Coastal Flood Advisory

NWS Baltimore MD/Washington DC · US

New

Details

Coastal Flood Advisory Remains In Effect Until 8 AM EDT Monday

Event: Coastal Flood Advisory
Issued: 2026-09-26 07:18:00 UTC
Onset: 2026-09-26 07:18:00 UTC
Message expires: 2026-09-26 15:30:00 UTC
Expected end: 2026-09-28 12:00:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Minor
Certainty: Likely
Response: Monitor

Description

What

Up to one foot of inundation above ground level in low lying areas due to tidal flooding.

Where

Shoreline in Charles and King George Counties.

When

Until 8 AM EDT Monday, especially around the time of high tide.

Impacts

At 3.5 feet, water reaches yards near Cobb Island and docks near Dahlgren.

Additional details

Tides one and a half to two feet above normal. The next high tides at Goose Bay are 4:15 AM and 4:29 PM. The next high tides at Dahlgren are 3:17 PM and 3:35 AM.

Instructions

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

Affected areas

Charles County, MD
King George County, VA

Public contact

Issuer: NWS Baltimore MD/Washington DC
Website: http://www.weather.gov

Message record

Received: 2026-09-26 07:18:22 UTC
Issue to receipt: ~22s
CAP status: Actual
CAP message type: Alert
Lifecycle: New
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M3E98KJRZT0KGNX5P4PBK3JY
Identifier: urn:oid:2.49.0.1.840.0.d662ac233d88f0b5d6aa8e5809760dfb6c85624c.002.1
Sender: w-nws.webmaster@noaa.gov
Scope: Public
CAP source: 211803 v2.3.0
Handling codes: IPAWSv1.0
Issuing office: NWS Baltimore MD/Washington DC
AWIPS ID: CAPLWX
NWWS sequence: nwws_processor.2413
WMO heading: XOUS51
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 51

References

Identifier: urn:oid:2.49.0.1.840.0.1073e4ca62b4e4f98a3a6cc9c2c9d48accb027ac.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 23:05:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.1d16caa3da0b69730b97510c8410dd09679d58e0.004.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 20:43:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.43580f996d83d8bd978ebbbb4e31a6f939240209.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 18:38:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.6d16cccb6b10e6d9437f30142c0532505d3f13f6.005.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 12:28:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.0662bdaa5e2e152609406572054f8e7194837d88.005.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 06:59:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.8e296fcd6162d5126a3a8b78482cd5c290076716.005.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-24 23:23:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.ed134ff5fa7c0f0e2e944891470b506e51f3529b.005.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-24 18:34:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.0ae204ad2caa5ae0881ae87483774b2061e78915.005.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-24 14:47:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.baeb7b568831b592ac62703c9c7c0b29a52f4253.005.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-24 07:10:00 UTC

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Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-24 02:41:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.7ffea5f088e04ca8470438a249d1127e87f1b4bb.006.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 19:08:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.4072cf7e18df95e72cdf6c954e23a78a4e00c62f.005.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 12:42:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.a8afb4a360fe51ff39060bc9d88e3ab3d4656c6c.002.1
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Sent: 2026-09-23 07:00:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.031194c3c562ed1bcbfef6c7b046dbb4a0109993.005.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 02:10:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.421e1b731ba5e9453fcb18b34cc47c96bdbfc051.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-22 18:53:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.ab16248d1e6a951be23f7c8d34e12076f4eb7c1c.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-22 13:35:00 UTC

Event codes

Name	Value
SAME	NWS
NationalWeatherService	CFY

Parameters

Name	Value
AWIPSidentifier	CFWLWX
WMOidentifier	WHUS41 KLWX 260718
NWSheadline	COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.CON.KLWX.CF.Y.0044.000000T0000Z-260928T1200Z/
eventEndingTime	2026-09-28T08:00:00-04:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1073e4ca62b4e4f98a3a6cc9c2c9d48accb027ac.003.1,2026-09-25T19:05:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1d16caa3da0b69730b97510c8410dd09679d58e0.004.1,2026-09-25T16:43:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.43580f996d83d8bd978ebbbb4e31a6f939240209.001.1,2026-09-25T14:38:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6d16cccb6b10e6d9437f30142c0532505d3f13f6.005.1,2026-09-25T08:28:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0662bdaa5e2e152609406572054f8e7194837d88.005.1,2026-09-25T02:59:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8e296fcd6162d5126a3a8b78482cd5c290076716.005.1,2026-09-24T19:23:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ed134ff5fa7c0f0e2e944891470b506e51f3529b.005.1,2026-09-24T14:34:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0ae204ad2caa5ae0881ae87483774b2061e78915.005.1,2026-09-24T10:47:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.baeb7b568831b592ac62703c9c7c0b29a52f4253.005.1,2026-09-24T03:10:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6281288e4dfc267920594d3f607da741e16589a3.005.1,2026-09-23T22:41:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7ffea5f088e04ca8470438a249d1127e87f1b4bb.006.1,2026-09-23T15:08:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.4072cf7e18df95e72cdf6c954e23a78a4e00c62f.005.1,2026-09-23T08:42:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a8afb4a360fe51ff39060bc9d88e3ab3d4656c6c.002.1,2026-09-23T03:00:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.031194c3c562ed1bcbfef6c7b046dbb4a0109993.005.1,2026-09-22T22:10:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.421e1b731ba5e9453fcb18b34cc47c96bdbfc051.002.1,2026-09-22T14:53:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ab16248d1e6a951be23f7c8d34e12076f4eb7c1c.001.1,2026-09-22T09:35:00-04:00

Locations

Location data

Charles County, MD
King George County, VA

Name	Value
SAME	024017
SAME	051099
UGC	MDZ016
UGC	VAZ057