Coastal Flood Advisory

NWS Baltimore MD/Washington DC · US

Updated

Details

Coastal Flood Advisory Now In Effect Until 6 PM EDT Sunday... ...Coastal Flood Warning Is Cancelled

Event: Coastal Flood Advisory
Issued: 2026-09-27 02:56:00 UTC
Onset: 2026-09-27 02:56:00 UTC
Message expires: 2026-09-27 11:00:00 UTC
Expected end: 2026-09-27 22:00:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Minor
Certainty: Likely
Response: Monitor

Description

What

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

Where

Shoreline in St. Marys County.

When

Until 6 PM EDT Sunday, especially around the time of high tide.

Impacts

At 3.5 feet, water covers roads on Saint George Island, is in yards, and is approaching structures. To the east, inundation is occurring at multiple marinas off St. Mary's River, Smith Creek, and Jutland Creek.

Additional details

Tides two to two and a half feet above normal. The next high tides at Piney Point are 3:07 AM and 3:19 PM. The next high tides at Coltons Point are 3:43 AM and 3:55 PM. The next high tides at Point Lookout are 1:55 AM and 2:36 PM.

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

St. Marys

Public contact

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

Message record

Received: 2026-09-27 02:56:25 UTC
Issue to receipt: ~25s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M3GCNP4DM1F25PNH8TFF5M59
Identifier: urn:oid:2.49.0.1.840.0.dbf871b64f0858c8fce9aeceb7e5922161cd9e63.001.2
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.4023
WMO heading: XOUS51
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 51

References

Identifier: urn:oid:2.49.0.1.840.0.87ddb44cfd88c5fc20f13902a0756036c53c7906.001.2
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-26 18:50:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.e8177d0aa89e47e34f87bfbfb36f66389b50ddbb.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-26 12:36:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.d662ac233d88f0b5d6aa8e5809760dfb6c85624c.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-26 07:18:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.1073e4ca62b4e4f98a3a6cc9c2c9d48accb027ac.004.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 23:05:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.1d16caa3da0b69730b97510c8410dd09679d58e0.005.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 20:43:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.43580f996d83d8bd978ebbbb4e31a6f939240209.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 18:38:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.6d16cccb6b10e6d9437f30142c0532505d3f13f6.006.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 12:28:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.0662bdaa5e2e152609406572054f8e7194837d88.002.2
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 06:59:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.4072cf7e18df95e72cdf6c954e23a78a4e00c62f.001.2
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 12:42:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.7ffea5f088e04ca8470438a249d1127e87f1b4bb.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 19:08:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.a8afb4a360fe51ff39060bc9d88e3ab3d4656c6c.004.2
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 07:00:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.031194c3c562ed1bcbfef6c7b046dbb4a0109993.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 02:10:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.421e1b731ba5e9453fcb18b34cc47c96bdbfc051.004.2
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-22 18:53:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.ab16248d1e6a951be23f7c8d34e12076f4eb7c1c.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-22 13:35:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.e0390ac8bb4a9c0737a5e4382ebdbf3cd71b8301.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-22 11:50:00 UTC

Event codes

Name	Value
SAME	NWS
NationalWeatherService	CFY

Parameters

Name	Value
AWIPSidentifier	CFWLWX
WMOidentifier	WHUS41 KLWX 270256
NWSheadline	COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 6 PM EDT SUNDAY... ...COASTAL FLOOD WARNING IS CANCELLED
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.EXT.KLWX.CF.Y.0044.000000T0000Z-260927T2200Z/
eventEndingTime	2026-09-27T18:00:00-04:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8177d0aa89e47e34f87bfbfb36f66389b50ddbb.003.1,2026-09-26T08:36:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d662ac233d88f0b5d6aa8e5809760dfb6c85624c.003.1,2026-09-26T03:18:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1073e4ca62b4e4f98a3a6cc9c2c9d48accb027ac.004.1,2026-09-25T19:05:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1d16caa3da0b69730b97510c8410dd09679d58e0.005.1,2026-09-25T16:43:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.43580f996d83d8bd978ebbbb4e31a6f939240209.002.1,2026-09-25T14:38:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6d16cccb6b10e6d9437f30142c0532505d3f13f6.006.1,2026-09-25T08:28:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0662bdaa5e2e152609406572054f8e7194837d88.002.2,2026-09-25T02:59:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.4072cf7e18df95e72cdf6c954e23a78a4e00c62f.001.2,2026-09-23T08:42:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7ffea5f088e04ca8470438a249d1127e87f1b4bb.001.1,2026-09-23T15:08:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a8afb4a360fe51ff39060bc9d88e3ab3d4656c6c.004.2,2026-09-23T03:00:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.031194c3c562ed1bcbfef6c7b046dbb4a0109993.002.1,2026-09-22T22:10:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.421e1b731ba5e9453fcb18b34cc47c96bdbfc051.004.2,2026-09-22T14:53:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ab16248d1e6a951be23f7c8d34e12076f4eb7c1c.003.1,2026-09-22T09:35:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e0390ac8bb4a9c0737a5e4382ebdbf3cd71b8301.002.1,2026-09-22T07:50:00-04:00

Locations

Location data

St. Marys

Name	Value
SAME	024037
UGC	MDZ017