IEM VTEC Product Browser
This application allows easy navigation of National Weather Service issued products with Valid Time Event Coding (VTEC).
13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.
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2025 [KCHS] CHARLESTON Marine (MA) Warning (W) Number 8
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
352
WHUS52 KCHS 162308
SMWCHS
AMZ370-170015-
/O.NEW.KCHS.MA.W.0008.250316T2308Z-250317T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Charleston SC
708 PM EDT Sun Mar 16 2025
The National Weather Service in Charleston has issued a
* Special Marine Warning for...
Waters from South Santee River SC to Edisto Beach SC extending
from 20 to 40 NM...
* Until 815 PM EDT.
* At 708 PM EDT, strong thunderstorms were located along a line from
6 NM northwest of Edisto Buoy to 12 NM south of Doug Mellichamp
Reef, moving northeast at 50 knots.
HAZARD...Wind gusts to 40 knots.
SOURCE...Radar indicated.
IMPACT...Small craft could be damaged in briefly higher winds
and suddenly higher waves.
* Locations impacted include...
Edisto Buoy, Capers Mid Shelf, Comanche Reef and Doug Mellichamp
Reef.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor until hazardous weather passes.
&&
LAT...LON 3249 7894 3248 7895 3241 7907 3237 7917
3236 7919 3233 7924 3231 7928 3227 7933
3225 7936 3223 7940 3247 7938 3292 7886
3280 7863 3276 7867 3270 7871 3261 7882
3257 7885 3255 7888
TIME...MOT...LOC 2308Z 225DEG 49KT 3258 7915 3225 7929
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 KTS
$$
ST
319
FZUS72 KCHS 162355
MWSCHS
Marine Weather Statement
National Weather Service Charleston SC
755 PM EDT Sun Mar 16 2025
AMZ370-170015-
/O.CON.KCHS.MA.W.0008.000000T0000Z-250317T0015Z/
755 PM EDT Sun Mar 16 2025
...SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 815 PM EDT...
For the following areas...
Waters from South Santee River SC to Edisto Beach SC extending from
20 to 40 NM...
At 755 PM EDT, strong thunderstorms were located along a line from
13 NM east of Cape Romain Reef to 9 NM east of Edisto Buoy, moving
northeast at 40 knots.
HAZARD...Wind gusts to 40 knots.
SOURCE...Radar indicated.
IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.
Locations impacted include...
Edisto Buoy.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor until hazardous weather passes.
&&
LAT...LON 3280 7863 3276 7867 3270 7871 3261 7882
3256 7886 3255 7888 3248 7895 3241 7907
3239 7912 3273 7908 3292 7886
TIME...MOT...LOC 2308Z 231DEG 37KT 3261 7925 3216 7939
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 KTS
$$
ST
289
FZUS72 KCHS 170015
MWSCHS
Marine Weather Statement
National Weather Service Charleston SC
815 PM EDT Sun Mar 16 2025
AMZ370-170025-
/O.EXP.KCHS.MA.W.0008.000000T0000Z-250317T0015Z/
815 PM EDT Sun Mar 16 2025
...SPECIAL MARINE WARNING HAS EXPIRED...
The affected areas were...
Waters from South Santee River SC to Edisto Beach SC extending from
20 to 40 NM...
Thunderstorms will exit the area shortly. A gust to 47 knots was
observed at the Edisto Buoy around 745 PM.
&&
LAT...LON 3280 7863 3276 7867 3270 7871 3261 7882
3256 7886 3255 7888 3248 7895 3241 7907
3239 7912 3273 7908 3292 7886
TIME...MOT...LOC 2355Z 231DEG 37KT 3292 7879 3247 7893
$$
ST
Permalink to 202503162308-KCHS-WHUS52-SMWCHS
352
WHUS52 KCHS 162308
SMWCHS
AMZ370-170015-
/O.NEW.KCHS.MA.W.0008.250316T2308Z-250317T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Charleston SC
708 PM EDT Sun Mar 16 2025
The National Weather Service in Charleston has issued a
* Special Marine Warning for...
Waters from South Santee River SC to Edisto Beach SC extending
from 20 to 40 NM...
* Until 815 PM EDT.
* At 708 PM EDT, strong thunderstorms were located along a line from
6 NM northwest of Edisto Buoy to 12 NM south of Doug Mellichamp
Reef, moving northeast at 50 knots.
HAZARD...Wind gusts to 40 knots.
SOURCE...Radar indicated.
IMPACT...Small craft could be damaged in briefly higher winds
and suddenly higher waves.
* Locations impacted include...
Edisto Buoy, Capers Mid Shelf, Comanche Reef and Doug Mellichamp
Reef.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor until hazardous weather passes.
&&
LAT...LON 3249 7894 3248 7895 3241 7907 3237 7917
3236 7919 3233 7924 3231 7928 3227 7933
3225 7936 3223 7940 3247 7938 3292 7886
3280 7863 3276 7867 3270 7871 3261 7882
3257 7885 3255 7888
TIME...MOT...LOC 2308Z 225DEG 49KT 3258 7915 3225 7929
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 KTS
$$
ST
Permalink to 202503162355-KCHS-FZUS72-MWSCHS
319
FZUS72 KCHS 162355
MWSCHS
Marine Weather Statement
National Weather Service Charleston SC
755 PM EDT Sun Mar 16 2025
AMZ370-170015-
/O.CON.KCHS.MA.W.0008.000000T0000Z-250317T0015Z/
755 PM EDT Sun Mar 16 2025
...SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 815 PM EDT...
For the following areas...
Waters from South Santee River SC to Edisto Beach SC extending from
20 to 40 NM...
At 755 PM EDT, strong thunderstorms were located along a line from
13 NM east of Cape Romain Reef to 9 NM east of Edisto Buoy, moving
northeast at 40 knots.
HAZARD...Wind gusts to 40 knots.
SOURCE...Radar indicated.
IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.
Locations impacted include...
Edisto Buoy.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor until hazardous weather passes.
&&
LAT...LON 3280 7863 3276 7867 3270 7871 3261 7882
3256 7886 3255 7888 3248 7895 3241 7907
3239 7912 3273 7908 3292 7886
TIME...MOT...LOC 2308Z 231DEG 37KT 3261 7925 3216 7939
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 KTS
$$
ST
Permalink to 202503170015-KCHS-FZUS72-MWSCHS
289
FZUS72 KCHS 170015
MWSCHS
Marine Weather Statement
National Weather Service Charleston SC
815 PM EDT Sun Mar 16 2025
AMZ370-170025-
/O.EXP.KCHS.MA.W.0008.000000T0000Z-250317T0015Z/
815 PM EDT Sun Mar 16 2025
...SPECIAL MARINE WARNING HAS EXPIRED...
The affected areas were...
Waters from South Santee River SC to Edisto Beach SC extending from
20 to 40 NM...
Thunderstorms will exit the area shortly. A gust to 47 knots was
observed at the Edisto Buoy around 745 PM.
&&
LAT...LON 3280 7863 3276 7867 3270 7871 3261 7882
3256 7886 3255 7888 3248 7895 3241 7907
3239 7912 3273 7908 3292 7886
TIME...MOT...LOC 2355Z 231DEG 37KT 3292 7879 3247 7893
$$
ST
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