Alert archive / Michigan / Storm Warnings in 2021

Storm Warning 3, NWS Detroit, MI

December 15, 2021

NWS Detroit, MI issued this storm warning at Dec 15, 2021, 3:56 AM EST. It took effect at Dec 16, 2021, 12:00 AM EST. It was in force for 20 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
Dec 15, 2021, 3:56 AM EST (08:56 UTC)
In effect from
Dec 16, 2021, 12:00 AM EST
Expired
Dec 16, 2021, 8:28 PM EST
In force
20 hr
Issued by
NWS Detroit, MI

The text

As transmitted.

906 
WHUS73 KDTX 150856
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
356 AM EST Wed Dec 15 2021

LHZ421-441>443-152115-
/O.CON.KDTX.SC.Y.0084.000000T0000Z-211216T0500Z/
/O.UPG.KDTX.GL.A.0020.211216T0500Z-211217T0500Z/
/O.NEW.KDTX.GL.W.0025.211216T0500Z-211217T0500Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
356 AM EST Wed Dec 15 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...
...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT EST
THURSDAY NIGHT...

* WHAT...During the Gale Warning, expect sustained winds up to 
  28 knots from the southwest with gusts up to 39 knots. The 
  largest significant waves will be 5 feet with a potential 
  maximum wave height of 7 feet. During the Small Craft 
  Advisory, expect sustained winds up to 19 knots from the south 
  with gusts up to 31 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay, Port Austin to Harbor Beach MI, Harbor 
  Beach to Port Sanilac MI and Port Sanilac to Port Huron MI.

* WHEN...During the Gale Warning, the maximum winds are expected
  around 10 AM EST Thursday with the largest waves expected around
  11 AM EST Thursday. During the Small Craft Advisory, the maximum
  winds are expected around 10 AM EST Wednesday with the largest
  waves expected around 4 AM EST Wednesday.

* 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.

&&

$$

LHZ363-422-462>464-152115-
/O.UPG.KDTX.GL.A.0020.211216T0500Z-211217T0500Z/
/O.NEW.KDTX.GL.W.0025.211216T0500Z-211217T0500Z/
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
356 AM EST Wed Dec 15 2021

...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT EST
THURSDAY NIGHT...

* WHAT...Expect sustained winds up to 30 knots from the 
  southwest with gusts up to 43 knots. The largest significant 
  waves will be 10 feet with a potential maximum wave height of 
  14 feet.

* WHERE...Lake Huron from Sturgeon Point to Alabaster MI beyond 
  5NM off shore, Inner Saginaw Bay SW of Point Au Gres to Bay 
  Port MI, Lake Huron from Port Austin to Harbor Beach beyond 
  5NM Off Shore, Lake Huron from Harbor Beach to Port Sanilac 
  beyond 5NM Off Shore and Lake Huron from Port Sanilac to Port 
  Huron beyond 5NM Off Shore.

* WHEN...The maximum winds are expected around 8 AM EST Thursday 
  with the largest waves expected around 10 AM EST Thursday.

* 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.

&&

$$

LCZ460-LEZ444-152115-
/O.NEW.KDTX.GL.W.0025.211216T0300Z-211216T2100Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
356 AM EST Wed Dec 15 2021

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 PM EST
THURSDAY...

* WHAT...Expect sustained winds up to 21 knots from the 
  southwest with gusts up to 34 knots. The largest significant 
  waves will be 3 feet with a potential maximum wave height of 4 
  feet.

* WHERE...In Lake St Clair, Lake St Clair. In Lake Erie, 
  Michigan Waters of Lake Erie from Detroit River to North Cape 
  MI.

* WHEN...The maximum winds are expected around 8 AM EST Thursday 
  with the largest waves expected around 9 AM EST Thursday.

* 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.

