Alert archive / Michigan / Small Craft Advisories in 2021

Small Craft Advisory 73, NWS Grand Rapids, MI

September 12, 2021

NWS Grand Rapids, MI issued this small craft advisory at Sep 12, 2021, 6:01 AM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Sep 12, 2021, 6:01 AM EDT (10:01 UTC)
Expired
Sep 12, 2021, 4:00 PM EDT
In force
10 hr
Issued by
NWS Grand Rapids, MI

The text

As transmitted.

862 
WHUS73 KGRR 121001
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
601 AM EDT Sun Sep 12 2021

LMZ844-845-121500-
/O.NEW.KGRR.SC.Y.0073.210912T1001Z-210912T1500Z/
St Joseph to South Haven MI-South Haven to Holland MI-
601 AM EDT Sun Sep 12 2021

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

* WHAT...Southwest winds 10 to 20 knots and waves 3 to 4 feet 
  expected.

* WHERE...St Joseph to Holland.

* 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.

&&

$$
2 follow-up statements
752 
WHUS73 KGRR 121342
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
942 AM EDT Sun Sep 12 2021

LMZ846-122000-
/O.EXB.KGRR.SC.Y.0073.000000T0000Z-210912T2000Z/
Holland to Grand Haven MI-
942 AM EDT Sun Sep 12 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

* WHAT...Southwest winds 10 to 20 knots and waves near 4 feet, 
  subsiding this afternoon.

* WHERE...Holland to Grand Haven MI.

* WHEN...Until 4 PM EDT this afternoon.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ844-845-122000-
/O.EXT.KGRR.SC.Y.0073.000000T0000Z-210912T2000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
942 AM EDT Sun Sep 12 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EDT THIS
AFTERNOON...

* WHAT...Southwest winds 15 to 25 knots and waves 4 to 5 feet, 
  subsiding this afternoon.

* WHERE...St Joseph to Holland.

* WHEN...Until 4 PM EDT this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
093 
WHUS73 KGRR 121952
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
352 PM EDT Sun Sep 12 2021

LMZ844>846-122100-
/O.EXP.KGRR.SC.Y.0073.000000T0000Z-210912T2000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
352 PM EDT Sun Sep 12 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM EDT THIS AFTERNOON...

Winds and waves have subsided below hazardous levels. 

$$

The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 12, 6:03 AM EDTBeach Hazards StatementGRRAllegan, Ottawa, Van Buren10 hr
Sep 12, 2:29 PM EDTSpecial Marine WarningGRR61 min
Sep 12, 2:42 PM EDTSpecial Weather StatementGRRLake, Mason, Newaygo, Oceana63 min
Sep 12, 3:50 PM EDTSpecial Weather StatementGRRIsabella, Mecosta40 min
Sep 12, 4:29 PM EDTSpecial Weather StatementGRRIsabella31 min
Sep 12, 4:56 PM EDTSevere Thunderstorm WarningGRRGratiot34 min
Sep 12, 5:31 PM EDTSpecial Marine WarningGRR82 min
Sep 12, 6:22 PM EDTSpecial Weather StatementGRRMuskegon, Ottawa53 min
Sep 12, 6:40 PM EDTSevere Thunderstorm WarningGRRMuskegon, Ottawa35 min
Sep 12, 7:16 PM EDTSevere Thunderstorm WarningGRRGratiot, Montcalm45 min

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.