Alert archive / Michigan / Small Craft Advisories in 2021

Small Craft Advisory 121, NWS Gaylord, MI

December 8, 2021

NWS Gaylord, MI issued this small craft advisory at Dec 8, 2021, 4:10 PM EST. It took effect at Dec 9, 2021, 7:00 AM EST. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Dec 8, 2021, 4:10 PM EST (21:10 UTC)
In effect from
Dec 9, 2021, 7:00 AM EST
Expired
Dec 10, 2021, 10:00 AM EST
In force
27 hr
Issued by
NWS Gaylord, MI

The text

As transmitted.

835 
WHUS73 KAPX 082110
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
410 PM EST Wed Dec 8 2021

LSZ321-090515-
/O.NEW.KAPX.SC.Y.0121.211209T1200Z-211210T0800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
410 PM EST Wed Dec 8 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THURSDAY TO 3 AM EST
FRIDAY...

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

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 7 AM Thursday to 3 AM EST Friday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ322-090515-
/O.NEW.KAPX.SC.Y.0121.211209T1700Z-211210T0800Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
410 PM EST Wed Dec 8 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON THURSDAY TO 3 AM EST
FRIDAY...

* WHAT...Highest gusts up to 25 kt from the south expected.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...From noon Thursday to 3 AM EST Friday.

* 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>346-090515-
/O.NEW.KAPX.SC.Y.0121.211209T1200Z-211210T0800Z/
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-
410 PM EST Wed Dec 8 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THURSDAY TO 3 AM EST
FRIDAY...

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

* WHERE...Portions of Lake Michigan. 

* WHEN...From 7 AM Thursday to 3 AM EST Friday.

* 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>349-090515-
/O.NEW.KAPX.SC.Y.0121.211209T1700Z-211210T0800Z/
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-
410 PM EST Wed Dec 8 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON THURSDAY TO 3 AM EST
FRIDAY...

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 7 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, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...From noon Thursday to 3 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
7 follow-up statements
982 
WHUS73 KAPX 090347
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1047 PM EST Wed Dec 8 2021

LSZ321-091200-
/O.CON.KAPX.SC.Y.0121.211209T1200Z-211210T0800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1047 PM EST Wed Dec 8 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THURSDAY TO
3 AM EST FRIDAY...

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

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 7 AM Thursday to 3 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ322-091200-
/O.CON.KAPX.SC.Y.0121.211209T1700Z-211210T0800Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1047 PM EST Wed Dec 8 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON THURSDAY TO
3 AM EST FRIDAY...

* WHAT...Highest gusts up to 25 kt from the south expected.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...From noon Thursday to 3 AM EST Friday.

* 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>346-091200-
/O.CON.KAPX.SC.Y.0121.211209T1200Z-211210T0800Z/
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-
1047 PM EST Wed Dec 8 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THURSDAY TO
3 AM EST FRIDAY...

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

* WHERE...Portions of Lake Michigan. 

* WHEN...From 7 AM Thursday to 3 AM EST Friday.

* 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>349-091200-
/O.CON.KAPX.SC.Y.0121.211209T1700Z-211210T0800Z/
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-
1047 PM EST Wed Dec 8 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON THURSDAY TO
3 AM EST FRIDAY...

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 7 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, Sturgeon Pt 
  to Alabaster MI, St Ignace to False Detour Channel and Presque 
  Isle Light to Sturgeon Pt MI Including Thunder Bay National 
  Marine Sanctuary.

* WHEN...From noon Thursday to 3 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
549 
WHUS73 KAPX 090857
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
357 AM EST Thu Dec 9 2021

LSZ321-091700-
/O.CON.KAPX.SC.Y.0121.211209T1200Z-211210T0800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
357 AM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 3 AM EST FRIDAY...

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

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 7 AM this morning to 3 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ322-091700-
/O.CON.KAPX.SC.Y.0121.211209T1700Z-211210T0800Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
357 AM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 3 AM
EST FRIDAY...

* WHAT...Highest gusts up to 25 kt from the south expected.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...From noon today to 3 AM EST Friday.

* 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>346-091700-
/O.CON.KAPX.SC.Y.0121.211209T1200Z-211210T0800Z/
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-
357 AM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 3 AM EST FRIDAY...

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

* WHERE...Portions of Lake Michigan. 

* WHEN...From 7 AM this morning to 3 AM EST Friday.

