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Weather routing

Draft
Departure Review start times Optional window

Departure window

Find the best starts

Times use this device's local time. Route playback also shows UTC forecast time.

Engine & fuel Motor assumptions 7.5 kt · 3.0 L/h

Engine use changes the route choice. Fuel price changes only the estimate.

Boat limits Sailing guardrails motor above 40 kt · optional caps off

Polar limits

Sailing angle guard
Route builder Search and waypoints No route points yet

Itinerary

Waypoints and distances
Draft distance -- 0 vias
    Share links keep route, departure, and stops.
    Boat profile Performance curve Lagoon 46 · no-go 42 deg TWA

    Boat performance

    Speed curve

    Optional: paste measured boat speeds. Leave blank to use the selected boat profile.

    Routing cost Tradeoffs Waves x1.0 · maneuvers x0.5

    Routing cost

    Practical tradeoffs
    Planning status Data and saved route Open for details
    ForecastReady to calculate
    Forecast windowAfter calculation
    Weather modelsChecking weather
    WarningsAfter route review
    Saved routeAfter calculation
    Forecast guidance Models and coverage Checking coverage

    Forecast models

    Checking coverage
    Checking available wind and wave guidance.
    Weather at point Wind + waves to +24 h Pick or plan

    Weather picker

    Model comparison
    Route area Loading weather
    Start --
    +24 h --
    Model spread --
    Move over the chart to inspect wind and waves at a selected time.
    Pick a chart point or calculate a passage to compare start-time and +24 h wind and waves.
    More
    Route draft ready
    Map key
    Sailing Motor Route choices Wind Waves Currents Marine places
    Tap chart to edit route
    Route summary appears here after calculation.

    Forecast playback (local / UTC)

    --
    No route yet
    Wind, waves, and currents follow the route playback time.
    Route options appear here after calculation.
    Weather, waves, and departure tradeoffs appear after calculation.
    Boat progress (nm) --
    Boat and tack --
    Wind at boat --

    Passage

    New passage

    Draft

    Route choices

    Recommended options
    Forecast options and tradeoffs appear after calculation.
    Choose a passage, then calculate route options.

    Waypoint plan

    Leg timing by stop
    Waypoint timing and layovers appear after calculation.
    ETA (local time) --
    Total time --
    Total distance --
    Sail time --
    Motor time --
    Fuel estimate --
    Fuel cost --
    Max wind (kt) --
    Max wave (m) --
    Max current (kt) --
    Maneuvers --

    Route safety

    No route selected
    Route-specific cautions appear after calculation.

    Departure planner

    No route selected
    Departure comparisons appear after calculation.

    Route review

    No route selected
    Route review appears after calculation.

    Polar

    True wind polar with AWA guard

    Leg conditions

    Select a leg
    Select a route leg to review wind, waves, apparent wind, and polar fit.
    Leg Mode Weather Sea / current Boat Time / distance
    Legs appear after a route is calculated.