Alert archive / Michigan / Gale Warnings in 2021

Gale Warning 14, NWS Detroit, MI

September 21, 2021

NWS Detroit, MI issued this gale warning at Sep 21, 2021, 3:30 PM EDT. It took effect at Sep 22, 2021, 9:00 AM EDT. It was in force for 27 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
Sep 21, 2021, 3:30 PM EDT (19:30 UTC)
In effect from
Sep 22, 2021, 9:00 AM EDT
Expired
Sep 23, 2021, 12:00 PM EDT
In force
27 hr
Issued by
NWS Detroit, MI

The text

As transmitted.

872 
WHUS73 KDTX 211930
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
330 PM EDT Tue Sep 21 2021

LHZ421-422-441>443-220830-
/O.EXT.KDTX.SC.Y.0055.000000T0000Z-210922T1300Z/
/O.UPG.KDTX.GL.A.0010.210922T1300Z-210923T0800Z/
/O.NEW.KDTX.GL.W.0014.210922T1300Z-210923T1200Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
330 PM EDT Tue Sep 21 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM EDT WEDNESDAY...
...GALE WARNING IN EFFECT FROM 9 AM WEDNESDAY TO 8 AM EDT
THURSDAY...

* WHAT...During the Gale Warning, expect sustained winds up to 
  36 knots from the north with gusts up to 40 knots. The largest 
  significant waves will be 12 feet with a potential maximum 
  wave height of 17 feet. During the Small Craft Advisory, 
  expect sustained winds up to 26 knots from the north with 
  gusts up to 32 knots. The largest significant waves will be 7 
  feet with a potential maximum wave height of 10 feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to 
  Inner Saginaw Bay, Inner Saginaw Bay SW of Point Au Gres to 
  Bay Port MI, 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 1 AM EDT Thursday with the largest waves expected around
  1 AM EDT Thursday. During the Small Craft Advisory, the maximum
  winds are expected around 8 AM EDT Wednesday with the largest
  waves expected around 8 AM EDT 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.

&&

$$

LCZ460-LEZ444-LHZ362-363-462>464-220830-
/O.UPG.KDTX.GL.A.0010.210922T1300Z-210923T0800Z/
/O.NEW.KDTX.GL.W.0014.210922T1300Z-210923T1200Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
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-
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-
330 PM EDT Tue Sep 21 2021

...GALE WARNING IN EFFECT FROM 9 AM WEDNESDAY TO 8 AM EDT
THURSDAY...

* WHAT...Expect sustained winds up to 34 knots from the north 
  with gusts up to 40 knots. The largest significant waves will 
  be 14 feet with a potential maximum wave height of 20 feet.

* WHERE...Portions of Lake St Clair, Lake Huron and Lake Erie. 

* WHEN...The maximum winds are expected around 1 AM EDT Thursday 
  with the largest waves expected around 1 AM EDT 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.

&&

$$

LHZ361-220830-
/O.NEW.KDTX.GL.W.0014.210922T1300Z-210923T1200Z/
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
330 PM EDT Tue Sep 21 2021

...GALE WARNING IN EFFECT FROM 9 AM WEDNESDAY TO 8 AM EDT
THURSDAY...

* WHAT...Expect sustained winds up to 23 knots from the north with
  gusts up to 34 knots. The largest significant waves will be 7
  feet with a potential maximum wave height of 10 feet.

* WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque 
  Isle Lt beyond 5 NM off shore.

* WHEN...The maximum winds are expected around 11 PM EDT 
  Wednesday with the largest waves expected around 1 AM EDT 
  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.

&&

$$

KK
8 follow-up statements
068 
WHUS73 KDTX 220800
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
400 AM EDT Wed Sep 22 2021

LHZ421-422-441>443-222015-
/O.CON.KDTX.SC.Y.0055.000000T0000Z-210922T1300Z/
/O.CON.KDTX.GL.W.0014.210922T1300Z-210923T1200Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
400 AM EDT Wed Sep 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS
MORNING...
...GALE WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 8 AM
EDT THURSDAY...

* WHAT...During the Gale Warning, expect sustained winds up to 
  34 knots from the northeast with gusts up to 43 knots. The 
  largest significant waves will be 13 feet with a potential 
  maximum wave height of 19 feet. During the Small Craft 
  Advisory, expect sustained winds up to 24 knots from the north 
  with gusts up to 31 knots. The largest significant waves will 
  be 7 feet with a potential maximum wave height of 10 feet.