* 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>349-091700-
/O.CON.KAPX.SC.Y.0121.211209T1700Z-211210T0800Z/
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-
357 AM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 3 AM
EST FRIDAY...

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 7 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, Sturgeon Pt 
  to Alabaster MI, St Ignace to False Detour Channel and Presque 
  Isle Light to Sturgeon Pt MI Including Thunder Bay National 
  Marine Sanctuary.

* WHEN...From noon today to 3 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
568 
WHUS73 KAPX 091522
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1022 AM EST Thu Dec 9 2021

LSZ322-092330-
/O.CON.KAPX.SC.Y.0121.211209T1700Z-211210T0800Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1022 AM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST FRIDAY...

* WHAT...Highest gusts up to 25 kt from the south expected.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...From noon today to 3 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ321-092330-
/O.CON.KAPX.SC.Y.0121.000000T0000Z-211210T0800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1022 AM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST FRIDAY...

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

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 7 AM this morning to 3 AM EST Friday.

* 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>346-092330-
/O.CON.KAPX.SC.Y.0121.000000T0000Z-211210T0800Z/
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-
1022 AM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST FRIDAY...

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

* WHERE...Portions of Lake Michigan.

* WHEN...From 7 AM this morning to 3 AM EST Friday.

* 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>349-092330-
/O.CON.KAPX.SC.Y.0121.211209T1700Z-211210T0800Z/
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-
1022 AM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST FRIDAY...

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 7 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, Sturgeon Pt 
  to Alabaster MI, St Ignace to False Detour Channel and Presque 
  Isle Light to Sturgeon Pt MI Including Thunder Bay National 
  Marine Sanctuary.

* WHEN...From noon today to 3 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
147 
WHUS73 KAPX 092026
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
326 PM EST Thu Dec 9 2021

LSZ321-322-100430-
/O.CON.KAPX.SC.Y.0121.000000T0000Z-211210T0800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
326 PM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST FRIDAY...

* WHAT...Highest gusts up to 25 kt from the south expected.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 3 AM EST Friday.

* 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>346-100430-
/O.CON.KAPX.SC.Y.0121.000000T0000Z-211210T0800Z/
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-
326 PM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST FRIDAY...

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

* WHERE...Portions of Lake Michigan.

* WHEN...Until 3 AM EST Friday.

* 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>349-100430-
/O.CON.KAPX.SC.Y.0121.000000T0000Z-211210T0800Z/
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-
326 PM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST FRIDAY...

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 7 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, Sturgeon Pt 
  to Alabaster MI, St Ignace to False Detour Channel and Presque 
  Isle Light to Sturgeon Pt MI Including Thunder Bay National 
  Marine Sanctuary.

* WHEN...Until 3 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
198 
WHUS73 KAPX 100232
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
932 PM EST Thu Dec 9 2021

LSZ321-101045-
/O.EXT.KAPX.SC.Y.0121.000000T0000Z-211210T1500Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
932 PM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EST FRIDAY...

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

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 10 AM EST Friday.

* 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>346-100800-
/O.CON.KAPX.SC.Y.0121.000000T0000Z-211210T0800Z/
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-
932 PM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST FRIDAY...

* WHAT...Highest waves around 5 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 3 AM EST Friday.

* 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>349-100800-
/O.CON.KAPX.SC.Y.0121.000000T0000Z-211210T0800Z/
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-
932 PM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST FRIDAY...

* WHAT...Highest gusts up to 30 kt from the south and highest 
  waves around 8 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, Sturgeon Pt 
  to Alabaster MI, St Ignace to False Detour Channel and Presque 
  Isle Light to Sturgeon Pt MI Including Thunder Bay National 
  Marine Sanctuary.

* WHEN...Until 3 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LSZ322-100800-
/O.CON.KAPX.SC.Y.0121.000000T0000Z-211210T0800Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
932 PM EST Thu Dec 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST FRIDAY...

* WHAT...Highest gusts up to 25 kt from the southwest.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 3 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
225 
WHUS73 KAPX 100840
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
340 AM EST Fri Dec 10 2021

LSZ321-101645-
/O.CON.KAPX.SC.Y.0121.000000T0000Z-211210T1500Z/
/O.NEW.KAPX.GL.W.0031.211211T1400Z-211212T0200Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
340 AM EST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...
...GALE WARNING IN EFFECT FROM 9 AM TO 9 PM EST SATURDAY...

