Active Weather Alerts
Rip Current Statement
Issued: 1:42 AM Oct. 25, 2026 – National Weather Service
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT MONDAY... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... ...COASTAL FLOOD WARNING IN EFFECT FROM 4 AM TO 11 AM EDT SUNDAY... * WHAT...For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Warning, one to two feet of inundation above ground level expected along shorelines and tidal waterways (7.9 to 8.1 feet Mean Lower Low Water at Charleston). * WHERE...Coastal Colleton and Charleston Counties. * WHEN...For the High Surf Advisory, until 5 PM EDT Monday. For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Warning, from 4 AM to 11 AM EDT Sunday. * IMPACTS...Significant saltwater inundation will render numerous roads impassable. Properties may also flood. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...High tide will occur around 7:34 AM Sunday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth. Visit water.weather.gov for additional water level and flood impact information. Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && Time of high total tides are approximate to the nearest hour. Charleston Harbor SC MLLW Categories - Minor 7.0 ft, Moderate 7.5 ft, Major 8.0 ft MHHW Categories - Minor 1.2 ft, Moderate 1.7 ft, Major 2.2 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 25/08 AM 8.0 2.2 1.5 N/A Major 25/08 PM 7.5 1.7 1.7 N/A Moderate 26/08 AM 8.1 2.3 1.4 N/A Major 26/09 PM 7.1 1.3 1.4 N/A Minor 27/09 AM 8.1 2.3 1.2 N/A Major &&
Coastal Flood Warning
Issued: 1:42 AM Oct. 25, 2026 – National Weather Service
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT MONDAY... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... ...COASTAL FLOOD WARNING IN EFFECT FROM 4 AM TO 11 AM EDT SUNDAY... * WHAT...For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Warning, one to two feet of inundation above ground level expected along shorelines and tidal waterways (7.9 to 8.1 feet Mean Lower Low Water at Charleston). * WHERE...Coastal Colleton and Charleston Counties. * WHEN...For the High Surf Advisory, until 5 PM EDT Monday. For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Warning, from 4 AM to 11 AM EDT Sunday. * IMPACTS...Significant saltwater inundation will render numerous roads impassable. Properties may also flood. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...High tide will occur around 7:34 AM Sunday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth. Visit water.weather.gov for additional water level and flood impact information. Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && Time of high total tides are approximate to the nearest hour. Charleston Harbor SC MLLW Categories - Minor 7.0 ft, Moderate 7.5 ft, Major 8.0 ft MHHW Categories - Minor 1.2 ft, Moderate 1.7 ft, Major 2.2 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 25/08 AM 8.0 2.2 1.5 N/A Major 25/08 PM 7.5 1.7 1.7 N/A Moderate 26/08 AM 8.1 2.3 1.4 N/A Major 26/09 PM 7.1 1.3 1.4 N/A Minor 27/09 AM 8.1 2.3 1.2 N/A Major &&
High Surf Advisory
Issued: 1:42 AM Oct. 25, 2026 – National Weather Service
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT MONDAY... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... ...COASTAL FLOOD WARNING IN EFFECT FROM 4 AM TO 11 AM EDT SUNDAY... * WHAT...For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Warning, one to two feet of inundation above ground level expected along shorelines and tidal waterways (7.9 to 8.1 feet Mean Lower Low Water at Charleston). * WHERE...Coastal Colleton and Charleston Counties. * WHEN...For the High Surf Advisory, until 5 PM EDT Monday. For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Warning, from 4 AM to 11 AM EDT Sunday. * IMPACTS...Significant saltwater inundation will render numerous roads impassable. Properties may also flood. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...High tide will occur around 7:34 AM Sunday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth. Visit water.weather.gov for additional water level and flood impact information. Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && Time of high total tides are approximate to the nearest hour. Charleston Harbor SC MLLW Categories - Minor 7.0 ft, Moderate 7.5 ft, Major 8.0 ft MHHW Categories - Minor 1.2 ft, Moderate 1.7 ft, Major 2.2 ft Total Total Departure Day/Time Tide Tide from Norm Waves Flood ft MLLW ft MHHW ft ft Impact -------- --------- --------- --------- ------- -------- 25/08 AM 8.0 2.2 1.5 N/A Major 25/08 PM 7.5 1.7 1.7 N/A Moderate 26/08 AM 8.1 2.3 1.4 N/A Major 26/09 PM 7.1 1.3 1.4 N/A Minor 27/09 AM 8.1 2.3 1.2 N/A Major &&
Small Craft Advisory
Issued: 6:17 PM Oct. 24, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT MONDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt. * WHERE...Charleston Harbor. * WHEN...Until 5 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
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