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

* WHEN...During the Gale Warning, the maximum winds are expected 
  around 12 AM EDT Thursday with the largest waves expected 
  around 3 AM EDT Thursday. During the Small Craft Advisory, the 
  maximum winds are expected around 8 AM EDT Wednesday with the 
  largest waves expected around 8 AM EDT 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.

&&

$$

LCZ460-LEZ444-LHZ361>363-462>464-222015-
/O.CON.KDTX.GL.W.0014.210922T1300Z-210923T1200Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
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-
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-
400 AM EDT Wed Sep 22 2021

...GALE WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 8 AM
EDT THURSDAY...

* WHAT...Expect sustained winds up to 34 knots from the 
  northeast with gusts up to 44 knots. The largest significant 
  waves will be 14 feet with a potential maximum wave height of 
  20 feet.

* WHERE...Portions of Lake St Clair, Lake Huron and Lake Erie. 

* WHEN...The maximum winds are expected around 10 PM EDT 
  Wednesday with the largest waves expected around 3 AM EDT 
  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.

&&

$$
693 
WHUS73 KDTX 221931
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
331 PM EDT Wed Sep 22 2021

LCZ460-LEZ444-230600-
/O.EXT.KDTX.GL.W.0014.000000T0000Z-210923T0600Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
331 PM EDT Wed Sep 22 2021

...GALE WARNING NOW IN EFFECT UNTIL 2 AM EDT THURSDAY...

* WHAT...Expect sustained winds up to 30 knots from the north 
  with gusts up to 44 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 7 feet.

* WHERE...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 7 PM EDT 
  Wednesday with the largest waves expected around 7 PM EDT 
  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.

&&

$$

LHZ361>363-421-422-441>443-462>464-230830-
/O.CON.KDTX.GL.W.0014.000000T0000Z-210923T1200Z/
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-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron 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-
331 PM EDT Wed Sep 22 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THURSDAY...

* WHAT...Expect sustained winds up to 36 knots from the 
  northeast with gusts up to 47 knots. The largest significant 
  waves will be 14 feet with a potential maximum wave height of 
  20 feet.

* WHERE...Portions of Lake Huron. 

* WHEN...The maximum winds are expected around 10 PM EDT 
  Wednesday with the largest waves expected around 10 PM EDT 
  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.

&&

$$

KK
759 
WHUS73 KDTX 221937
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
337 PM EDT Wed Sep 22 2021

LCZ460-LEZ444-230600-
/O.CON.KDTX.GL.W.0014.000000T0000Z-210923T0600Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
337 PM EDT Wed Sep 22 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 2 AM EDT THURSDAY...

* WHAT...Expect sustained winds up to 30 knots from the north 
  with gusts up to 44 knots. The largest significant waves will 
  be 4 feet with a potential maximum wave height of 7 feet.

* WHERE...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 7 PM EDT 
  Wednesday with the largest waves expected around 7 PM EDT 
  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.

&&

$$

LHZ361>363-421-422-441>443-462>464-230830-
/O.CON.KDTX.GL.W.0014.000000T0000Z-210923T1200Z/
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-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron 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-
337 PM EDT Wed Sep 22 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THURSDAY...

* WHAT...Expect sustained winds up to 36 knots from the 
  northeast with gusts up to 47 knots. The largest significant 
  waves will be 14 feet with a potential maximum wave height of 
  20 feet.

* WHERE...Portions of Lake Huron. 

* WHEN...The maximum winds are expected around 10 PM EDT 
  Wednesday with the largest waves expected around 10 PM EDT 
  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.

&&

$$

KK
892 
WHUS73 KDTX 230045
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
845 PM EDT Wed Sep 22 2021

LHZ441>443-231200-
/O.UPG.KDTX.GL.W.0014.000000T0000Z-210923T1200Z/
/O.NEW.KDTX.SR.W.0001.210923T0045Z-210923T1200Z/
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
845 PM EDT Wed Sep 22 2021

...STORM WARNING IN EFFECT UNTIL 8 AM EDT THURSDAY...

* WHAT...Expect sustained winds up to 40 knots from the northeast
  with gusts around 50 knots. The largest significant waves will 
  be 15 feet with a potential maximum wave height of 22 feet.

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

* WHEN...The maximum winds and waves are expected during the 
  evening.

