Able to observe and forecast weather conditions using traditional maritime skills and modern technology. Knowledge of weather information for planning and adapting navigation during short duration and extended voyages.
1.Describe the role of marine weather in boating plans, particularly wind forecasting.
2.Describe the relationship of temperature, precipitation, visibility, wind, and waves and their impact on forecasting.
3.Describe wind terminology and units used in speed, distances, temperatures and pressures.
4.Utilize data from the Ocean Prediction Center, National Data Buoy Center, and Marine National Weather Service (NWS) Charts.
Pressure and Wind
5.Describe the relationship between pressure and wind, including the flow of wind around highs, lows, ridges and troughs.
6.Convert apparent wind to true wind.
7.Calibrate and take readings from aneroid and digital barometers.
8.Describe pressure distributions and related labeling practices on weather maps.
9.Predict wind speed and direction from isobars on a weather map.
Global Winds and Currents
10. Describe the basic properties of the atmosphere and its influence on wind and weather.
11. Describe basic air mass classifications and vertical stability.
12. Describe the role of equatorial heating in establishing the doldrums, horse latitudes, trade winds and prevailing westerlies.
13. Describe the role of the poles in generating low fronts, and how these subsequently cross the mid-latitudes of the globe.
14. Describe the origins and behavior of winds aloft and how they contribute to the development and transport of surface systems around the globe.
15. Describe the distribution of ocean currents around the globe and how to predict their values for the purpose of voyage planning.
Strong Wind Systems
16. Describe forecasting conventions and warnings available for strong wind systems.
17. List the distinctions between lows and fronts, and between tropical and extra-tropical storms.
18. Describe how to predict squall behavior.
19. Describe how to find and using satellite wind measurements.
20. Describe typical behaviors of tropical depressions, storms, and hurricanes.
Clouds, Fog, and Sea State
21. Describe and identify 10 basic cloud types and what they might indicate.
22. Describe the sequence of clouds expected during a frontal passage.
23. Describe how fog forms and how it is forecasted.
24. Describe the practical distinctions between sea fog and radiation fog and between swells, wind waves and ripple.
25. Describe how to predict wave height and speed based on wind speed, duration, and fetch.
26. Describe the Beaufort Wind Force scale that relates wind speed to sea state.
Wind and Terrain
27. Describe how the presence and topography of land affects wind flow over adjacent waters.
28. Describe prominent local winds such as: sea breezes, land breezes, channeling & gap winds, blocking & lifting, and downslope winds.
29. Describe the interaction between thermal winds and pressure system winds.
30. List types of weather maps available and how to access them at home and underway.
31. Describe the process of weather routing, including sequencing of analyses and forecasts to confirm forecasts.
32. Describe how to access and use GRIB forecasts, taking into account their pros and cons compared to analyzed products prepared by meteorologists.
33. Describe how to use the 500-mb maps and weather discussions to help evaluate surface forecasts.
34. Describe how to use shipboard observations of wind and pressure to evaluate analyses and the subsequent forecasts.
Sources of Weather Data
35. Compare the use of both traditional and modern sources of climatic data for planning the time and route of voyages – for inland and coastal voyaging, as well as ocean crossings.
36. List sources for weather data underway and wireless options for obtaining it.
37. Describe the distinctions and pros and cons of commercial weather services compared to free public services from the NWS.
38. Describe the role of professional weather routing services and how they might fit into voyaging plans.
On-board Forecasting and Tactics
39. Describe the proper use of barometer, wind speed, wind direction, clouds, and sea state for shipboard forecasting.
40. Describe how to gauge the direction of winds aloft from cirrus cloud patterns.
41. Give examples of maritime weather proverbs and which ones have value in forecasting.
42. Describe the role of weather routing in improving sailing tactics.
Southern Hemisphere Weather
43. Describe unique aspects of Southern Hemisphere weather.
44. List sources for weather information specific to the Southern Hemisphere.
ASA Certified Sailing Schools
There are 20 ASA Certified Sailing Schools that teach ASA 119, Marine Weather Endorsement
As an American Sailing Association affiliate our courses are designed to give students internationally recognized ASA certification for the various levels of achievement. Successful completion of these courses qualify students to operate boats and equipment as outlined. The classes listed on this page are being offered from our beautiful Osaka bay location. Aoki School is also a government certified boat license school for the class 1 and class 2. We offer in-house trainings and exams. You don’t have to take Government tests any more. The classes for the Japan Boat License of the Class 1 grade lesson and the Class …
Aventura Sailing Academy is Dana Point Harbor’s Premier Sailing Club and Academy. For over 44 years we have been successfully teaching students, from the beginner to the advanced. We are a West Coast leader in producing well trained Sailors.
USCG Master Class 100T Captain Ric Dahlin (Director of Academy) is also a Collegiate level sailing instructor, and as a professional educator, Aventura’s classroom and lectures have been providing “best in class” sailing instruction with top results. All of our Certified ASA instructors are friendly and dedicated to your sailing instruction. Aventura Academy’s classes are challenging, fun and engaging but most importantly highly effective.
Delmarva Sailing School operates on the Chesapeake Bay from May-October. We run as Virgin Islands Sailing Academy in Saint Thomas, US Virgin Islands from December-April, with the same great sailboat and instructors. We also teach Ocean Passage Making, as we move our teaching vessel in between the Chesapeake Bay and Saint Thomas.
