Station Name: Charleston
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 10 feet / 3 meters

Sensor Depth: -6.9 feet / -2.1 meters

Nearest Address:
172–182 Concord St
Charleston, SC 29401
Charleston County

GPS Coordinates: 32.781700, -79.925003

Nearby Water Temperatures

Heat Advisory issued July 30 at 1:20PM EDT until July 30 at 8:00PM EDT by NWS Charleston SC

Effective: Wed July 30, 2025, 1:20 PM
Expires: Wed July 30, 2025, 9:30 PM

* WHAT...Heat index values of 108 to 112 expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...For Today's Heat Advisory, until 8 PM EDT. For Thursday's Heat Advisory, from 11 AM to 8 PM EDT. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Scattered to numerous showers and thunderstorms are expected to develop later this afternoon which may provide relief for some locations.

Drink plenty of fluids, stay in an air-conditioned room, stay in the shade, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Heat Advisory issued July 30 at 1:20PM EDT until July 31 at 8:00PM EDT by NWS Charleston SC

Effective: Wed July 30, 2025, 1:20 PM
Expires: Wed July 30, 2025, 9:30 PM

* WHAT...Heat index values of 108 to 112 expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...For Today's Heat Advisory, until 8 PM EDT. For Thursday's Heat Advisory, from 11 AM to 8 PM EDT. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Scattered to numerous showers and thunderstorms are expected to develop later this afternoon which may provide relief for some locations.

Drink plenty of fluids, stay in an air-conditioned room, stay in the shade, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Heat Advisory issued July 30 at 8:01PM EDT until July 31 at 8:00PM EDT by NWS Charleston SC

Effective: Wed July 30, 2025, 8:01 PM
Expires: Thu July 31, 2025, 4:15 AM

* WHAT...Heat index values of 108 to 112 expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay in the shade, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Heat Advisory issued July 30 at 1:20PM EDT until July 30 at 8:00PM EDT by NWS Charleston SC

Effective: Wed July 30, 2025, 1:20 PM
Expires: Wed July 30, 2025, 9:30 PM

* WHAT...Heat index values of 108 to 112 expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...For Today's Heat Advisory, until 8 PM EDT. For Thursday's Heat Advisory, from 11 AM to 8 PM EDT. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Scattered to numerous showers and thunderstorms are expected to develop later this afternoon which may provide relief for some locations.

Drink plenty of fluids, stay in an air-conditioned room, stay in the shade, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Heat Advisory issued July 30 at 1:20PM EDT until July 31 at 8:00PM EDT by NWS Charleston SC

Effective: Wed July 30, 2025, 1:20 PM
Expires: Wed July 30, 2025, 9:30 PM

* WHAT...Heat index values of 108 to 112 expected. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...For Today's Heat Advisory, until 8 PM EDT. For Thursday's Heat Advisory, from 11 AM to 8 PM EDT. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Scattered to numerous showers and thunderstorms are expected to develop later this afternoon which may provide relief for some locations.

Drink plenty of fluids, stay in an air-conditioned room, stay in the shade, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.