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Persistent Model vs. Harmonic Water Level Forecasts

Packery Channel Station

48 Hour Forecast

Recent performance for 12 hour forecasts

Recent performance for 24 hour forecasts

Recent performance for 48 hour forecasts

Water Levels in the graph above are measured with respect to Mean Lower Low water. Time is in UTC (typically 5-6 hrs ahead of Central Time)

Recent performance for 12 hour forecasts (with flood lines)

Recent performance for 24 hour forecasts (with flood lines)

Recent performance for 48 hour forecasts (with flood lines)

Water levels are forecasted in feet above mean sea level. For other harmonic forecasts, go to the Data Query Page.

The application of the persistent model for this station is presently investigated by the Division of Nearshore Research. The performance of the model will vary. For stable weather conditions, model forecasts will be accurate within +/- 15 cm. However model performance will not always be within +/- 15 cm during changes in weather conditions such as frontal passages and especially tropical storms and hurricanes.

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