820
WHUS52 KCHS 132301
SMWCHS
AMZ354-140100-
/O.NEW.KCHS.MA.W.0149.250813T2301Z-250814T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Charleston SC
701 PM EDT Wed Aug 13 2025

The National Weather Service in Charleston has issued a

* Special Marine Warning for...
  Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
  Grays Reef National Marine Sanctuary...

* Until 900 PM EDT.

* At 701 PM EDT, strong thunderstorms were located along a line from
  6 NM west of Altamaha Sound to 32 NM south of Altamaha Sound,
  moving northeast at 20 knots.

  HAZARD...Wind gusts to nearly 50 knots.

  SOURCE...Radar indicated.

  IMPACT...Small craft could be damaged in briefly higher winds
           and suddenly higher waves.

* Locations impacted include...
  Buoy B H, Doboy Sound Buoy D, Sapelo Channelbuoy 3, K T K Buoy, A
  L T Buoy, Steel Barge Modena, D R H Buoy, John Bird, Sapelo Buoy
  S, Altamaha Sound, Tug Rio Caroni and Grays Reef Buoy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

&&

LAT...LON 3137 8146 3140 8144 3139 8142 3144 8139
      3146 8133 3144 8127 3161 8117 3163 8117
      3161 8094 3152 8082 3140 8086 3129 8094
      3124 8094 3128 8124 3129 8134 3128 8134
      3130 8136 3130 8137 3128 8138 3134 8146
TIME...MOT...LOC 2301Z 227DEG 17KT 3132 8142 3110 8143 3081 8145

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 KTS

$$

APT