In article ,
Justin C wrote:

I also just downloaded TideApp which is the TideTool equiv. for the phone.
Nice.

There is also Tides.
Comparing with the official tide tables for Hamburg, Germany (at
www.bsh.de) though, both of them were off by quite a bit - Tides was
better but still too far off.

Out of interest, how far is too far?

Ok, here comes the comparison.
(LW low water, HW high water, 24h time, height above map reference zero
for Hamburg, St. Pauli, Germany, 53°32'44"N 9°58'12"E, GMT+1
for Monday, 23 March 2009
(This is the large port of Hamburg)

The reference: prediction by th BSH
(www.bsh.de, free)
HW 0151 3.9m
LW 0927 0.4m
HW 1439 3.7m
LW 2147 0.5m

WXTide32 (latest version 4.7, 25 Feb 2007, wxtide32.com,
for 53°33.00'N 9°58.02'E, free)
HW 0133 3.1m
LW 0905 0.5m
HW 1428 3.0m
LW 2113 0.6m

Tides (iPhone, version 2.0, free, but ad ridden)
I was not able to enter Hamburg, Germany, a major port, with the new
version, even when I entered the exact coordinates and searched for
nearby prediction spots.

TideApp (iPhone, version 2.5, ads to come - I'd rather pay something for
it)
HW 0143 3.9m
LW 0901 0.75m
HW 1425 3.7
LW 2128 0.75m
Times seem to be within half an hour, heights within half a metre
good enough for planning

Mr Tides X (Mac OS X. version 2.5.6.2,
http://homepage.mac.com/augusth/MrTides/, based on XTide 2.8, free)
HW 0143 3.9m
LW 0901 0.75m
HW 1425 3.7
LW 2128 0.75m

Any comparisons for other ports to assess reliability would be nice,
especially for TideApp.

HTH

Marc

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