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- Chart-datum-for-Bluechart-tides
- 01-30-2008
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Hi,
Does anyone know what chart datum is being used for the Bluechart tides? I
have noticed a difference between the Bureau of Meteorology tide heights and
those predicted by Bluecharts. The difference does not seems to be
consistent.
Urangan 26/1/08
BOM Bluecharts
Time Ht Time Ht
04:50 0.81 4:52 0.60
11:06 3.63 11:05 3.42
17:38 0.91 17:33 0.70
23:29 3.07 23:07 2.91
Brisban Bar 30/1/08
BOM Bluecharts
Time Ht Time Ht
02:42 1.83 2:37 1.84
08:47 0.97 8:46 0.94
14:26 1.69 14:22 1.69
20:58 0.67 20:50 0.63
Any information will be appreciated.
Regards.
Sean
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