Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
1001 PM EDT Tue Aug 19 2025
LMZ043-201015-
/O.CON.KIWX.SC.Y.0052.250820T0600Z-250821T0600Z/
New Buffalo MI to St Joseph MI-
1001 PM EDT Tue Aug 19 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO
2 AM EDT THURSDAY...
* WHAT...Waves 3 to 5 feet expected.
* WHERE...New Buffalo MI to St Joseph MI.
* WHEN...From 2 AM Wednesday to 2 AM 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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
1001 PM EDT Tue Aug 19 2025
LMZ046-201015-
/O.CON.KIWX.SC.Y.0052.250820T0600Z-250821T0900Z/
Michigan City IN to New Buffalo MI-
1001 PM EDT Tue Aug 19 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM WEDNESDAY TO
5 AM EDT THURSDAY...
* WHAT...Waves 3 to 5 feet expected.
* WHERE...Michigan City IN to New Buffalo MI.
* WHEN...From 2 AM Wednesday to 5 AM EDT Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
838 PM CDT Tue Aug 19 2025
LMZ740>745-200945-
/O.CON.KLOT.SC.Y.0077.250820T0600Z-250821T0900Z/
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-
838 PM CDT Tue Aug 19 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM WEDNESDAY TO
4 AM CDT THURSDAY...
* WHAT...North to northeast up to 25 kt and significant waves to
6 ft occasionally to 8 ft expected.
* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL
to Michigan City IN.
* WHEN...From 1 AM Wednesday to 4 AM 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.
&&
$$
Beach Hazards Statement
Coastal Hazard Message
National Weather Service Northern Indiana
1000 PM EDT Tue Aug 19 2025
INZ103-MIZ277-201000-
/O.CON.KIWX.BH.S.0009.000000T0000Z-250821T0900Z/
Northern La Porte-Southern Berrien-
1000 PM EDT Tue Aug 19 2025 /900 PM CDT Tue Aug 19 2025/
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE
WEDNESDAY NIGHT...
* WHAT...Dangerous swimming conditions expected.
* Waves: Waves 3 to 5 feet into Wednesday morning, then subside
to 2 to 4 feet Wednesday afternoon.
* Life-threatening rip and structural currents expected,
especially on the north sides of piers and breakwalls.
* A strong longshore current flowing from north to south is
expected.
* WHERE...In Indiana, Northern La Porte county. In Michigan,
Southern Berrien county.
* WHEN...Until late Wednesday night.
* IMPACTS...Strong currents can pull swimmers into deeper water
and high waves can sweep people off piers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water to avoid hazardous swimming conditions.
Do not venture out on piers.
&&
$$
Coastal Hazard Message
National Weather Service Northern Indiana
1000 PM EDT Tue Aug 19 2025
MIZ177-201000-
/O.CON.KIWX.BH.S.0009.000000T0000Z-250820T1500Z/
Northern Berrien-
1000 PM EDT Tue Aug 19 2025
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
MORNING...
* WHAT...Dangerous swimming conditions expected
* Waves: Waves 3 to 5 feet into Wednesday morning, then subside to
2 to 3 feet Wednesday afternoon.
* Life-threatening rip and structural currents expected,
especially on the north sides of piers and breakwalls.
* A strong longshore current flowing from north to south is
expected.
* WHERE...Northern Berrien county.
* WHEN...Until late Wednesday morning.
* IMPACTS...Strong currents can pull swimmers into deeper water
and high waves can sweep people off piers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water to avoid hazardous swimming conditions.
Do not venture out on piers.
&&
$$
Coastal Hazard Message...CORRECTED
National Weather Service Chicago IL
826 PM CDT Tue Aug 19 2025
INZ001-002-200930-
/O.CON.KLOT.BH.S.0009.000000T0000Z-250821T1500Z/
Lake IN-Porter-
826 PM CDT Tue Aug 19 2025
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY
MORNING...
* WHAT...High wave action and dangerous currents expected at
Lake Michigan beaches. Waves 3 to 6 ft expected.
* WHERE...Lake IN and Porter Counties.
* WHEN...Through Thursday morning.
* IMPACTS...Swimming conditions will be life threatening,
especially for inexperienced swimmers.
* ADDITIONAL DETAILS...The beach hazards statement is now in
effect starting at 2 PM today. Conditions will continue to
steadily deteriorate this afternoon and evening.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water to avoid dangerous swimming conditions
and do not venture out onto piers, jetties, breakwalls, or other
shoreline structures.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
715 PM EDT Tue Aug 19 2025
LMZ844>849-200830-
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-
715 PM EDT Tue Aug 19 2025
This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.
.DAY ONE...Tonight
Winds, waves, and currents on Lake Michigan will be hazardous for
small craft and swimmers this evening, mainly from Grand Haven and
all beaches to the south.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Waves and currents may increase late in the day Wednesday, with a
moderate to potentially high swim risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
326 PM CDT Tue Aug 19 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-202030-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
326 PM CDT Tue Aug 19 2025 /426 PM EDT Tue Aug 19 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Fog Risk.
High Swim Risk Lake Michigan Beaches.
