Alert archive / Wisconsin / Small Craft Advisories in 2026

Small Craft Advisory 34, NWS Green Bay, WI

March 31, 2026

NWS Green Bay, WI issued this small craft advisory at Mar 31, 2026, 3:31 AM CDT. It took effect at Apr 1, 2026, 4:00 AM CDT. It was in force for 54 hr.

The area

The counties it named.

The facts

Issued: Mar 31, 2026, 3:31 AM CDT (08:31 UTC)
In effect from: Apr 1, 2026, 4:00 AM CDT
Expired: Apr 3, 2026, 10:00 AM CDT
In force: 54 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 Mar 31, 1:18 AM CDT, 2 hours 13 minutes earlier.

Area forecast discussion, Mar 31, 1:18 AM CDT, 2 hours 13 minutes before

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Hazardous weather outlook, Mar 31, 3:16 AM CDT, 15 minutes before

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In the hours before

Local storm report, Mar 31, 12:00 AM CDT, 3 hours 31 minutes before

Preliminary Local Storm Report
National Weather Service Green Bay WI
1200 AM CDT Tue Mar 31 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1156 PM     Hail             3 S Kunesh              44.56N 88.19W
03/30/2026  M0.50 Inch       Outagamie          WI   Amateur Radio

&&

Local storm report, Mar 31, 12:01 AM CDT, 3 hours 30 minutes before

Preliminary Local Storm Report
National Weather Service Green Bay WI
1201 AM CDT Tue Mar 31 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1135 PM     Hail             1 E Navarino            44.61N 88.47W
03/30/2026  M0.70 Inch       Shawano            WI   Public

&&

Local storm report, Mar 31, 12:08 AM CDT, 3 hours 23 minutes before

Preliminary Local Storm Report
National Weather Service Green Bay WI
1208 AM CDT Tue Mar 31 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1205 AM     Hail             2 WNW Ashwaubenon       44.50N 88.11W
03/31/2026  M1.25 Inch       Brown              WI   NWS Employee

&&

Local storm report, Mar 31, 12:13 AM CDT, 3 hours 18 minutes before

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Local storm report, Mar 31, 12:14 AM CDT, 3 hours 17 minutes before

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      <p id="message2">
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Mar 31, 12:20 AM CDT, 3 hours 11 minutes before

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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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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
Mar 30, 10:20 PM CDT	Special Weather Statement	GRB	Marathon	40 min
Mar 30, 10:36 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Shawano	39 min
Mar 30, 10:51 PM CDT	Special Weather Statement	GRB	Calumet, Winnebago	24 min
Mar 30, 10:59 PM CDT	Special Weather Statement	GRB	Shawano	46 min
Mar 30, 11:05 PM CDT	Severe Thunderstorm Warning	GRB	Calumet, Manitowoc	25 min
Mar 30, 11:10 PM CDT	Special Marine Warning	GRB		65 min
Mar 30, 11:15 PM CDT	Severe Thunderstorm Warning	GRB	Marathon, Shawano, Waupaca	45 min
Mar 30, 11:26 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Calumet, Kewaunee, Manitowoc	49 min
Mar 30, 11:28 PM CDT	Severe Thunderstorm Warning	GRB	Door	34 min
Mar 30, 11:30 PM CDT	Special Marine Warning	GRB		53 min
Mar 30, 11:41 PM CDT	Severe Thunderstorm Warning	GRB	Brown, Outagamie	49 min
Mar 31, 12:08 AM CDT	Special Marine Warning	GRB		67 min
Mar 31, 12:12 AM CDT	Severe Thunderstorm Warning	GRB	Kewaunee	33 min
Mar 31, 7:07 AM CDT	Special Weather Statement	GRB	Wood	53 min
Mar 31, 7:46 AM CDT	Special Weather Statement	GRB	Waushara	29 min
Mar 31, 8:10 AM CDT	Special Weather Statement	GRB	Waupaca, Waushara, Winnebago	50 min
Mar 31, 8:26 AM CDT	Special Weather Statement	GRB	Winnebago	34 min
Mar 31, 8:50 AM CDT	Special Weather Statement	GRB	Calumet	40 min
Mar 31, 9:15 AM CDT	Special Weather Statement	GRB	Manitowoc	45 min
Mar 31, 10:57 AM CDT	Special Weather Statement	GRB	Brown, Calumet, Manitowoc	63 min
Mar 31, 11:00 AM CDT	Special Weather Statement	GRB	Kewaunee	30 min
Mar 31, 11:24 AM CDT	Special Weather Statement	GRB	Winnebago	36 min
Mar 31, 11:54 AM CDT	Special Weather Statement	GRB	Calumet, Manitowoc	66 min
Mar 31, 2:10 PM CDT	Winter Storm Watch	GRB	Florence, Forest, Langlade, Lincoln, Marathon, Marinette and 8 more	13 hr

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.