Navigational publications are available from many sources. Military customers automatically receive .. Document Format (PDF) files include the U.S. Notice to. Newsletter 01/ – Nautical. Mandatory Nautical Publications & Weekly Notice to Mariners – Electronic updates. SOLAS , Reg. V/ and V/ Nautical Free provides a list of free nautical charts and online publications. of the coast and harbours - PDF - English/anglais (Maritime Pilot NC/France); New.
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Nautical publications. Nautical publications is a technical term used in maritime circles . Print/export. Create a book · Download as PDF · Printable version. nautical publications, increasingly these texts are found on- line or in other digital formats, including Document Format (PDF) files include the U.S. Notice to. NOAA provides about a thousand high-resolution printable nautical charts — almost the entire NOAA suite of charts — as PDF files. The PDF nautical charts are.
The time savings achieved versus assembling and maintaining the necessary paper publications to comply with carriage provisions allows crews to focus on other important duties.
This leads to decisions made with more thorough consideration, knowledge and under less stress. Included with the e-Reader is search functionality, allowing users to access required information in the most efficient manner possible.
Each publication contains the same information as the corresponding paper publication. During inspections, the most recent updates made are readily apparent, making the process more streamlined for all participants.
Download the Admiralty e-NP Factsheet here. Using this system, the navigator does not immediately update every publication in the library when a new Notice to Mariners arrives, instead creating a card for every chart and noting the correction on this card.
When the time comes to use the publication, he pulls the publication and its card, and makes the indicated corrections to the publication. This system ensures that every publication is properly corrected prior to use.
Various and diverse methods exist for the correction of electronic nautical publications. Coast Guard which gives information on lighted navigation aids, unlighted buoys, radiobeacons, radio direction finder calibration stations, daybeacons, racons, and LORAN stations. The American Practical Navigator , written by Nathaniel Bowditch , is an encyclopedia of navigation , valuable handbook on oceanography and meteorology , and contains useful tables and a maritime glossary.
Government publication, it is now available for free online. It is not only a notable book but is considered one of America's nautical institutions. Its purpose is to supplement nautical charts of U. Information comes from field inspections, survey vessels, and various harbor authorities. Maritime officials and pilotage associations provide additional information. Coast Pilots provides more detailed information than Sailing Directions because the latter is intended exclusively for the oceangoing mariner.
Each volume of Coast Pilots must be regularly corrected using Notice to Mariners. The book is usually referred to as the List of Lights , and should not be confused with the U.
Coast Guard 's Light List. The List of Lights is published in seven volumes, as Publication numbers through Each volume contains lights and other aids to navigation that are maintained by or under the authority of other governments.
The information herein may neither be complete or accurate. Wherever possible, the schedules are dated with the latest change available. Wind gusts can be a further 40 percent stronger than the averages on the charts and maximum waves may be up to twice the significant height. Central Pacific Ocean: The forecast area includes the offshore and high seas waters. The broadcast frequencies are listed at the at the bottom of the page.
In consultation with its users, OPC has designed a timely product suite of graphics and high seas marine warnings and forecasts. When displayed together and organized the charts provide the mariner with a complete meteorological and oceanographic picture.
Prudent decision making dictates the mariner use all available information from as many sources as possible. Also in PDF. The combined sea heights are depicted in solid contours of three feet or one meter increments with relative maxima or minima combined sea state values enclosed inside a box under or adjacent to the area of interest.
The ice edge is displayed as a bold jagged line bright blue during the winter months. The central value of significant wave heights imply that higher individual waves are possible. Sea ice forecasts focused on changes to the ice edge in the next 5 days and the Sea Ice Advisory text product are produced every Monday, Wednesday, and Friday.
Observers' Guide to Sea Ice This booklet is intended for use by volunteers to report aerial, shipboard, or shoreline observations of ice conditions at sea to authorities such as the National Weather Service, National Ice Center, U.
Emphasis here is on conditions of concern to mariners with regard to safe passage of ships. Distance of Storms form Hawaii Locations See the distance from any active system from Hawaii locations. What is a Tropical Cyclone? The Global Tropics Hazards and Benefits Outlook is a forecast for areas with elevated odds for above- or below-median rainfall and regions where tropical cyclogenesis is favorable or unfavorable for the upcoming Week-1 and Week-2 time periods.
The rainfall outlook is for precipitation integrated over a week and targets broad-scale patterns, not local conditions as they will be highly variable.
Above and below median rainfall forecast areas are depicted in green and yellow respectively. Then the boat owner can determine the best method to prepare their boat for the eventual tropical cyclone encounter. The suggestions mentioned in this paper are intended to guide the mariner in developing an individual preparedness plan to help preserve life and protect their property. For guidance purposes only. Hurricane Preparedness: Marine Safety Hurricanes have been the cause of many maritime disasters and unfortunately, there is no single rule of thumb that can be used by mariners to ensure safe separation from a hurricane at sea.
A graphicast is produced for each basin.
