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Conference wahoo::fishing

Title:Fishing Notes- Archived
Notice:See note 555.1 for a keyword directory of this conference
Moderator:DONMAC::MACINTYRE
Created:Fri Feb 14 1986
Last Modified:Fri Sep 20 1991
Last Successful Update:Fri Jun 06 1997
Number of topics:1660
Total number of notes:20970

207.0. "Calculating the tides" by RANGLY::BOTTOM_DAVID () Mon Oct 20 1986 10:50

    Is there a formula for calculating high or low tides? Or anybody
    got a program(vax executable)? 
    thanks
    
    dave
    
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207.1TIDE CHARTMELODY::CHIASSONMon Oct 20 1986 12:5112
    YES there is a formula for calculating the tides  if you contact
    the army corp of engineers they can tell you exactly the amount
    time to calculate for the tides or find a tide chart and subtract
    the difference between two days and apply it that way to your needs
    another way I do it is I find out the tides for one weekend and
    if the tide is not favorable for that wkend I know that the following
    wkend will have the opposite tide combination
    
    if you need a tide chart  I can probably find one for you depending
    on your needs
                                        ED
     
207.2Flood or EbbNYALYF::HORWITZMon Oct 20 1986 18:2125
    A "seat of the (wet) pants" method:
    Since the normal tide cycle is roughly 6.5 hours from full flood
    to dead low, the time of the tides move about 1 hour ahead each
    day. This helps prove the theory in .2 of alternate weeks (due to
    lunar calendar mainly). 
    I don't know about other areas, but in NJ/NY areas, most tackle
    shops give away tide charts which,at least, list one or two major
    locations. In the FISHERMAN magazine there is a weelky chart which
    lists major locations and the time differences for many others.
    
    Another easy way is simply by on-site observation - time of tide
    today will repeat in approximately 14 days at that location.
    
    Just to thoroughly confuse this issue : just because the tide is
    at its highest or lowest, doesn't mean the flow is about to reverse.
    If you are fishing at an inlet, for example, the water may reach
    its highest several hours before it stops flowing "up stream" (towards
    inland). This has something to do with fluid dynamics and filling
    big holes through narrow openings.
    
    OR........
    		JUST GO FISHING
    
    Tight lines 
    Beach Bagel Rich