Alert archive / Michigan / Small Craft Advisories in 2021

Small Craft Advisory 20, NWS Gaylord, MI

February 21, 2021

NWS Gaylord, MI issued this small craft advisory at Feb 21, 2021, 3:26 AM EST. It took effect at Feb 21, 2021, 10:00 AM EST. It was in force for 54 hr.

The area

The counties it named.

The facts

Issued
Feb 21, 2021, 3:26 AM EST (08:26 UTC)
In effect from
Feb 21, 2021, 10:00 AM EST
Expired
Feb 23, 2021, 4:17 PM EST
In force
54 hr
Issued by
NWS Gaylord, MI

The text

As transmitted.

361 
WHUS73 KAPX 210826
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
326 AM EST Sun Feb 21 2021

LMZ345-346-211630-
/O.NEW.KAPX.SC.Y.0020.210221T1500Z-210222T0900Z/
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
326 AM EST Sun Feb 21 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 4 AM
EST MONDAY...

* WHAT...Highest gusts up to 25 kt from the southeast and 
  highest waves around 4 feet expected.

* WHERE...Point Betsie to Sleeping Bear Point MI and Manistee to 
  Point Betsie MI.

* WHEN...From 10 AM this morning to 4 AM EST 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.

&&

$$

LMZ323-342-344-211630-
/O.NEW.KAPX.SC.Y.0020.210221T2300Z-210222T0900Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
326 AM EST Sun Feb 21 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 4 AM
EST MONDAY...

* WHAT...Highest gusts up to 25 kt from the southeast and 
  highest waves around 3 feet expected.

* WHERE...Grand Traverse Bay south of a line Grand Traverse 
  Light to Norwood MI, Norwood MI to 5NM West of Mackinac Bridge 
  including Little Traverse Bay and Sleeping Bear Point to Grand 
  Traverse Light MI.

* WHEN...From 6 PM this evening to 4 AM EST 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.

&&

$$

LHZ346>349-211630-
/O.NEW.KAPX.SC.Y.0020.210221T1800Z-210222T0900Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
326 AM EST Sun Feb 21 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
4 AM EST MONDAY...

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 7 feet expected.

* WHERE...St Ignace to False Detour Channel, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island, Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.

* WHEN...From 1 PM this afternoon to 4 AM EST 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.

&&

$$
12 follow-up statements
995 
WHUS73 KAPX 210833
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
333 AM EST Sun Feb 21 2021

LMZ345-346-211645-
/O.EXT.KAPX.SC.Y.0020.210221T1500Z-210223T0900Z/
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
333 AM EST Sun Feb 21 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 AM THIS MORNING TO
4 AM EST TUESDAY...

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 7 feet expected.

* WHERE...Manistee to Point Betsie MI and Point Betsie to 
  Sleeping Bear Point MI.

* WHEN...From 10 AM this morning to 4 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ323-342-344-211645-
/O.EXT.KAPX.SC.Y.0020.210221T2300Z-210223T0900Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
333 AM EST Sun Feb 21 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO
4 AM EST TUESDAY...

* WHAT...Highest gusts up to 30 kt from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Grand Traverse Bay south of a line Grand Traverse 
  Light to Norwood MI, Sleeping Bear Point to Grand Traverse 
  Light MI and Norwood MI to 5NM West of Mackinac Bridge 
  including Little Traverse Bay.

* WHEN...From 6 PM this evening to 4 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ346-349-211645-
/O.EXT.KAPX.SC.Y.0020.210221T1800Z-210223T0900Z/
St Ignace to False Detour Channel-Sturgeon Pt to Alabaster MI-
333 AM EST Sun Feb 21 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO
4 AM EST TUESDAY...

* WHAT...Highest gusts up to 30 kt from the south expected.

* WHERE...Sturgeon Pt to Alabaster MI and St Ignace to False 
  Detour Channel.

* WHEN...From 1 PM this afternoon to 4 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ347-348-211645-
/O.CON.KAPX.SC.Y.0020.210221T1800Z-210222T0900Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
333 AM EST Sun Feb 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 4 AM EST MONDAY...

