South Carolina Lowcountry Water Temperature, Tides & Buoy Report

Region: South Carolina / Georgia

The South Carolina Lowcountry coast is defined by its vast tidal marsh and creek system — one of the most extensive on the East Coast — and its proximity to the Gulf Stream, which runs as close as 40 miles offshore. From Charleston Harbor south through the barrier islands, the coast experiences some of the largest tidal ranges south of New England, with spring tides regularly reaching 5–7 feet. This combination of extreme tidal exchange, warm Gulf Stream influence, and complex marsh geography creates a conditions environment that changes dramatically with every tide cycle.

NOAA Stations Near South Carolina Lowcountry

Frequently Asked Questions

What conditions does Big Buoy track near the South Carolina coast?
Big Buoy tracks real-time water temperature, wave height, swell period and direction, wind speed and direction, and atmospheric pressure from 22 stations across the region, including Edisto (Charleston area), Capers Nearshore, Grays Reef (southern reference), and Frying Pan Shoals (northern offshore). You also get 7-day tide forecasts, solunar tables, and extended weather outlooks covering the Lowcountry from Charleston Harbor through the barrier islands.
What is the tidal range along the South Carolina coast?
Tidal range along the South Carolina Lowcountry is among the largest south of New England — spring tides regularly reach 5–7 feet. The enormous volume of water moving through the inlets and tidal creeks on every tide change creates strong currents that shift sand bars and change channel depths throughout the year. Timing your transit through the inlets around tidal phase is essential for safe navigation.
What conditions should I check before heading out on the South Carolina coast?
Tidal phase is critical — the 5–7 foot range creates powerful inlet currents, especially during the last two hours of the outgoing tide. Check the offshore water temperature to gauge Gulf Stream position — the warm boundary can be as close as 40 miles offshore, and its location shifts daily. Wind direction matters for inlet bar conditions: opposing wind and tide creates steep, breaking seas at the passes. During hurricane season (June–November), monitor tropical weather closely since the low-lying coast is extremely vulnerable. Big Buoy shows real-time data from four NOAA stations covering nearshore through offshore plus tide and weather forecasts.
What NOAA stations does Big Buoy track near South Carolina Lowcountry?
Big Buoy tracks 882 NOAA buoys and 3,400+ tide stations nationwide, with many in the South Carolina Lowcountry area — including EDISTO - 41 NM Southeast of Charleston, SC (41004), Capers Nearshore, SC (CAP2) (41029), GRAYS REEF - 40 NM Southeast of Savannah, GA (41008), Frying Pan Shoals, NC (41013). Each station reports water temperature, wave height, wind speed and direction, and more — updated every 10 minutes. Open the map to see all stations near South Carolina Lowcountry.
What marine conditions are available for South Carolina Lowcountry?
Big Buoy shows real-time water temperature, wave height, swell period, wind speed and direction, 7-day tide tables with exact high and low times, and daily solunar peak windows for South Carolina Lowcountry.
Is Big Buoy free to use for South Carolina Lowcountry marine conditions?
Yes. Real-time buoy data, tides, and solunar for South Carolina Lowcountry are completely free with no account required. Big Buoy Pro adds the Wind Tab, the Depth Chart, satellite overlays (sea surface temp, chlorophyll, currents), 16-day forecasts, and forecast model switching.