Small Craft Advisory

NWS Baltimore MD/Washington DC · US

New

Details

Small Craft Advisory Now In Effect Until 6 AM EDT Sunday

Event: Small Craft Advisory
Issued: 2026-09-26 06:35:00 UTC
Onset: 2026-09-26 06:35:00 UTC
Message expires: 2026-09-26 14:45:00 UTC
Expected end: 2026-09-27 10:00:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Minor
Certainty: Likely
Response: Avoid

Description

What

North winds 10 to 20 kt with gusts up to 30 kt.

Where

Tidal Potomac River from Key Bridge to Cobb Island MD, and Patapsco River including Baltimore Harbor.

When

Until 6 AM 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

Tidal Potomac from Key Bridge to Indian Head MD
Tidal Potomac from Indian Head to Cobb Island MD
Patapsco River including Baltimore Harbor

Public contact

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

Message record

Received: 2026-09-26 06:35:59 UTC
Issue to receipt: ~1m0s
CAP status: Actual
CAP message type: Alert
Lifecycle: New
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M3E6V0X19267AWSCTG2CV2YY
Identifier: urn:oid:2.49.0.1.840.0.7d15a578d6f0fafaaa11782b72ecaffd8ac695d0.004.1
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.1209
WMO heading: XOUS51
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 51

References

Identifier: urn:oid:2.49.0.1.840.0.5399ed8c5512519b57c946ebbb4d92191f20b615.004.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 21:55:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.5b7772ad43d085f3d260b46e96f617c95e239ad0.006.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 13:31:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.80c841d6f474a807c90cbfaa3451bd5dbdc94c2b.004.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 11:34:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.9bd510854a76444f65ccfeff8e65ffb67a351d2f.004.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-25 06:31:00 UTC

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

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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
Sender: w-nws.webmaster@noaa.gov
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

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Sent: 2026-09-23 04:12:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.8727d8cba24854fd5271ec75204151362a2b2f79.002.1
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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

Identifier: urn:oid:2.49.0.1.840.0.3f40a2d78b22c74089fb3a79f1407877db1ef8ac.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-22 12:56:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.6581abb7868471c2b96a6c70bf12d06ffcdeaa1c.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-22 06:17:00 UTC

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Sent: 2026-09-22 02:01:00 UTC

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Sent: 2026-09-22 02:01:00 UTC

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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 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 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

Identifier: urn:oid:2.49.0.1.840.0.bc45dcaf1264981bd95a35d1628fd8ec366bb2d4.003.1
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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 260635
NWSheadline	SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM EDT SUNDAY
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.EXT.KLWX.SC.Y.0148.000000T0000Z-260927T1000Z/
eventEndingTime	2026-09-27T06:00:00-04:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5399ed8c5512519b57c946ebbb4d92191f20b615.004.1,2026-09-25T17:55:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5b7772ad43d085f3d260b46e96f617c95e239ad0.006.1,2026-09-25T09:31:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.80c841d6f474a807c90cbfaa3451bd5dbdc94c2b.004.1,2026-09-25T07:34:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9bd510854a76444f65ccfeff8e65ffb67a351d2f.004.1,2026-09-25T02:31:00-04:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b01e29a63e402316a0c8db4b843c4fa257291a9e.002.1,2026-09-24T21:41:00-04:00 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:2.49.0.1.840.0.4c6608030f974cf339fafa8bd77cca3c4c978a34.006.1,2026-09-21T08:59:00-04:00 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.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.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

Locations

Location data

Tidal Potomac from Key Bridge to Indian Head MD
Tidal Potomac from Indian Head to Cobb Island MD
Patapsco River including Baltimore Harbor

Name	Value
SAME	073535
SAME	073536
SAME	073538
UGC	ANZ535
UGC	ANZ536
UGC	ANZ538