Alert archive / Wisconsin / Small Craft Advisories in 2026

Small Craft Advisory 68, NWS Green Bay, WI

July 27, 2026

NWS Green Bay, WI issued this small craft advisory at Jul 27, 2026, 2:53 AM CDT. It took effect at Jul 27, 2026, 3:51 PM CDT. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued: Jul 27, 2026, 2:53 AM CDT (07:53 UTC)
In effect from: Jul 27, 2026, 3:51 PM CDT
Expired: Jul 28, 2026, 3:00 PM CDT
In force: 23 hr
Issued by: NWS Green Bay, WI

What forecasters said that day

The local office's own words before this small craft advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Green Bay, WI wrote its last area forecast discussion before this small craft advisory went out at Jul 27, 2:47 AM CDT, 6 minutes earlier.

Area forecast discussion, Jul 27, 2:47 AM CDT, 6 minutes before

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Hazardous weather outlook, Jul 27, 2:49 AM CDT, 4 minutes before

Hazardous Weather Outlook
National Weather Service Green Bay WI
249 AM CDT Mon Jul 27 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-280800-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
249 AM CDT Mon Jul 27 2026

This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.

.DAY ONE...Today and Tonight

Strong to severe thunderstorms and locally heavy rainfall are
possible at times through this afternoon. Damaging winds, large
hail, and urban and small stream flooding will be the primary
hazards.

Heat index values may reach the middle to upper 90s over parts of
central Wisconsin this afternoon.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

The chance of thunderstorms will return late in the work week.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report any wind damage or hail to the
National Weather Service in Green Bay.

LMZ521-522-541>543-280800-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
249 AM CDT Mon Jul 27 2026

This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.

.DAY ONE...Today and Tonight

Strong to severe thunderstorms are possible at times through this
afternoon. Any storms could pose a hazard to mariners.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Conditions hazardous to small craft are expected south of Two
Rivers tonight through Tuesday afternoon.

The chance of thunderstorms will return late in the work week.

MPC

In the hours before

Special weather statement, Jul 26, 11:15 PM CDT, 3 hours 38 minutes before

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Special weather statement, Jul 26, 11:39 PM CDT, 3 hours 14 minutes before

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Special weather statement, Jul 27, 12:08 AM CDT, 2 hours 45 minutes before

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Local storm report, Jul 27, 12:45 AM CDT, 2 hours 8 minutes before

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Special weather statement, Jul 27, 12:47 AM CDT, 2 hours 6 minutes before

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The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 26, 11:15 PM CDT	Special Weather Statement	GRB	Marathon	30 min
Jul 26, 11:39 PM CDT	Special Weather Statement	GRB	Shawano, Waupaca	36 min
Jul 27, 12:08 AM CDT	Special Weather Statement	GRB	Waupaca	37 min
Jul 27, 12:47 AM CDT	Special Weather Statement	GRB	Winnebago	58 min
Jul 27, 3:48 AM CDT	Special Weather Statement	GRB	Brown	27 min
Jul 27, 4:27 AM CDT	Special Weather Statement	GRB	Brown	33 min
Jul 27, 8:20 AM CDT	Severe Thunderstorm Warning	GRB	Forest, Oneida, Vilas	55 min
Jul 27, 9:05 AM CDT	Heat Advisory	GRB	Portage, Waupaca, Waushara, Winnebago, Wood	10 hr
Jul 27, 9:06 AM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Florence, Forest, Marinette, Oneida	54 min
Jul 27, 9:13 AM CDT	Special Weather Statement	GRB	Oneida, Vilas	47 min
Jul 27, 9:14 AM CDT	Special Marine Warning	GRB		31 min
Jul 27, 9:15 AM CDT	Special Weather Statement	GRB	Kewaunee	45 min
Jul 27, 9:21 AM CDT	Severe Thunderstorm Warning	GRB	Door	39 min
Jul 27, 9:31 AM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Langlade, Oconto	44 min
Jul 27, 9:34 AM CDT	Special Marine Warning	GRB		56 min
Jul 27, 9:39 AM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Door, Kewaunee	38 min
Jul 27, 9:44 AM CDT	Tornado Warning	GRB	Forest, Langlade, Oconto	31 min
Jul 27, 9:51 AM CDT	Special Marine Warning	GRB		54 min
Jul 27, 9:57 AM CDT	Severe Thunderstorm Warning	GRB	Forest, Langlade, Marinette, Menominee, Oconto, Shawano	63 min
Jul 27, 10:23 AM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Marinette	37 min
Jul 27, 10:31 AM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Brown, Menominee, Outagamie, Shawano, Waupaca	44 min
Jul 27, 10:42 AM CDT	Special Marine Warning	GRB		63 min
Jul 27, 10:45 AM CDT	Special Marine Warning	GRB		83 min
Jul 27, 10:45 AM CDT	Severe Thunderstorm Warning Destructive damage threat	GRB	Brown, Outagamie, Shawano, Waupaca	45 min
Jul 27, 10:58 AM CDT	Severe Thunderstorm Warning	GRB	Marinette, Oconto	17 min
Jul 27, 11:13 AM CDT	Severe Thunderstorm Warning Destructive damage threat	GRB	Brown, Calumet, Outagamie, Winnebago	47 min
Jul 27, 11:21 AM CDT	Severe Thunderstorm Warning	GRB	Brown, Door, Kewaunee	39 min
Jul 27, 11:29 AM CDT	Severe Thunderstorm Warning Considerable damage threat	GRB	Brown, Outagamie	31 min
Jul 27, 11:38 AM CDT	Areal Flood Advisory	GRB	Brown, Calumet, Outagamie	2 hr
Jul 27, 11:39 AM CDT	Special Marine Warning	GRB		96 min
Jul 27, 11:58 AM CDT	Severe Thunderstorm Warning Destructive damage threat	GRB	Brown, Calumet, Manitowoc, Outagamie, Winnebago	62 min
Jul 27, 11:59 AM CDT	Tornado Warning	GRB	Calumet, Manitowoc, Outagamie, Winnebago	46 min
Jul 27, 12:17 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	GRB	Calumet, Winnebago	24 min
Jul 27, 12:43 PM CDT	Severe Thunderstorm Warning	GRB	Winnebago	32 min
Jul 27, 1:08 PM CDT	Areal Flood Advisory	GRB	Calumet, Winnebago	76 min

Nearby

Small Craft Advisories in Wisconsin, 2026 Every small craft advisory in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.