Alert archive / Michigan / Small Craft Advisories in 2021

Small Craft Advisory 71, NWS Grand Rapids, MI

September 6, 2021

NWS Grand Rapids, MI issued this small craft advisory at Sep 6, 2021, 3:46 PM EDT. It took effect at Sep 7, 2021, 8:00 AM EDT. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued
Sep 6, 2021, 3:46 PM EDT (19:46 UTC)
In effect from
Sep 7, 2021, 8:00 AM EDT
Expired
Sep 9, 2021, 8:00 AM EDT
In force
48 hr
Issued by
NWS Grand Rapids, MI

The text

As transmitted.

814 
WHUS73 KGRR 061946
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
346 PM EDT Mon Sep 6 2021

LMZ844>849-070400-
/O.NEW.KGRR.SC.Y.0071.210907T1200Z-210909T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
346 PM EDT Mon Sep 6 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TUESDAY TO 8 PM EDT
WEDNESDAY...

* WHAT...South winds of 20 to 30 knots Tuesday will become west by
  early evening then turn northwest by Wednesday mid morning.
  Waves of 4 to 7 feet are expected.

* WHERE...St Joseph to Manistee.

* WHEN...From 8 AM Tuesday to 8 PM EDT Wednesday.

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

* ADDITIONAL DETAILS...Winds may reach gale force in thunderstorms
  Tuesday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

wdm
11 follow-up statements
313 
WHUS73 KGRR 070208
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1008 PM EDT Mon Sep 6 2021

LMZ844>849-071015-
/O.CON.KGRR.SC.Y.0071.210907T1200Z-210909T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
1008 PM EDT Mon Sep 6 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TUESDAY TO
8 PM EDT WEDNESDAY...

* WHAT...South winds of 20 to 30 knots Tuesday will become west 
  by early evening then turn northwest by Wednesday mid morning. 
  Waves of 4 to 7 feet are expected.

* WHERE...St Joseph to Manistee.

* WHEN...From 8 AM Tuesday to 8 PM EDT Wednesday.

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

* ADDITIONAL DETAILS...Winds may reach gale force in 
  thunderstorms Tuesday afternoon.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
015 
WHUS73 KGRR 070737
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
337 AM EDT Tue Sep 7 2021

LMZ844>849-071545-
/O.CON.KGRR.SC.Y.0071.210907T1200Z-210909T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
337 AM EDT Tue Sep 7 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 8 PM EDT WEDNESDAY...

* WHAT...South winds of 20 to 30 knots today will become west by 
  early evening then turn northwest by Wednesday mid morning. 
  Waves of 4 to 7 feet are expected.

* WHERE...St Joseph to Manistee.

* WHEN...From 8 AM Tuesday to 8 PM EDT Wednesday.

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

* ADDITIONAL DETAILS...Winds may reach gale force in thunderstorms
  this afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
412 
WHUS73 KGRR 071401
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1001 AM EDT Tue Sep 7 2021

LMZ844>849-072215-
/O.CON.KGRR.SC.Y.0071.000000T0000Z-210909T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
1001 AM EDT Tue Sep 7 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT
WEDNESDAY...

* WHAT...South winds of 20 to 30 knots today will become west by 
  early evening then turn northwest by Wednesday mid morning. 
  Waves of 4 to 7 feet are expected.

* WHERE...St Joseph to Manistee.

* WHEN...through 8 PM EDT Wednesday.

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

* ADDITIONAL DETAILS...Winds may reach gale force in 
  thunderstorms this afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

wdm
943 
WHUS73 KGRR 071959
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
359 PM EDT Tue Sep 7 2021

LMZ844>849-080400-
/O.CON.KGRR.SC.Y.0071.000000T0000Z-210909T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
359 PM EDT Tue Sep 7 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT
WEDNESDAY...

* WHAT...Southwest winds of 20 to 30 knots this evening will
  become west by early tonight then turn northwest by Wednesday 
  mid morning. Waves of 4 to 7 feet are expected.

* WHERE...St Joseph to Manistee.

* WHEN...Through 8 PM EDT Wednesday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

wdm
311 
WHUS73 KGRR 080211
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1011 PM EDT Tue Sep 7 2021

LMZ844>849-081015-
/O.CON.KGRR.SC.Y.0071.000000T0000Z-210909T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
1011 PM EDT Tue Sep 7 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT
WEDNESDAY...

* WHAT...Northwest winds 15 to 25 knots and waves 4 to 7 feet.

* WHERE...St Joseph to Manistee.

* WHEN...Until 8 PM EDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
134 
WHUS73 KGRR 080731
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
331 AM EDT Wed Sep 8 2021

LMZ844>849-081545-
/O.CON.KGRR.SC.Y.0071.000000T0000Z-210909T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
331 AM EDT Wed Sep 8 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Northwest winds 15 to 25 knots and waves 4 to 7 feet.

* WHERE...St Joseph to Manistee.

* WHEN...Until 8 PM EDT Wednesday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
268 
WHUS73 KGRR 081458
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1058 AM EDT Wed Sep 8 2021

LMZ844>849-082300-
/O.EXT.KGRR.SC.Y.0071.000000T0000Z-210909T1200Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
1058 AM EDT Wed Sep 8 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM EDT THURSDAY...

* WHAT...Northwest winds 5 to 15 knots with gusts up to 20 knots 
  and waves 3 to 6 feet.

* WHERE...St Joseph to Manistee.

* WHEN...Until 8 AM EDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
157 
WHUS73 KGRR 081941
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
341 PM EDT Wed Sep 8 2021

LMZ844>849-090345-
/O.CON.KGRR.SC.Y.0071.000000T0000Z-210909T1200Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
341 PM EDT Wed Sep 8 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

* WHAT...North winds 10 to 20 knots with gusts up to 25 knots 
  and waves 3 to 6 feet.

* WHERE...St Joseph to Manistee.

* WHEN...Until 8 AM EDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
453 
WHUS73 KGRR 090336
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1136 PM EDT Wed Sep 8 2021

LMZ844>849-091145-
/O.CON.KGRR.SC.Y.0071.000000T0000Z-210909T1200Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
1136 PM EDT Wed Sep 8 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

* WHAT...North northwest winds 10 to 20 knots and waves 3 to 5 
  feet.

* WHERE...St Joseph to Manistee.

* WHEN...Until 8 AM EDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
780 
WHUS73 KGRR 090732
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
332 AM EDT Thu Sep 9 2021

LMZ844>849-091200-
/O.CON.KGRR.SC.Y.0071.000000T0000Z-210909T1200Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
332 AM EDT Thu Sep 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...

* WHAT...North winds 10 to 20 knots with gusts up to 25 knots and
  waves 2 to 5 feet.

* WHERE...St Joseph to Manistee.

* WHEN...Until 8 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.

&&

$$
985 
WHUS73 KGRR 091143
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
743 AM EDT Thu Sep 9 2021

LMZ844>849-091245-
/O.EXP.KGRR.SC.Y.0071.000000T0000Z-210909T1200Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
743 AM EDT Thu Sep 9 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING...

The winds and waves are forecast to contine to slowly diminish 
this morning.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 3:50 PM EDTBeach Hazards StatementGRRAllegan, Mason, Muskegon, Oceana, Ottawa, Van Buren64 hr

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.