Alert archive / Michigan / Small Craft Advisories in 2021

Small Craft Advisory 47, NWS Gaylord, MI

April 22, 2021

NWS Gaylord, MI issued this small craft advisory at Apr 22, 2021, 3:14 AM EDT. It took effect at Apr 22, 2021, 12:00 PM EDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Apr 22, 2021, 3:14 AM EDT (07:14 UTC)
In effect from
Apr 22, 2021, 12:00 PM EDT
Expired
Apr 22, 2021, 7:00 PM EDT
In force
7 hr
Issued by
NWS Gaylord, MI

The text

As transmitted.

640 
WHUS73 KAPX 220714
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
314 AM EDT Thu Apr 22 2021

LHZ345>347-LMZ341-342-221515-
/O.NEW.KAPX.SC.Y.0047.210422T1600Z-210422T2300Z/
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-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
314 AM EDT Thu Apr 22 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 4 feet expected.

* WHERE...In Lake Michigan, Seul Choix Point to 5NM West of 
  Mackinac Bridge and Norwood MI to 5NM West of Mackinac Bridge 
  including Little Traverse Bay. In Lake Huron, 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 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.

&&

$$
3 follow-up statements
150 
WHUS73 KAPX 221423
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1023 AM EDT Thu Apr 22 2021

LHZ345>347-LMZ341-342-222230-
/O.CON.KAPX.SC.Y.0047.210422T1600Z-210422T2300Z/
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-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
1023 AM EDT Thu Apr 22 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 4 feet expected.

* WHERE...In Lake Michigan, Norwood MI to 5NM West of Mackinac 
  Bridge including Little Traverse Bay and Seul Choix Point to 
  5NM West of Mackinac Bridge. In Lake Huron, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island, 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.

&&

$$
475 
WHUS73 KAPX 222003
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
403 PM EDT Thu Apr 22 2021

LSZ321-322-222300-
/O.EXA.KAPX.SC.Y.0047.000000T0000Z-210422T2300Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
403 PM EDT Thu Apr 22 2021

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

* WHAT...Highest gusts up to 25 kt and highest waves on Whitefish
  Bay around 3 feet.

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

* 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.

&&

$$

LHZ345>347-LMZ341-342-222300-
/O.CON.KAPX.SC.Y.0047.000000T0000Z-210422T2300Z/
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-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
403 PM EDT Thu Apr 22 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 4 feet.

* WHERE...In Lake Michigan, Norwood MI to 5NM West of Mackinac 
  Bridge including Little Traverse Bay and Seul Choix Point to 
  5NM West of Mackinac Bridge. In Lake Huron, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island, 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.

&&

$$
160 
WHUS73 KAPX 222317
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
717 PM EDT Thu Apr 22 2021

LHZ345>347-LMZ341-342-LSZ321-322-230030-
/O.EXP.KAPX.SC.Y.0047.000000T0000Z-210422T2300Z/
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-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
717 PM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY HAS EXPIRED...


$$

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.