Warning Vector

Coastal Flood Advisory

NWS Baltimore MD/Washington DC ยท US

Updated

Details

Coastal Flood Advisory Now In Effect Until 6 PM EDT This Evening... ...Coastal Flood Warning In Effect From 9 PM This Evening To 4 AM EDT Thursday... ...Coastal Flood Watch Now In Effect From Late Tonight Through Friday Afternoon

Event
Coastal Flood Advisory
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Expected
Severity
Minor
Certainty
Likely
Response
Monitor

Description

What

For the Coastal Flood Advisory, up to one half foot of inundation above ground level in low lying areas due to tidal flooding. For the Coastal Flood Warning, up to one foot of inundation above ground level expected in low lying areas due to tidal flooding. For the Coastal Flood Watch, up to one foot of inundation above ground level possible in low lying areas due to tidal flooding.

Where

Shoreline in St. Marys County.

When

For the Coastal Flood Advisory, until 6 PM EDT this evening, especially around the time of high tide. For the Coastal Flood Warning, from 9 PM this evening to 4 AM EDT Thursday, especially around the time of high tide. For the Coastal Flood Watch, from late tonight through Friday afternoon, 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 three feet above normal. The next high tide at Coltons Point is at 1:31 PM and 1:46 AM. The next high tide at Piney Point is at 12:55 PM and 1:10 AM. The next high tide at Point Lookout is at 11:43 AM and 12:04 AM.

Instructions

Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.

Affected areas

  • St. Marys

Public contact

Issuer
NWS Baltimore MD/Washington DC

Message record

Received
Issue to receipt
~57s
CAP status
Actual
CAP message type
Update
Lifecycle
Updated
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M374MS900YGM9V8MWRG7MRW8
Identifier
urn:oid:2.49.0.1.840.0.4072cf7e18df95e72cdf6c954e23a78a4e00c62f.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.934
WMO heading
XOUS51
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
51

References

Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent
Sender
w-nws.webmaster@noaa.gov
Sent

Event codes

NameValue
SAMENWS
NationalWeatherServiceCFY

Parameters

NameValue
AWIPSidentifierCFWLWX
WMOidentifierWHUS41 KLWX 231242
NWSheadlineCOASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 6 PM EDT THIS EVENING... ...COASTAL FLOOD WARNING IN EFFECT FROM 9 PM THIS EVENING TO 4 AM EDT THURSDAY... ...COASTAL FLOOD WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
VTEC/O.EXT.KLWX.CF.Y.0044.000000T0000Z-260923T2200Z/
eventEndingTime2026-09-23T18:00:00-04:00
BLOCKCHANNELCMAS
expiredReferencesw-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
NameValue
SAME024037
UGCMDZ017