Warning Vector

Small Craft Advisory

NWS Baltimore MD/Washington DC ยท US

New

Details

Small Craft Advisory Remains In Effect Until Midnight EST Tonight

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

Description

What

Northwest winds 15 to 20 kt with gusts up to 30 kt and waves 2 to 4 ft.

Where

Tidal Potomac from Cobb Island MD to Smith Point VA.

When

Until midnight EST tonight.

Impacts

Conditions will be hazardous to small craft.

Instructions

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

Affected areas

  • Tidal Potomac from Cobb Island MD to Smith Point VA

Public contact

Issuer
NWS Baltimore MD/Washington DC

Message record

Received
Issue to receipt
~46s
CAP status
Actual
CAP message type
Alert
Lifecycle
New
Source
NWWS-OI
Feed
NWWS
Recovered
No
CAP routing and identity
ULID
01M700GDG1CGW8ZG42NYQXVDK8
Identifier
urn:oid:2.49.0.1.840.0.d9023e952058a8684f97decbd366cb325cb8001f.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.8820
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 091118
NWSheadlineSMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT
BLOCKCHANNELEAS
BLOCKCHANNELNWEM
VTEC/O.CON.KLWX.SC.Y.0171.000000T0000Z-261110T0500Z/
eventEndingTime2026-11-10T00:00:00-05:00
BLOCKCHANNELCMAS
expiredReferences[email protected],urn:oid:2.49.0.1.840.0.4ab2ff1ad93f51d687602eca22b4d441f2a0ca6b.002.1,2026-11-08T21:46:00-05:00 [email protected],urn:oid:2.49.0.1.840.0.ef44a61029f9c9783b47b324eb74c9392d037c71.002.2,2026-11-08T12:11:00-05:00
Locations

Location data

  • Tidal Potomac from Cobb Island MD to Smith Point VA
NameValue
SAME073537
UGCANZ537