Small Craft Advisory

NWS Baltimore MD/Washington DC · US

Updated

Details

Small Craft Advisory Now In Effect Until 6 PM EDT Saturday

Event: Small Craft Advisory
Issued: 2026-09-25 06:31:00 UTC
Onset: 2026-09-25 06:31:00 UTC
Message expires: 2026-09-25 14:45:00 UTC
Expected end: 2026-09-26 22:00:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Minor
Certainty: Likely
Response: Avoid

Description

What

North winds 15 to 25 kt with gusts up to 30 kt.

Where

Tidal Potomac River from Key Bridge to Cobb Island MD, Chesapeake Bay north of Sandy Point MD, Patapsco River including Baltimore Harbor, and Chester River to Queenstown MD.

When

Until 6 PM EDT Saturday.

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
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

Public contact

Issuer: NWS Baltimore MD/Washington DC
Website: http://www.weather.gov

Message record

Received: 2026-09-25 06:32:01 UTC
Issue to receipt: ~1m2s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M3BM71K5KNQHK0Y09SJ32E7B
Identifier: urn:oid:2.49.0.1.840.0.9bd510854a76444f65ccfeff8e65ffb67a351d2f.004.1
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.1075
WMO heading: XOUS51
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 51

References

Identifier: urn:oid:2.49.0.1.840.0.b01e29a63e402316a0c8db4b843c4fa257291a9e.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 01:41:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.8dde6acac0c81fa6ddcd0dc160680fe90e4501a5.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-24 18:20:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.d59c8896382de8cff1eb2822d1576c9111170de8.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-24 13:40:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.784e30a7cd40b3f8d23166502d0ff086adac2af6.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-24 10:20:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.6a340820ec4d1d9c40d4c0b18e84099383a22489.002.1
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Sent: 2026-09-24 07:11:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.273a2170d8f99cc137248814dca2ab080a91d435.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 22:22:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.3b8ec9ca612c74c54922646f17a98598b36fd71d.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 19:28:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.c0a4022605414916843814adc26141228700f6e4.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 13:01:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.16430078365a8550c2adc48652e252f40125b701.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 04:12:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.8727d8cba24854fd5271ec75204151362a2b2f79.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-23 01:59:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.01112e484f506e261ef3efbe9c0e709fe97ff37a.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-22 20:25:00 UTC

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Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-22 12:56:00 UTC

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Sent: 2026-09-22 06:17:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.a97a98d0826ed2072af5d0df0bac6b9fc3e5c943.004.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-22 02:01:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.a97a98d0826ed2072af5d0df0bac6b9fc3e5c943.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-22 02:01:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.061e161d6f7bf5e341473994a2df22ab720733e0.004.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-21 20:00:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.061e161d6f7bf5e341473994a2df22ab720733e0.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-21 20:00:00 UTC

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Sent: 2026-09-21 18:06:00 UTC

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Sent: 2026-09-21 15:39:00 UTC

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Sent: 2026-09-21 12:59:00 UTC

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Sent: 2026-09-21 12:59:00 UTC

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Sent: 2026-09-21 12:59:00 UTC

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Sent: 2026-09-21 11:14:00 UTC

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Sent: 2026-09-21 11:14:00 UTC

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Sent: 2026-09-21 11:14:00 UTC

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Sent: 2026-09-21 04:10:00 UTC

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Sent: 2026-09-21 04:10:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.bc45dcaf1264981bd95a35d1628fd8ec366bb2d4.001.2
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Sent: 2026-09-21 04:10:00 UTC

Event codes

Name	Value
SAME	NWS
NationalWeatherService	SCY

Parameters

Name	Value
AWIPSidentifier	MWWLWX
WMOidentifier	WHUS71 KLWX 250631
NWSheadline	SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM EDT SATURDAY
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.EXT.KLWX.SC.Y.0148.000000T0000Z-260926T2200Z/
eventEndingTime	2026-09-26T18:00:00-04:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8dde6acac0c81fa6ddcd0dc160680fe90e4501a5.002.1,2026-09-24T14:20:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d59c8896382de8cff1eb2822d1576c9111170de8.002.1,2026-09-24T09:40:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.784e30a7cd40b3f8d23166502d0ff086adac2af6.002.1,2026-09-24T06:20:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6a340820ec4d1d9c40d4c0b18e84099383a22489.002.1,2026-09-24T03:11:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.273a2170d8f99cc137248814dca2ab080a91d435.002.1,2026-09-23T18:22:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3b8ec9ca612c74c54922646f17a98598b36fd71d.002.1,2026-09-23T15:28:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c0a4022605414916843814adc26141228700f6e4.002.1,2026-09-23T09:01:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.16430078365a8550c2adc48652e252f40125b701.002.1,2026-09-23T00:12:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8727d8cba24854fd5271ec75204151362a2b2f79.002.1,2026-09-22T21:59:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.01112e484f506e261ef3efbe9c0e709fe97ff37a.002.1,2026-09-22T16:25:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3f40a2d78b22c74089fb3a79f1407877db1ef8ac.002.1,2026-09-22T08:56:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6581abb7868471c2b96a6c70bf12d06ffcdeaa1c.003.1,2026-09-22T02:17:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a97a98d0826ed2072af5d0df0bac6b9fc3e5c943.004.1,2026-09-21T22:01:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a97a98d0826ed2072af5d0df0bac6b9fc3e5c943.003.1,2026-09-21T22:01:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.061e161d6f7bf5e341473994a2df22ab720733e0.004.1,2026-09-21T16:00:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.061e161d6f7bf5e341473994a2df22ab720733e0.003.1,2026-09-21T16:00:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c5758caa261710e905470f92e057b3568797f933.004.1,2026-09-21T14:06:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c5758caa261710e905470f92e057b3568797f933.003.1,2026-09-21T14:06:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7e7c4dd67c0ac7a1586c4640ed715cc9f3a8ead1.006.1,2026-09-21T11:39:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7e7c4dd67c0ac7a1586c4640ed715cc9f3a8ead1.005.1,2026-09-21T11:39:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7e7c4dd67c0ac7a1586c4640ed715cc9f3a8ead1.003.2,2026-09-21T11:39:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.4c6608030f974cf339fafa8bd77cca3c4c978a34.006.1,2026-09-21T08:59:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.4c6608030f974cf339fafa8bd77cca3c4c978a34.005.1,2026-09-21T08:59:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.4c6608030f974cf339fafa8bd77cca3c4c978a34.003.2,2026-09-21T08:59:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ad22db9d954b87838116ff214b36814c856de98f.003.1,2026-09-21T07:14:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ad22db9d954b87838116ff214b36814c856de98f.002.1,2026-09-21T07:14:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ad22db9d954b87838116ff214b36814c856de98f.001.2,2026-09-21T07:14:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.bc45dcaf1264981bd95a35d1628fd8ec366bb2d4.004.1,2026-09-21T00:10:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.bc45dcaf1264981bd95a35d1628fd8ec366bb2d4.003.1,2026-09-21T00:10:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.bc45dcaf1264981bd95a35d1628fd8ec366bb2d4.001.2,2026-09-21T00:10:00-04:00

Locations

Location data

Chesapeake Bay north of Pooles Island MD
Chesapeake Bay from Pooles Island to Sandy 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

Name	Value
SAME	073530
SAME	073531
SAME	073535
SAME	073536
SAME	073538
SAME	073539
UGC	ANZ530
UGC	ANZ531
UGC	ANZ535
UGC	ANZ536
UGC	ANZ538
UGC	ANZ539