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 From 1 AM To 11 PM EDT Sunday

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

Description

What

East winds 10 to 20 kt with gusts up to 30 kt expected.

Where

Tidal Potomac River from Key Bridge to Cobb Island MD, and Chesapeake Bay and adjoining estuaries north of Drum Point MD.

When

From 1 AM to 11 PM EDT Sunday.

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 north of Pooles Island MD
  • 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
  • Tidal Potomac from Key Bridge to Indian Head MD
  • Tidal Potomac from Indian Head to Cobb Island MD
  • 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

Public contact

Issuer
NWS Baltimore MD/Washington DC

Message record

Received
Issue to receipt
~33s
CAP status
Actual
CAP message type
Update
Lifecycle
Updated
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M4J5D1V681CPF5WKWDPQXZXA
Identifier
urn:oid:2.49.0.1.840.0.9283155187c1c10eab45da3e300777b4de22f454.002.1
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.8598
WMO heading
XOUS51
WMO data type
CAP alert message XML (XO)
WMO geography
United States (US)
WMO bulletin number
51

Event codes

NameValue
SAMENWS
NationalWeatherServiceSCY

Parameters

NameValue
AWIPSidentifierMWWLWX
WMOidentifierWHUS71 KLWX 100543
NWSheadlineSMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 AM TO 11 PM EDT SUNDAY
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
VTEC/O.EXT.KLWX.SC.Y.0157.261011T0500Z-261012T0300Z/
eventEndingTime2026-10-11T23:00:00-04:00
BLOCKCHANNELCMAS
expiredReferences[email protected],urn:oid:2.49.0.1.840.0.05dcedcb6c5b91714667a76c8fb6b2da7c230b55.003.1,2026-10-09T14:34:00-04:00 [email protected],urn:oid:2.49.0.1.840.0.05dcedcb6c5b91714667a76c8fb6b2da7c230b55.002.1,2026-10-09T14:34:00-04:00
Locations

Location data

  • Chesapeake Bay north of Pooles Island MD
  • 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
  • Tidal Potomac from Key Bridge to Indian Head MD
  • Tidal Potomac from Indian Head to Cobb Island MD
  • 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
NameValue
SAME073530
SAME073531
SAME073532
SAME073533
SAME073535
SAME073536
SAME073538
SAME073539
SAME073540
SAME073541
SAME073542
UGCANZ530
UGCANZ531
UGCANZ532
UGCANZ533
UGCANZ535
UGCANZ536
UGCANZ538
UGCANZ539
UGCANZ540
UGCANZ541
UGCANZ542