Alert archive / Michigan / Small Craft Advisories in 2021

Small Craft Advisory 77, NWS Gaylord, MI

August 13, 2021

NWS Gaylord, MI issued this small craft advisory at Aug 13, 2021, 3:13 AM EDT. It took effect at Aug 13, 2021, 12:00 PM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Aug 13, 2021, 3:13 AM EDT (07:13 UTC)
In effect from
Aug 13, 2021, 12:00 PM EDT
Expired
Aug 13, 2021, 9:59 PM EDT
In force
10 hr
Issued by
NWS Gaylord, MI

The text

As transmitted.

205 
WHUS73 KAPX 130713
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
313 AM EDT Fri Aug 13 2021

LHZ345-346-131515-
/O.NEW.KAPX.SC.Y.0077.210813T1600Z-210813T2300Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
313 AM EDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 7 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 7 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-LSZ321-322-131515-
/O.NEW.KAPX.SC.Y.0077.210813T1600Z-210814T0300Z/
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-
St. Marys River Point Iroquois to E. Potagannissing Bay-
313 AM EDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 11 PM EDT
THIS EVENING...

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

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

* WHEN...From noon today 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.

&&

$$
3 follow-up statements
196 
WHUS73 KAPX 131432
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1032 AM EDT Fri Aug 13 2021

LHZ345-346-132245-
/O.CON.KAPX.SC.Y.0077.210813T1600Z-210813T2300Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
1032 AM EDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

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

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

* WHEN...Until 7 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-LSZ321-322-132245-
/O.CON.KAPX.SC.Y.0077.210813T1600Z-210814T0300Z/
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-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1032 AM EDT Fri Aug 13 2021

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

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

* WHERE...In Lake Huron, 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. In Lake Superior, St. Marys River Point Iroquois to 
  E. Potagannissing Bay and Whitefish Bay (U. S. 
  Portion)/Whitefish Point to Point Iroquois 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.

&&

$$
051 
WHUS73 KAPX 131939
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
339 PM EDT Fri Aug 13 2021

LHZ347-348-132045-
/O.CAN.KAPX.SC.Y.0077.000000T0000Z-210814T0300Z/
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-
339 PM EDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

LHZ345-346-132045-
/O.CAN.KAPX.SC.Y.0077.000000T0000Z-210813T2300Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
339 PM EDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

LSZ321-322-140300-
/O.CON.KAPX.SC.Y.0077.000000T0000Z-210814T0300Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
339 PM EDT Fri Aug 13 2021

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

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

&&

$$
959 
WHUS73 KAPX 140159
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
959 PM EDT Fri Aug 13 2021

LSZ321-322-140300-
/O.CAN.KAPX.SC.Y.0077.000000T0000Z-210814T0300Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
959 PM EDT Fri Aug 13 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.