Small Craft Advisory

NWS Charleston SC · US

Updated

Details

Small Craft Advisory Remains In Effect Until 2 PM EDT Thursday... ...Gale Warning Remains In Effect From 2 PM Thursday To 6 AM EDT Friday

Event: Small Craft Advisory
Issued: 2026-09-23 22:46:00 UTC
Onset: 2026-09-23 22:46:00 UTC
Message expires: 2026-09-24 07:00:00 UTC
Expected end: 2026-09-24 18:00:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Minor
Certainty: Likely
Response: Avoid

Description

What

For the Small Craft Advisory, north winds around 25 kt with gusts up to 30 kt and seas 5 to 8 ft. For the Gale Warning, north winds 25 to 30 kt with gusts up to 35 kt and seas 7 to 10 ft expected.

Where

Savannah to Altamaha Sound from 20 to 60 NM.

When

For the Small Craft Advisory, until 2 PM EDT Thursday. For the Gale Warning, from 2 PM Thursday to 6 AM EDT Friday.

Impacts

Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.

Instructions

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.

Affected areas

Waters from Savannah GA to Altamaha Sound GA extending from 20 to 60 NM

Public contact

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

Message record

Received: 2026-09-23 22:46:20 UTC
Issue to receipt: ~21s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M3875M4CNQK6YJDN6E0Z77JZ
Identifier: urn:oid:2.49.0.1.840.0.43a277bd944c8868487e2a014fb3a017aa9b8860.001.1
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.7631
WMO heading: XOUS52
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 52

References

Identifier: urn:oid:2.49.0.1.840.0.706285c84964bab9f28ec5abe1985eaa48a8b5a1.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 17:37:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.ffbca6d3691b98d314f143a725e7410cda1d66c5.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 12:20:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.4a3b6eb11c9ae47b89cf374114dce6be725c982e.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 06:13:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.dfe0edb52850e4029a0f53ef9259182f265388d1.004.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-22 23:58:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.1a987f18b505b8a72825bfc4e24dc425eb218e44.004.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-22 18:13:00 UTC

Event codes

Name	Value
SAME	NWS
NationalWeatherService	SCY

Parameters

Name	Value
AWIPSidentifier	MWWCHS
WMOidentifier	WHUS72 KCHS 232246
NWSheadline	SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 2 PM THURSDAY TO 6 AM EDT FRIDAY
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.CON.KCHS.SC.Y.0050.000000T0000Z-260924T1800Z/
eventEndingTime	2026-09-24T14:00:00-04:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ffbca6d3691b98d314f143a725e7410cda1d66c5.001.1,2026-09-23T08:20:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.4a3b6eb11c9ae47b89cf374114dce6be725c982e.001.1,2026-09-23T02:13:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.dfe0edb52850e4029a0f53ef9259182f265388d1.004.1,2026-09-22T19:58:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1a987f18b505b8a72825bfc4e24dc425eb218e44.004.1,2026-09-22T14:13:00-04:00

Locations

Location data

Waters from Savannah GA to Altamaha Sound GA extending from 20 to 60 NM

Name	Value
SAME	075384
UGC	AMZ384