Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
661
WHUS73 KDTX 271958
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
258 PM EST Thu Nov 27 2025

LEZ444-280915-
/O.CAN.KDTX.GL.W.0026.000000T0000Z-251128T0900Z/
/O.NEW.KDTX.SC.Y.0088.251127T2000Z-251128T2100Z/
/O.CON.KDTX.LO.Y.0009.000000T0000Z-251128T0900Z/
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
258 PM EST Thu Nov 27 2025

...LOW WATER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST FRIDAY...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST FRIDAY...
...GALE WARNING IS CANCELLED...

* WHAT...During the Low Water Advisory, abnormally low water
  levels. During the Small Craft Advisory, expect sustained
  winds up to 23 knots from the west with gusts up to 31 knots.
  The largest significant waves will be 3 feet with a potential
  maximum wave height of 4 feet.

* WHERE...Michigan Waters of Lake Erie from Detroit River to
  North Cape MI.

* WHEN...During the Low Water Advisory, the maximum winds are
  expected around 2 PM EST Thursday with the largest waves
  expected around 2 PM EST Thursday. During the Small Craft
  Advisory, the maximum winds are expected around 3 PM EST
  Thursday with the largest waves expected around 3 PM EST
  Thursday.

* IMPACTS...Conditions will be hazardous to small craft. Below
  normal water levels will result in hazardous navigating
  conditions.

* ADDITIONAL DETAILS...West winds have resulted in low water on
  the western basin of Lake Erie. As of 2:30 PM EST, the water
  level at Toledo was 4 inches above low water datum. The critical
  mark for safe naviation is 5 inches below low water datum. The
  water level is expected to lower to near the critical mark this
  evening into early tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

Mariners should navigate shallow waters with extreme caution due
to below normal water levels.

&&

$$

LCZ460-280915-
/O.CAN.KDTX.GL.W.0026.000000T0000Z-251128T0900Z/
/O.NEW.KDTX.SC.Y.0088.251127T2000Z-251128T2100Z/
Lake St Clair-
258 PM EST Thu Nov 27 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST FRIDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Expect sustained winds up to 22 knots from the west
  with gusts up to 32 knots. The largest significant waves will
  be 3 feet with a potential maximum wave height of 4 feet.

* WHERE...Lake St Clair.

* WHEN...The maximum winds are expected around 3 PM EST Thursday
  with the largest waves expected around 7 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.

&&

$$

LHZ361-362-280915-
/O.CON.KDTX.GL.W.0026.000000T0000Z-251128T1200Z/
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-
258 PM EST Thu Nov 27 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY...

* WHAT...Expect sustained winds up to 31 knots from the
  northwest with gusts up to 38 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 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 hazardous conditions.

&&

$$

LHZ363-462-280915-
/O.CON.KDTX.GL.W.0026.000000T0000Z-251128T1500Z/
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
258 PM EST Thu Nov 27 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST FRIDAY...

* WHAT...Expect sustained winds up to 31 knots from the
  northwest with gusts up to 37 knots. The largest significant
  waves will be 14 feet with a potential maximum wave height of
  20 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 1 AM EST Friday
  with the largest waves expected around 9 AM EST Friday.

* 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.

&&

$$

LHZ421-422-441-280915-
/O.CON.KDTX.GL.W.0026.000000T0000Z-251128T1500Z/
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-
258 PM EST Thu Nov 27 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST FRIDAY...

* WHAT...Expect sustained winds up to 28 knots from the
  northwest with gusts up to 36 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 and Port Austin to Harbor Beach MI.

* WHEN...The maximum winds are expected around 3 PM EST Thursday
  with the largest waves expected around 8 AM EST Friday.

* 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.

&&

$$

LHZ442-443-463-464-280915-
/O.CON.KDTX.GL.W.0026.000000T0000Z-251128T1500Z/
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-
258 PM EST Thu Nov 27 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST FRIDAY...

* WHAT...Expect sustained winds up to 30 knots from the west
  with gusts up to 37 knots. The largest significant waves will
  be 12 feet with a potential maximum wave height of 17 feet.

* WHERE...Harbor Beach to Port Sanilac MI, Port Sanilac to Port
  Huron MI, 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 1 AM EST Friday
  with the largest waves expected around 1 AM EST Friday.

* 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.

&&

$$