Disclaimer

Percentile is estimated from USGS published daily percentiles. Readings are provisional until USGS reviews them. Not endorsed by USGS, NOAA or the National Weather Service. Not for navigation or safety-of-life decisions; the absence of an alert is not a statement that conditions are safe.

Data is shown as received from the named sources, with the time it was observed or issued. Provisional USGS data are subject to revision. Forecasts change. Percentiles and other comparisons on this site are our calculations from published USGS statistics and are labelled as estimates.