SMWCHS The National Weather Service in Charleston has issued a * Special Marine Warning for. Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm . including Grays Reef National Marine Sanctuary. Waters from Savannah GA to Altamaha Sound GA extending from 20 nm to 60 nm. * Until 745 PM EDT. * At 617 PM EDT, strong thunderstorms were located along a line extending from near Altamaha Sound to 10 nm south of A L T Buoy, moving northeast at 35 knots. HAZARD. Wind gusts 35 knots or greater. SOURCE. Radar. IMPACT. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include. Tug Rio Caroni. Buoy B L. Doboy Sound Buoy D. Buoy J. K T K Buoy. Sapelo Channelbuoy 3. D U A Buoy. Buoy B H. C A T Buoy. Grays Reef Buoy. Tug Rio Apon. C C A Buoy. Altamaha Sound. Saint Catherines Sound. Ossabaw Sound. John Bird. D R H Buoy. Honey Barge. Sapelo Buoy S. Steel Barge Modena.

Another Heat Advisory will likely be required again for Thursday.

For the following areas. Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm . including Grays Reef National Marine Sanctuary. At 657 PM EDT, strong thunderstorms were located along a line extending from 18 nm northwest of Doboy Sound Buoy D to near Altamaha Sound, moving northeast at 10 knots. HAZARD. Wind gusts 35 knots or greater. SOURCE. Radar indicated. IMPACT. Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include. A L T Buoy. Doboy Sound Buoy D. K T K Buoy. Sapelo Channelbuoy 3. Altamaha Sound. Steel Barge Modena. Buoy B H.

At 725 PM EDT, wind shifts were located along a line extending from near Buoy K C to 11 nm southeast of Sayler Barge to 13 nm south of R2 Tower, moving east at 25 knots. HAZARD. Winds up to 30 knots. IMPACT. Expect briefly stronger winds and suddenly higher waves. Marine locations impacted through 800 PM EDT include: Sayler Barge. Buoy K C. Whitewater Reef. Beaufort 45 Feet Reef. Betsy Ross Reef. R7 Tower. Tug Senasqua. Latex Barge. Buoy L. Sailboat Jupiter. Dredge Henry. R2 Tower. Motherlode Barge. Tug Delta Diamond. Hilton Head Reef. 110 Degree Olympic Buoy. Savannah Buoy. Channel Buoy 5. C C A Buoy. Tug Matt Turecamo.

* WHAT. Urban and small stream flooding caused by excessive rainfall is expected. * WHERE. A portion of southeast Georgia, including the following counties, Camden and Glynn. * WHEN. Until 830 PM EDT. * IMPACTS. Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS. - At 628 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. This is causing urban and small stream flooding. Overflowing poor drainage areas have already caused minor flooding in the advisory area. Between 2 and 3 inches of rain have fallen. - Some locations that will experience flooding include. Brunswick, St. Simons Island, Dock Junction, Country Club Estates, Jekyll Island, St Simons Island Village, Thalmann, Sea Island, Waverly, Everett, Boys Estate and Dover Bluff. - http://www.weather.gov/safety/flood