Major coastal flooding impacted portions of the southeast South Carolina coast as astronomical high tides were elevated due to the perigee and a new moon cycle. Tides were driven higher due to the presence of favorable onshore winds as the region was under the influence of strong high pressure to the north and northeast.

Coastal Flood in CHARLESTON, SOUTH CAROLINA
From 15-NOV-20 08:45:00 to 15-NOV-20 09:45:00 (EST-5)
Crop damage: 0.00K
Reported by: Storm Chaser

The Palmetto Storm Chasers group reported significant coastal flooding in western Charleston County. The parking lot at the Dawhoo River Landing was flooded by salt water. Docks and piers were submerged in the Meggett and Yonges Island area. Also, water was reported at the bottom floor of a house and dock along Tom Point Creek.

Coastal Flood in CHARLESTON, SOUTH CAROLINA
From 15-NOV-20 07:54:00 to 15-NOV-20 07:54:00 (EST-5)
Crop damage: 0.00K
Reported by: Official NWS Observations

The National Ocean Service tide gauge located in Charleston Harbor measured a peak tide value of 8.13 feet above Mean Lower Low Water (MLLW), or 2.37 feet above Mean Higher High Water (MHHW). Major flooding typically begins along the southeast South Carolina coast when tide levels at the Charleston Harbor tide gauge reach or exceed 8.0 feet above MLLW, or 2.24 feet above MHHW.

Coastal Flood in CHARLESTON, SOUTH CAROLINA
From 15-NOV-20 07:00:00 to 15-NOV-20 09:15:00 (EST-5)
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous roads were closed by Charleston Police Department due to coastal flooding. Impacted roads included Lockwood Drive at Broad Street, Washington Street between Laurens and Hasell streets, Fishburne at Hagood Avenue, Lockwood Drive at Montagu, Gadsden Street at Wentworth Street, and Barre Street at Beaufain Street. Barre Street at Wentworth Street was also closed and water was estimated to be more than 2 feet deep.

Coastal Flood in SOUTHERN COLLETON, SOUTH CAROLINA
From 15-NOV-20 08:15:00 to 15-NOV-20 09:30:00 (EST-5)
Crop damage: 0.00K
Reported by: Storm Chaser

The Palmetto State Chasers group reported significant coastal flooding around Edisto Island. Salt water was surrounding several businesses on the back side of Edisto Beach and several roads were flooded and closed across Edisto Beach. Also, several homes were surrounded by flood waters.

Coastal Flood in CHARLESTON, SOUTH CAROLINA
From 15-NOV-20 08:28:00 to 15-NOV-20 09:28:00 (EST-5)
Crop damage: 0.00K
Reported by: Fire Department/Rescue

The Isle of Palms Fire Department reported 41st Avenue was completely flooded. Salt water was reported close to, but not inside of, structures in this area.

Coastal Flood in CHARLESTON, SOUTH CAROLINA
From 15-NOV-20 09:00:00 to 15-NOV-20 10:00:00 (EST-5)
Crop damage: 0.00K
Reported by: Social Media

Several reports of significant coastal flooding were received via social media across eastern Charleston County. Significant salt water flooding was reported in the backyards of homes along Foster Creek in the Longpoint subdivision. Long Point Road was closed from Needlerush Parkway to the Boone Hall entrance due to salt water. Also, a picture showed salt water flooding across Guerrins Bridge Road.