-40-00W to

29-10-00N/79-40-00W to

29-10-00N/79-50-00W to beginning

Date: 07 - 13 MAR: 0000-2359 (Local) GUNEX AREA 27C

30-00-00N/81-00-00W to

30-00-00N/80-50-00W to

29-50-00N/80-50-00W to

29-50-00N/81-00-00W to beginning

Date: 07 - 13 MAR: 0000-2359 (Local) AREA JSWTR (underwater shallow water training range with hydrophones)

30-28-33.348N/80-22-17.688W

30-28-39.360N/79-59-58.920W

30-02-57.912N/80-06-48.168W

30-03-03.960N/80-28-32.268W

Date:07 - 13 MAR: 0000-2359 (Local)  DIPPING AREA  26G

30-00N3 80-10W9

30-10N4 80-10W9

30-10N4 80-20W0

30-00N3 80-06W4

30-04N7 80-20W0

*PLEASE SEE ADDITIONAL ENCLOSURES AT THE END OF THIS NOTICE*

                       

SECTION V - ADVANCE NOTICES

 This section contains advance notice of approved projects, changes to aids to navigation, or upcoming temporary changes such as dredging, etc.  Mariners are advised to use caution while transiting these areas.

 

*new*     FLORIDA – ST. JOHNS RIVER –WHITE SHELLS CUT

The following changes have been approved to the Aids to Navigation System in the St. Johns River: White Shells Cut LB 27 (LLNR 7315) will be permanently relocated to position 30-23-36.519N/081-28-49.734W to align with the newly dredged channel. In addition the light characteristics will change from an Fl G 4s to Fl G 2.5s and the nominal range will change to 4NM. White Shells Cut LB 29 (LLNR 7327) will be permanently established in position 30-23-32.497N/081-29-05.835W to align with the newly dredged channel. Aid will display an Fl G 4s light characteristic with a 4NM nominal range. St. Johns Bluff LB 30 (LLNR 7329) will be permanently established in position 30-23-31.560N/081-29-28.978W to align with the newly dredged channel. Aid will display an FL R 4s light characteristic with a 4NM nominal range.

 

SECTION VII – GENERAL

This section contains information of general concern to the Mariners. Mariners are advised to use caution while transiting these areas.

 

*new*     FLORIDA – NAPLES – CLAM PASS: Maintenance Dredging.

TSI Disaster Recovery will be dredging Clam Pass in position 26-13.216N/ 081-49.066W. From March 01, 2022 until approximately April 15, 2022. Operations are from uplands using land based equipment. Dredging will be conducted every day during daylight hours, unless severe weather approaches. Mariners are advised to exercise caution while transiting the area. Any questions can be directed to Beau Tyson/ Lisa Jacobs 239-2521355.

 

Cumberland River

MILE 0.7 - SUNK BARGE- A sunken barge has been reported in the vicinity of Mile 0.7, RDB, outside of the navigation channel.  Mariners are urged to exercise caution in the area.

 

Monongahela River

MILE 14.2 - MILE 11.3 - CHANNEL CONDITION/SAFETY ADVISORY - UPDATE

High water conditions have lessened.  The COTP Safety Advisory has been cancelled.