Small Craft Advisory

NWS Green Bay WI · US

Updated

Details

Northeast winds 10 to 20 kt with gusts up to 25 kt. Waves 2 to 5 ft on the bay and 4 to 8 ft on Lake Michigan, highest south of Kewaunee tonight.

Lake Michigan nearshore waters from Washington Island to Sheboygan, and Central and Southern Bay of Green Bay.

Until 7 PM CDT Tuesday.

Conditions will be hazardous to small craft.

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

Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI
Rock Island Passage to Sturgeon Bay WI
Sturgeon Bay to Two Rivers WI
Two Rivers to Sheboygan WI

CAP routing and identity

ULID: 01M30WB0NK9X9NJKMDB0SZE51R
Identifier: urn:oid:2.49.0.1.840.0.867fbffec3e10a0d8c1fdc27c55f1062e22f1c88.001.1
Sender: w-nws.webmaster@noaa.gov
Scope: Public
CAP source: 211803 v2.3.0
Handling codes: IPAWSv1.0
Issuing office: NWS Green Bay WI
AWIPS ID: CAPGRB
NWWS sequence: nwws_processor.3556
WMO heading: XOUS53
WMO data type: CAP alert message XML (XO)
WMO geography: United States (US)
WMO bulletin number: 53

Identifier: urn:oid:2.49.0.1.840.0.5c5a16476da98f43545ff2aa95114b9c66fd9532.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-20 18:17:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.5c5a16476da98f43545ff2aa95114b9c66fd9532.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-20 18:17:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.904a49f551a5e7b7c06bdace10d5fdbb9d19d223.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-20 14:34:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.904a49f551a5e7b7c06bdace10d5fdbb9d19d223.001.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-20 14:34:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.14d51ac4bd74300f74d895c688a54b33729189b8.002.1
Sender: w-nws.webmaster@noaa.gov
Sent: 2026-09-20 07:56:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.14d51ac4bd74300f74d895c688a54b33729189b8.001.1
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Sent: 2026-09-20 07:56:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.c01b80b6bf0f0a675992a5829eb26adf39b3de05.002.1
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Sent: 2026-09-20 03:06:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.c01b80b6bf0f0a675992a5829eb26adf39b3de05.001.2
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Sent: 2026-09-20 03:06:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.6a50ea0cec2e5ff3c0d6f56255f389196b7e3669.002.1
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Sent: 2026-09-20 01:24:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.6a50ea0cec2e5ff3c0d6f56255f389196b7e3669.001.2
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Sent: 2026-09-20 01:24:00 UTC

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Sent: 2026-09-19 17:31:00 UTC

Identifier: urn:oid:2.49.0.1.840.0.6c38326e103ab450ce3ee1867ad307b725b4216a.001.2
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Sent: 2026-09-19 17:31:00 UTC

Name	Value
SAME	NWS
NationalWeatherService	SCY

Name	Value
AWIPSidentifier	MWWGRB
WMOidentifier	WHUS73 KGRB 210222
NWSheadline	SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT TUESDAY
BLOCKCHANNEL	EAS
BLOCKCHANNEL	NWEM
VTEC	/O.CON.KGRB.SC.Y.0083.000000T0000Z-260923T0000Z/
eventEndingTime	2026-09-22T19:00:00-05:00
BLOCKCHANNEL	CMAS
expiredReferences	w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.904a49f551a5e7b7c06bdace10d5fdbb9d19d223.002.1,2026-09-20T09:34:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.904a49f551a5e7b7c06bdace10d5fdbb9d19d223.001.1,2026-09-20T09:34:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.14d51ac4bd74300f74d895c688a54b33729189b8.002.1,2026-09-20T02:56:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.14d51ac4bd74300f74d895c688a54b33729189b8.001.1,2026-09-20T02:56:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c01b80b6bf0f0a675992a5829eb26adf39b3de05.002.1,2026-09-19T22:06:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c01b80b6bf0f0a675992a5829eb26adf39b3de05.001.2,2026-09-19T22:06:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6a50ea0cec2e5ff3c0d6f56255f389196b7e3669.002.1,2026-09-19T20:24:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6a50ea0cec2e5ff3c0d6f56255f389196b7e3669.001.2,2026-09-19T20:24:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6c38326e103ab450ce3ee1867ad307b725b4216a.002.1,2026-09-19T12:31:00-05:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6c38326e103ab450ce3ee1867ad307b725b4216a.001.2,2026-09-19T12:31:00-05:00

Locations

Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI
Rock Island Passage to Sturgeon Bay WI
Sturgeon Bay to Two Rivers WI
Two Rivers to Sheboygan WI