Gale Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
1035 PM EDT Sun Apr 20 2025
LMZ043-046-211045-
/O.UPG.KIWX.SC.Y.0034.250421T0300Z-250422T0900Z/
/O.NEW.KIWX.GL.W.0011.250421T0235Z-250421T2100Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
1035 PM EDT Sun Apr 20 2025
...GALE WARNING IN EFFECT UNTIL 5 PM EDT MONDAY...
* WHAT...Southeast winds 15 to 20 knots becoming south 15 to 25
knots overnight, shifting southwest Monday. Gusts to 35 knot
gales tonight and Monday.
* WHERE...Michigan City IN to St Joseph MI.
* WHEN...Until 5 PM EDT Monday.
* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
958 PM CDT Sun Apr 20 2025
LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-211100-
/O.CON.KMKX.GL.W.0020.250421T1200Z-250422T0000Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of 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-
958 PM CDT Sun Apr 20 2025
...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT MONDAY...
* WHAT...Southwest to west winds 15 to 25 kt with gusts up to 35
kt and waves 7 to 10 ft expected.
* WHERE...Southern Open Waters of Lake Michigan, Lake Michigan
from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake, and
Lake Michigan from Pentwater to Manistee MI 5NM offshore to
Mid Lake.
* WHEN...From 7 AM to 7 PM CDT Monday.
* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
930 PM CDT Sun Apr 20 2025
LMZ740>745-211030-
/O.CON.KLOT.SC.Y.0053.000000T0000Z-250421T0600Z/
/O.CON.KLOT.GL.W.0017.250421T0600Z-250422T0000Z/
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-
930 PM CDT Sun Apr 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT MONDAY...
...GALE WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM CDT MONDAY...
* WHAT...For the Small Craft Advisory, east winds to 30 kt and
significant waves to 6 ft occasionally to 8 ft expected. For
the Gale Warning, southwest to west winds to 35 kt and
significant waves to 9 ft occasionally to 12 ft expected.
* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL
to Michigan City IN.
* WHEN...For the Small Craft Advisory, from 7 PM this evening to
1 AM CDT Monday. For the Gale Warning, from 1 AM to 7 PM CDT
Monday.
* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
957 PM EDT Sun Apr 20 2025
LMZ844>849-211000-
/O.CON.KGRR.SC.Y.0045.000000T0000Z-250421T1200Z/
/O.CON.KGRR.GL.W.0016.250421T1200Z-250422T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
957 PM EDT Sun Apr 20 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...
...GALE WARNING REMAINS IN EFFECT FROM 8 AM TO 8 PM EDT MONDAY...
* WHAT...For the Small Craft Advisory, southeast winds to 30 knots
and waves 1 to 4 feet. For the Gale Warning, southwest gales to
35 knots and waves 6 to 9 feet expected.
* WHERE...St Joseph to Manistee.
* WHEN...For the Small Craft Advisory, until 8 AM EDT Monday.
For the Gale Warning, from 8 AM to 8 PM EDT Monday.
* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.
&&
$$
