Alert archive / Michigan / Small Craft Advisories in 2021

Small Craft Advisory 86, NWS Gaylord, MI

September 15, 2021

NWS Gaylord, MI issued this small craft advisory at Sep 15, 2021, 10:05 PM EDT. It took effect at Sep 16, 2021, 12:00 PM EDT. It was in force for 34 hr.

The area

The counties it named.

The facts

Issued
Sep 15, 2021, 10:05 PM EDT (02:05 UTC)
In effect from
Sep 16, 2021, 12:00 PM EDT
Expired
Sep 17, 2021, 10:09 PM EDT
In force
34 hr
Issued by
NWS Gaylord, MI

The text

As transmitted.

850 
WHUS73 KAPX 160205
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1005 PM EDT Wed Sep 15 2021

LMZ341-161000-
/O.NEW.KAPX.SC.Y.0086.210916T1600Z-210917T2200Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
1005 PM EDT Wed Sep 15 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON THURSDAY TO 6 PM EDT
FRIDAY...

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

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

* WHEN...From noon Thursday to 6 PM EDT 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.

&&

$$

JZ
11 follow-up statements
017 
WHUS73 KAPX 160747
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
347 AM EDT Thu Sep 16 2021

LMZ341-161600-
/O.CON.KAPX.SC.Y.0086.210916T1600Z-210917T2200Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
347 AM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 PM
EDT FRIDAY...

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

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

* WHEN...From noon today to 6 PM EDT 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.

&&

$$
460 
WHUS73 KAPX 161146
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
746 AM EDT Thu Sep 16 2021

LSZ321-162000-
/O.EXB.KAPX.SC.Y.0086.210916T1900Z-210917T1200Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
746 AM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO
8 AM EDT FRIDAY...

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

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

* WHEN...From 3 PM this afternoon to 8 AM EDT Friday.

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

* ADDITIONAL DETAILS...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>346-162000-
/O.EXB.KAPX.SC.Y.0086.210917T0200Z-210917T1800Z/
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-
746 AM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 2 PM
EDT FRIDAY...

* WHAT...Highest gusts up to 25 kt from the south and highest 
  waves around 4 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, Sleeping Bear Point to Grand 
  Traverse Light MI, Point Betsie to Sleeping Bear Point MI and 
  Manistee to Point Betsie MI.

* WHEN...From 10 PM this evening to 2 PM EDT Friday.

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

* ADDITIONAL DETAILS...Conditions will be hazardous to small
  craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ341-162000-
/O.EXT.KAPX.SC.Y.0086.210916T1600Z-210917T1800Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
746 AM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM NOON TODAY TO 2 PM EDT
FRIDAY...

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

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

* WHEN...From noon today to 2 PM EDT 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.

&&

$$
091 
WHUS73 KAPX 161439
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1039 AM EDT Thu Sep 16 2021

LMZ341-162245-
/O.CON.KAPX.SC.Y.0086.210916T1600Z-210917T1800Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
1039 AM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT FRIDAY...

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

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

* WHEN...Until 2 PM EDT 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.

&&

$$

LSZ321-162245-
/O.CON.KAPX.SC.Y.0086.210916T1900Z-210917T1200Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1039 AM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 8 AM EDT FRIDAY...

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

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

* WHEN...From 3 PM this afternoon to 8 AM EDT 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.

&&

$$

LMZ323-342-344>346-162245-
/O.CON.KAPX.SC.Y.0086.210917T0200Z-210917T1800Z/
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-
1039 AM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 2 PM EDT FRIDAY...

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

* WHERE...Point Betsie to Sleeping Bear Point MI, 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 and Sleeping Bear 
  Point to Grand Traverse Light MI.

* WHEN...From 10 PM this evening to 2 PM EDT 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.

&&

$$
315 
WHUS73 KAPX 161833
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
233 PM EDT Thu Sep 16 2021

LMZ341-170245-
/O.CON.KAPX.SC.Y.0086.000000T0000Z-210917T1800Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
233 PM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT FRIDAY...

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

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

* WHEN...Until 2 PM EDT 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.

&&

$$

LSZ321-170245-
/O.CON.KAPX.SC.Y.0086.210916T1900Z-210917T1200Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
233 PM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY...

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

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

* WHEN...Until 8 AM EDT 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.

&&

$$

LMZ323-342-344>346-170245-
/O.CON.KAPX.SC.Y.0086.210917T0200Z-210917T1800Z/
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-
233 PM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 2 PM EDT FRIDAY...

