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![Diagram showing relationship of tide to marker at Poolbeg Lighthouse theb2365.jpg Diagram showing relationship of tide to marker at Poolbeg Lighthouse](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2365.jpg?itok=FRla1Z94)
Description
Diagram showing relationship of tide to marker at Poolbeg Lighthouse.Datum referred to low water April 8, 1837 for County Dublin.Note use of Mean Sea Level (Image credit: NOAA Central Library)
Credit
NOAA Central Library
Display Date
1837
Location
Poolbeg Lighthouse, Ireland
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Tides and Tidal Currents
Tides
Keywords
Charting
Tides
General