&&

$$

LHZ361-362-152115-
/O.UPG.KDTX.GL.A.0020.211216T0500Z-211217T0500Z/
/O.NEW.KDTX.SR.W.0003.211216T0500Z-211217T0500Z/
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
356 AM EST Wed Dec 15 2021

...STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT EST
THURSDAY NIGHT...

* WHAT...Expect sustained winds up to 29 knots from the 
  southwest with gusts up to 48 knots. The largest significant 
  waves will be 11 feet with a potential maximum wave height of 
  16 feet.

* WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque 
  Isle Lt beyond 5 NM off shore and Lake Huron from Presque Isle 
  Light to Sturgeon Point MI beyond 5NM off shore.

* WHEN...The maximum winds are expected around 7 AM EST Thursday 
  with the largest waves expected around 8 AM EST Thursday.

* IMPACTS...Very strong winds will cause hazardous waves which
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

KK
4 follow-up statements
215 
WHUS73 KDTX 152028
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
328 PM EST Wed Dec 15 2021

LHZ421-441-161015-
/O.CON.KDTX.SC.Y.0084.000000T0000Z-211216T0500Z/
/O.UPG.KDTX.GL.W.0025.211216T0500Z-211217T0500Z/
/O.EXA.KDTX.SR.W.0003.211216T0500Z-211217T0500Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
328 PM EST Wed Dec 15 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...
...STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT EST
THURSDAY NIGHT...

* WHAT...During the Storm Warning, expect sustained winds up to 
  32 knots from the southwest with gusts up to 50 knots. The 
  largest significant waves will be 7 feet with a potential 
  maximum wave height of 10 feet. During the Small Craft 
  Advisory, expect sustained winds up to 19 knots from the south 
  with gusts up to 21 knots. The largest significant waves will 
  be 3 feet with a potential maximum wave height of 4 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay and Port Austin to Harbor Beach MI.

* WHEN...During the Storm Warning, the maximum winds are 
  expected around 3 PM EST Thursday with the largest waves 
  expected around 4 PM EST Thursday. During the Small Craft 
  Advisory, the maximum winds are expected around 3 PM EST 
  Wednesday with the largest waves expected around 4 PM EST 
  Wednesday.

* IMPACTS...Very strong winds will cause hazardous waves which
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LHZ363-462-161015-
/O.UPG.KDTX.GL.W.0025.211216T0500Z-211217T0500Z/
/O.EXA.KDTX.SR.W.0003.211216T0500Z-211217T0500Z/
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
328 PM EST Wed Dec 15 2021

...STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT EST
THURSDAY NIGHT...

* WHAT...Expect sustained winds up to 34 knots from the 
  southwest with gusts up to 50 knots. The largest significant 
  waves will be 11 feet with a potential maximum wave height of 
  16 feet.

* WHERE...Lake Huron from Sturgeon Point to Alabaster MI beyond 
  5NM off shore and Lake Huron from Port Austin to Harbor Beach 
  beyond 5NM Off Shore.

* WHEN...The maximum winds are expected around 4 PM EST Thursday 
  with the largest waves expected around 4 PM EST Thursday.

* IMPACTS...Very strong winds will cause hazardous waves which
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LCZ460-LEZ444-161015-
/O.EXT.KDTX.GL.W.0025.211216T0500Z-211216T2100Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
328 PM EST Wed Dec 15 2021

...GALE WARNING NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM EST
THURSDAY...

* WHAT...Expect sustained winds up to 21 knots from the 
  southwest with gusts up to 37 knots. The largest significant 
  waves will be 3 feet with a potential maximum wave height of 4 
  feet.

* WHERE...In Lake St Clair, Lake St Clair. In Lake Erie, 
  Michigan Waters of Lake Erie from Detroit River to North Cape 
  MI.

* WHEN...The maximum winds are expected around 9 AM EST Thursday 
  with the largest waves expected around 7 AM EST Thursday.

* 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.