Fun, Learning and Safety! We teach from sailing fundamentals to Offshore . We are experienced sailors and our Outstanding ASA Instructors know how to tune in to each sailor’s individual learning style.
The Naos Yachts team consists of offshore, coastal and dinghy racers, as well as long distance cruisers. Our instructors are all ASA certified and we provide instruction on brand new Beneteau yachts and Lagoon catamarans.
We teach and certify our students to ASA standards, and offer beginning and intermediate level sailing classes. By choosing Nockamixon Sailing School for your sailing education you can realize your dream of learning to sail. Our alumni charter sailboats in destinations all over the world, and many have purchased their own sailboat.
Norton’s Sailing School is an ASA certified Sailing School. ASA (American Sailing Association) it the oldest and the best sailing curriculum available. ASA credentials are recognized worldwide, so the skills you obtain through our fully sanctioned sailing classes will allow you to charter a sailboat with Norton Yachts or any other charter company in the world. Norton’s Sailing School also provides students with top notch sailing instructors who love the water and think the Bay is the best classroom. We believe that students learn best when 90% of the instruction is on the water. Our instruction is comprehensive, yet relaxed …
Passion Yachts teaches on modern Beneteau, Jeanneau, and Hunter sailboats on the Columbia River and throughout the San Juan Islands. Boat sizes range from 22 to 45 feet. Passion Yachts will even teach students on their own boat if it is properly equipped. “Hands-on instruction” is paramount in Basic Sailing through Advanced Coastal Cruising. We believe that students learn best when 60%-90% of the instruction is on the water.
We own three boats, a Cal 22, a Hunter 28, and a new Beneteau Oceanis 41 for our 104 and 106 classes. Our beginning courses are taught over three days in the peaceful Chester River just off the Chesapeake Bay. For our 104 class we explore the calm rural anchorage areas of the Eastern Shore and visit Annapolis. Our 106 class does a Delmarva circumnavigation of approximately 450-500 nm with lots of night and ocean sailing experience.
Our racing and cruising and chartering experience enables us to target the training to our student’s particular requirements. We truly love our jobs, but we take our sailing seriously so you will be safe on the water.
At Sea Safaris Sailing School, We prepare our students on how to become safe sailors by learning basic skills and best practices on the water. All of our fun filler courses start with the basics and elevate your skills to the next level. We believe learning is a continuum as many students start with basic sailing and keep improving to learn more advanced skills such as coastal navigation, celestial navigation and marine weather. Sea Safaris Sailing School instructors are all certified to teach American Sailing Association courses which upon successful completion, offer students certification. Sea Safaris Sailing School also offers …
Located at the Milwaukee Yacht Club, Sea Safaris Sailing School has been helping adult sailing students earn ASA Certifications and become more confident since 2006. We offer ASA110 – 106 including, ASA117, ASA118, ASA119, and ASA120. Given our location and affiliation with the Milwaukee Yacht Club, our students have a perfect opportunity to gain additional experience sailing in one of the club’s fleets or participating in our Skills for Sail or Racing Courses. Our courses are primarily taught on water, however we have classroom facilities for our navigational courses or a handy white board to review our days sail and …
South Coast Sailing Adventures is conveniently located in Kemah, Texas – 30 minutes from downtown Houston or Galveston. All of our instructors are U.S.C.G. licensed captains and are certified by the ASA. We utilize training boats specifically designed to teach beginning sailors and we have the largest sailing fleet along the northern Gulf Coast with 24+ boats ranging from 23-45′ from manufacturers like Colgate, Catalina, Beneteau, and Hunter.
Spinnaker Sailing has been in business for 35 years. and is located in one of the Best Marinas on the West Coast, South Beach Harbor. This location is perfect as the breeze is fresh, the water is flat and it’s only 3 minutes from the boats berth to our teaching grounds…no long channels.
Starpath School of Navigation is a world leader in marine navigation and weather training. We are a unique resource with over 18 years’ experience in online teaching. Our courses are guaranteed to make your time on the water safer and more enjoyable.
All of our sailing classes are taught in a 3-9 day, live aboard approach, where students are totally immersed into learning to sail and cruise, and no hotels are required. Class size is kept small and is typically 3-4 students. Visit exotic destinations in Tortola, Jost van Dyke, Virgin Gorda, St. John, and St. Thomas while taking beginner to intermediate level sailing classes. Visit St. Croix, Anegada, Vieques, and Culebra in advanced classes.
Windward SeaVenture Charters has instructors voted “Instructor of the Year” in 2002, 2005, 2006, 2013 and they all are USCG Master Level licensed captains with over 30 years’ experience in sailing and teaching. We also offer you a discount on all charters you take with us for 1 year from your date of completion of any class with no monthly club dues or yearly fees. Our class sizes are limited to 4 persons plus instructor, so that you will have individual attention.
Once you have passed your ASA 119, Marine Weather Endorsement you may find the following Endorsement Courses to be beneficial
ASA 118, Docking Endorsement
Learn basic docking skills for boats with single inboard or outboard engines. Discover the basic theory and hands-on techniques needed to dock and undock boats in an efficient manner and without damage or injury.
ASA 120, Radar Endorsement
Learn to properly use small-craft radar (or radar simulator) for piloting, navigation, and collision avoidance. Knowledge of radar principles and practical matters of radar operation.