Nation How will sea level rise increase high tide flooding? Feds warn water levels are ‘nearing the brim.’ August 2, 2022 Dinah Voyles Pulver, USA TODAY Comments Off on How will sea level rise increase high tide flooding? Feds warn water levels are ‘nearing the brim.’ Days of higher-than-normal high tides are rising along the Atlantic and Gulf coasts, NOAA says, warning of the increased potential for flooding.