We typically dont post info we receive until weve had a chance to verify it ourselves. But Jim and Peg Healy are veteran ICW cruisers and meticulous with data collection and information sharing … so as my statistics teacher always said, theres an exception to every rule. Take it away Jim: Sanctuary draws 4-1/4 feet. We transited the Ashpoo-Coosaw cut on Novenber 2, 2013, at 13h15, which was 1h20 before low tide, +0.9 datum on the tide almanac. This *was not* a period of celestial high/low tides. The Ashpoo-Coosaw cut consists of two parts. Depths in the northern cut are fine. The problem part is the southern cut, located between Rock Creek and the Coosaw River. The very worst part is at the point where the cut joins/enters the Coosaw River. There is advice in many places to take G177 very wide. That correct advice *is not* new; it has been the case for years. That particular post drys at low tide, and always has. That danger is very easy to see at low tide, but it would be easy to ground near that post at high tide, so as is the case with all daymark posts in the southeast, stay away from them. They mark shoals, not channels. In the southern Ashpoo-Coosaw cut, however, we saw actual depths of 4.9 mid-channel at G179. Then again, maybe 4.7 just south of R184 G185. The most current advice we found was to favor the red center-quarter of the channel at R184 G185. We took that advice, and we got through. Very skinny water. Jim
Posted on: Tue, 05 Nov 2013 17:01:54 +0000
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