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 7 feet expected.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...From 1 PM this afternoon to 4 AM EST 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.

&&

$$
685 
WHUS73 KAPX 211546
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1046 AM EST Sun Feb 21 2021

LMZ345-346-220000-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T0900Z/
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1046 AM EST Sun Feb 21 2021

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

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 7 feet.

* WHERE...Manistee to Point Betsie MI and Point Betsie to 
  Sleeping Bear Point MI.

* WHEN...Until 4 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ323-342-344-220000-
/O.CON.KAPX.SC.Y.0020.210221T2300Z-210223T0900Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
1046 AM EST Sun Feb 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 4 AM EST TUESDAY...

* WHAT...Highest gusts up to 30 kt from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Grand Traverse Bay south of a line Grand Traverse 
  Light to Norwood MI, Sleeping Bear Point to Grand Traverse 
  Light MI and Norwood MI to 5NM West of Mackinac Bridge 
  including Little Traverse Bay.

* WHEN...From 6 PM this evening to 4 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ347-348-220000-
/O.CON.KAPX.SC.Y.0020.210221T1800Z-210222T0900Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1046 AM EST Sun Feb 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY...

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 8 feet expected.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 AM EST 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.

&&

$$

LHZ346-349-220000-
/O.CON.KAPX.SC.Y.0020.210221T1800Z-210223T0900Z/
St Ignace to False Detour Channel-Sturgeon Pt to Alabaster MI-
1046 AM EST Sun Feb 21 2021

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

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 3 feet expected.

* WHERE...Sturgeon Pt to Alabaster MI and St Ignace to False 
  Detour Channel.

* WHEN...Until 4 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
872 
WHUS73 KAPX 212018
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
318 PM EST Sun Feb 21 2021

LMZ345-346-220600-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T0900Z/
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
318 PM EST Sun Feb 21 2021

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

* WHAT...Highest gusts up to 30 kt from the southwest and 
  highest waves around 8 feet.

* WHERE...Manistee to Point Betsie MI and Point Betsie to 
  Sleeping Bear Point MI.

* WHEN...Until 4 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ323-342-344-220600-
/O.CON.KAPX.SC.Y.0020.210221T2300Z-210223T0900Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
318 PM EST Sun Feb 21 2021

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

* WHAT...Highest gusts up to 30 kt from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Grand Traverse Bay south of a line Grand Traverse 
  Light to Norwood MI, Sleeping Bear Point to Grand Traverse 
  Light MI and Norwood MI to 5NM West of Mackinac Bridge 
  including Little Traverse Bay.

* WHEN...Until 4 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ347-348-220600-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210222T0900Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
318 PM EST Sun Feb 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY...

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 7 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 AM EST 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.

&&

$$

LHZ346-349-220600-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T0900Z/
St Ignace to False Detour Channel-Sturgeon Pt to Alabaster MI-
318 PM EST Sun Feb 21 2021

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

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 5 feet.

* WHERE...Sturgeon Pt to Alabaster MI and St Ignace to False 
  Detour Channel.

* WHEN...Until 4 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
614 
WHUS73 KAPX 220200
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
900 PM EST Sun Feb 21 2021

LMZ345-346-221000-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T0900Z/
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
900 PM EST Sun Feb 21 2021

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

* WHAT...Highest gusts up to 30 kt from the southwest and 
  highest waves around 8 feet.

* WHERE...Manistee to Point Betsie MI and Point Betsie to 
  Sleeping Bear Point MI.

* WHEN...Until 4 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ323-342-344-221000-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T0900Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
900 PM EST Sun Feb 21 2021

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

* WHAT...Highest gusts up to 30 kt from the southwest and 
  highest waves around 6 feet.

* WHERE...Grand Traverse Bay south of a line Grand Traverse 
  Light to Norwood MI, Sleeping Bear Point to Grand Traverse 
  Light MI and Norwood MI to 5NM West of Mackinac Bridge 
  including Little Traverse Bay.

* WHEN...Until 4 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ347-348-220900-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210222T0900Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
900 PM EST Sun Feb 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY...