* 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-LEZ444-230600-
/O.CON.KDTX.GL.W.0014.000000T0000Z-210923T0600Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
845 PM EDT Wed Sep 22 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 2 AM EDT THURSDAY...

* WHAT...Expect sustained winds up to 30 knots from the north with
  gusts up to 45 knots. The largest significant waves will be 4
  feet with a potential maximum wave height of 7 feet on Lake
  Erie. 

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

* WHEN...The maximum winds and waves are expected during the
  evening. 

* 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>363-421-422-462>464-231200-
/O.CON.KDTX.GL.W.0014.000000T0000Z-210923T1200Z/
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-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-
845 PM EDT Wed Sep 22 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THURSDAY...

* WHAT...Expect sustained winds up to 36 knots from the 
  northeast with gusts up to 47 knots. The largest significant 
  waves will be 14 feet with a potential maximum wave height of 
  20 feet.

* WHERE...All Lake Huron open waters.

* WHEN...The maximum winds and waves are expected during the
  evening. 

* 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.

&&

$$

BT
232 
WHUS73 KDTX 230546
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
146 AM EDT Thu Sep 23 2021

LHZ441>443-231200-
/O.CAN.KDTX.SR.W.0001.000000T0000Z-210923T1200Z/
/O.EXA.KDTX.GL.W.0014.000000T0000Z-210923T1200Z/
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
146 AM EDT Thu Sep 23 2021

...GALE WARNING IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...STORM WARNING IS CANCELLED...

* WHAT...Expect sustained winds up to 34 knots from the 
  northeast with gusts up to 46 knots. The largest significant 
  waves will be 16 feet with a potential maximum wave height of 
  23 feet.

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

* WHEN...The maximum winds are expected around 1 AM EDT Thursday 
  with the largest waves expected around 1 AM EDT 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-LEZ444-230700-
/O.EXP.KDTX.GL.W.0014.000000T0000Z-210923T0600Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
146 AM EDT Thu Sep 23 2021

...GALE WARNING WILL EXPIRE AT 2 AM EDT EARLY THIS MORNING...

Winds have begun to weaken late tonight with most gusts now
falling below gales. While an occasional gust to low end gales
will be possible over the next couple hours however the main gale
threat has passed.

$$

LHZ361>363-421-422-462>464-231200-
/O.CON.KDTX.GL.W.0014.000000T0000Z-210923T1200Z/
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-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-
146 AM EDT Thu Sep 23 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

* WHAT...Expect sustained winds up to 35 knots from the 
  northeast with gusts up to 43 knots. The largest significant 
  waves will be 15 feet with a potential maximum wave height of 
  22 feet.

* WHERE...Portions of Lake Huron. 

* WHEN...The maximum winds are expected around 1 AM EDT Thursday 
  with the largest waves expected around 1 AM EDT 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.

&&

$$
137 
WHUS73 KDTX 230738
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
338 AM EDT Thu Sep 23 2021

LHZ441>443-232015-
/O.CON.KDTX.GL.W.0014.000000T0000Z-210923T1200Z/
/O.NEW.KDTX.SC.Y.0056.210923T1200Z-210924T0200Z/
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
338 AM EDT Thu Sep 23 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 10 PM
EDT THIS EVENING...

* WHAT...During the Gale Warning, expect sustained winds up to 
  32 knots from the northeast with gusts up to 42 knots. The 
  largest significant waves will be 15 feet with a potential 
  maximum wave height of 22 feet. During the Small Craft 
  Advisory, expect sustained winds up to 22 knots from the 
  southeast with gusts up to 31 knots. The largest significant 
  waves will be 11 feet with a potential maximum wave height of 
  16 feet.

* WHERE...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 3 AM EDT Thursday with the largest waves expected 
  around 3 AM EDT Thursday. During the Small Craft Advisory, the 
  maximum winds are expected around 8 AM EDT Thursday with the 
  largest waves expected around 8 AM EDT 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.

&&

$$

LHZ421-232015-
/O.CON.KDTX.GL.W.0014.000000T0000Z-210923T1200Z/
/O.NEW.KDTX.SC.Y.0056.210923T1200Z-210924T0200Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
338 AM EDT Thu Sep 23 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 10 PM
EDT THIS EVENING...

