About two weeks ago I passed trough
NYC coming from Port
Washington. While going trough
NYC you have to pass " Hell Gate " where the
current can be 6 knots . The best is off course to be there with slack tide .
I have Total Tide from the BA and an other one. Both told me that 10.20 was the time to be there . Also the
current table from NOAA gave the same time.
But on the table that comes with
OpenCPN it shows more then 3 knots with me . A big difference and I was there at 10.30 lt and it was slack .
Why was the table from
OpenCPN so way out ????