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Passage Planning | Sailing Britican
5 September 2017 · 24 min · 12K views · Bermuda
What this video covers
Passage planning for an 800-mile transit from Bermuda to Charleston, South Carolina, involves monitoring weather models and sea states daily to identify a five-to-seven-day window of favorable conditions.0:38 Tools used for departure planning include PredictWind, WindyTY, and the National Hurricane Center to track potential storm activity across the Atlantic.1:05 When analyzing weather models, planners look for consistent wind speeds and wave heights, typically aiming for beam reaches while avoiding high-wind zones and large seas. Because models become less accurate beyond three days, daily re-evaluation is necessary.11:31 Navionics serves as a primary navigation tool for plotting waypoints and calculating distances, while also providing fuel consumption estimates based on boat-specific settings.20:10 When crossing the Gulf Stream, sailors must account for current speeds of up to four knots that can push a vessel north.8:48 Integrating an Iridium GO with an iPhone allows for downloading GRIB files while offshore to adjust headings based on real-time wind data.21:30
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