Global Coastal Flood & Storm Surge Risk Monitor

Active surge watches, king tides, nuisance-flood trends, and tide-gauge status for major coastal cities.

Compiled daily
Stations above flood threshold
of NOAA gauges
Highest live water level
Minor flood days (latest year)
all stations
Top predicted high tide
next 7 days
Live gauges

Coastal gauge & alert map

Coastal cities panel

CityRegionLive levelNext high tide10-yr avg floods2050 SLR

King tide calendar

DateLocationMax (ft)

Tide gauges

StationLive levelPeak 24hStatus
Official sources only. For evacuation and life-safety decisions, follow NHC storm surge, your national meteorological service, and local emergency management — never rely on this MVP alone.