* WHAT...For the GALE WARNING, Highest gusts up to 40 kt from 
  the northwest and highest waves around 10 feet expected. For 
  the SMALL CRAFT ADVISORY, Highest gusts up to 25 kt from the 
  west and highest waves around 6 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...For the GALE WARNING, from 9 AM to 9 PM EST Saturday. 
  For the SMALL CRAFT ADVISORY, until 10 AM EST this morning.

* IMPACTS...Strong winds will cause hazardous highest 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.

&&

$$

LHZ345-LMZ323-341-342-344>346-101645-
/O.NEW.KAPX.GL.W.0031.211211T1400Z-211212T0200Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
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-
340 AM EST Fri Dec 10 2021

...GALE WARNING IN EFFECT FROM 9 AM TO 9 PM EST SATURDAY...

* WHAT...Highest gusts up to 40 kt from the northwest and 
  highest waves around 12 feet expected.

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

* WHEN...From 9 AM to 9 PM EST Saturday.

* IMPACTS...Strong winds will cause hazardous highest 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.

&&

$$

LSZ322-101645-
/O.NEW.KAPX.GL.W.0031.211211T1400Z-211212T0200Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
340 AM EST Fri Dec 10 2021

...GALE WARNING IN EFFECT FROM 9 AM TO 9 PM EST SATURDAY...

* WHAT...Highest gusts up to 40 kt from the northwest and 
  highest waves around 5 feet expected.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...From 9 AM to 9 PM EST Saturday.

* IMPACTS...Strong winds will cause hazardous highest 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.

&&

$$

LHZ346>349-101645-
/O.NEW.KAPX.GL.A.0022.211211T1400Z-211212T0200Z/
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-
340 AM EST Fri Dec 10 2021

...GALE WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY
EVENING...

* WHAT...Highest gusts up to 40 kt from the west and highest 
  waves around 9 feet possible.

* 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 Saturday morning through Saturday evening.

* IMPACTS...Strong winds can cause hazardous highest waves which 
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and highest
waves.

&&

$$
039 
WHUS73 KAPX 101509
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1009 AM EST Fri Dec 10 2021

LSZ321-102315-
/O.EXP.KAPX.SC.Y.0121.000000T0000Z-211210T1500Z/
/O.CON.KAPX.GL.W.0031.211211T1400Z-211212T0200Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1009 AM EST Fri Dec 10 2021

...GALE WARNING REMAINS IN EFFECT FROM 9 AM TO 9 PM EST
SATURDAY...
...SMALL CRAFT ADVISORY HAS EXPIRED...

* WHAT...Highest gusts up to 45 kt from the northwest and 
  highest waves around 10 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 9 AM to 9 PM EST Saturday.

* IMPACTS...Strong winds will cause hazardous highest 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.

&&

$$

LHZ346>349-102315-
/O.UPG.KAPX.GL.A.0022.211211T1400Z-211212T0200Z/
/O.EXA.KAPX.GL.W.0031.211211T1400Z-211212T0200Z/
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-
1009 AM EST Fri Dec 10 2021

...GALE WARNING IN EFFECT FROM 9 AM TO 9 PM EST SATURDAY...

* WHAT...Highest gusts up to 45 kt from the west and highest 
  waves around 10 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 9 AM to 9 PM EST Saturday.

* IMPACTS...Strong winds will cause hazardous highest 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.

&&

$$

LHZ345-LMZ323-341-342-344>346-102315-
/O.CON.KAPX.GL.W.0031.211211T1400Z-211212T0200Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
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-
1009 AM EST Fri Dec 10 2021

...GALE WARNING REMAINS IN EFFECT FROM 9 AM TO 9 PM EST
SATURDAY...

* WHAT...Highest gusts up to 45 kt from the northwest and 
  highest waves around 12 feet expected.

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

* WHEN...From 9 AM to 9 PM EST Saturday.

* IMPACTS...Strong winds will cause hazardous highest 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.

&&

$$

LSZ322-102315-
/O.CON.KAPX.GL.W.0031.211211T1400Z-211212T0200Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1009 AM EST Fri Dec 10 2021

...GALE WARNING REMAINS IN EFFECT FROM 9 AM TO 9 PM EST
SATURDAY...

* WHAT...Highest gusts up to 40 kt from the northwest and 
  highest waves around 6 feet expected.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...From 9 AM to 9 PM EST Saturday.

* IMPACTS...Strong winds will cause hazardous highest 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.

&&

$$

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.