Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
905 PM CDT Sat Jul 5 2025

LMZ743>745-061015-
/O.NEW.KLOT.SC.Y.0072.250706T2300Z-250707T1400Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
905 PM CDT Sat Jul 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 9 AM CDT
MONDAY...

* WHAT...North winds to 25 kt and significant waves to 6 ft
  occasionally to 8 ft expected.

* WHERE...Calumet Harbor, IL to Michigan City, IN.

* WHEN...From 6 PM Sunday to 9 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Beach Hazards Statement

Coastal Hazard Message
National Weather Service Chicago IL
855 PM CDT Sat Jul 5 2025

INZ001-002-061000-
/O.NEW.KLOT.BH.S.0003.250706T2300Z-250707T1700Z/
Lake IN-Porter-
855 PM CDT Sat Jul 5 2025

...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY EVENING THROUGH
MONDAY MORNING...

* WHAT...High wave action and dangerous currents expected at Lake
  Michigan beaches. Waves 3 to 6 ft expected.

* WHERE...Lake IN and Porter Counties.

* WHEN...From Sunday evening through Monday morning.

* IMPACTS...Swimming conditions will be life threatening,
  especially for inexperienced swimmers.

* ADDITIONAL DETAILS...Winds will shift to the north and abruptly
  increase, leading to quickly building waves early Sunday evening.
  Hazardous waves and swimming conditions will continue into
  Monday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid dangerous swimming conditions
and do not venture out onto piers, jetties, breakwalls, or other
shoreline structures.

&&

$$

Air Quality Alert

MIZ177-277-060400-
Northern Berrien-Southern Berrien-
Including the cities of Benton Harbor, St. Joseph, Paw Paw Lake,
Niles, New Buffalo, Stevensville, and Berrien Springs
148 PM EDT Fri Jul 4 2025

...AIR QUALITY ADVISORY THROUGH SATURDAY JULY 5, 2025...

The Michigan Department of Environment, Great Lakes, and Energy
(EGLE) has declared an Air Quality Advisory through Saturday July 5,
2025, for elevated levels of ozone along the Lake Michigan shoreline.

Pollutants within those areas are expected to be in the
Unhealthy for Sensitive Groups (USG, Orange AQI) range.

The Air Quality Advisory is in effect for the following Michigan counties:

Allegan, Berrien, Kent, Muskegon, Ottawa, Van Buren

Conditions for ample Ozone development will persist through Saturday
along the Lake Michigan shoreline. It is recommended that, when
possible, you avoid strenuous outdoor activities, especially those
with respiratory diseases such as asthma. People and businesses are
urged to avoid activities which can lead to ozone formation.

It is recommended that, when possible, you avoid strenuous outdoor
activities, especially those with respiratory diseases such as
asthma.

People and businesses are urged to avoid activities which lead to
ozone formation. These activities include:
 * refueling vehicles or topping off when refueling;
 * using gasoline powered lawn equipment;
 * using charcoal lighter fluid.

Positive activities include:
 * driving less;
 * telecommuting;
 * walking or bike riding;
 * delaying or combining errands;
 * using water-based paints.

For up-to-date air quality data for Michigan visit the MiAir site:
https://air-egle.hub.arcgis.com/

For up-to-date air quality data nationally visit EPA`s Air Now site:
https://www.airnow.gov/

$$

MIZ063-068>070-075-076-083-060415-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Monroe-
Including the cities of Port Huron, Howell, Pontiac, Warren,
Ann Arbor, Detroit, and Monroe
1020 AM EDT Fri Jul 4 2025

...Air Quality Advisory in effect through Saturday, July 5th...

The Michigan Department of Environment, Great Lakes, and Energy
(EGLE) has declared an Air Quality Advisory through Saturday July
5th for elevated levels of Ozone and Fine Particulate (PM2.5) in the
metro Detroit area. Pollutants within those areas are expected to be
in the Unhealthy for Sensitive Groups (USG, Orange AQI) range.

The advisory is in effect for the following Michigan counties...

St. Clair...Livingston...Oakland...Macomb...Washtenaw...Wayne and
Monroe.

Stagnant conditions will allow for smoke from firework displays to
accumulate in the metro Detroit area with improvement Saturday
afternoon. For Ozone, however, conditions will be primed for
potential USG concentrations Saturday afternoon.