* WHAT...During the Gale Warning, expect sustained winds up to 
  35 knots from the northeast with gusts up to 43 knots. The 
  largest significant waves will be 14 feet with a potential 
  maximum wave height of 20 feet. During the Small Craft 
  Advisory, expect sustained winds up to 29 knots from the 
  northeast with gusts up to 37 knots. The largest significant 
  waves will be 12 feet with a potential maximum wave height of 
  17 feet.

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

* WHEN...During the Gale Warning, the maximum winds are expected 
  around 3 AM EDT Thursday with the largest waves expected 
  around 4 AM EDT Thursday. During the Small Craft Advisory, the 
  maximum winds are expected around 8 AM EDT Thursday with the 
  largest waves expected around 8 AM EDT 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.

&&

$$

LHZ422-232000-
/O.CON.KDTX.GL.W.0014.000000T0000Z-210923T1200Z/
/O.NEW.KDTX.SC.Y.0056.210923T1200Z-210923T2000Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
338 AM EDT Thu Sep 23 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 4 PM
EDT THIS AFTERNOON...

* WHAT...During the Gale Warning, expect sustained winds up to 
  34 knots from the northeast with gusts up to 44 knots. The 
  largest significant waves will be 6 feet with a potential 
  maximum wave height of 8 feet. During the Small Craft 
  Advisory, expect sustained winds up to 28 knots from the 
  northeast with gusts up to 38 knots. The largest significant 
  waves will be 5 feet with a potential maximum wave height of 7 
  feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...During the Gale Warning, the maximum winds are expected 
  around 3 AM EDT Thursday with the largest waves expected 
  around 4 AM EDT Thursday. During the Small Craft Advisory, the 
  maximum winds are expected around 8 AM EDT Thursday with the 
  largest waves expected around 8 AM EDT 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>363-462>464-231200-
/O.CON.KDTX.GL.W.0014.000000T0000Z-210923T1200Z/
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-
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-
338 AM EDT Thu Sep 23 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

* WHAT...Expect sustained winds up to 34 knots from the 
  northeast with gusts up to 40 knots. The largest significant 
  waves will be 14 feet with a potential maximum wave height of 
  20 feet.

* WHERE...Portions of Lake Huron. 

* WHEN...The maximum winds are expected around 4 AM EDT Thursday 
  with the largest waves expected around 3 AM EDT 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.

&&

$$
471 
WHUS73 KDTX 231136
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
736 AM EDT Thu Sep 23 2021

LHZ441>443-232345-
/O.EXT.KDTX.GL.W.0014.000000T0000Z-210923T1600Z/
/O.EXT.KDTX.SC.Y.0056.210923T1600Z-210924T0200Z/
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
736 AM EDT Thu Sep 23 2021

...GALE WARNING NOW IN EFFECT UNTIL NOON EDT TODAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM NOON TODAY TO 10 PM
EDT THIS EVENING...

* WHAT...During the Gale Warning, expect sustained winds up to 
  25 knots from the east with gusts up to 34 knots. The largest 
  significant waves will be 12 feet with a potential maximum 
  wave height of 17 feet. During the Small Craft Advisory, 
  expect sustained winds up to 17 knots from the southeast with 
  gusts up to 20 knots. The largest significant waves will be 7 
  feet with a potential maximum wave height of 10 feet.

* WHERE...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 7 AM EDT Thursday with the largest waves expected 
  around 7 AM EDT Thursday. During the Small Craft Advisory, the 
  maximum winds are expected around 12 PM EDT Thursday with the 
  largest waves expected around 12 PM EDT 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.

&&

$$

LHZ421-232345-
/O.EXT.KDTX.GL.W.0014.000000T0000Z-210923T1600Z/
/O.EXT.KDTX.SC.Y.0056.210923T1600Z-210924T0200Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
736 AM EDT Thu Sep 23 2021

...GALE WARNING NOW IN EFFECT UNTIL NOON EDT TODAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM NOON TODAY TO 10 PM
EDT THIS EVENING...

* WHAT...During the Gale Warning, expect sustained winds up to 
  31 knots from the northeast with gusts up to 38 knots. The 
  largest significant waves will be 13 feet with a potential 
  maximum wave height of 19 feet. During the Small Craft 
  Advisory, expect sustained winds up to 18 knots from the 
  northeast with gusts up to 22 knots. The largest significant 
  waves will be 9 feet with a potential maximum wave height of 
  13 feet.

