Warning Vector

Small Craft Advisory

NWS Baltimore MD/Washington DC ยท US

Updated
This event was updated at .

Details

Small Craft Advisory Now In Effect Until 1 PM EDT This Afternoon

Event
Small Craft Advisory
Issued
Onset
Message expires
Expected end
Category
Meteorological
Urgency
Expected
Severity
Minor
Certainty
Likely
Response
Avoid

Description

What

South winds 10 to 15 kt with gusts up to 20 kt.

Where

Chesapeake Bay from Smith Point VA to Pooles Island MD and adjoining estuaries, and Tidal Potomac from Cobb Island MD to Smith Point VA.

When

Until 1 PM EDT this afternoon.

Impacts

Conditions will be hazardous to small craft.

Instructions

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.

Affected areas

  • Chesapeake Bay from Pooles Island to Sandy Point MD
  • Chesapeake Bay from Sandy Point to North Beach MD
  • Chesapeake Bay from North Beach to Drum Point MD
  • Chesapeake Bay from Drum Point MD to Smith Point VA
  • Tidal Potomac from Cobb Island MD to Smith Point VA
  • Patapsco River including Baltimore Harbor
  • Chester River to Queenstown MD
  • Eastern Bay
  • Choptank River to Cambridge MD and the Little Choptank River
  • Patuxent River to Broomes Island MD
  • Tangier Sound and the inland waters surrounding Bloodsworth Island

Public contact

Issuer
NWS Baltimore MD/Washington DC

Message record

Received
Issue to receipt
~32s
CAP status
Actual
CAP message type
Update
Lifecycle
Updated
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M2YFX13N15FKCZMV8D2VNQZT
Identifier
urn:oid:2.49.0.1.840.0.8f76daea775fd8940ec2c03eb95479528f8d2c88.002.1
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.6156
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
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
NationalWeatherServiceSCY

Parameters

NameValue
AWIPSidentifierMWWLWX
WMOidentifierWHUS71 KLWX 200406
NWSheadlineSMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
VTEC/O.EXT.KLWX.SC.Y.0146.000000T0000Z-260920T1700Z/
eventEndingTime2026-09-20T13:00:00-04:00
BLOCKCHANNELCMAS
expiredReferencesw-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.237a49eaf38f819eb2094ee2d8588ddf29375d78.001.1,2026-09-19T13:49:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.491227ea92ad96019ef7713feba988ed4201dc76.001.2,2026-09-19T09:55:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f81def0886cebe231a817abb9b82f8bc9a05b40f.001.2,2026-09-19T07:29:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9996fa6fc0c73adb913d69268a7efa4410df943b.002.2,2026-09-19T00:51:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0dba24ba7909695969428a0fdcbe88f250df70b7.001.2,2026-09-18T21:14:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d73fc2fb96e515db0e403596e7213e69da0fbe35.001.2,2026-09-18T12:35:00-04:00
Locations

Location data

  • Chesapeake Bay from Pooles Island to Sandy Point MD
  • Chesapeake Bay from Sandy Point to North Beach MD
  • Chesapeake Bay from North Beach to Drum Point MD
  • Chesapeake Bay from Drum Point MD to Smith Point VA
  • Tidal Potomac from Cobb Island MD to Smith Point VA
  • Patapsco River including Baltimore Harbor
  • Chester River to Queenstown MD
  • Eastern Bay
  • Choptank River to Cambridge MD and the Little Choptank River
  • Patuxent River to Broomes Island MD
  • Tangier Sound and the inland waters surrounding Bloodsworth Island
NameValue
SAME073531
SAME073532
SAME073533
SAME073534
SAME073537
SAME073538
SAME073539
SAME073540
SAME073541
SAME073542
SAME073543
UGCANZ531
UGCANZ532
UGCANZ533
UGCANZ534
UGCANZ537
UGCANZ538
UGCANZ539
UGCANZ540
UGCANZ541
UGCANZ542
UGCANZ543