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

* WHERE...Point Betsie to Sleeping Bear Point MI, 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 and Sleeping Bear 
  Point to Grand Traverse Light MI.

* WHEN...From 10 PM this evening to 2 PM EDT 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.

&&

$$
387 
WHUS73 KAPX 161835
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
235 PM EDT Thu Sep 16 2021

LHZ345>347-170245-
/O.EXB.KAPX.SC.Y.0086.210917T1200Z-210917T1800Z/
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-
235 PM EDT Thu Sep 16 2021

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

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

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel 
  and 5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island.

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

&&

$$

LMZ341-170245-
/O.CON.KAPX.SC.Y.0086.000000T0000Z-210917T1800Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
235 PM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT FRIDAY...

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

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

* WHEN...Until 2 PM EDT 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.

&&

$$

LSZ321-170245-
/O.CON.KAPX.SC.Y.0086.210916T1900Z-210917T1200Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
235 PM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY...

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

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

* WHEN...Until 8 AM EDT 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.

&&

$$

LMZ323-342-344>346-170245-
/O.CON.KAPX.SC.Y.0086.210917T0200Z-210917T1800Z/
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-
235 PM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 2 PM EDT FRIDAY...

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

* WHERE...Point Betsie to Sleeping Bear Point MI, 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 and Sleeping Bear 
  Point to Grand Traverse Light MI.

* WHEN...From 10 PM this evening to 2 PM EDT 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.

&&

$$
906 
WHUS73 KAPX 170122
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
922 PM EDT Thu Sep 16 2021

LMZ341-171000-
/O.CON.KAPX.SC.Y.0086.000000T0000Z-210917T1800Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
922 PM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT FRIDAY...

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

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

* WHEN...Until 2 PM EDT 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.

&&

$$

LSZ321-171000-
/O.CON.KAPX.SC.Y.0086.000000T0000Z-210917T1200Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
922 PM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT FRIDAY...

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

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

* WHEN...Until 8 AM EDT 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.

&&

$$

LMZ323-342-344>346-171000-
/O.CON.KAPX.SC.Y.0086.210917T0200Z-210917T1800Z/
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-
922 PM EDT Thu Sep 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT FRIDAY...

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

* WHERE...Point Betsie to Sleeping Bear Point MI, 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 and Sleeping Bear 
  Point to Grand Traverse Light MI.

* WHEN...Until 2 PM EDT 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>347-171000-
/O.CON.KAPX.SC.Y.0086.210917T1200Z-210917T1800Z/
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-
922 PM EDT Thu Sep 16 2021

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

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

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

&&

$$
767 
WHUS73 KAPX 170733
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
333 AM EDT Fri Sep 17 2021

LHZ348-171545-
/O.EXB.KAPX.SC.Y.0086.210917T1600Z-210918T0500Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
333 AM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 1 AM EDT
SATURDAY...

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

* WHERE...Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary.

* WHEN...From noon today to 1 AM EDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ341-171545-
/O.EXT.KAPX.SC.Y.0086.000000T0000Z-210917T2200Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
333 AM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM EDT THIS
EVENING...

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

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

* WHEN...Until 6 PM EDT 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.

&&

$$

LSZ321-171545-
/O.EXT.KAPX.SC.Y.0086.000000T0000Z-210918T0100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
333 AM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

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

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

* WHEN...Until 9 PM EDT 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.

&&

$$

LMZ323-342-344>346-171545-
/O.EXT.KAPX.SC.Y.0086.000000T0000Z-210917T2200Z/
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-
333 AM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM EDT THIS
EVENING...

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

* WHERE...Point Betsie to Sleeping Bear Point MI, 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 and Sleeping Bear 
  Point to Grand Traverse Light MI.

* WHEN...Until 6 PM EDT 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>347-171545-
/O.EXT.KAPX.SC.Y.0086.210917T1600Z-210918T0500Z/
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-
333 AM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM NOON TODAY TO 1 AM EDT
SATURDAY...

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

* WHERE...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...From noon today to 1 AM EDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
162 
WHUS73 KAPX 171139
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
739 AM EDT Fri Sep 17 2021

LHZ345-346-171945-
/O.EXT.KAPX.SC.Y.0086.210917T1600Z-210918T0100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
739 AM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM NOON TODAY TO 9 PM EDT
THIS EVENING...

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

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island and St Ignace to False Detour 
  Channel.

* WHEN...From noon today to 9 PM EDT 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.

