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Seamanship & Navigation Forum devoted to seamanship and navigation topics, including paper and electronic charting tools.


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  #1  
Old 07-27-2011
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Current predictions - Zulu or Local?

Can anyone tell me definitively if the times in the link below are local or zulu? I've looked around the site and can't find any guidance. All the tide tables I find are in local time, but its not clear on these tide prediction tables that they've done that.

As a Chesapeake Bay sailor we can usually discount the effects of current but I'm preparing for an overnight race so this information becomes more signficant.

Tidal Current Predictions
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  #2  
Old 07-27-2011
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bottom of each header, it indicates Local time, DST when in session....

fair winds
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Old 07-27-2011
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Quote:
Originally Posted by kd3pc View Post
bottom of each header, it indicates Local time, DST when in session....

fair winds
Damn the fine print. I looked all over the header, but missed the footer.

I had convinced my self that was the case by comparing low tide time to max flood time. At the few places where both tide and current are measured, max flood current was about 1/2 hour after low tide which makes sense if both times are displayed the same.
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Old 08-12-2011
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(In my best Crocodile Dundee) That's not current Mate - THIS is current!


Currents at Seymour Narrows, British Columbia
Next month's tides
August 2011

50°8.0'N 125°21.0'W
Turn Max Turn Max Turn
Time Zone is PDT Units are knots
Mon 01 Aug 0114 0356 9.7F ]0650 1009 -12.1E 1305
1614 13.6F 1934 2246 -12.8E
Tue 02 Aug 0152 0439 10.5F 0740 1053 -11.8E 1350
1656 12.8F 2010 2325 -12.9E
Wed 03 Aug 0232 0525 10.9F 0832 1140 -11.2E 1437
1739 11.6F 2048
Thu 04 Aug 0006 -12.6E 0316 0615 11.0F 0928
1231 -10.1E 1528 1826 9.9F 2128
Fri 05 Aug 0051 -11.9E 0404 0709 10.8F 1030
1328 -8.8E 1627 1919 8.2F 2213
Sat 06 Aug 0142 -11.0E 0458 0810 10.4F 1139
1434 -7.7E 1736 2021 6.5F 2305
Sun 07 Aug 0240 -10.1E 0558 0917 10.3F 1253
1550 -7.1E 1855 2132 5.4F
Mon 08 Aug 0007 0348 -9.5E 0703 1027 10.6F 1407
1708 -7.5E 2016 2246 5.1F
Tue 09 Aug 0118 0500
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Old 08-12-2011
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THIS IS CURRENT



Skookumchuck Max current 16.5 knots
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Old 08-12-2011
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All of your posts are over 12 hours old. Only mine is current.
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