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The first page of a local notice to mariners

A local notice to mariners is an authoritative instruction issued by a designated official, typically the harbormaster.

United States

In the United States, notices are issued by each U.S. Coast Guard district to disseminate important information affecting navigational safety within that district. This notice reports changes and deficiencies in aids to navigation maintained by the Coast Guard. Other marine information such as new charts, channel depths, naval operations, and regattas is included. Since temporary information of short duration is not included in the weekly notice to mariners, the local notice to mariners may be the only source of such information. Small craft using the Intracoastal Waterway and small harbors not normally used by oceangoing vessels need it to keep charts and publications up-to-date.

Since correcting information for U.S. charts in the notice to mariners is obtained from the Coast Guard local notices, it is normal to expect a lag of one or two weeks for the notice to mariners to publish a correction from this source.

The local notice to mariners may be obtained free of charge by contacting the appropriate Coast Guard district commander. Vessels operating in ports and waterways in several districts must obtain a local notice to mariners from each district.

Sources

The text of the US material originated from section 422 of The American Practical Navigator, a document produced by the government of the United States of America.

Examples

LNTMs are, by definition, concerned with local issues. Each issuing authority has its own series of LNTMs – there is no international standard numbering or indexing scheme. Individual LNTMs may concern short or long term situations. Mariners are instructed by LNTM 28/07 to "keep clear of warship berths". LNTM 5/2008 concerns "Bunkering or transferring oil in port". No. 16 of 2008 "Sea defence works at Hayling Island" gives timely information about dredging operations.

External links

Chapter 4: Nautical Publications - from the online edition of Nathaniel Bowditch's American Practical Navigator
Local Notices to Mariners online