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

* WHEN...During the Gale Warning, the maximum winds are expected 
  around 7 AM EDT Thursday with the largest waves expected 
  around 7 AM EDT Thursday. During the Small Craft Advisory, the 
  maximum winds are expected around 12 PM EDT Thursday with the 
  largest waves expected around 12 PM EDT 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.

&&

$$

LHZ422-232000-
/O.EXT.KDTX.GL.W.0014.000000T0000Z-210923T1600Z/
/O.EXT.KDTX.SC.Y.0056.210923T1600Z-210923T2000Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
736 AM EDT Thu Sep 23 2021

...GALE WARNING NOW IN EFFECT UNTIL NOON EDT TODAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM NOON TODAY TO 4 PM EDT
THIS AFTERNOON...

* WHAT...During the Gale Warning, expect sustained winds up to 
  31 knots from the northeast 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 17 knots from the 
  northeast with gusts up to 23 knots. The largest significant 
  waves will be 3 feet with a potential maximum wave height of 4 
  feet.

* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI.

* WHEN...During the Gale Warning, the maximum winds are expected 
  around 7 AM EDT Thursday with the largest waves expected 
  around 7 AM EDT Thursday. During the Small Craft Advisory, the 
  maximum winds are expected around 12 PM EDT Thursday with the 
  largest waves expected around 12 PM EDT 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>363-462>464-231600-
/O.EXT.KDTX.GL.W.0014.000000T0000Z-210923T1600Z/
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-
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-
736 AM EDT Thu Sep 23 2021

...GALE WARNING NOW IN EFFECT UNTIL NOON EDT TODAY...

* WHAT...Expect sustained winds up to 30 knots from the 
  northeast with gusts up to 36 knots. The largest significant 
  waves will be 13 feet with a potential maximum wave height of 
  19 feet.

* WHERE...Portions of Lake Huron. 

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

&&

$$
830 
WHUS73 KDTX 231403
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
1003 AM EDT Thu Sep 23 2021

LHZ421-441>443-240200-
/O.CAN.KDTX.GL.W.0014.000000T0000Z-210923T1600Z/
/O.EXT.KDTX.SC.Y.0056.210923T1403Z-210924T0200Z/
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-
1003 AM EDT Thu Sep 23 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EDT THIS
EVENING...
...GALE WARNING IS CANCELLED...

* WHAT...Expect sustained winds up to 23 knots from the east 
  with gusts up to 31 knots. The largest significant waves will 
  be 10 feet with a potential maximum wave height of 14 feet.

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

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

&&

$$

LHZ422-232000-
/O.CAN.KDTX.GL.W.0014.000000T0000Z-210923T1600Z/
/O.EXT.KDTX.SC.Y.0056.210923T1403Z-210923T2000Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1003 AM EDT Thu Sep 23 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...
...GALE WARNING IS CANCELLED...

* WHAT...Expect sustained winds up to 23 knots from the 
  northeast with gusts up to 31 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.

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

&&

$$

LHZ462>464-231515-
/O.CAN.KDTX.GL.W.0014.000000T0000Z-210923T1600Z/
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-
1003 AM EDT Thu Sep 23 2021

...GALE WARNING IS CANCELLED...

Winds have dropped below 25 knots, therefore the gale warning has
been cancelled.

$$

LHZ361>363-231600-
/O.CON.KDTX.GL.W.0014.000000T0000Z-210923T1600Z/
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-
1003 AM EDT Thu Sep 23 2021

...GALE WARNING REMAINS IN EFFECT UNTIL NOON EDT TODAY...

* WHAT...Expect sustained winds up to 27 knots from the 
  northeast with gusts up to 35 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, Lake Huron from Sturgeon Point 
  to Alabaster MI beyond 5NM off shore and Lake Huron from 
  Presque Isle Light to Sturgeon Point MI beyond 5NM off shore.

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

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 21, 3:08 AM EDTFlood WatchDTXGenesee, Huron, Lapeer, Lenawee, Livingston, Macomb and 9 more48 hr
Sep 21, 4:33 AM EDTGale WatchDTX11 hr
Sep 21, 3:36 PM EDTLakeshore Flood AdvisoryDTXBay, Huron, Saint Clair, Sanilac, Tuscola44 hr
Sep 21, 5:33 PM EDTSpecial Weather StatementDTXMacomb, Oakland57 min
Sep 21, 6:32 PM EDTSpecial Weather StatementDTXMacomb, Saint Clair58 min

Nearby

Gale Warnings in Michigan, 2021Every gale 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.