4 ms·
https://tidesandcurrents.noaa.gov/sltrends/faq.html https://tidesandcurrents.noaa.gov/sltrends/faq.html > Tidal datums must be updated at least every 20-25 yea
by _whiteCaps_ 5y ago
https://tidesandcurrents.noaa.gov/sltrends/faq.html https://tidesandcurrents.noaa.gov/sltrends/faq.html
> Tidal datums must be updated at least every 20-25 years due to global sea level rise. Some stations are more frequently updated due to high relative sea level trends.