SC King Tide Recap: July-August 2015 - MyCoast SC King Tide Recap: July-August 2015 - MyCoast

Summary of July-August 2015 South Carolina King Tides

Highest Predicted Tide: 6.6′
Highest Observed Tide: 7.4′
Predicted King Tides: 2
Observed King Tides: 8

Onshore winds and a low pressure system amplified water levels along the South Carolina coast in late July and early August. The predicted two-day event spanned nine days under these meteorological conditions. During this series, water levels in Charleston Harbor peaked at 7.4 feet above Mean Low Low Water (MLLW) on July 29, which exceeded predictions by over one foot. The maximum observed difference occurred on July 25, when observed water levels surpassed predicted levels by nearly 1.5 feet.

DATE AM/PM KING TIDE PREDICTED? KING TIDE OBSERVED? PREDICTED 
WATER LEVEL OBSERVED WATER LEVEL DIFFERENCE
July 25 PM No Yes 5.2 6.6 1.4
July 26 PM No No 5.5 6.5 1.0
July 27 PM No Yes 5.7 6.6 0.9
July 28 PM No Yes 6.0 6.9 0.9
July 29 PM No Yes 6.3 7.4 1.1
July 30 PM No Yes 6.5 7.2 0.7
July 31 PM Yes Yes 6.6 6.9 0.3
August 1 PM Yes Yes 6.6 7.0 0.4
August 2 PM No Yes 6.5 6.9 0.4

(Water levels in feet relative to MLLW at Charleston Harbor Tide Station.)

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