&&

$$

LMZ341-171945-
/O.CON.KAPX.SC.Y.0086.000000T0000Z-210917T2200Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
739 AM EDT Fri Sep 17 2021

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

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

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

* WHEN...Until 6 PM EDT 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.

&&

$$

LSZ321-171945-
/O.CON.KAPX.SC.Y.0086.000000T0000Z-210918T0100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
739 AM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

* WHAT...Highest waves around 5 feet.

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

* WHEN...Until 9 PM EDT 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.

&&

$$

LMZ323-342-344>346-171945-
/O.CON.KAPX.SC.Y.0086.000000T0000Z-210917T2200Z/
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-
739 AM EDT Fri Sep 17 2021

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

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

* WHERE...Point Betsie to Sleeping Bear Point MI, 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 and Sleeping Bear 
  Point to Grand Traverse Light MI.

* WHEN...Until 6 PM EDT 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.

&&

$$

LHZ347-348-171945-
/O.CON.KAPX.SC.Y.0086.210917T1600Z-210918T0500Z/
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-
739 AM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 1 AM
EDT SATURDAY...

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

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

* WHEN...From noon today to 1 AM EDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
675 
WHUS73 KAPX 171405
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1005 AM EDT Fri Sep 17 2021

LMZ341-172200-
/O.CON.KAPX.SC.Y.0086.000000T0000Z-210917T2200Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
1005 AM EDT Fri Sep 17 2021

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

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

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

* WHEN...Until 6 PM EDT 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.

&&

$$

LSZ321-172215-
/O.CON.KAPX.SC.Y.0086.000000T0000Z-210918T0100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1005 AM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

* WHAT...Highest waves around 4 feet.

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

* WHEN...Until 9 PM EDT 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.

&&

$$

LMZ323-342-344>346-172200-
/O.CON.KAPX.SC.Y.0086.000000T0000Z-210917T2200Z/
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-
1005 AM EDT Fri Sep 17 2021

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

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

* WHERE...Point Betsie to Sleeping Bear Point MI, 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 and Sleeping Bear 
  Point to Grand Traverse Light MI.

* WHEN...Until 6 PM EDT 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.

&&

$$

LHZ347-348-172215-
/O.CON.KAPX.SC.Y.0086.210917T1600Z-210918T0500Z/
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-
1005 AM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EDT
SATURDAY...

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

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

* WHEN...Until 1 AM EDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ345-346-172215-
/O.CON.KAPX.SC.Y.0086.210917T1600Z-210918T0100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
1005 AM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

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

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island and St Ignace to False Detour 
  Channel.

* WHEN...Until 9 PM EDT 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.

&&

$$
328 
WHUS73 KAPX 171854
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
254 PM EDT Fri Sep 17 2021

LSZ321-180300-
/O.EXT.KAPX.SC.Y.0086.000000T0000Z-210918T0500Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
254 PM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EDT SATURDAY...

* WHAT...Highest waves around 5 feet.

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

* WHEN...Until 1 AM EDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ341-172200-
/O.CON.KAPX.SC.Y.0086.000000T0000Z-210917T2200Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
254 PM EDT Fri Sep 17 2021

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

* WHAT...Highest waves around 5 feet.

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

* WHEN...Until 6 PM EDT 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.

&&

$$

LMZ323-342-344>346-172200-
/O.CON.KAPX.SC.Y.0086.000000T0000Z-210917T2200Z/
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-
254 PM EDT Fri Sep 17 2021

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

* WHAT...Highest waves around 5 feet.

* WHERE...Point Betsie to Sleeping Bear Point MI, 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 and Sleeping Bear 
  Point to Grand Traverse Light MI.

* WHEN...Until 6 PM EDT 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.

&&

$$

LHZ347-348-180300-
/O.CON.KAPX.SC.Y.0086.000000T0000Z-210918T0500Z/
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-
254 PM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EDT
SATURDAY...

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

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

* WHEN...Until 1 AM EDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ345-346-180100-
/O.CON.KAPX.SC.Y.0086.000000T0000Z-210918T0100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
254 PM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

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

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island and St Ignace to False Detour 
  Channel.

* WHEN...Until 9 PM EDT 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.

&&

$$
636 
WHUS73 KAPX 180209
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1009 PM EDT Fri Sep 17 2021

LHZ347-348-LSZ321-180315-
/O.CAN.KAPX.SC.Y.0086.000000T0000Z-210918T0500Z/
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-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1009 PM EDT Fri Sep 17 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

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.