@@ Line 1: / Line 1: @@
+[[Image:Local-notice-to-mariners-thumb.jpg|thumb|The first page of a local notice to mariners]]
-{| class="infobox bordered" style="width: 17em; text-align: left; font-size: 95%;"
+A '''local notice to mariners''' is an authoritative instruction issued by a designated official, typically the [[harbormaster]].
-|+ style="font-size: larger;" | '''Local Notice to Mariners'''
-|-
-| colspan="2" style="text-align:center;" | [[Image:Local-notice-to-mariners-thumb.jpg|175px|]]<br />The first page of a Local Notice to Mariners.
-|-
-! Purpose:
-| Provide corrections of a local nature to navigational publications and nautical charts.
-|-
-! Publication Frequency:
-| Weekly
-|-
-! Published by:
-| Local [[U.S. Coast Guard]] District
-|-
-! Available Online:
-| Yes [http://www.navcen.uscg.gov/?pageName=lnmMain]
-|-
-| colspan="2" style="font-size: smaller;" | {{{footnotes|}}}
-|}
-A '''Local Notice to Mariners''' is an authoritative instruction issued by a designated official, typically the [[harbormaster]].
 ==United States==
-In the United States, notices are issued by each [[U.S. Coast Guard]] District to disseminate important information affecting navigational safety within that District. This Notice reports changes and deficiencies in aids to navigation maintained by the Coast Guard. Other marine information such as new [[nautical chart|charts]], channel depths, naval operations, and regattas is included. Since temporary information of short duration is not included in the weekly [[Notice to Mariners]], the ''Local Notice to Mariners'' may be the only source of such information. Small craft using the [[Intracoastal Waterway]] and small harbors not normally used by oceangoing vessels need it to keep charts and publications up-to-date.
+In the United States, notices are issued by each [[U.S. Coast Guard]] district to disseminate important information affecting navigational safety within that district. This notice reports changes and deficiencies in aids to navigation maintained by the Coast Guard. Other marine information such as new [[nautical chart|charts]], channel depths, naval operations, and regattas is included. Since temporary information of short duration is not included in the weekly [[Notice to Mariners|notice to mariners]], the ''local notice to mariners'' may be the only source of such information. Small craft using the [[Intracoastal Waterway]] and small harbors not normally used by oceangoing vessels need it to keep charts and publications up-to-date.
-Since correcting information for U.S. charts in the ''Notice to Mariners'' is obtained from the Coast Guard Local Notices, it is normal to expect a lag of 1 or 2 weeks for the ''Notice to Mariners'' to publish a correction from this source.
+Since correcting information for U.S. charts in the ''notice to mariners'' is obtained from the Coast Guard local notices, it is normal to expect a lag of one or two weeks for the notice to mariners to publish a correction from this source.
-The ''Local Notice to Mariners'' may be obtained free of charge by contacting the appropriate Coast Guard District Commander. Vessels operating in ports and waterways in several districts must obtain the ''Local Notice to Mariners'' from each district. <!-- See Figure 422 for a complete list of U.S. Coast Guard Districts. provide a link instead-->
+The local notice to mariners may be obtained free of charge by contacting the appropriate Coast Guard district commander. Vessels operating in ports and waterways in several districts must obtain a local notice to mariners from each district. <!-- See Figure 422 for a complete list of U.S. Coast Guard Districts. provide a link instead-->
-===Source===
+===Sources===
-The text of the US material originated from section 422 of The [[American Practical Navigator]], a document produced by the government of the [[United States|United States of America]].
+The text of the US material originated from section 422 of The [[American Practical Navigator]], a document produced by the government of the United States of America.
 ==Examples==
-LNTMs are, by definition, concerned with local issues. Each port has its own series of LNTMs – there is no international standard numbering or indexing scheme. Individual LNTMs may concern short or long term situations. At [http://www.qhmportsmouth.com/port-lntm/ Portsmouth], mariners are instructed by LNTM 28/07 to ''keep clear of warship berths''. At [http://www.holyheadport.com/LNTM%20Index.pdf Holyhead], LNTM 5/2008 concerns ''Bunkering or transferring oil in port''. At [http://www.conservancy.co.uk/water/local_notices.asp Chichester], No 16 of 2008 ''Sea defence works at Hayling Island'' gives timely information about dredging operations.
+LNTMs are, by definition, concerned with local issues. Each issuing authority has its own series of LNTMs – there is no international standard numbering or indexing scheme. Individual LNTMs may concern short or long term situations. Mariners are instructed by LNTM 28/07 to "keep clear of warship berths". LNTM 5/2008 concerns "Bunkering or transferring oil in port". No. 16 of 2008 "Sea defence works at Hayling Island" gives timely information about dredging operations.
 ==See also==
-{{Portal|Nautical}}
-*[[American Practical Navigator]]
 *[[Buoy]]
 *[[Coast Pilots]]
-*[[Light List]]
 *[[List of Lights]]
-*[[Notice to Mariners]]
 *[[Sailing Directions]]
 ==External links==
-* [http://www.irbs.com/bowditch/pdf/chapt04.pdf Chapter 4: Nautical Publications] - from the online edition of [[Nathaniel Bowditch]]'s ''American Practical Navigator''
+* [https://web.archive.org/web/20061016164246/http://www.irbs.com/bowditch/pdf/chapt04.pdf Chapter 4: Nautical Publications] - from the online edition of [[Nathaniel Bowditch]]'s ''American Practical Navigator''
 * [http://www.navcen.uscg.gov/?pageName=lnmMain Local Notices to Mariners online]

v t e Passage planning
General references	American Practical Navigator
Nautical charts	Chart correction
Lights and buoys	List of lights
Geographic information	Coast Pilots Sailing Directions Distances Between Ports
Celestial navigation	Nautical almanac
Tidal information	Tide tables
Radio information	Radio Navigational Aids
Periodicals	Notice to mariners Local Notice to Mariners
See also	Glossary of nautical terms (A–L) Glossary of nautical terms (M–Z)

v t e Works about sailing
Books	Bowditch's American Practical Navigator Chapman Piloting Coast Pilots The Cruise of the Snark The Last Grain Race Light List Local Notice to Mariners Nautical almanac Notice to Mariners Radio Navigational Aids Sailing Alone Around the World Sailing Directions Sea Survival: A Manual Swallows and Amazons series Two Years Before the Mast
Magazines	Australian Sailing Blue Water Sailing Boating Life Classic Boat Lakeland Boating Vene WoodenBoat Yachting
See also	Glossary of nautical terms (A–L) Glossary of nautical terms (M–Z)