The image has planned updates once per day in the early afternoon. Atlantic Eastern Pacific East Pacific: Between December 1 and May 14 outside of hurricane season. The high wind and associated seas graphic is produced by the National Hurricane Center to depict areas of high winds and related seas over the Atlantic and East Pacific waters between December 1 and May 14 outside of hurricane season. For more information. Atlantic and Eastern North Pacific Graphics with current disturbances, five-day cyclones formation chance and tropical or sub-tropical cyclones.
Atlantic and Eastern North Pacific Graphics with current disturbances, two-day cyclones formation chance and tropical or sub-tropical cyclones. East Pacific: The tropical cyclone danger graphic is intended to depict the forecast track and corresponding area of avoidance for all active tropical cyclones and to depict areas for which tropical cyclone formation is possible within the next 36 hours over the Atlantic and East Pacific waters between May 15 and November 30 hurricane season.
The 3-day forecast track of each active tropical cyclone is depicted along with a shaded "danger" region, or area of avoidance. The danger area is determined by adding , , and nautical miles to the tropical storm force radii 34 knots at the , , and hour forecast positions, respectively hence the Mariner's rule.
Once armed with this knowledge, and the information on where to acquire forecasts and guidance for current tropical cyclones, the mariner can be prepared to "weather the storm" or better yet, avoid these catastrophic events altogether.
All stations measure wind speed, direction, and gust; barometric pressure; and air temperature. In addition, all buoy stations, and some C-MAN stations, measure sea surface temperature and wave height and period.
Large numbers of boaters use the observations, in combination with forecasts, to make decisions on whether it is safe to venture out. Also mobile access to the buoys. Marine Weather Review. Some articles: An Interview with Dr. Without your participation in the Voluntary Observing Ship VOS program, there would be vast marine areas without data, making weather forecasting nearly impossible for these areas. Reporting weather not only contributes to your safety, but adds to your basic knowledge of seamanship.
This website service provides both a graphical plot of the predictions as well as a tabular listing and printable pages. Also it is possible to choose a station using the Tides station map. Initially, both prediction products will be available through the Tides and Currents website. After a period of time, the existing tidal current predictions will be removed from the Tides and Currents website and NOAA Current Predictions will become a fully operational product.
Also it is possible to choose a station using the Currents station map. Hovering the mouse over the site icon reveals the latest data listing, and clicking on the icon will bring up the data graphs below the map. Search criteria along the right margin allow the user to identify various data products, geographic regions, or data types from both active and historical sites. Tides and Waters Levels Tutorial The Tides and Waters Levels Tutorial is an overview of the complex systems that govern the movement of tides and water levels.
Also HTML version. Currents Tutorial The Currents Tutorial is an overview of the types of currents, what causes them, how they are measured, and how they affect people's lives. Also in HTML version. Our Restless Tides "Our Restless Tides" provides comprehensive information about the astronomical and physical forces that cause and affect the world's tides. Detailed diagrams and mathematical formulae illustrating the forces acting on the world's oceans are presented.
Tidal Currents Educational Pamphlet Man in his never ending search for knowledge and in his travels on the sea has long known about the ocean's tides and currents.
Although he may not have fully understood the reasons for the movements of these waters, he was very much aware of their benefits and dangers to him. Tidal Analysis and Prediction The purpose of this book is to provide the reader with the knowledge required to carry out the most accurate tidal analysis and tidal prediction possible using any set of water level or current data that he or she may have available.
The book is also intended to provide the reader with tools to interpret the analysis results with respect to the hydrodynamics the physics of the water movement of the bay or ocean from which the data were obtained, so that these results can best be used for particular oceanographic applications NOAA Special Publication NOS CO-OPS 3. Some articles about physical oceanography: Ocean Currents: Why Are the Tides So Predictable?
How Does the Wind Generate Waves? Glossary of Tide and Current Terminology The "Glossary of Tide and Current Terminology" is and indispensable reference tool lists and defines more than terms and concepts concerned with the tidal phenomena and its measurement. Also HTML version: Tides and Currents Glossary. Ice Analysis Products Use this page to select ice analysis products for a desired area over a selected time span.
These products are analyzed by sea and freshwater ice experts using multiple sources of near real time satellite data, derived satellite products, buoy data, weather, and analyst interpretation of current sea ice conditions. Clair - Lake Ontario. North America: Forecasts are rendered either as graphical images or as text, possibly with graphics embedded. The date in the filename indicates the last day for which that forecast is valid. These products are available on Monday and Thursday.
Arctic and Antarctic: The sea ice is analyzed at the USNIC and separated into polygons based on common areas of sea ice concentrations throughout the Arctic, sub-Arctic, and Antarctic regions that currently contain sea ice.
The sea ice concentration is analyzed by sea ice experts using multiple sources of near real time satellite data and is a weekly assessment of the current Arctic and Antarctic marine environment.
The sea ice concentration page is updated every Thursday Arctic and Antarctic: The stage of development is analyzed by sea ice experts using multiple sources of near real time satellite data and is a weekly assessment of the current Arctic and Antarctic marine environment.
