Alert archive / Michigan / Small Craft Advisories in 2021

Small Craft Advisory 85, NWS Gaylord, MI

September 13, 2021

NWS Gaylord, MI issued this small craft advisory at Sep 13, 2021, 3:00 AM EDT. It took effect at Sep 14, 2021, 5:00 AM EDT. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Sep 13, 2021, 3:00 AM EDT (07:00 UTC)
In effect from
Sep 14, 2021, 5:00 AM EDT
Expired
Sep 15, 2021, 12:00 AM EDT
In force
19 hr
Issued by
NWS Gaylord, MI

The text

As transmitted.

550 
WHUS73 KAPX 130700
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
300 AM EDT Mon Sep 13 2021

LHZ345-346-349-LMZ323-341-342-344>346-LSZ321-322-131500-
/O.NEW.KAPX.SC.Y.0085.210914T0600Z-210915T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
Sturgeon Pt to Alabaster MI-
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-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
300 AM EDT Mon Sep 13 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 8 PM EDT TUESDAY...

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 4 feet expected.

* WHERE...Portions of Lake Michigan, Lake Huron and Lake 
  Superior. 

* WHEN...From 2 AM to 8 PM EDT 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.

&&

$$

LHZ347-348-131500-
/O.NEW.KAPX.SC.Y.0085.210914T0600Z-210915T0300Z/
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-
300 AM EDT Mon Sep 13 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 11 PM EDT
TUESDAY...

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 4 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 2 AM to 11 PM EDT 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.

&&

$$
6 follow-up statements
291 
WHUS73 KAPX 131949
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
349 PM EDT Mon Sep 13 2021

LSZ321-322-140400-
/O.EXT.KAPX.SC.Y.0085.210914T0900Z-210915T0400Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
349 PM EDT Mon Sep 13 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 5 AM TUESDAY TO
MIDNIGHT EDT TUESDAY NIGHT...

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

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay and Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 5 AM Tuesday to midnight EDT Tuesday 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.

&&

$$

LMZ323-341-342-344>346-140400-
/O.EXT.KAPX.SC.Y.0085.210914T0900Z-210915T0400Z/
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-
349 PM EDT Mon Sep 13 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 5 AM TUESDAY TO
MIDNIGHT EDT TUESDAY NIGHT...

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

* WHERE...Portions of Lake Michigan. 

* WHEN...From 5 AM Tuesday to midnight EDT Tuesday 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.

&&

$$

LHZ345>348-140400-
/O.EXT.KAPX.SC.Y.0085.210914T0900Z-210915T0400Z/
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-
349 PM EDT Mon Sep 13 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 5 AM TUESDAY TO
MIDNIGHT EDT TUESDAY NIGHT...

* WHAT...Highest gusts up to 30 kt from the southwest and 
  highest waves around 4 feet expected.

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

* WHEN...From 5 AM Tuesday to midnight EDT Tuesday 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.

&&

$$

LHZ349-140400-
/O.EXT.KAPX.SC.Y.0085.210914T1600Z-210915T0400Z/
Sturgeon Pt to Alabaster MI-
349 PM EDT Mon Sep 13 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM NOON TUESDAY TO
MIDNIGHT EDT TUESDAY NIGHT...

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

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...From noon Tuesday to midnight EDT Tuesday 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.

&&

$$
175 
WHUS73 KAPX 140207
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1007 PM EDT Mon Sep 13 2021

LSZ321-322-141015-
/O.CON.KAPX.SC.Y.0085.210914T0900Z-210915T0400Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1007 PM EDT Mon Sep 13 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TUESDAY TO
MIDNIGHT EDT TUESDAY NIGHT...

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

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay and Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 5 AM Tuesday to midnight EDT Tuesday 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.

&&

$$

LMZ323-341-342-344>346-141015-
/O.CON.KAPX.SC.Y.0085.210914T0900Z-210915T0400Z/
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-
1007 PM EDT Mon Sep 13 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TUESDAY TO
MIDNIGHT EDT TUESDAY NIGHT...

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

* WHERE...Portions of Lake Michigan. 

* WHEN...From 5 AM Tuesday to midnight EDT Tuesday 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.

&&

$$

LHZ345>348-141015-
/O.CON.KAPX.SC.Y.0085.210914T0900Z-210915T0400Z/
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-
1007 PM EDT Mon Sep 13 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM TUESDAY TO
MIDNIGHT EDT TUESDAY NIGHT...

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

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

* WHEN...From 5 AM Tuesday to midnight EDT Tuesday 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.

