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    Windy launches Route Planner

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    • L
      lgirado last edited by

      THANK YOU!!! this is awsome. I love to sail and work with computer models, so maybe this wishlist will help:

      WIND DIRECTION: definitely BOTH: relative and absolute. You could add one more line to the table.

      SPEED:: Set the speed of your vessel, but add/substract according to relative wind direction. For example: Av. Speed: 5 knots Correction: +- 2 knots. When you start from point A you start at av speed and add or substract up to 2 knots according to relative wind. You can use the following formula to do this: Corrected Average Speed = Average Speed +(1+0.0336*(RelWindAngle)-0.000146*(RelWindAngle^2)). This will assume maximum speed of 7 knots at wind angle 130, and speed of 3 knots if the wind angle is 0. At angle 0 It assumes you will tack to the point upwind at a true speed of 3 knots. The wind angle goes from 0 to 180. Most sailboats follow this pattern. Average speed and correction should be in the settings.
      Also Current should correct the speed based on angle and strength.

      ROUTE INTERVAL ESTIMATION (hours): All variables are recalculated every this number of hours. The longer the period, the bigger the error due to averaging, but the less use of resourses for windy. I am assuming the route is a vector that gets recalculated at time intervals. Point one starts with actual data, after one interval of time (ex. one hour) the variables are recalculated with the forecast for the next hour at point number 2 of the route, which is located at the distance travelled at Corrected Average Speed.

      COMFORT INDEX: An index that will tell how good your route is based on relative wind direction, wind speed, wave high and direction. A formula similar to the one I showed before will give you this index. It should combine direction and intensity.

      WINDOW LIKELIHOOD: Once you have saved a route, you can check if the weather window is more or less favourable to achieve it. This can be calculated with the average corrected speed and comfort index. The departing date which achieves better scores in these two variables is the best departing date.
      This is all I have for now. I am in Florida, looking at Hurricane Dorian and praying that it does not get off course and hit my boat. Great job on Windy. I simply love your product and believe you have created the best weather software online.
      Let me know if I can be of further assistance.
      LG

      L 1 Reply Last reply Reply Quote 1
      • L
        lgirado @lgirado last edited by

        @lgirado
        I had a typo in the formula. I omitted the negative sign in the first number of the equation. This is the correct one:
        Corrected Average Speed = Average Speed +Correction*(-1+0.0336*(RelWindAngle)-0.000146*(RelWindAngle^2)).
        Sorry.
        The portion (-1+0.0336*(RelWindAngle)-0.000146*(RelWindAngle^2)) provides a value from -1 to +1 with this shape:
        62182dc4-0787-4f9e-9b60-54928f0c0958-image.png

        1 Reply Last reply Reply Quote 0
        • KC0YHM
          KC0YHM | Premium last edited by

          I have used this feature to map the center, measure the girth, path, pace, and distance from land...simultaneously for Dorian. Its a great tool...and to my great advantage...simple to use! ;->
          Nice work.
          Mike
          Naples Fl

          1 Reply Last reply Reply Quote 0
          • Francfo
            Francfo @Cavajr. | Premium last edited by

            @Cavajr No, I can't buy an Iridium!!!

            1 Reply Last reply Reply Quote 0
            • Francfo
              Francfo @mrandall | Premium last edited by

              @mrandall I have it but useful only if you can update data... which is not possible without wifi:

              1 Reply Last reply Reply Quote 0
              • maicokid
                maicokid | Premium last edited by

                I have a iPad Pro, 1st Gen,. Please tell me how to access distance and Planning as I can't find it on my device. Thank you. I am a silver member.

                idefix37 1 Reply Last reply Reply Quote 0
                • idefix37
                  idefix37 Sailor Moderator @maicokid last edited by

                  @maicokid
                  On iPad, Distance & planning window appears with a long press on the screen. But I don’t know if it works with iPad Pro 1st generation.

                  maicokid 1 Reply Last reply Reply Quote 0
                  • maicokid
                    maicokid @idefix37 | Premium last edited by

                    @idefix37 Ok that worked and even if it didn't I appreciate it.

                    1 Reply Last reply Reply Quote 0
                    • B
                      bernhard17 last edited by

                      Great. May be sometimes you introduce nm nautical miles instead km. Implement it into Settings
                      .

                      idefix37 1 Reply Last reply Reply Quote 0
                      • idefix37
                        idefix37 Sailor Moderator @bernhard17 last edited by

                        @bernhard17
                        Just explained above by @Gkikas-LGPZ
                        https://community.windy.com/topic/9013/windy-launches-route-planner/52

                        1 Reply Last reply Reply Quote 0
                        • pressla
                          pressla last edited by

                          Absolutely incredible cool feature. I assume in future you support a velocity to move along the route and the matching weather for the future waypoints is adopted. At e also select time to enter for a waypoint.

                          1 Reply Last reply Reply Quote 0
                          • A
                            anas 9 last edited by

                            great keep it up you are rocking best of luck

                            1 Reply Last reply Reply Quote 0
                            • Z
                              ZdenekPrg | Premium last edited by

                              Hello,

                              For me as a pilot is relative wind better then absolute.

                              I appriciate also option to set speed or timeframe - to get a forecast for the route similar as Ogimet.com offer it in Gramet.

                              I have a problem with color scheme (very low contrast) of weather strip - pressure/FL/temps are nearly unreadable without zooming (VFR/IFR),

                              Thanks
                              Z.

                              1 Reply Last reply Reply Quote 0
                              • B
                                blahdi last edited by

                                this is a start of a awesome feature - waiting to try out the option of speed of movement and changing forecast in course of time, and GPX..

                                1 Reply Last reply Reply Quote 0
                                • B
                                  blahdi last edited by

                                  For route planning interface (without weather info), checkout the caltopo.com interface. It works really well for roads, hiking trails.

                                  It might be too much work to implement that kind of interface, but just wanted to mention it incase its easy enough.

                                  1 Reply Last reply Reply Quote 0
                                  • I
                                    igor 320 last edited by

                                    Do you plan to continue update it?

                                    1 Reply Last reply Reply Quote 0
                                    • marekd
                                      marekd Administrator last edited by

                                      @igor-320 Sure, but we are working on other huge things :-) It can take us a while...

                                      M 1 Reply Last reply Reply Quote 1
                                      • CaptWolf
                                        CaptWolf last edited by

                                        In the the Route Planner - Route Detail 38.56 -9.41 is displayed as 38.93 -9.69 please check here https://on.windy.com/32vu9

                                        1 Reply Last reply Reply Quote 0
                                        • M
                                          mwodziak @marekd last edited by

                                          @marekd

                                          Is there a way to use the Boat route planner on the mobile app for iOS? I really like the fact that I can see wave height for the route on the computer version but I cannot for the life of me figure out how to get that on the mobile app.

                                          marekd 1 Reply Last reply Reply Quote 1
                                          • marekd
                                            marekd Administrator @mwodziak last edited by marekd

                                            @mwodziak Mobile version of route planner is a really big challenge. We still trying to figure out how to make it usable and meaningful on mobile devices. I am afraid we will be working on the planner next year at the earliest, but as we can see, people use it and they want to use it. Thank you for your patience.

                                            mhaberler P 2 Replies Last reply Reply Quote 0
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