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 7 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 AM EST 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.

&&

$$

LHZ346-349-221000-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T0900Z/
St Ignace to False Detour Channel-Sturgeon Pt to Alabaster MI-
900 PM EST Sun Feb 21 2021

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

* WHAT...Highest gusts up to 25 kt from the southwest and 
  highest waves around 5 feet.

* WHERE...Sturgeon Pt to Alabaster MI and St Ignace to False 
  Detour Channel.

* WHEN...Until 4 AM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
077 
WHUS73 KAPX 220809
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
309 AM EST Mon Feb 22 2021

LMZ341-221615-
/O.EXB.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
309 AM EST Mon Feb 22 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST TUESDAY...

* WHAT...Highest gusts up to 30 kt from the west and highest 
  waves around 7 feet.

* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge.

* WHEN...Until 6 PM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ345-221615-
/O.EXB.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
309 AM EST Mon Feb 22 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST TUESDAY...

* WHAT...Highest gusts up to 30 kt from the west.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...Until 6 PM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ323-342-344>346-221615-
/O.EXT.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
309 AM EST Mon Feb 22 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM EST TUESDAY...

* WHAT...Highest gusts up to 30 kt from the west and highest 
  waves around 8 feet.

* WHERE...Grand Traverse Bay south of a line Grand Traverse 
  Light to Norwood MI, Norwood MI to 5NM West of Mackinac Bridge 
  including Little Traverse Bay, Manistee to Point Betsie MI, 
  Sleeping Bear Point to Grand Traverse Light MI and Point 
  Betsie to Sleeping Bear Point MI.

* WHEN...Until 6 PM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ346>349-221615-
/O.EXT.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
309 AM EST Mon Feb 22 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM EST TUESDAY...

* WHAT...Highest gusts up to 30 kt from the west and highest 
  waves around 7 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary, 5NM East of Mackinac Bridge to 
  Presque Isle Light MI including Bois Blanc Island, Sturgeon Pt 
  to Alabaster MI and St Ignace to False Detour Channel.

* WHEN...Until 6 PM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
727 
WHUS73 KAPX 221609
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1109 AM EST Mon Feb 22 2021

LMZ323-341-342-344>346-230000-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1109 AM EST Mon Feb 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST
TUESDAY...

* WHAT...Highest gusts up to 30 kt from the west and highest 
  waves around 8 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 6 PM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ345>349-230000-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1109 AM EST Mon Feb 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST
TUESDAY...

* WHAT...Highest gusts up to 30 kt from the west and highest 
  waves around 6 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary, 5NM East of Mackinac Bridge to 
  Presque Isle Light MI including Bois Blanc Island, Sturgeon Pt 
  to Alabaster MI, Straits of Mackinac within 5 nm of Mackinac 
  Bridge including Mackinac Island and St Ignace to False Detour 
  Channel.

* WHEN...Until 6 PM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
892 
WHUS73 KAPX 222020
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
320 PM EST Mon Feb 22 2021

LMZ323-341-342-344>346-230600-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
320 PM EST Mon Feb 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST
TUESDAY...

* WHAT...Highest gusts up to 30 kt from the west and highest 
  waves around 9 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 6 PM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ345>349-230600-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
320 PM EST Mon Feb 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST
TUESDAY...

* WHAT...Highest gusts up to 30 kt from the west and highest 
  waves around 6 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary, 5NM East of Mackinac Bridge to 
  Presque Isle Light MI including Bois Blanc Island, Sturgeon Pt 
  to Alabaster MI, Straits of Mackinac within 5 nm of Mackinac 
  Bridge including Mackinac Island and St Ignace to False Detour 
  Channel.

* WHEN...Until 6 PM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
442 
WHUS73 KAPX 230200
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
900 PM EST Mon Feb 22 2021

LMZ323-341-342-344>346-231000-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
900 PM EST Mon Feb 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST
TUESDAY...

* WHAT...Highest gusts up to 30 kt from the west and highest 
  waves around 9 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 6 PM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ345>349-231000-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
900 PM EST Mon Feb 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST
TUESDAY...

