Alert archive / Michigan / Small Craft Advisories in 2021

Small Craft Advisory 101, NWS Gaylord, MI

October 29, 2021

NWS Gaylord, MI issued this small craft advisory at Oct 29, 2021, 3:24 AM EDT. It took effect at Oct 29, 2021, 11:00 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Oct 29, 2021, 3:24 AM EDT (07:24 UTC)
In effect from
Oct 29, 2021, 11:00 AM EDT
Expired
Oct 29, 2021, 11:00 PM EDT
In force
12 hr
Issued by
NWS Gaylord, MI

The text

As transmitted.

147 
WHUS73 KAPX 290724
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
324 AM EDT Fri Oct 29 2021

LHZ345-346-290830-
/O.CAN.KAPX.SC.Y.0100.000000T0000Z-211029T0900Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
324 AM EDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

LMZ323-342-344>346-291915-
/O.NEW.KAPX.SC.Y.0101.211029T1500Z-211030T0300Z/
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-
324 AM EDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO
11 PM EDT THIS EVENING...

* WHAT...Highest gusts up to 30 kt from the northeast and 
  highest waves around 5 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 11 AM this morning to 11 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>349-291915-
/O.EXT.KAPX.SC.Y.0100.000000T0000Z-211030T0600Z/
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-
324 AM EDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT SATURDAY...

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

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

* WHEN...Until 2 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.

&&

$$
3 follow-up statements
149 
WHUS73 KAPX 291452
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1052 AM EDT Fri Oct 29 2021

LMZ323-342-344>346-292300-
/O.CON.KAPX.SC.Y.0101.211029T1500Z-211030T0300Z/
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-
1052 AM EDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

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

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

* WHEN...Until 11 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>349-292300-
/O.CON.KAPX.SC.Y.0100.000000T0000Z-211030T0600Z/
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-
1052 AM EDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT
SATURDAY...

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

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

* WHEN...Until 2 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.

&&

$$
462 
WHUS73 KAPX 292024
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
424 PM EDT Fri Oct 29 2021

LMZ323-342-344>346-300300-
/O.CON.KAPX.SC.Y.0101.000000T0000Z-211030T0300Z/
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-
424 PM EDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

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

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

* WHEN...Until 11 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>349-300430-
/O.CON.KAPX.SC.Y.0100.000000T0000Z-211030T0600Z/
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-
424 PM EDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT
SATURDAY...

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

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

* WHEN...Until 2 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.

&&

$$
303 
WHUS73 KAPX 300122
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
922 PM EDT Fri Oct 29 2021

LHZ347-300230-
/O.CAN.KAPX.SC.Y.0100.000000T0000Z-211030T0600Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
922 PM EDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY IS CANCELLED...


$$

LHZ349-300930-
/O.EXT.KAPX.SC.Y.0100.000000T0000Z-211030T1500Z/
Sturgeon Pt to Alabaster MI-
922 PM EDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 AM EDT SATURDAY...

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

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 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.

&&

$$

LMZ323-342-344>346-300300-
/O.CON.KAPX.SC.Y.0101.000000T0000Z-211030T0300Z/
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 Fri Oct 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...Highest waves around 5 feet.

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

* WHEN...Until 11 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.

&&

$$

LHZ348-300600-
/O.CON.KAPX.SC.Y.0100.000000T0000Z-211030T0600Z/
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
922 PM EDT Fri Oct 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT
SATURDAY...

* WHAT...Highest waves around 6 feet.

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

* WHEN...Until 2 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.

&&

$$

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.