YBW tide tables.

[andy_wilson]

I dried out over Easter to scrub and A/F my bottom.

Not having the relevant documents to hand, I cannot be too specific, but imagine my suprise (and concern) when the YBW tides and MacMillans, for Easter Sunday, were in agreement to within a minute or two, but differed by about a foot, for Dartmouth.

Given that tides were reducing after Springs, the calculation was critical on the next tide being high enough to escape on.

Interestingly MacMillans showed DATUM (0.0m) for Dartmouth during these spring tides, the first time I have ever encountered this.

Are the planets in line?

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[Peppermint]

Re: The fatal mistake

Comparing two sources of nautical data. There's mucho extrapolation in them there tables. Still I can't get my two GPS to agree and their from the same family.

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[MUS]

Yeah, I wondered about this too. The YBW tide height for Falmouth actually went into minus figures, however the locally produced tables stayed in the black. Is this just a small error, or is a different datum being used?

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[LadyInBed]

Hay, they are predictions not facts!

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