Alert archive / Michigan / Small Craft Advisories in 2021

Small Craft Advisory 73, NWS Gaylord, MI

July 30, 2021

NWS Gaylord, MI issued this small craft advisory at Jul 30, 2021, 3:20 AM EDT. It took effect at Jul 31, 2021, 12:00 AM EDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Jul 30, 2021, 3:20 AM EDT (07:20 UTC)
In effect from
Jul 31, 2021, 12:00 AM EDT
Expired
Jul 31, 2021, 10:46 AM EDT
In force
11 hr
Issued by
NWS Gaylord, MI

The text

As transmitted.

352 
WHUS73 KAPX 300720
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
320 AM EDT Fri Jul 30 2021

LHZ345-LMZ323-341-342-344>346-301530-
/O.CAN.KAPX.SC.Y.0072.000000T0000Z-210730T0800Z/
/O.NEW.KAPX.SC.Y.0073.210731T0400Z-210731T1500Z/
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-
320 AM EDT Fri Jul 30 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM
EDT SATURDAY...
...SMALL CRAFT ADVISORY IS CANCELLED...

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

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

* WHEN...From midnight tonight to 11 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.

&&

$$

LSZ321-322-300830-
/O.CAN.KAPX.SC.Y.0072.000000T0000Z-210730T0800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
320 AM EDT Fri Jul 30 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

LHZ347-301100-
/O.EXT.KAPX.SC.Y.0072.000000T0000Z-210730T1100Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
320 AM EDT Fri Jul 30 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM EDT THIS
MORNING...

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

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island.

* WHEN...Until 7 AM EDT this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LHZ348-349-301500-
/O.EXT.KAPX.SC.Y.0072.000000T0000Z-210730T1500Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
320 AM EDT Fri Jul 30 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 AM EDT THIS
MORNING...

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

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

* WHEN...Until 11 AM EDT this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
5 follow-up statements
717 
WHUS73 KAPX 301423
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1023 AM EDT Fri Jul 30 2021

LHZ348-349-301530-
/O.CAN.KAPX.SC.Y.0072.000000T0000Z-210730T1500Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1023 AM EDT Fri Jul 30 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

LHZ345-LMZ323-341-342-344>346-310030-
/O.CON.KAPX.SC.Y.0073.210731T0400Z-210731T1500Z/
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-
1023 AM EDT Fri Jul 30 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 11 AM EDT SATURDAY...

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

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

* WHEN...From midnight tonight to 11 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.

&&

$$
508 
WHUS73 KAPX 301918
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
318 PM EDT Fri Jul 30 2021

LHZ345-LMZ323-341-342-344>346-311000-
/O.CON.KAPX.SC.Y.0073.210731T0400Z-210731T1500Z/
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-
318 PM EDT Fri Jul 30 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 11 AM EDT SATURDAY...

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

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

* WHEN...From midnight tonight to 11 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.

&&

$$
654 
WHUS73 KAPX 310052
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
852 PM EDT Fri Jul 30 2021

LHZ345-LMZ323-341-342-344>346-310900-
/O.CON.KAPX.SC.Y.0073.210731T0400Z-210731T1500Z/
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-
852 PM EDT Fri Jul 30 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 11 AM EDT SATURDAY...

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

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

* WHEN...From midnight tonight to 11 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.

&&

$$
081 
WHUS73 KAPX 310800
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
400 AM EDT Sat Jul 31 2021

LHZ345-LMZ323-341-342-344>346-311500-
/O.CON.KAPX.SC.Y.0073.000000T0000Z-210731T1500Z/
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-
400 AM EDT Sat Jul 31 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT THIS
MORNING...

* WHAT...Highest waves around 4 feet. Gusts to around 25 knots.

* WHERE...Lake Michigan and the Straits of Mackinac.

* WHEN...Until 11 AM EDT this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
067 
WHUS73 KAPX 311446
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1046 AM EDT Sat Jul 31 2021

LHZ345-LMZ323-341-342-344>346-311600-
/O.CAN.KAPX.SC.Y.0073.000000T0000Z-210731T1500Z/
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-
1046 AM EDT Sat Jul 31 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.