&&

$$

LHZ442-443-161015-
/O.CON.KDTX.SC.Y.0084.000000T0000Z-211216T0500Z/
/O.CON.KDTX.GL.W.0025.211216T0500Z-211217T0500Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
328 PM EST Wed Dec 15 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST
TONIGHT...
...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT EST THURSDAY NIGHT...

* WHAT...During the Gale Warning, expect sustained winds up to 
  27 knots from the southwest with gusts up to 42 knots. The 
  largest significant waves will be 5 feet with a potential 
  maximum wave height of 7 feet. During the Small Craft 
  Advisory, expect sustained winds up to 19 knots from the south 
  with gusts up to 22 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 5 feet.

* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to 
  Port Huron MI.

* WHEN...During the Gale Warning, the maximum winds are expected 
  around 10 AM EST Thursday with the largest waves expected 
  around 7 AM EST Thursday. During the Small Craft Advisory, the 
  maximum winds are expected around 3 PM EST Wednesday with the 
  largest waves expected around 4 PM EST Wednesday.

* 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.

&&

$$

LHZ422-463-464-161015-
/O.CON.KDTX.GL.W.0025.211216T0500Z-211217T0500Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
328 PM EST Wed Dec 15 2021

...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT EST THURSDAY NIGHT...

* WHAT...Expect sustained winds up to 29 knots from the 
  southwest with gusts up to 42 knots. The largest significant 
  waves will be 8 feet with a potential maximum wave height of 
  11 feet.

* WHERE...Lake Huron from Port Sanilac to Port Huron beyond 5NM 
  Off Shore, Lake Huron from Harbor Beach to Port Sanilac beyond 
  5NM Off Shore and Inner Saginaw Bay SW of Point Au Gres to Bay 
  Port MI.

* WHEN...The maximum winds are expected around 10 AM EST 
  Thursday with the largest waves expected around 10 AM EST 
  Thursday.

* 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.

&&

$$

LHZ361-362-161015-
/O.CON.KDTX.SR.W.0003.211216T0500Z-211217T0500Z/
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
328 PM EST Wed Dec 15 2021

...STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT EST THURSDAY NIGHT...

* WHAT...Expect sustained winds up to 32 knots from the 
  southwest with gusts up to 49 knots. The largest significant 
  waves will be 12 feet with a potential maximum wave height of 
  17 feet.

* WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque 
  Isle Lt beyond 5 NM off shore and Lake Huron from Presque Isle 
  Light to Sturgeon Point MI beyond 5NM off shore.

* WHEN...The maximum winds are expected around 4 PM EST Thursday 
  with the largest waves expected around 11 AM EST Thursday.

* IMPACTS...Very strong winds will cause hazardous waves which 
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$
074 
WHUS73 KDTX 160917
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
417 AM EST Thu Dec 16 2021

LHZ422-442-443-463-464-162115-
/O.CON.KDTX.GL.W.0025.000000T0000Z-211217T0500Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
417 AM EST Thu Dec 16 2021

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

* WHAT...Expect sustained winds up to 28 knots from the 
  southwest with gusts up to 42 knots. The largest significant 
  waves will be 7 feet with a potential maximum wave height of 
  10 feet.

* WHERE...Lake Huron from Port Sanilac to Port Huron beyond 5NM 
  Off Shore, Lake Huron from Harbor Beach to Port Sanilac beyond 
  5NM Off Shore, Harbor Beach to Port Sanilac MI, Port Sanilac 
  to Port Huron MI and Inner Saginaw Bay SW of Point Au Gres to 
  Bay Port MI.

* WHEN...The maximum winds are expected around 7 AM EST Thursday 
  with the largest waves expected around 10 AM EST Thursday.

* 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.

&&

$$

LCZ460-LEZ444-162100-
/O.CON.KDTX.GL.W.0025.000000T0000Z-211216T2100Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
417 AM EST Thu Dec 16 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

* WHAT...Expect sustained winds up to 21 knots from the 
  southwest with gusts up to 37 knots. The largest significant 
  waves will be 3 feet with a potential maximum wave height of 4 
  feet.