* WHAT...Highest gusts up to 30 kt from the west and highest 
  waves around 6 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary, 5NM East of Mackinac Bridge to 
  Presque Isle Light MI including Bois Blanc Island, Sturgeon Pt 
  to Alabaster MI, Straits of Mackinac within 5 nm of Mackinac 
  Bridge including Mackinac Island and St Ignace to False Detour 
  Channel.

* WHEN...Until 6 PM EST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
855 
WHUS73 KAPX 230817
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
317 AM EST Tue Feb 23 2021

LHZ349-230930-
/O.CAN.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Sturgeon Pt to Alabaster MI-
317 AM EST Tue Feb 23 2021

...SMALL CRAFT ADVISORY IS CANCELLED...


$$

LMZ323-341-342-344>346-231630-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
317 AM EST Tue Feb 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 25 kt from the west and highest 
  waves around 7 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 6 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ345>348-231630-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
317 AM EST Tue Feb 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 30 kt from the west and highest 
  waves around 5 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary, 5NM East of Mackinac Bridge to 
  Presque Isle Light MI including Bois Blanc Island, Straits of 
  Mackinac within 5 nm of Mackinac Bridge including Mackinac 
  Island and St Ignace to False Detour Channel.

* WHEN...Until 6 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
950 
WHUS73 KAPX 231542
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1042 AM EST Tue Feb 23 2021

LMZ323-341-342-344>346-232300-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1042 AM EST Tue Feb 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 25 kt from the west and highest 
  waves around 6 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 6 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ345>348-232300-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1042 AM EST Tue Feb 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 30 kt from the west and highest 
  waves around 5 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary, 5NM East of Mackinac Bridge to 
  Presque Isle Light MI including Bois Blanc Island, Straits of 
  Mackinac within 5 nm of Mackinac Bridge including Mackinac 
  Island and St Ignace to False Detour Channel.

* WHEN...Until 6 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
264 
WHUS73 KAPX 232015
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
315 PM EST Tue Feb 23 2021

LMZ323-341-342-344>346-232300-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
315 PM EST Tue Feb 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...

* WHAT...Highest waves around 4 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 6 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ345>348-232300-
/O.CON.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
315 PM EST Tue Feb 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 25 kt from the west and highest 
  waves around 5 feet.

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary, 5NM East of Mackinac Bridge to 
  Presque Isle Light MI including Bois Blanc Island, Straits of 
  Mackinac within 5 nm of Mackinac Bridge including Mackinac 
  Island and St Ignace to False Detour Channel.

* WHEN...Until 6 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
521 
WHUS73 KAPX 232117
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
417 PM EST Tue Feb 23 2021

LMZ323-341-342-344>346-240700-
/O.CAN.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
/O.NEW.KAPX.SC.Y.0021.210224T1200Z-210225T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
417 PM EST Tue Feb 23 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 7 PM EST
WEDNESDAY...

* WHAT...Highest gusts up to 30 kt from the northwest and 
  highest waves around 6 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 7 AM to 7 PM EST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ345>348-240700-
/O.CAN.KAPX.SC.Y.0020.000000T0000Z-210223T2300Z/
/O.NEW.KAPX.SC.Y.0021.210224T1800Z-210225T0500Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
417 PM EST Tue Feb 23 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM WEDNESDAY TO MIDNIGHT
EST WEDNESDAY NIGHT...

* WHAT...Highest gusts up to 30 kt from the northwest and 
  highest waves around 6 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...From 1 PM Wednesday to midnight EST Wednesday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ349-240700-
/O.NEW.KAPX.SC.Y.0021.210224T1800Z-210225T0500Z/
Sturgeon Pt to Alabaster MI-
417 PM EST Tue Feb 23 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM WEDNESDAY TO MIDNIGHT
EST WEDNESDAY NIGHT...

* WHAT...Highest gusts up to 25 kt from the northwest and 
  highest waves around 3 feet expected.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...From 1 PM Wednesday to midnight EST Wednesday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Nearby

Small Craft Advisories in Michigan, 2021Every small craft advisory 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.