Active Weather Alerts
Gale Watch
Issued: 6:40 PM Oct. 8, 2026 – National Weather Service
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY EVENING... * WHAT...East winds 20 to 30 kt with gusts up to 35 kt and seas 6 to 9 ft possible. * WHERE...South Santee River to Edisto Beach out 20 NM. * WHEN...From Friday evening through Saturday evening. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. &&
Coastal Flood Advisory
Issued: 6:38 PM Oct. 8, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Up to one half foot of inundation above ground level expected along shorelines and tidal waterways (7.0 to 7.2 feet Mean Lower Low Water at Charleston). * WHERE...Coastal Colleton and Charleston Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...This could result in some roads becoming impassable. * ADDITIONAL DETAILS...High tide will occur around 7:08 PM today at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Visit water.weather.gov for additional water level and flood impact information. && 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 -------- --------- --------- --------- ------- -------- 08/07 PM 7.1 1.3 0.8 N/A Minor 09/08 AM 7.1 1.3 0.7 N/A Minor 09/08 PM 7.0 1.2 0.8 N/A Minor 10/09 AM 7.7 1.9 1.3 N/A Moderate 10/08 PM 7.5 1.7 1.6 N/A Moderate &&
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