Bunt's self-registering tide gauge at
Hotwell House, Clifton, may be of interest.
Date: Times of High Water. Difference in
Jan 1840. Tide Gauge. Tide Table. Tide Table.
H.M. H.M.
27th, p.m....... 0. 8 ....... 0. 7 ..... 1 min earlier.
28th, a.m....... 0.47 ....... 0.34 ..... 13 min earlier.
28th, p.m....... 11.41 ....... 1. 7 ..... 86 min later.
29th, a.m....... 1.29 ....... 1.47 ..... 18 min later.
29th, p.m....... 2.32 ....... 2.30 ..... 2 min earlier.
Although the times of the tides varied so considerably, their
heights were exactly as predicted in the tide-table.
The records during a storm on October 29, 1838, gave an
entirely different result, as the time was retarded only ten or
twelve minutes, but the height was increased by 8 ft On another
occasion the tide at Liverpool was increased 7 ft by a gale.
The Bristol Channel holds the record for the greatest tide
experienced around the shores of Great Britain, which occurred
at Chepstow in 1883, and had a rise of 48 ft 6 in The
configuration of the Bristol Channel is, of course, conducive
to large tides, but abnormally high tides do not generally
occur on our shores more frequently than perhaps once in ten
years, the last one occurring in the early part of 1904,
although there may foe many extra high ones during this period
of ten years from on-shore gales.
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