Small Craft Advisory

NWS San Francisco CA · US

Updated

This event was updated at 2026-09-17 03:35:00 UTC.

Details

Small Craft Advisory Remains In Effect Until 9 PM PDT This Evening

Event: Small Craft Advisory
Issued: 2026-09-16 21:36:00 UTC
Onset: 2026-09-16 21:36:00 UTC
Message expires: 2026-09-17 04:00:00 UTC
Expected end: 2026-09-17 04:00:00 UTC
Category: Meteorological
Urgency: Expected
Severity: Minor
Certainty: Likely
Response: Avoid

Description

What

Southwest winds 10 to 20 kt and choppy waters.

Where

San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge.

When

Until 9 PM PDT this evening.

Impacts

Conditions will be hazardous to small craft.

Instructions

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

Affected areas

San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge

Public contact

Issuer: NWS San Francisco CA
Website: http://www.weather.gov

Message record

Received: 2026-09-16 21:36:27 UTC
Issue to receipt: ~28s
CAP status: Actual
CAP message type: Update
Lifecycle: Updated
Source: NWWS-OI
Feed: NWWS
Recovered: No

CAP routing and identity

ULID: 01M2P2CMFR46EEZJWYNVS6JE4K
Identifier: urn:oid:2.49.0.1.840.0.e7f08ebf02a25ccfa96db2b99891074cb3426192.002.1
Sender: w-nws.webmaster@noaa.gov
Scope: Public
CAP source: 211803 v2.3.0
Handling codes: IPAWSv1.0
Issuing office: NWS San Francisco CA
AWIPS ID: CAPMTR
NWWS sequence: nwws_processor.5748
WMO heading: XOUS56
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 56

References

Identifier: urn:oid:2.49.0.1.840.0.7dfaeda86db73b1b78da645903954f5c2c543477.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-16 15:44:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.ed66d782bf6d999a13c158aee6ff23626dcd7df7.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-16 09:05:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.db031cc285cfccb490b556db7d1d57c588a38d20.003.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-16 03:42:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.a8702b5105566b7b7373adcc76613754dd4d5b42.004.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-15 21:17:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.eb7438e314416adf28ddfae8aabb3952ff95767d.004.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-15 15:48:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.e1e1756e24d38979ca465fde625342e6f7dc5f80.006.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-14 03:35:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.da9b336e8f10f798579360d31356d6c9cb68e2f8.010.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-13 21:32:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.510fb307eadd0f38b6197bb03f12ade7fa13ef88.010.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-13 15:44:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.d2ed1ec3a217a83d2f9f1b44fd6b0caead91b858.001.2
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-13 09:20:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.a697ca9bb109c0aac4b74dfba387820539a96d9a.008.2
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-13 03:42:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.92f1fbe70c2de8b1437a89d80c6f1a13d8f55e57.005.2
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-12 21:01:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.1b8c16aeb259dc142a72b0ec82d16657b71df1b1.006.2
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-12 15:47:00 UTC

Event codes

Name	Value
SAME	NWS
NationalWeatherService	SCY

Parameters

Name	Value
AWIPSidentifier	MWWMTR
WMOidentifier	WHUS76 KMTR 162136
NWSheadline	SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.CON.KMTR.SC.Y.0110.000000T0000Z-260917T0400Z/
eventEndingTime	2026-09-16T21:00:00-07:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ed66d782bf6d999a13c158aee6ff23626dcd7df7.003.1,2026-09-16T02:05:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.db031cc285cfccb490b556db7d1d57c588a38d20.003.1,2026-09-15T20:42:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a8702b5105566b7b7373adcc76613754dd4d5b42.004.1,2026-09-15T14:17:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.eb7438e314416adf28ddfae8aabb3952ff95767d.004.1,2026-09-15T08:48:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e1e1756e24d38979ca465fde625342e6f7dc5f80.006.1,2026-09-13T20:35:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.da9b336e8f10f798579360d31356d6c9cb68e2f8.010.1,2026-09-13T14:32:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.510fb307eadd0f38b6197bb03f12ade7fa13ef88.010.1,2026-09-13T08:44:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d2ed1ec3a217a83d2f9f1b44fd6b0caead91b858.001.2,2026-09-13T02:20:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a697ca9bb109c0aac4b74dfba387820539a96d9a.008.2,2026-09-12T20:42:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.92f1fbe70c2de8b1437a89d80c6f1a13d8f55e57.005.2,2026-09-12T14:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1b8c16aeb259dc142a72b0ec82d16657b71df1b1.006.2,2026-09-12T08:47:00-07:00

Locations

Location data

San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge

Name	Value
SAME	057530
UGC	PZZ530