&&

$$

LHZ349-141015-
/O.CON.KAPX.SC.Y.0085.210914T1600Z-210915T0400Z/
Sturgeon Pt to Alabaster MI-
1007 PM EDT Mon Sep 13 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TUESDAY TO
MIDNIGHT EDT TUESDAY NIGHT...

* WHAT...Highest gusts up to 30 kt from the west and highest 
  waves around 4 feet expected.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...From noon Tuesday to midnight EDT Tuesday 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.

&&

$$
677 
WHUS73 KAPX 140655
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
255 AM EDT Tue Sep 14 2021

LSZ321-322-141500-
/O.CON.KAPX.SC.Y.0085.210914T0900Z-210915T0400Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
255 AM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay and Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until midnight EDT tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ323-341-342-344>346-141500-
/O.CON.KAPX.SC.Y.0085.210914T0900Z-210915T0400Z/
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-
255 AM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

* WHERE...Portions of Lake Michigan. 

* WHEN...Until midnight EDT tonight.

* 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>348-141500-
/O.CON.KAPX.SC.Y.0085.210914T0900Z-210915T0400Z/
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-
255 AM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

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

* WHEN...Until midnight EDT tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ349-141500-
/O.CON.KAPX.SC.Y.0085.210914T1600Z-210915T0400Z/
Sturgeon Pt to Alabaster MI-
255 AM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO
MIDNIGHT EDT TONIGHT...

* WHAT...Highest gusts up to 30 kt from the west and highest 
  waves around 4 feet expected.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...From noon today to midnight EDT tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
747 
WHUS73 KAPX 141407
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1007 AM EDT Tue Sep 14 2021

LSZ321-322-142215-
/O.CON.KAPX.SC.Y.0085.000000T0000Z-210915T0400Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1007 AM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay and Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until midnight EDT tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ323-341-342-344>346-142215-
/O.CON.KAPX.SC.Y.0085.000000T0000Z-210915T0400Z/
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-
1007 AM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

* WHERE...Portions of Lake Michigan. 

* WHEN...Until midnight EDT tonight.

* 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>348-142215-
/O.CON.KAPX.SC.Y.0085.000000T0000Z-210915T0400Z/
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-
1007 AM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

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

* WHEN...Until midnight EDT tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ349-142215-
/O.CON.KAPX.SC.Y.0085.210914T1600Z-210915T0400Z/
Sturgeon Pt to Alabaster MI-
1007 AM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* WHAT...Highest gusts up to 30 kt from the west and highest 
  waves around 4 feet expected.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until midnight EDT tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
171 
WHUS73 KAPX 141942
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
342 PM EDT Tue Sep 14 2021

LSZ321-322-150345-
/O.CON.KAPX.SC.Y.0085.000000T0000Z-210915T0400Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
342 PM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay and Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until midnight EDT tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ323-341-342-344>346-150345-
/O.CON.KAPX.SC.Y.0085.000000T0000Z-210915T0400Z/
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-
342 PM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

* WHERE...Portions of Lake Michigan. 

* WHEN...Until midnight EDT tonight.

* 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>348-150345-
/O.CON.KAPX.SC.Y.0085.000000T0000Z-210915T0400Z/
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-
342 PM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

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

* WHEN...Until midnight EDT tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ349-150345-
/O.CON.KAPX.SC.Y.0085.000000T0000Z-210915T0400Z/
Sturgeon Pt to Alabaster MI-
342 PM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

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

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until midnight EDT tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
209 
WHUS73 KAPX 150207
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1007 PM EDT Tue Sep 14 2021

LSZ321-322-150400-
/O.CON.KAPX.SC.Y.0085.000000T0000Z-210915T0400Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1007 PM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* WHAT...Highest waves around 5 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay and Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until midnight EDT tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ323-341-342-344>346-150400-
/O.CON.KAPX.SC.Y.0085.000000T0000Z-210915T0400Z/
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-
1007 PM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* WHAT...Highest waves around 4 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until midnight EDT tonight.

* 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>348-150400-
/O.CON.KAPX.SC.Y.0085.000000T0000Z-210915T0400Z/
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-
1007 PM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* WHAT...Highest waves around 5 feet.

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

* WHEN...Until midnight EDT tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ349-150400-
/O.CON.KAPX.SC.Y.0085.000000T0000Z-210915T0400Z/
Sturgeon Pt to Alabaster MI-
1007 PM EDT Tue Sep 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...

* WHAT...Wind gusts to 25 knots.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until midnight EDT tonight.

* 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.