Small Craft Advisory
NWS Baltimore MD/Washington DC ยท US
New
Details
Small Craft Advisory In Effect From 8 PM This Evening To 6 AM EDT Wednesday
- Event
- Small Craft Advisory
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Minor
- Certainty
- Likely
- Response
- Avoid
Description
What
Northeast winds 15 to 25 kt with gusts up to 30 kt expected.
Where
Chesapeake Bay north of Pooles Island MD, Tidal Potomac from Cobb Island MD to Smith Point VA, Patapsco River including Baltimore Harbor and Patuxent River to Broomes Island MD.
When
From 8 PM this evening to 6 AM EDT Wednesday.
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
- Tidal Potomac from Cobb Island MD to Smith Point VA
- Patapsco River including Baltimore Harbor
- Patuxent River to Broomes Island MD
Public contact
- Issuer
- NWS Baltimore MD/Washington DC
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m24s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M312JNRZK6SRGFXPTSQHHXZS
- Identifier
- urn:oid:2.49.0.1.840.0.bc45dcaf1264981bd95a35d1628fd8ec366bb2d4.003.1
- 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.6084
- WMO heading
- XOUS51
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 51
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | SCY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | MWWLWX |
| WMOidentifier | WHUS71 KLWX 210410 |
| NWSheadline | SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 AM EDT WEDNESDAY |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.NEW.KLWX.SC.Y.0148.260922T0000Z-260923T1000Z/ |
| eventEndingTime | 2026-09-23T06:00:00-04:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Chesapeake Bay north of Pooles Island MD
- Tidal Potomac from Cobb Island MD to Smith Point VA
- Patapsco River including Baltimore Harbor
- Patuxent River to Broomes Island MD
| Name | Value |
|---|---|
| SAME | 073530 |
| SAME | 073537 |
| SAME | 073538 |
| SAME | 073542 |
| UGC | ANZ530 |
| UGC | ANZ537 |
| UGC | ANZ538 |
| UGC | ANZ542 |