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Weather & Water

Tide

Technical visualPrediction and observation
Prediction and observationA smooth predicted tide curve is shown below a storm-elevated observed water-level trace. OBSERVEDPREDICTED
Prediction and observationA smooth predicted tide curve is shown below a storm-elevated observed water-level trace. 121OBSERVED2PREDICTED
Astronomical predictions and observed water level are separate; weather and other effects can create differences.

The periodic rise and fall of water associated primarily with gravitational forcing by the Moon and Sun.

Tidal predictions are not identical to observed water levels.

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