Marine Weather Seminars and Clinics

Full-Day Seminars

Great Lakes Basic Marine Weather Seminar

Format: 8 Hours (Including Lunch)

Learn a little weather forecasting and reduce the uncertainty of boating on the Great Lakes. While it isn’t possible to predict the weather with total precision, it doesn’t mean that the weather must be entirely unpredictable. The Great Lakes Basic Marine Weather Seminar is designed to provide Great Lakes power boaters and sailors with an understanding of basic marine weather forecasting (click here to read more.....)


Great Lakes Wind Forecasting

Format: 8 Hours (Including Lunch)

No aspect of weather is more important to sailors than the wind. It dictates when it is safe to leave port and whether your journey will be fast or comfortable. On the race course, properly predicting the wind separates the winners from the losers (click here to read more...)


Preparing Your Bayview Mac Weather Forecast

Format: 8 Hours (Including Lunch)

Long distance sailors must be weather-savvy. The ability to prepare a detailed long-range forecast before the start of the race and monitor changing conditions on the way to the Island is critically important. Seasoned Bayview Mac sailors understand that conditions on Lake Huron can quickly deteriorate. Misjudging the wind forecast can quickly send you to the back of your fleet, while failing to properly assess the risk for severe weather can unnecessarily jeopardize the safety of the crew. (Click here for more information.)


Preparing Your Chicago Mac Weather Forecast

Format: 8 Hours (Including Lunch)

Long-distance sailing and weather forecasting are inseparable. Experienced Chicago Mac sailors understand that developing a detailed weather forecast and monitoring its evolution on the racecourse is an important strategic and safety aspect of participating in this summer classic. Misjudging the wind forecast can quickly send you to the back of your fleet, while failing to properly assess the risk for severe weather can unnecessarily jeopardize the safety of the crew (click here to read more ....)

Coastal & Offshore Marine Weather Forecasting-Master Class

Format: 14 Hours (Two Days Including Lunch)

Coastal and off-shore cruising requires many skills. Regardless of where your adventures may take you, no aspect of cruising is more important than an understanding of marine weather forecasting. During the 2-day Marine Weather Forecasting Masters Class, you will gain an understanding of basic weather principles and learn how to use a wide variety of forecasting resources. These skills will improve your cruise planning and reduce the likelihood that you will be exposed to uncomfortable or hazardous weather conditions. (click here to read more...)

Half-Day Seminars & Clinics

Basic Marine Weather For Junior Sailors

Format: 4 Hours

Sailing a small boat requires many skills, however no aspect of boating is more important than understanding marine weather forecasting. The weather determines when it is safe to leave port and whether your outing will be safe and enjoyable. During this four-hour seminar, junior sailors will learn basic weather principles and how to use a wide variety of forecasting resources. These skills will reduce the potential that they will encounter uncomfortable or hazardous weather conditions while they are on the water. (click here to read more ....)


Great Lakes Basic Marine Weather Clinic

Format: 4 Hours

Learn a little weather forecasting and reduce the uncertainty of boating on the Great Lakes. While it isn’t possible to predict the weather with total precision, it doesn’t mean that the weather must be entirely unpredictable. The half-day Great Lakes Basic Marine Weather Clinic is designed to provide Great Lakes power boaters and sailors with an understanding of basic marine weather forecasting (click here to read more.....)


About The Presenter

Mark Thornton has been sailing for more than 25 years and currently owns Osprey, a C&C 35. His interest in weather forecasting grew from his experiences cruising and racing on the Great Lakes. Mark is a 2006 graduate of the Penn State University Certificate of Achievement in Weather Forecasting, a two-year program that develops skills in general, tropical, and severe weather forecasting.

He is the president of LakeErieWX LLC, a company dedicated to providing marine weather education and forecasting resources for recreational boaters (www.lakeeriewx.com). Mark publishes a marine weather blog and teaches basic forecasting seminars to recreational boaters during the off-season. He has served as the Race Meteorologist for the Bell’s Beer Bayview Race to Mackinac since 2014. Mark is also employed as a Teaching Assistant in the Certificate of Achievement in Weather Forecasting Program at Penn State University.

As both a sailor and a meteorologist, I am uniquely qualified to improve the weather-related skills of your members. Please contact me by email or call 440-250-9179 to learn how a weather forecasting seminar can help address your organization's educational, safety, and membership goals.

Click here to view my meteorological resume or here to read about my marine weather forecasting seminars and workshops.

Interested in reading and learning more about marine weather? A few times each year, I publish an article on an interesting marine weather event. Click here to subscribe to my 'no spam' email distribution list.

Email: Mark@LakeErieWX.com
Phone: 440.250.9179




Upcoming Seminars & Presentations


Now scheduling for 2019/2020



Coastal & Offshore Marine Weather Forecasting
October 7 & 8, 2019 Cruisers University-Annapolis Boat Shows
Annapolis, Maryland

Click here for more information on the seminar.
Click here to register at Cruisers University.


Click here for the complete seminar schedule.

Seminar Reviews
"You have a passion for meteorology that is contagious and a gift for communicating a complex subject.".

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