It is recommended that, when possible, you avoid strenuous outdoor
activities, especially those with heart disease and respiratory
diseases like asthma. Monitor for symptoms such as wheezing,
coughing, chest tightness, dizziness, or burning in nose, throat,
and eyes. Reduce or eliminate activities that contribute to air
pollution, such as: outdoor burning, use of residential wood
burning devices. Avoid activities which can lead to ozone formation.
These activities include: refueling vehicles or topping off when
refueling, using gasoline powered lawn equipment, using charcoal
lighter fluid.

Tips for households: Keep windows closed overnight to prevent
smoke from getting indoors and, if possible, run central air
conditioning with MERV-13 or higher rated filters.

For further information, please see EPAs Air Now site for
up-to-date air quality data: https://www.airnow.gov/

For further health information, please see MDHHS Wildfire Smoke
and Your Health site:

https://www.michigan.gov/mdhhs/safety-injury-prev/environmental-health/
your-health-and-wildfire-smoke

$$

AA

MIZ050-056-057-064-071-060400-
Muskegon-Ottawa-Kent-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison,
Grand Rapids, Holland, and South Haven
1007 AM EDT Fri Jul 4 2025

...Air Quality Advisory through July 5, 2025...

The Michigan Department of Environment, Great Lakes, and Energy
(EGLE) has declared an Air Quality Advisory for July 5, 2025, for
elevated levels of ozone along the Lake Michigan shoreline.

Pollutants within those areas are expected to be in the
Unhealthy for Sensitive Groups (USG, Orange AQI) range.

The Air Quality Advisory is in effect for the following Michigan counties:

Allegan, Berrien, Kent, Muskegon, Ottawa, Van Buren

Conditions for ample Ozone development will persist through Saturday
along the Lake Michigan shoreline. It is recommended that, when
possible, you avoid strenuous outdoor activities, especially those
with respiratory diseases such as asthma. People and businesses are
urged to avoid activities which can lead to ozone formation.

These activities include:
Refueling vehicles or topping off when refueling;
Using gasoline powered
Lawn equipment;
Using charcoal lighter fluid.

Positive activities include:
Driving less;
Telecommuting;
Walking or bike riding;
Delaying or Combining errands;
Using water-based paints.

For up-to-date air quality data for Michigan visit the MiAir site:
https://air-egle.hub.arcgis.com/

For up-to-date air quality data nationally visit EPAs Air Now site:
https://www.airnow.gov/

$$

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
923 PM CDT Sat Jul 5 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-070230-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
923 PM CDT Sat Jul 5 2025 /1023 PM EDT Sat Jul 5 2025/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Tonight.

Weather hazards expected...

  Limited Thunderstorm Risk.

DISCUSSION...

Isolated thunderstorms are possible tonight, especially across
northern Illinois.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Sunday...
  Elevated Thunderstorm Risk.
  Limited Flooding Risk.
  High Swim Risk Lake Michigan Illinois Beaches late.
Sunday Night...
  Limited Thunderstorm Risk south of I-80.
  High Swim Risk Lake Michigan Beaches.
Monday...
  High Swim Risk Lake Michigan Beaches in the morning.
Tuesday Night through Friday...
  Limited Thunderstorm Risk at times.

DISCUSSION...

Scattered showers and thunderstorms on Sunday will be capable of
producing locally heavy rainfall.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the northeast at 25 mph.

$$

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
923 PM CDT Sat Jul 5 2025

LMZ740>745-070230-
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-
923 PM CDT Sat Jul 5 2025

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...

  Limited Thunderstorm Risk.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Sunday...
  Hazardous conditions for small craft are likely late.
  Elevated Thunderstorm Risk.
Sunday Night...
  Hazardous conditions for small craft are likely.
  Limited Thunderstorm Risk.
Monday...
  Hazardous conditions for small craft are likely early.
Wednesday through Friday...
  Limited Thunderstorm Risk.

$$

- Izzi

Visit us at www.weather.gov/chicago

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
309 PM CDT Sat Jul 5 2025

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-062015-
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-
309 PM CDT Sat Jul 5 2025

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

.DAY ONE...Tonight

Scattered thunderstorms are expected this evening and tonight. A
few storms could produce gusty winds.

.DAYS TWO THROUGH SEVEN...Sunday through Saturday

Additional showers and storms are possible Sunday.

