Alert archive / Wisconsin / Small Craft Advisories in 2021

Small Craft Advisory 50, NWS Green Bay, WI

June 22, 2021

NWS Green Bay, WI issued this small craft advisory at Jun 22, 2021, 8:44 PM CDT. It took effect at Jun 23, 2021, 10:00 AM CDT. It was in force for 39 hr.

The area

The counties it named.

The facts

Issued: Jun 22, 2021, 8:44 PM CDT (01:44 UTC)
In effect from: Jun 23, 2021, 10:00 AM CDT
Expired: Jun 25, 2021, 1:00 AM CDT
In force: 39 hr
Issued by: NWS Green Bay, WI

The text

As transmitted.

361 
WHUS73 KGRB 230144
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
844 PM CDT Tue Jun 22 2021

LMZ541>543-230945-
/O.NEW.KGRB.SC.Y.0050.210623T1500Z-210625T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
844 PM CDT Tue Jun 22 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 1 AM
CDT FRIDAY...

* WHAT...Increasing south winds 15 to 25 knots and waves building
  to 3 to 5 feet late Wednesday morning. Waves will build to 5 to
  8 feet by Wednesday night.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...From 10 AM Wednesday to 1 AM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...There is a slight chance of thunderstorms
  Wednesday morning and a chance of thunderstorms on Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Hykin

8 follow-up statements

993 
WHUS73 KGRB 230936
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
436 AM CDT Wed Jun 23 2021

LMZ541>543-231800-
/O.CON.KGRB.SC.Y.0050.210623T1500Z-210625T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
436 AM CDT Wed Jun 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 1 AM CDT FRIDAY...

* WHAT...South winds increasing to 15 to 25 knots today, and 
  waves building to 5 to 8 feet by tonight.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...From 10 AM this morning to 1 AM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...Thunderstorms are likely on Thursday and
  Thursday night. Strong gusty winds, hail and heavy rainfall may
  accompany storms.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
Kieckbusch

682 
WHUS73 KGRB 231507
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1007 AM CDT Wed Jun 23 2021

LMZ541>543-232315-
/O.CON.KGRB.SC.Y.0050.000000T0000Z-210625T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1007 AM CDT Wed Jun 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT FRIDAY...

* WHAT...South winds increasing to 15 to 25 knots, and waves 
  building to 5 to 8 feet by tonight.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Thru 1 AM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

167 
WHUS73 KGRB 232045
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
345 PM CDT Wed Jun 23 2021

LMZ541>543-240445-
/O.CON.KGRB.SC.Y.0050.000000T0000Z-210625T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
345 PM CDT Wed Jun 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT FRIDAY...

* WHAT...South winds 15 to 25 knots and waves building to 5 to 8
  feet this evening and overnight.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until 1 AM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...Thunderstorms chances increase early
  Thursday morning and return Thursday afternoon and night. 
  Strong gusty winds, hail and heavy rainfall may accompany 
  storms.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Hykin

878 
WHUS73 KGRB 240240
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
940 PM CDT Wed Jun 23 2021

LMZ541>543-241045-
/O.CON.KGRB.SC.Y.0050.000000T0000Z-210625T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
940 PM CDT Wed Jun 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT FRIDAY...

* WHAT...South winds 15 to 25 knots and waves of 5 to 8 feet.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until 1 AM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...Thunderstorm chances increase early
  Thursday morning and return Thursday afternoon and night. Strong
  gusty winds, hail and heavy rainfall may accompany storms.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Hykin

798 
WHUS73 KGRB 240839
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
339 AM CDT Thu Jun 24 2021

LMZ541>543-241700-
/O.CON.KGRB.SC.Y.0050.000000T0000Z-210625T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
339 AM CDT Thu Jun 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT FRIDAY...

* WHAT...South winds 15 to 25 knots and waves of 5 to 8 feet.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until 1 AM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...Thunderstorms are expected to move through
  the region this morning, and again from late afternoon into
  tonight. Gusty winds, hail and heavy rainfall may accompany the
  stronger storms.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
Kieckbusch

753 
WHUS73 KGRB 241512
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
1012 AM CDT Thu Jun 24 2021

LMZ541>543-242315-
/O.CON.KGRB.SC.Y.0050.000000T0000Z-210625T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1012 AM CDT Thu Jun 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT FRIDAY...

* WHAT...South winds 15 to 25 knots and waves of 5 to 8 feet.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until 1 AM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...Another round of thunderstorms is possible 
  from late afternoon into tonight. Gusty winds, hail, and heavy 
  rainfall may accompany the stronger storms.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

mpc

160 
WHUS73 KGRB 242027
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
327 PM CDT Thu Jun 24 2021

LMZ541>543-250430-
/O.CON.KGRB.SC.Y.0050.000000T0000Z-210625T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
327 PM CDT Thu Jun 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT FRIDAY...

* WHAT...South winds 15 to 25 knots decreasing to 10 to 15 knots
  this evening. Waves of 4 to 7 feet subsiding to 2 to 4 feet 
  after midnight.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until 1 AM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...Thunderstorms are expected through late
  tonight. A few storms may produce gusty winds, hail, and heavy
  rainfall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Hykin

487 
WHUS73 KGRB 250247
MWWGRB

URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
947 PM CDT Thu Jun 24 2021

LMZ541>543-250600-
/O.CON.KGRB.SC.Y.0050.000000T0000Z-210625T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
947 PM CDT Thu Jun 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT FRIDAY...

* WHAT...South winds 15 to 25 knots and waves 3 to 6 feet.

* WHERE...Lake Michigan nearshore waters from Washington Island 
  to Sheboygan.

* WHEN...Until 1 AM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Hykin

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 8:42 PM CDT	Beach Hazards Statement	GRB	Door, Kewaunee, Manitowoc	52 hr

Nearby

Small Craft Advisories in Wisconsin, 2021 Every small craft advisory in 2021

Sources

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