NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION US4MA19E - PORTSMOUTH HARBOR TO BOSTON HARBOR INDEX: SYMBOLS AND ABBREVIATIONS AUTHORITIES AIDS TO NAVIGATION NOTE A WARNING – PRUDENT MARINER POLLUTION REPORTS SUPPLEMENTAL INFORMATION CAUTION RADAR REFLECTORS SUBMARINE PIPELINES AND CABLES NOAA WEATHER RADIO BROADCASTS MARINE WEATHER FORECASTS CAUTION - WARNING CONCERNING LARGE VESSELS CAUTION - LIMITATIONS CAUTION - SMALL CRAFT RULES OF THE ROAD (ABRIDGED) CAUTION - MARINERS RACING BUOYS TIDAL INFORMATION ADDITIONAL INFORMATION SYMBOLS AND ABBREVIATIONS For Symbols and Abbreviations see Chart No. 1. AUTHORITIES Hydrography and topography by the National Ocean Service, Coast Survey, with additional data from the Corps of Engineers, Geological Survey, and U.S. Coast Guard. AIDS TO NAVIGATION Consult U.S. Coast Guard Light List for supplemental information concerning aids to navigation. NOTE A Navigation regulations are published in Chapter 2, U.S. Coast Pilot 1. Additions or revisions to Chapter 2 are pub- lished in the Notice to Mariners. Information concerning the regulations may be obtained at the Office of the Com- mander, 1st Coast Guard District in Boston, MA or at the Office of the District Engineer, Corps of Engineers in Concord, MA. Refer to Code of Federal Regulations section numbers. WARNING – PRUDENT MARINER The prudent mariner will not rely solely on any single aid to navigation, particularly on floating aids. See U.S. Coast Guard Light List and U.S. Coast Pilot for details. POLLUTION REPORTS Report all spills of oil and hazardous substances to the National Response Center via 1-800-424-8802 (toll free), or to the nearest U.S. Coast Guard facility if telephone com- munication is impossible (33 CFR 153). SUPPLEMENTAL INFORMATION Consult U.S. Coast Pilot 1 for important supplemental information. CAUTION Temporary changes or defects in aids to navigation are not indicated. See Local Notice to Mariners. During some winter months or when endan- gered by ice, certain aids to navigation are replaced by other types or removed. For details see U.S. Coast Guard Light List. RADAR REFLECTORS Radar reflectors have been placed on many floating aids to navigation. Individual radar reflector identification on these aids has been omitted from this chart. SUBMARINE PIPELINES AND CABLES Additional uncharted submarine pipelines and submarine cables may exist within the area of this chart. Not all submarine pipelines and sub- marine cables are required to be buried, and those that were originally buried may have become exposed. Mariners should use extreme caution when operating vessels in depths of water comparable to their draft in areas where pipelines and cables may exists, and when anchoring, dragging, or trawling. Covered wells may be marked by lighted or unlighted buoys. NOAA WEATHER RADIO BROADCASTS: CITY STATION FREQUENCY BROADCAST TIMES Portland, ME KDO-95 162.55 24 hours daily Boston, MA KHB-35 162.475 24 hours daily Essex Marine, MA WNG-574 162.425 MHz 24 hours daily Stratham, NH KZZ-40 162.450 MHz 24 hours daily MARINE WEATHER FORECASTS NATIONAL WEATHER SERVICE TELEPHONE NUMBER OFFICE HOURS Portland (Gray), ME (207) 688-3216 7:00 AM - 5:00 PM M-F *(207) 688-3210 24 Hours daily Boston/Taunton, MA (508) 828-2672 8:00 AM - 5:00 PM M-F *(508) 822-0634 24 Hours daily New York/Upton, NY (516) 926-0517 9:00 AM - 5:00 PM M-F Recorded forecast only other times. *Recorded CAUTION - WARNING CONCERNING LARGE VESSELS The "Rules of the Road" state that recreational boats shall not impede the passage of a vessel that can navigate only within a narrow channel or fairway. Large vessels may appear to move slowly due to their large size but actually transit at speeds in excess of 12 knots, requiring a great distance in which to maneuver or stop. A large vessel's superstructure may block the wind with the result that sailboats and sailboards may unexpectedly find themselves unable to maneuver. Bow and stern waves can be hazardous to small vessels. Large vessels may not be able to see small craft close to their bows. CAUTION - LIMITATIONS Limitations on the use of radio signals as aids to marine navigation can be found in the U.S. Coast Guard Light Lists and National Geospatial-Intelligence Agency Publication 117. Radio direction-finder bearings to commercial broadcasting stations are subject to error and should be used with caution. CAUTION - SMALL CRAFT Small craft should stay clear of large com- mercial and government vessels even if small craft have the right-of-way. All craft should avoid areas where the skin divers flag, a red square with a diagonal white stripe, is displayed. RULES OF THE ROAD (ABRIDGED) Motorless craft have the right-of-way in almost all cases. Sailing vessels and motorboats less than sixty-five feet in length shall not hamper, in a narrow channel, the safe passage of a vessel which can navigate only inside that channel. A motorboat being overtaken has the right-of-way. Motorboats approaching head to head or nearly so should pass port to port. When Motorboats approach each other at right angles or obliquely, the boat on the right has the right-of-way in most cases. Motorboats must keep to the right in narrow channels, when safe and practicable. Mariners are urged to become familiar with the complete text of the Rules of the Road in U.S. Coast Guard publication "Navigation Rules". CAUTION - MARINERS Mariners are warned to stay clear of the pro- tective riprap surrounding navigational light structures. RACING BUOYS Information may be obtained from the of this chart are not shown hereon. Information may be obtained from the U.S. Coast Guard District Offices as racing and other private buoys are not all listed in the U.S. Coast Guard Light List. TIDAL INFORMATION For tidal information see the NOS Tide Table publication or go to http://co-ops.nos.noaa.gov ADDITIONAL INFORMATION Additional information can be obtained at www.nauticalcharts.noaa.gov END OF FILE