There will be additional chances for scattered storms Tuesday
through the end of the week.

$$
MRC

www.weather.gov/mkx

Hazardous Weather Outlook...UPDATED
National Weather Service Northern Indiana
218 PM EDT Sat Jul 5 2025

INZ005>009-012>015-017-018-020-022>027-032>034-104-116-203-204-216-
MIZ078>081-OHZ001-002-004-005-015-016-024-025-061830-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Eastern St. Joseph IN-
Northern Kosciusko-Southern La Porte-Western St. Joseph IN-
Southern Kosciusko-Cass MI-St. Joseph MI-Branch-Hillsdale-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
218 PM EDT Sat Jul 5 2025 /118 PM CDT Sat Jul 5 2025/

This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.

.DAY ONE...This afternoon and tonight.

Afternoon and early evening heat indices in the low to mid 90s.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Afternoon heat indices are forecast to reach the low to mid 90s
Sunday.

Scattered thunderstorms are expected Sunday afternoon into Sunday
evening, mainly along and north of the US 24 corridor. The main
hazards with storms will be lightning, locally heavy rainfall and
wind gusts to 40 mph.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook...UPDATED
National Weather Service Northern Indiana
218 PM EDT Sat Jul 5 2025

INZ103-MIZ177-277-061830-
Northern La Porte-Northern Berrien-Southern Berrien-
218 PM EDT Sat Jul 5 2025 /118 PM CDT Sat Jul 5 2025/

This Hazardous Weather Outlook is for northern Indiana and
southwest Michigan.

.DAY ONE...This afternoon and tonight.

Afternoon and early evening heat indices in the low to mid 90s.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

There is a moderate swim risk for Lake Michigan beaches Sunday into
Monday.

Afternoon heat indices are forecast to reach the low to mid 90s
on Sunday.

Scattered thunderstorms are expected Sunday afternoon into Sunday
evening. The main hazards with storms will be lightning, locally
heavy rainfall and wind gusts to 40 mph.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook...UPDATED
National Weather Service Northern Indiana
218 PM EDT Sat Jul 5 2025

LMZ043-046-061830-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
218 PM EDT Sat Jul 5 2025

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

.DAY ONE...This afternoon and tonight.

Isolated thunderstorms possible late tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Thunderstorms are possible Sunday into early Sunday night.

$$

Hazardous Weather Outlook
National Weather Service Cleveland OH
526 AM EDT Sat Jul 5 2025

OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-060930-
Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Cuyahoga-Lake-Geauga-
Ashtabula Inland-Hancock-Seneca-Huron-Medina-Summit-Portage-Trumbull-
Wyandot-Crawford-Richland-Ashland-Wayne-Stark-Mahoning-Marion-Morrow-
Holmes-Knox-Ashtabula Lakeshore-Northern Erie-Southern Erie-
526 AM EDT Sat Jul 5 2025

This Hazardous Weather Outlook is for north central Ohio, northeast
Ohio, northwest Ohio and northwest Pennsylvania.

.DAY ONE...Today and tonight.

Hot conditions are expected to continue over the weekend.
Temperatures will tend to range from the upper 80s to low 90s across
the area today. The hottest conditions are expected in portions of
Northwest and North Central Ohio where the heat index will be in the
mid to upper 90s.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hot conditions expand eastward on Sunday with temperatures generally
in the low 90s. Heat index values of 95-100 degrees are expected
across portions of northern Ohio and Northwest Pennsylvania.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
405 AM EDT Sat Jul 5 2025

LMZ844>849-060815-
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-
405 AM EDT Sat Jul 5 2025

This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.

.DAY ONE...Today and Tonight

Winds and waves on Lake Michigan will build this afternoon,
becoming hazardous for small craft and swimmers near and north of
Grand Haven toward Manistee.

Scattered thunderstorms will cross Lake Michigan late this evening
and overnight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Winds and waves on Lake Michigan will be hazardous for both small
craft and swimmers on Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
405 AM EDT Sat Jul 5 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-060815-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
405 AM EDT Sat Jul 5 2025

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

.DAY ONE...Today and Tonight

High temperatures in the lower 90s today and heat index values
around 95 degrees will pose a heat exhaustion risk for those
active outdoors without cooling or hydration.

Scattered thunderstorms may affect parts of West Michigan late
this evening and overnight.

The swim risk at Lake Michigan beaches near and north of Grand
Haven toward Manistee will become moderate to high this afternoon
due to increasing waves and currents.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Scattered thunderstorms with heavy downpours and gusts to 40 mph
are possible on Sunday.

A moderate to high swim risk at many Lake Michigan beaches is
expected on Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$