Marine Weather Message
Issued by NWS Detroit/Pontiac, MI

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505
WHUS73 KDTX 071916
MWWDTX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
316 PM EDT Mon Apr 7 2025

LHZ361-080200-
/O.CON.KDTX.GL.W.0016.000000T0000Z-250408T0200Z/
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
316 PM EDT Mon Apr 7 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EDT THIS EVENING...

* WHAT...Expect sustained winds up to 24 knots from the
  northwest with gusts up to 35 knots. The largest significant
  waves will be 6 feet with a potential maximum wave height of 8
  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 3 PM EDT Monday
  with the largest waves expected around 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.

&&

$$

LHZ362-363-080500-
/O.CON.KDTX.GL.W.0016.000000T0000Z-250408T0500Z/
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-
316 PM EDT Mon Apr 7 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EDT TUESDAY...

* WHAT...Expect sustained winds up to 30 knots from the northwest
  with gusts up to 40 knots. The largest significant waves will
  be 11 feet with a potential maximum wave height of 16 feet.

* WHERE...Lake Huron from Presque Isle Light to Sturgeon Point
  MI beyond 5NM off shore and Lake Huron from Sturgeon Point to
  Alabaster MI beyond 5NM off shore.

* WHEN...The maximum winds are expected around 3 PM EDT Monday
  with the largest waves expected around 6 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.

&&

$$

LHZ462>464-080500-
/O.CON.KDTX.GL.W.0016.000000T0000Z-250408T0500Z/
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-
316 PM EDT Mon Apr 7 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EDT TUESDAY...

* WHAT...Expect sustained winds up to 27 knots from the northwest
  with gusts up to 38 knots. The largest significant waves will
  be 11 feet with a potential maximum wave height of 16 feet.

* WHERE...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 6 PM EDT Monday
  with the largest waves expected around 7 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.

&&

$$

LHZ441-080400-
/O.CON.KDTX.GL.W.0016.000000T0000Z-250408T0400Z/
Port Austin to Harbor Beach MI-
316 PM EDT Mon Apr 7 2025

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

* WHAT...Expect sustained winds up to 26 knots from the northwest
  with gusts up to 40 knots. The largest significant waves will
  be 9 feet with a potential maximum wave height of 13 feet.

* WHERE...Port Austin to Harbor Beach MI.

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

&&

$$

LHZ421-422-080730-
/O.CON.KDTX.SC.Y.0029.000000T0000Z-250408T1600Z/
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-
316 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT
TUESDAY...

* WHAT...Expect sustained winds up to 25 knots from the
  northwest with gusts up to 33 knots. The largest significant
  waves will be 6 feet with a potential maximum wave height of 8
  feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to
  Inner Saginaw Bay and Inner Saginaw Bay SW of Point Au Gres to
  Bay Port MI.

* WHEN...The maximum winds are expected around 3 PM EDT Monday
  with the largest waves expected around 11 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ442-443-080730-
/O.CON.KDTX.SC.Y.0029.000000T0000Z-250408T1600Z/
Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI-
316 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT
TUESDAY...

* WHAT...Expect sustained winds up to 23 knots from the
  northwest with gusts up to 34 knots. The largest significant
  waves will be 6 feet with a potential maximum wave height of 8
  feet.

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

* WHEN...The maximum winds are expected around 4 PM EDT Monday
  with the largest waves expected around 11 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LCZ460-LEZ444-080730-
/O.CON.KDTX.SC.Y.0029.000000T0000Z-250408T0800Z/
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
316 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT
TUESDAY...

* WHAT...Expect sustained winds up to 19 knots from the
  northwest with gusts up to 29 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 11 PM EDT Monday
  with the largest waves expected around 11 PM EDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$