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Atlantic Crossing Guide: Offshore Weather Routing 102

7 May 2025 · 40 min · 190K views

What this video covers

Offshore weather routing for an Atlantic crossing requires understanding the three-dimensional atmospheric patterns that drive wind, specifically the Hadley and Ferrel cells.3:08 Sailors should target the mid-latitude westerlies between 38 and 43 degrees north to maintain a favorable course from the U.S. to Europe.6:54 Avoiding the Azorian High—a slow-moving, high-pressure system characterized by light winds and potential fuel exhaustion—is critical, as is steering clear of powerful low-pressure systems that originate near the Great Lakes and eastern Canada.5:55 When planning a passage, use tools like PredictWind to analyze primary and secondary swells, ensuring they do not conflict.15:24 Because forecasts lose reliability beyond five days, sailors must update routing data twice daily and maintain at least 800 miles of motoring range in reserve.32:56 Proper preparation for heavy weather includes routing lines inside the shrouds and knowing how to heave-to if caught in an unforecasted storm.13:10 Understanding global wind patterns allows for safer navigation when electronic routing tools fail.

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