DISCUSSION...
Patchy fog may locally reduce visibilities to under 1 mile at
times tonight, mainly away from the lake.
Dangerous swimming conditions will develop at area beaches
tonight.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
High Swim Risk Lake Michigan Beaches.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
326 PM CDT Tue Aug 19 2025
LMZ740>745-202030-
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-
326 PM CDT Tue Aug 19 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...
Hazardous conditions for small craft.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Hazardous conditions for small craft are likely.
$$
Carlaw
Visit us at www.weather.gov/chicago
Hazardous Weather Outlook
National Weather Service Cleveland OH
357 PM EDT Tue Aug 19 2025
OHZ003-006-008-017>020-027>031-036>038-047-202000-
Lucas-Wood-Sandusky-Hancock-Seneca-Huron-Medina-Wyandot-Crawford-
Richland-Ashland-Wayne-Marion-Morrow-Holmes-Knox-
357 PM EDT Tue Aug 19 2025
This Hazardous Weather Outlook is for north central Ohio, northeast
Ohio and northwest Ohio.
.DAY ONE...This afternoon and tonight.
There is a marginal risk (level 1 of 5) for severe weather this
evening into early tonight. The primary weather hazard will be
strong to severe winds.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Hazardous weather is not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Northern Indiana
248 PM EDT Tue Aug 19 2025
INZ005>009-012>015-017-018-020-022>027-032>034-104-116-203-204-216-
MIZ078>081-OHZ001-002-004-005-015-016-024-025-201900-
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-
248 PM EDT Tue Aug 19 2025 /148 PM CDT Tue Aug 19 2025/
This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.
.DAY ONE...This afternoon and tonight.
Scattered thunderstorms are expected this afternoon and evening,
mainly south of US-24 across northeast Indiana and northwest Ohio.
A few strong storms are possible with the potential main threat of
isolated strong wind gusts of 40-50 mph. Brief heavy rainfall is
also possible.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Northern Indiana
248 PM EDT Tue Aug 19 2025
INZ103-MIZ277-201900-
Northern La Porte-Southern Berrien-
248 PM EDT Tue Aug 19 2025 /148 PM CDT Tue Aug 19 2025/
...BEACH HAZARDS STATEMENT IN EFFECT THROUGH LATE WEDNESDAY NIGHT...
This Hazardous Weather Outlook is for northern Indiana and
southwest Michigan.
.DAY ONE...This afternoon and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Beach Hazards Statement.
There is a High Swim Risk from this afternoon into Wednesday night
for southern Berrien County and northern La Porte County Lake
Michigan beaches. Life threatening waves and currents are expected.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Beach Hazards Statement.
Beach Hazards Statement.
A High Swim Risk persists through Wednesday night.
$$
Hazardous Weather Outlook
National Weather Service Northern Indiana
248 PM EDT Tue Aug 19 2025
LMZ043-201900-
New Buffalo MI to St Joseph MI-
248 PM EDT Tue Aug 19 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM WEDNESDAY TO 2 AM EDT
THURSDAY...
This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.
.DAY ONE...This afternoon and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Small Craft Advisory.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Small Craft Advisory.
Hazardous conditions for small craft continue through Wednesday
night.
$$
Hazardous Weather Outlook
National Weather Service Northern Indiana
248 PM EDT Tue Aug 19 2025
LMZ046-201900-
Michigan City IN to New Buffalo MI-
248 PM EDT Tue Aug 19 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM WEDNESDAY TO 5 AM EDT
THURSDAY...
This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.
.DAY ONE...This afternoon and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Small Craft Advisory.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Small Craft Advisory.
Hazardous conditions for small craft will continue through Wednesday
night.
$$
Hazardous Weather Outlook
National Weather Service Northern Indiana
248 PM EDT Tue Aug 19 2025
MIZ177-201900-
Northern Berrien-
248 PM EDT Tue Aug 19 2025
...BEACH HAZARDS STATEMENT IN EFFECT THROUGH WEDNESDAY MORNING...
This Hazardous Weather Outlook is for southwest Michigan.
.DAY ONE...This afternoon and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Beach Hazards Statement.
There is a High Swim Risk from this afternoon into Wednesday morning
for northern Berrien County Lake Michigan beaches. Life threatening
waves and currents are expected.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Beach Hazards Statement.
A High Swim Risk continues into Wednesday morning with a Moderate
Swim Risk Wednesday afternoon and evening.
$$
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
432 AM EDT Tue Aug 19 2025
MIZ047>049-053>055-060>063-068>070-075-076-082-083-200845-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
432 AM EDT Tue Aug 19 2025
This hazardous weather outlook is for southeast Michigan.
.DAY ONE...Today and Tonight
Showers and thunderstorms spread west to east across southeast
Michigan this morning through early afternoon. Locally heavy rainfall
is the primary hazard in this phase of the system.
There is an additional chance of thunderstorms late this afternoon
and this evening, mainly south of I-69. These storms are not expected
to reach severe intensity, however the storms will be capable of
heavy downpours and wind gusts around 40 mph.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today and tonight.
$$
