Alert archive / Illinois / Gale Warnings in 2018

Gale Warning 21, NWS Chicago, IL

August 24, 2018

NWS Chicago, IL issued this gale warning at Aug 24, 2018, 3:47 PM CDT. It was in force for 11 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 24, 2018, 3:47 PM CDT (20:47 UTC)
Expired: Aug 25, 2018, 3:00 AM CDT
In force: 11 hr
Issued by: NWS Chicago, IL

The text

As transmitted.

651 
WHUS73 KLOT 242047
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
347 PM CDT Fri Aug 24 2018


LMZ080-669-671-673-675-777-779-870-872-874-876-878-250200-
/O.NEW.KLOT.GL.W.0021.180824T2047Z-180825T0200Z/
Lake Michigan from Michigan City IN to St. Joseph MI 5 NM
offshore to Mid Lake-
Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5 NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5 NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM
offshore to Mid Lake-
Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid
Lake-
Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to
Mid Lake-
347 PM CDT Fri Aug 24 2018

...GALE WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING...

The National Weather Service in Chicago has issued a Gale
Warning, which is in effect until 9 PM CDT this evening. 

* WINDS...South gales to 35 kt with a few gusts to 40 kt.

* SIGNIFICANT WAVES...to 11 ft.

* OCCASIONAL WAVES...to 14 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

LMZ261-362-364-366-563-565-567-868-250500-
/O.NEW.KLOT.GL.W.0021.180824T2047Z-180825T0800Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5 NM
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 5 NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5 NM offshore to
Mid Lake-
Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5 NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to
Mid Lake-
Lake Michigan Holland to Whitehall MI 5 nm off shore to mid-
line of lake-
347 PM CDT Fri Aug 24 2018

...GALE WARNING IN EFFECT UNTIL 3 AM CDT SATURDAY...

The National Weather Service in Chicago has issued a Gale
Warning, which is in effect until 3 AM CDT Saturday. 

* WINDS...South to 35 kt with a few gusts to 40 kt.

* SIGNIFICANT WAVES...to 12 ft.

* OCCASIONAL WAVES...to 15 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

LMZ740>742-250500-
/O.CON.KLOT.SC.Y.0071.000000T0000Z-180825T0900Z/
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
347 PM CDT Fri Aug 24 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
SATURDAY...

* WINDS...South to 25 kt.

* SIGNIFICANT WAVES...3 to 6 ft, highest offshore.

* OCCASIONAL WAVES...to 8 ft, highest offshore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners...especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$

MTF

1 follow-up statement

403 
WHUS73 KLOT 250212
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
912 PM CDT Fri Aug 24 2018

LMZ080-669-671-673-675-777-779-870-872-874-876-878-250315-
/O.EXP.KLOT.GL.W.0021.000000T0000Z-180825T0200Z/
Lake Michigan from Michigan City IN to St. Joseph MI 5 NM
offshore to Mid Lake-
Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5 NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5 NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM
offshore to Mid Lake-
Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid
Lake-
Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to
Mid Lake-
912 PM CDT Fri Aug 24 2018

...GALE WARNING HAS EXPIRED...

The gale warning is no longer in effect.

$$

LMZ261-362-364-366-563-565-567-868-250800-
/O.CON.KLOT.GL.W.0021.000000T0000Z-180825T0800Z/
Lake Michigan from Seul Choix Point to Rock Island Passage 5 NM
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 5 NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5 NM offshore to
Mid Lake-
Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5 NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to
Mid Lake-
Lake Michigan Holland to Whitehall MI 5 nm off shore to mid-
line of lake-
912 PM CDT Fri Aug 24 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM CDT SATURDAY...

* WINDS...South gales to 35 kt.

* SIGNIFICANT WAVES...to 12 ft.

* OCCASIONAL WAVES...to 15 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

&&

$$

LMZ740>742-250900-
/O.CON.KLOT.SC.Y.0071.000000T0000Z-180825T0900Z/
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
912 PM CDT Fri Aug 24 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
SATURDAY...

* WINDS...South to 25 kt.

* SIGNIFICANT WAVES...to 6 ft.

* OCCASIONAL WAVES...to 8 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners...especially those operating smaller
vessels should avoid navigating in these conditions.

&&

$$

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 24, 2:50 AM CDT	Beach Hazards Statement	LOT	Lake	22 hr

Nearby

Gale Warnings in Illinois, 2018 Every gale warning in 2018

Sources

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