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![]() "Bobsprit" wrote in message | Actually, some dumb behavior on my part. I failed to put fresh batteries aboard | for the the GPS and left the new power cable home. I was "spot" using the GPS | by Sunday and I even failed to buy batteries at port jeff! As a friend once said... Du Du Occurs! | Yes, the small drift was just not a factor over such a short distance. The most | I know about the Sound's bottom is that taking more "near coastal" tracks can | ease current woes. On the other hand, I was expecting wind direction changes | and I wanted more course options afforded by being in the center of the sound. This amplifies the importance of maintaining a hard plot on paper chart. How did Suzanne derive the cross track?... by hand calc or by spot check interpolation with the GPS? Both methods are suitable.. it's the end results that count. You'll find that current surges are typical on raised or suddenly shallowing seafloor topography where the current is compressed and moves at a slightly faster rate. The reason to favour the coastal [ read shallower] areas when combating current that is against you is that the brunt of the current will favour the deep areas and often you can encounter a coastal eddy that actually assists your forward motion. I would maybe have considered shorter coastal tacks than the long ones afforded by sea room if time was an issue and the extra work involved was not impeding your enjoyment of the sail. You'll find that options always come at a cost and the drift afforded by the selection of open area navigation in a current may adversely affect your ETA. The importance of navigation and it's application is imperative to becoming a sailor. How fast you drive a boat is of no consequence when you don't know where you are going or how you will get there. Keep a log of every trip... it is a valuable resource for future excursions and illustrates a respect and proficiency in the art of sail and seamanship. CM |
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