Module 13 of 17
Shipping forecasts, Beaufort scale, weather systems, and broadcast meteorological information.
Use this module hub to choose the right lesson, then open the dedicated lesson page for the complete explanation, worked examples, FAQs, and practice questions.
Weather is one of the most critical factors in safe seamanship. Wind strength and direction determine sailing conditions, sea state affects comfort and safety, and visibility impacts navi...
The Beaufort Scale describes wind force from 0 (calm) to 12 (hurricane). It links wind speed in knots to the conditions you can observe at sea, such as wave size, whitecaps, spray, and wh...
The BBC Shipping Forecast covers 31 sea areas around the British Isles. It reports wind direction (the direction it blows FROM), wind speed (in Beaufort scale), weather (rain, fog, etc.),...
High pressure (anticyclone) brings generally settled, fair weather with light winds. Wind circulates clockwise around a high in the northern hemisphere. Low pressure (depression or cyclon...
A warm front marks the leading edge of warm air advancing over cold air. It brings a gradual deterioration: high cirrus cloud, then lower cloud, steady rain, poor visibility, and a rise i...
BBC Radio 4 broadcasts the Shipping Forecast at 0048, 0520, 1201, and 1754. The Inshore Waters Forecast (for within 12nm of the coast) is broadcast at 0048 and 0535 on Radio 4, and is oft...
Unlock the complete module
Get every section, quizzes, spaced-repetition flashcards, and mock exams — one-time purchase.