Station Name: COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
US Hwy 17
Mount Pleasant, SC 29464
Charleston County

GPS Coordinates: 32.80239835, -79.9100869

Nearby Water Temperatures

Small Craft Advisory issued August 3 at 1:45AM EDT until August 3 at 8:00PM EDT by NWS Charleston SC

Effective: Mon August 3, 2026, 1:45 AM
Expires: Mon August 3, 2026, 3:00 PM

* WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 6 ft. * WHERE...South Santee River to Edisto Beach out 20 NM. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Marine Weather Statement issued August 3 at 5:09AM EDT by NWS Charleston SC

Effective: Mon August 3, 2026, 5:09 AM
Expires: Mon August 3, 2026, 11:00 AM

The areas affected include... Waters from South Santee River SC to Savannah GA out 60 NM... Waters from Savannah GA to Altamaha Sound GA out 60 NM... Conditions will be favorable for the development of waterspouts across the nearshore and offshore waters of Southeast South Carolina and Southeast Georgia this morning. The waterspout risk will be highest near lines of building clouds and in the vicinity of isolated to scattered showers and thunderstorms.

If waterspouts occur, move your boat away from the waterspout. Remember that waterspouts can develop rapidly and produce winds and seas that are dangerous for vessels and everyone onboard. Report waterspouts via social media or call the National Weather Service directly at 1-888-383-2024.