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Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
246 PM CDT Wed Apr 14 2021

LMZ740>743-150415-
/O.NEW.KLOT.SC.Y.0036.210415T0900Z-210415T1800Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
246 PM CDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 1 PM CDT
THURSDAY...

* WHAT...Northwest winds to 25 kt. Significant waves to 4 ft.

* WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor
  to Northerly Island IL, Northerly Island to Calumet Harbor IL
  and Calumet Harbor IL to Gary IN.

* WHEN...From 4 AM to 1 PM CDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
246 PM CDT Wed Apr 14 2021

LMZ744-745-150415-
/O.NEW.KLOT.SC.Y.0036.210415T1200Z-210416T0000Z/
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
246 PM CDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 7 PM CDT
THURSDAY...

* WHAT...Northwest winds to 25 kt. Significant waves to 6 ft.

* WHERE...Gary to Burns Harbor IN and Burns Harbor to Michigan
  City IN.

* WHEN...From 7 AM to 7 PM CDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
335 PM EDT Wed Apr 14 2021

LMZ043-046-150345-
/O.CON.KIWX.SC.Y.0026.210415T1200Z-210416T0000Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
335 PM EDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT
THURSDAY...

* WHAT...Northwest wind 10 to 20 knots with gusts to 25 knots. Waves
  3 to 6 ft expected.

* WHERE...Michigan City IN to St Joseph MI.

* WHEN...From 8 AM to 8 PM EDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
334 PM EDT Wed Apr 14 2021

LMZ844>849-150345-
/O.CON.KGRR.SC.Y.0034.210415T0600Z-210416T0600Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
334 PM EDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM THURSDAY TO
2 AM EDT FRIDAY...

* WHAT...Northwest winds increasing to 20 to 30 knots tonight
  and continuing into Thursday. Waves 3 to 6 feet. Waves will
  peak in the midday and afternoon hours of Thursday.

* WHERE...St Joseph to Manistee.

* WHEN...From 2 AM Thursday to 2 AM EDT 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
222 PM CDT Wed Apr 14 2021

LMZ643>646-150330-
/O.CON.KMKX.SC.Y.0038.210415T0900Z-210415T1800Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
222 PM CDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 1 PM CDT
THURSDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt
  expected.

* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.

* WHEN...From 4 AM to 1 PM CDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Frost Advisory


URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
236 PM CDT Wed Apr 14 2021

ILZ027>031-036>038-040>051-053-150400-
/O.NEW.KILX.FR.Y.0002.210415T0600Z-210415T1300Z/
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-
Menard-Scott-Morgan-Sangamon-Macon-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Bloomington, Normal, Rushville, Havana, Lincoln,
Clinton, Monticello, Champaign, Urbana, Danville, Beardstown,
Petersburg, Winchester, Jacksonville, Springfield, and Decatur
236 PM CDT Wed Apr 14 2021

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT THURSDAY...

* WHAT...Temperatures as low as 34 will result in frost
  formation.

* WHERE...Portions of central, east central and west central
  Illinois.

* WHEN...From 1 AM to 8 AM CDT Thursday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if left
  uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

Auten


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
316 PM CDT Wed Apr 14 2021

LMZ740>745-152030-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
316 PM CDT Wed Apr 14 2021

This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.

.DAY ONE...Tonight.

Weather hazards expected...

  Hazardous conditions for small craft.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday...
  Hazardous conditions for small craft are likely.

$$

Petr

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Hazardous Weather Outlook
National Weather Service Lincoln IL
308 PM CDT Wed Apr 14 2021

ILZ031-037-038-040>051-053-151100-
Cass-Champaign-De Witt-Logan-Macon-Mason-McLean-Menard-Morgan-
Piatt-Sangamon-Schuyler-Scott-Tazewell-Vermilion-Woodford-
308 PM CDT Wed Apr 14 2021

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT THURSDAY...

This Hazardous Weather Outlook is for portions of central
Illinois, east central Illinois and west central Illinois.

.DAY ONE...TONIGHT...

Frost is expected to develop after midnight across the area.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

Areas of frost is likely early Thursday morning. Patchy frost is
possible overnight Thursday night north of I-74.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

$$

Hazardous Weather Outlook
National Weather Service Lincoln IL
308 PM CDT Wed Apr 14 2021

ILZ027>030-036-151100-
Fulton-Knox-Marshall-Peoria-Stark-
308 PM CDT Wed Apr 14 2021

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT THURSDAY...

This Hazardous Weather Outlook is for portions of central
Illinois and west central Illinois.

.DAY ONE...TONIGHT...

Minor flooding will end along the Spoon River at Seville late this
afternoon.

Frost is expected to develop again after midnight across the
area.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

Frost is expected early Thursday morning. Patchy frost is
possible overnight Thursday night, especially north of I-74.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

$$

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
248 PM CDT Wed Apr 14 2021

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-152000-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
248 PM CDT Wed Apr 14 2021

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A frost advisory has been issued for counties south of Interstate
80 from 1 AM to 8 AM Thursday. Temperatures will dip back down
into the low to mid 30s tonight, and will produce areas of frost
and near freezing conditions. Thus another night where sensitive
vegetation will be affected.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Temperatures dipping down into the mid to lower 30s may produce
patchy frost and near freezing conditions on many mornings in the
next week. People with sensitive vegetation will need to closely
monitor the forecast each night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

Speck/12/Ervin

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
223 PM CDT Wed Apr 14 2021

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-151930-
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
223 PM CDT Wed Apr 14 2021

This Hazardous Weather Outlook is for the open waters of Lake Michigan.

.DAY ONE...Tonight

Stronger northwest winds are expected to develop over Lake
Michigan late tonight. A few gale force gusts to 35 knots are
possible over the northern half of Lake Michigan late tonight.

.DAYS TWO THROUGH SEVEN...Thursday through Wednesday

Northwest winds may gust up to 35 knots over the northern half of
Lake Michigan into Thursday morning.

$$


www.weather.gov/mkx

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
223 PM CDT Wed Apr 14 2021

LMZ643>646-151930-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
223 PM CDT Wed Apr 14 2021

This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.

.DAY ONE...Tonight

A Small Craft Advisory goes into effect late tonight for gusty
northwest winds up to 25 knots.

.DAYS TWO THROUGH SEVEN...Thursday through Wednesday

A Small Craft Advisory continues into early Thursday afternoon.

$$

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
358 AM EDT Wed Apr 14 2021

LMZ844>849-150800-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
358 AM EDT Wed Apr 14 2021

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...Today and Tonight

Conditions will become hazardous to Smaller Craft late tonight.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Hazardous conditions for Smaller Craft will continue into early
Friday.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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