The stage of development is determined by the analysts using the shape, tone, texture, fracture patterns, and surface topography of features depicted in satellite imagery, as well as the ice analyst's knowledge of the geographical area, weather patterns, current sea ice development, and daily monitoring of the areas.
The stage of development page is updated every Thursday. The marginal ice zone is the transition between the open ocean ice free and pack ice. The MIZ is very dynamic and affects the air-ocean heat transport, as well as being a significant factor in navigational safety. The daily ice edge is analyzed by sea ice experts using multiple sources of near real time satellite data, derived satellite products, buoy data, weather, and analyst interpretation of current sea ice conditions.
The product is a current depiction of the location of the ice edge vice a satellite derived ice edge product. The day change graphic is available every Monday and the date for the comparison is listed in the legend.
Charts for the Weddell Sea and Antarctic Peninsula are updated every Monday Antarctic summer, October to April whilst charts for the whole of Antarctica concentration and stage of development are updated on Thursdays throughout the year.
Detailed charts for: National Ice Center issues a yearly seasonal outlook indicating the expected recession pattern for the Ross Sea during the upcoming Austral summer.
Southern Hemisphere: Iceberg Table The U.
National Ice Center USNIC track icebergs in the Southern Hemisphere utilizing the criteria of 10 nm on the longest axis and also include icebergs of twenty square nautical miles or greater. Names will be derived from the Antarctic quadrant in which they were originally sighted along with a sequential number.
The waters surrounding this very large icebergs are assumed to contain traces of smaller bergy bits or growlers, as are often found in Antarctic waters. This is not intended to be a comprehensive list. Consult the Notice to Mariners for safety of navigation More information. Maximum waves may be up to twice the significant height. Height in feet. North Altantic: The combined sea height represents an approximation of the height of the highest crests of water formed when the crests of sea waves interact with the crests of swell waves.
Table of contents: The tropical cyclone forecasts shown here aren't yet operational and are presently in beta testing and operational demonstration.
FNMOC is not responsible for their use in the forecasting of tropical cyclones. Concerned customers should confirm these forecasts with official sources. Astronomical Almanac Online Glossary USNO The glossary contains concise definitions of many of the important astronomical terms necessary to understand and make use of the data presented in The Astronomical Almanac. Celestial Navigation Data USNO Computes almanac data for major solar system bodies and navigational stars for an assumed position and time.
This page allows you to obtain all the astronomical information necessary to plot navigational lines of position from observations of the altitudes of celestial bodies.
Simply fill in the form below and click on the "Get data" button at the end of the form. A table of data will be provided giving both almanac data and altitude corrections for each celestial body that is above the horizon at the place and time that you specify. Sea-level observations are assumed. The navigational stars are distinguished by their proper names. Each edition also contains sky diagrams for each month; sunrise, sunset, and twilight tables; and positions of the navigational stars.
This choice is based on informed compromise between a harbor's protective qualities, and the possibility that a sortie will prove to have been unnecessary HTML. Typhoon Havens Handbook, Pacific Severe tropical cyclones, also known as typhoons or hurricanes, are among the most destructive weather phenomena a ship may encounter whether the ship be in port or at sea.
When faced with an approaching tropical cyclone, a timely decision regarding the necessity and method of evasion must be reached. Basically, the question is: Should the ship remain in port, evade at sea, or if at sea, should it seek the shelter offered by the harbor?
This Handbook examines a number of western Pacific and Indian ocean ports and evaluates their potential as typhoon havens. This information should provide useful guidance to commanding officers in answering the above questions HTML. Severe Weather Port Guide These handbooks are intended as guidance for ship captains whose vessels are threatened by actual or forecast strong winds, high seas, restricted visibility or thunderstorms in the listed port areas.
These regions are renowned for numerous areas where "Local Effects" on winds, seas, and visibility can cause dangerous operating conditions. Prior knowledge of these local characteristics and the resultant effects encountered can be extremely useful in the decision making process.
Causes and effects of such hazardous conditions are discussed and precautionary or evasive actions are suggested for various vessel situations HTML. The tropical cyclone forecasts displayed here are the latest forecasts received at NRL, and may or may not be the most current forecasts available from the operational centers. NRL collects these forecasts for ATCF project development, and is not responsible for their use in the forecasting of tropical cyclones.
The Arctic Forecaster's Handbook With continuing ice-melt and more open water present, increased commercial and military traffic will become evident, but not without cost. Snow, ice, freezing rain, wind, wind chill, floating ice and icebergs, to name a few, can take a toll quickly, rendering the fleet, equipment, communications and crew operations extremely difficult.
The prudent Arctic forecaster will consider all products from climatology, satellite imagery through numerical products. The forecaster will need to more frequently update environmental information, build a good forecast and environmental recommendation to the fleet commanders in order to ensure the fleet is kept out of "harms-way" and remains an effective force.
Arctic Climatology The following materials are provided as an introduction to Arctic region climate, weather, and other environmental conditions. A basic objective is to provide materials that will assist users in developing a workable understanding and appreciation of the unique polar conditions including extreme cold, month long daylight and dark periods, and ice covered waters.