Alert archive / Michigan / Small Craft Advisories in 2021

Small Craft Advisory 101, NWS Grand Rapids, MI

November 30, 2021

NWS Grand Rapids, MI issued this small craft advisory at Nov 30, 2021, 9:49 PM EST. It took effect at Dec 1, 2021, 9:00 AM EST. It was in force for 40 hr.

The area

The counties it named.

The facts

Issued
Nov 30, 2021, 9:49 PM EST (02:49 UTC)
In effect from
Dec 1, 2021, 9:00 AM EST
Expired
Dec 3, 2021, 1:00 AM EST
In force
40 hr
Issued by
NWS Grand Rapids, MI

The text

As transmitted.

066 
WHUS73 KGRR 010249
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
949 PM EST Tue Nov 30 2021

LMZ844>849-011100-
/O.CAN.KGRR.SC.Y.0100.000000T0000Z-211201T0500Z/
/O.NEW.KGRR.SC.Y.0101.211201T1400Z-211203T0300Z/
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-
949 PM EST Tue Nov 30 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM WEDNESDAY TO 10 PM
EST THURSDAY...
...SMALL CRAFT THIS EVENING IS CANCELLED...

* WHAT...Southwest winds 10 to 20 knots with gusts up to 30 
  knots and waves 4 to 7 feet expected.

* WHERE...St Joseph to Manistee.

* WHEN...From 9 AM Wednesday to 10 PM EST 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.

&&

$$
7 follow-up statements
034 
WHUS73 KGRR 010836
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
336 AM EST Wed Dec 1 2021

LMZ844>849-011645-
/O.CON.KGRR.SC.Y.0101.211201T1400Z-211203T0300Z/
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-
336 AM EST Wed Dec 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 10 PM EST THURSDAY...

* WHAT...Southwest winds 10 to 20 knots with gusts up to 30 
  knots and waves 4 to 7 feet expected.

* WHERE...St Joseph to Manistee.

* WHEN...From 9 AM Wednesday to 10 PM EST 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.

&&

$$

wdm
897 
WHUS73 KGRR 011633
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1133 AM EST Wed Dec 1 2021

LMZ844>849-020045-
/O.CON.KGRR.SC.Y.0101.000000T0000Z-211203T0300Z/
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-
1133 AM EST Wed Dec 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST
THURSDAY...

* WHAT...South winds 15 to 25 knots today then southwest to 30
  knots tonight and northwest to 30 knots Thursday. Waves 4 to 7 
  feet.

* WHERE...St Joseph to Manistee.

* WHEN...Until 10 PM EST 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.

&&

$$
933 
WHUS73 KGRR 020142
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
842 PM EST Wed Dec 1 2021

LMZ844>849-020945-
/O.CON.KGRR.SC.Y.0101.000000T0000Z-211203T0300Z/
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-
842 PM EST Wed Dec 1 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST
THURSDAY...

* WHAT...Southwest to 30 knots tonight and northwest to 30 knots 
  Thursday. Waves 4 to 8 feet.

* WHERE...St Joseph to Manistee.

* WHEN...Until 10 PM EST 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.

&&

$$
349 
WHUS73 KGRR 020910
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
410 AM EST Thu Dec 2 2021

LMZ844>849-021715-
/O.CON.KGRR.SC.Y.0101.000000T0000Z-211203T0300Z/
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-
410 AM EST Thu Dec 2 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS
EVENING...

* WHAT...Northwest winds to 30 knots this morning becoming 10 to
  20 knots by evening. Waves 5 to 8 feet today subsiding to 2 to 4
  feet overnight.

* WHERE...St Joseph to Manistee.

* WHEN...Until 10 PM EST 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.

&&

$$

DUKE
513 
WHUS73 KGRR 021445
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
945 AM EST Thu Dec 2 2021

LMZ846>848-022245-
/O.UPG.KGRR.SC.Y.0101.000000T0000Z-211203T0300Z/
/O.NEW.KGRR.GL.W.0019.211202T1445Z-211202T2100Z/
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-
945 AM EST Thu Dec 2 2021

...GALE WARNING IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...

* WHAT...Northwest winds 20 to 30 knots with gusts up to 40 
  knots and waves 5 to 7 feet.

* WHERE...Holland to Pentwater.

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

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LMZ844-845-849-022245-
/O.CON.KGRR.SC.Y.0101.000000T0000Z-211203T0300Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Pentwater to Manistee MI-
945 AM EST Thu Dec 2 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS
EVENING...

* WHAT...Northwest winds to 30 knots becoming 10 to 20 knots this
  evening. Waves 5 to 8 feet today subsiding to 2 to 4 feet late
  tonight.

* WHERE...St Joseph to Manistee.

* WHEN...Until 10 PM EST 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.

&&

$$
446 
WHUS73 KGRR 021911
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
211 PM EST Thu Dec 2 2021

LMZ846>848-030315-
/O.CAN.KGRR.GL.W.0019.000000T0000Z-211202T2100Z/
/O.EXB.KGRR.SC.Y.0101.000000T0000Z-211203T0600Z/
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-
211 PM EST Thu Dec 2 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST FRIDAY...
...GALE WARNING IS CANCELLED...

* WHAT...Northwest winds to 30 knots and waves 4 to 7 feet.

* WHERE...Holland to Pentwater.

* WHEN...Until 1 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ844-845-849-030315-
/O.EXT.KGRR.SC.Y.0101.000000T0000Z-211203T0600Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Pentwater to Manistee MI-
211 PM EST Thu Dec 2 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EST FRIDAY...

* WHAT...Northwest winds 15 to 25 knots and waves 3 to 6 feet.

* WHERE...St Joseph to Holland, and Pentwater to Manistee MI.

* WHEN...Until 1 AM EST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
505 
WHUS73 KGRR 030147
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
847 PM EST Thu Dec 2 2021

LMZ844>849-030600-
/O.CON.KGRR.SC.Y.0101.000000T0000Z-211203T0600Z/
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-
847 PM EST Thu Dec 2 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST FRIDAY...

* WHAT...North winds 10 to 15 knots with gusts up to 20 knots 
  and waves 3 to 6 feet.

* WHERE...St Joseph to Manistee.

* WHEN...Until 1 AM EST Friday.

* 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.