I use a laptop with Coastal Explorer and have not noticed a problem with current accuracy. I haven't expected one however and may not be looking close enough.
Would not be any fun missing the tide change at deception pass by 30 minutes........ On May 26, 6:54 am, Rocco <[email protected]> wrote: > Those of you who are here in the Pacific NW know well how important it > is to have correct tide and current information. This past weekend > was an excellent example. We went cruising in South Sound - a great > place to cruise! - and went with the current both going and coming. > > We rode a +6KT flood current through Tacoma Narrows! Sturdy Girl > normally cruises at 11.5 KTS at 2900 RPMs. On Saturday she was flying > at plus +18KTS and on Monday at +17KTS. That's a whole lotta fuel > saved! Of course my wife wants to know why we didn't just run at > lower RPMs and save even more fuel... > > Here's the real point, however. We have a Raychart C120 with > Navionics charts we used for navigation. Navionics has built-in tides > and current tables. DON'T trust them! I had heard the computer > programs for secondary stations are inaccurate because of how they are > calculated but, we found the same for Tacoma Narrows which is a > PRIMARY station. > > Fortunately, I buy annual editions of Ports & Passes, which is a > terrific resource, and use it for planning a trip. In the case of > Sunday's run, the Navionics data erred by THREE hours. Had I depended > on my computer program for current data, we could have been bucking > the tide instead of using it to our advantage. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "UnifliteWorld" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/UnifliteWorld?hl=en -~----------~----~----~----~------~----~------~--~---