* WHERE...In Lake St Clair, Lake St Clair. In Lake Erie, 
  Michigan Waters of Lake Erie from Detroit River to North Cape 
  MI.

* WHEN...The maximum winds are expected around 8 AM EST Thursday 
  with the largest waves expected around 8 AM EST Thursday.

* 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.

&&

$$

LHZ361>363-421-441-462-162115-
/O.CON.KDTX.SR.W.0003.000000T0000Z-211217T0500Z/
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
417 AM EST Thu Dec 16 2021

...STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

* WHAT...Expect sustained winds up to 31 knots from the 
  southwest with gusts up to 50 knots. The largest significant 
  waves will be 11 feet with a potential maximum wave height of 
  16 feet.

* WHERE...Portions of Lake Huron. 

* WHEN...The maximum winds are expected around 3 PM EST Thursday 
  with the largest waves expected around 11 AM EST Thursday.

* IMPACTS...Very strong winds will cause hazardous waves which 
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

KK
642 
WHUS73 KDTX 162033
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
333 PM EST Thu Dec 16 2021

LCZ460-LEZ444-170100-
/O.EXT.KDTX.GL.W.0025.000000T0000Z-211217T0100Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
333 PM EST Thu Dec 16 2021

...GALE WARNING NOW IN EFFECT UNTIL 8 PM EST THIS EVENING...

* WHAT...Expect sustained winds up to 22 knots from the 
  southwest with gusts up to 36 knots. The largest significant 
  waves will be 3 feet with a potential maximum wave height of 4 
  feet.

* WHERE...In Lake St Clair, Lake St Clair. In Lake Erie, 
  Michigan Waters of Lake Erie from Detroit River to North Cape 
  MI.

* WHEN...The maximum winds are expected around 3 PM EST Thursday 
  with the largest waves expected around 3 PM EST Thursday.

* 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.

&&

$$

LHZ422-442-443-463-464-170500-
/O.CON.KDTX.GL.W.0025.000000T0000Z-211217T0500Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
333 PM EST Thu Dec 16 2021

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

* WHAT...Expect sustained winds up to 29 knots from the west 
  with gusts up to 43 knots. The largest significant waves will 
  be 6 feet with a potential maximum wave height of 8 feet.

* WHERE...Lake Huron from Port Sanilac to Port Huron beyond 5NM 
  Off Shore, Lake Huron from Harbor Beach to Port Sanilac beyond 
  5NM Off Shore, Harbor Beach to Port Sanilac MI, Port Sanilac 
  to Port Huron MI and Inner Saginaw Bay SW of Point Au Gres to 
  Bay Port MI.

* WHEN...The maximum winds are expected around 7 PM EST Thursday 
  with the largest waves expected around 8 PM EST Thursday.

* 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.

&&

$$

LHZ361>363-421-441-462-170500-
/O.CON.KDTX.SR.W.0003.000000T0000Z-211217T0500Z/
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
333 PM EST Thu Dec 16 2021

...STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

* WHAT...Expect sustained winds up to 34 knots from the west with
  gusts up to 50 knots. The largest significant waves will be 12 
  feet with a potential maximum wave height of 17 feet.

* WHERE...Portions of Lake Huron. 

* WHEN...The maximum winds are expected around 4 PM EST Thursday 
  with the largest waves expected around 7 PM EST Thursday.

* IMPACTS...Very strong winds will cause hazardous waves which 
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$
136 
WHUS73 KDTX 170128
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
828 PM EST Thu Dec 16 2021

LHZ363-421-441-462-170900-
/O.CAN.KDTX.SR.W.0003.000000T0000Z-211217T0500Z/
/O.NEW.KDTX.GL.W.0026.211217T0128Z-211217T0900Z/
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
828 PM EST Thu Dec 16 2021

...GALE WARNING IN EFFECT UNTIL 4 AM EST FRIDAY...
...STORM WARNING IS CANCELLED...

