Small Craft Advisory

NWS Charleston SC · US

Updated

Details

Small Craft Advisory Will Expire At 2 AM EDT Early This Morning

Event: Small Craft Advisory
Issued: 2026-09-17 05:53:00 UTC
Onset: 2026-09-17 05:53:00 UTC
Message expires: 2026-09-17 07:00:00 UTC
Expected end: 2026-09-17 06:00:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Minor
Certainty: Likely
Response: Avoid

Affected areas

Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary

Public contact

Issuer: NWS Charleston SC
Website: http://www.weather.gov

Message record

Received: 2026-09-17 05:53:51 UTC
Issue to receipt: ~52s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M2PYVD2JE6AEF1XAE8E9DGH4
Identifier: urn:oid:2.49.0.1.840.0.ff6c2081f076b4a2660a3257d5feb3865640bbab.001.1
Sender: w-nws.webmaster@noaa.gov
Scope: Public
CAP source: 211803 v2.3.0
Handling codes: IPAWSv1.0
Issuing office: NWS Charleston SC
AWIPS ID: CAPCHS
NWWS sequence: nwws_processor.8301
WMO heading: XOUS52
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 52

References

Identifier: urn:oid:2.49.0.1.840.0.eced2a550a6c5b366da4c0359b022e37f0d01422.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-16 23:34:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.979491c1c3ed33a2fa270ef976d01df5081cedbc.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-16 18:07:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.fcd7f7f5c53093a9c10a6075daf7b89fa5c8e146.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-16 13:42:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.843cb5288c5df2c3fa75eff8220753002036e7e4.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-16 10:35:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.6b1108e9a5140777a0e6f227b2f58dc9eb9d5bbd.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-16 06:21:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.753b5bc9f78ae4c3c8bb58237d5f2da9713e947f.004.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-15 23:44:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.8ebbf005391bef00ec8bfec779a2517f37725055.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-15 18:06:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.1a00c2495a96ccde2e0297751cf9eb65bfb400ec.004.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-15 14:20:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.15aa5a206774486da5688e3f46e2c4f0e28564ac.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-15 10:31:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.6106509dd1eabedbf5151b35ee3d19c3620c2a42.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-15 06:21:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.a755f72ee37cb59346ca2cf173127710bf55c86e.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-14 23:34:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.63d9fcab11e29ddc63e11d07308e56935c45f5e0.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-14 18:07:00 UTC

Event codes

Name	Value
SAME	NWS
NationalWeatherService	SCY

Parameters

Name	Value
AWIPSidentifier	MWWCHS
WMOidentifier	WHUS72 KCHS 170553
NWSheadline	SMALL CRAFT ADVISORY WILL EXPIRE AT 2 AM EDT EARLY THIS MORNING
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.EXP.KCHS.SC.Y.0049.000000T0000Z-260917T0600Z/
eventEndingTime	2026-09-17T02:00:00-04:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.979491c1c3ed33a2fa270ef976d01df5081cedbc.003.1,2026-09-16T14:07:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.fcd7f7f5c53093a9c10a6075daf7b89fa5c8e146.003.1,2026-09-16T09:42:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.843cb5288c5df2c3fa75eff8220753002036e7e4.003.1,2026-09-16T06:35:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6b1108e9a5140777a0e6f227b2f58dc9eb9d5bbd.003.1,2026-09-16T02:21:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.753b5bc9f78ae4c3c8bb58237d5f2da9713e947f.004.1,2026-09-15T19:44:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8ebbf005391bef00ec8bfec779a2517f37725055.003.1,2026-09-15T14:06:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1a00c2495a96ccde2e0297751cf9eb65bfb400ec.004.1,2026-09-15T10:20:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.15aa5a206774486da5688e3f46e2c4f0e28564ac.003.1,2026-09-15T06:31:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6106509dd1eabedbf5151b35ee3d19c3620c2a42.003.1,2026-09-15T02:21:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a755f72ee37cb59346ca2cf173127710bf55c86e.003.1,2026-09-14T19:34:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.63d9fcab11e29ddc63e11d07308e56935c45f5e0.003.1,2026-09-14T14:07:00-04:00

Locations

Location data

Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary

Name	Value
SAME	075364
UGC	AMZ364