I believe BCPS will be holding clinics in schools in the county, at some point, for kids. We will probably wait until that happens. Though I know many who have already secured appointments for their kids.
https://tidesandcurrents.noaa.gov/publications/techrpt40.pdf
Report done by NOAA following Isabel
Page 21 in the report has tidal gauge readings vs historical stuff
Looks like the max for the Baltimore gauge was 8.14 feet (on page 22)