* WHAT...Expect sustained winds up to 34 knots from the west 
  with gusts up to 45 knots. The largest significant waves will 
  be 11 feet with a potential maximum wave height of 16 feet.

* WHERE...Lake Huron from Sturgeon Point to Alabaster MI beyond 
  5NM off shore, Outer Saginaw Bay SW of Alabaster to Port 
  Austin MI to Inner Saginaw Bay, Port Austin to Harbor Beach MI 
  and Lake Huron from Port Austin to Harbor Beach beyond 5NM Off 
  Shore.

* WHEN...The maximum winds are expected around 8 PM EST Thursday 
  with the largest waves expected around 8 PM EST Thursday.

* 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.

&&

$$

LHZ361-362-171500-
/O.CAN.KDTX.SR.W.0003.000000T0000Z-211217T0500Z/
/O.NEW.KDTX.GL.W.0026.211217T0128Z-211217T1500Z/
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
828 PM EST Thu Dec 16 2021

...GALE WARNING IN EFFECT UNTIL 10 AM EST FRIDAY...
...STORM WARNING IS CANCELLED...

* WHAT...Expect sustained winds up to 33 knots from the west 
  with gusts up to 45 knots. The largest significant waves will 
  be 11 feet with a potential maximum wave height of 16 feet.

* WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque 
  Isle Lt beyond 5 NM off shore and Lake Huron from Presque Isle 
  Light to Sturgeon Point MI beyond 5NM off shore.

* WHEN...The maximum winds are expected around 8 PM EST Thursday 
  with the largest waves expected around 10 PM EST Thursday.

* 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.

&&

$$

LHZ422-442-443-171000-
/O.CAN.KDTX.GL.W.0025.000000T0000Z-211217T0500Z/
/O.NEW.KDTX.SC.Y.0085.211217T0128Z-211217T1000Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
828 PM EST Thu Dec 16 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EST FRIDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Expect sustained winds up to 27 knots from the west with
  gusts up to 33 knots. The largest significant waves will be 4 
  feet with a potential maximum wave height of 5 feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI, 
  Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron 
  MI.

* WHEN...The maximum winds are expected around 10 PM EST 
  Thursday with the largest waves expected around 10 PM EST 
  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.

&&

$$

LHZ463-464-170230-
/O.CAN.KDTX.GL.W.0025.000000T0000Z-211217T0500Z/
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
828 PM EST Thu Dec 16 2021

...GALE WARNING IS CANCELLED...

Westerly winds will continue to slowly diminish tonight, with just
a few leftover gusts of 30 to 35 knots this evening. 

$$

LCZ460-LEZ444-170800-
/O.EXP.KDTX.GL.W.0025.000000T0000Z-211217T0100Z/
/O.NEW.KDTX.SC.Y.0085.211217T0128Z-211217T0800Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
828 PM EST Thu Dec 16 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EST FRIDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Expect sustained winds up to 19 knots from the west 
  with gusts up to 30 knots. The largest significant waves will 
  be 2 feet with a potential maximum wave height of 3 feet.

* WHERE...In Lake St Clair, Lake St Clair. In Lake Erie, 
  Michigan Waters of Lake Erie from Detroit River to North Cape 
  MI.

* WHEN...The maximum winds are expected around 8 PM EST Thursday 
  with the largest waves expected around 8 PM EST 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.

&&

$$

The office that day

Everything else NWS Detroit, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 15, 3:40 AM ESTWind AdvisoryDTXBay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more40 hr
Dec 15, 3:56 AM ESTGale WarningDTX41 hr
Dec 15, 3:05 PM ESTHigh Wind WarningDTXHuron29 hr

Nearby

Storm Warnings in Michigan, 2021Every storm warning in 2021

Sources

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