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Small Craft Advisory 0113
Issued by the Grand Rapids Forecast Office

Action Issued Starts Expiration
New 2025-12-19 14:04:53 2025-12-19 15:00:00 2025-12-20 17:00:00
Continued 2025-12-19 14:50:24 2025-12-19 15:00:00 2025-12-20 17:00:00
Time Extended 2025-12-19 19:48:02 2025-12-20 03:00:00
Expired 2025-12-20 03:02:12 2025-12-20 03:00:00


Action: New
Issued At: 2025-12-19 14:04:53

181 
WHUS73 KGRR 192004
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
304 PM EST Fri Dec 19 2025

LMZ844>849-200415-
/O.CON.KGRR.GL.W.0035.000000T0000Z-251219T2100Z/
/O.NEW.KGRR.SC.Y.0113.251219T2100Z-251220T2300Z/
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-
304 PM EST Fri Dec 19 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST SATURDAY...

* WHAT...For the Gale Warning, northwest winds around 25 knots
  with gusts up to 35 knots and waves 7 to 10 feet. For the Small
  Craft Advisory, southwest winds 20 to 30 knots and waves 6 to 9
  feet expected.

* WHERE...St Joseph to Manistee.

* WHEN...For the Gale Warning, until 4 PM EST this afternoon. 
  For the Small Craft Advisory, until 6 PM EST Saturday.

* 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 hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-19 14:50:24

378 
WHUS73 KGRR 192049
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
349 PM EST Fri Dec 19 2025

LMZ844>849-200500-
/O.EXP.KGRR.GL.W.0035.000000T0000Z-251219T2100Z/
/O.CON.KGRR.SC.Y.0113.251219T2100Z-251220T2300Z/
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-
349 PM EST Fri Dec 19 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST
SATURDAY...
...GALE WARNING WILL EXPIRE AT 4 PM EST THIS AFTERNOON...

* WHAT...Southwest winds 20 to 30 knots and waves 6 to 9 feet 
  expected.

* WHERE...St Joseph to Manistee.

* WHEN...Until 6 PM EST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$


Action: Time Extended
Issued At: 2025-12-19 19:48:02

518 
WHUS73 KGRR 200147
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
847 PM EST Fri Dec 19 2025

LMZ844>849-201000-
/O.EXT.KGRR.SC.Y.0113.000000T0000Z-251220T0900Z/
/O.NEW.KGRR.GL.W.0036.251220T0900Z-251220T1800Z/
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 Fri Dec 19 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EST SATURDAY...
...GALE WARNING IN EFFECT FROM 4 AM TO 1 PM EST SATURDAY...

* WHAT...For the Small Craft Advisory, south winds 15 to 25 
  knots with gusts up to 30 knots and waves 3 to 6 feet. For the 
  Gale Warning, south winds 20 to 30 knots with gusts up to 40 
  knots and waves 7 to 10 feet expected.

* WHERE...St Joseph to Manistee.

* WHEN...For the Small Craft Advisory, until 4 AM EST Saturday. 
  For the Gale Warning, from 4 AM to 1 PM EST Saturday.

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

* ADDITIONAL DETAILS...An additional Gale Warning will likely be
  needed Saturday night for northwest gales.

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 hazardous conditions.

&&

$$


Action: Expired
Issued At: 2025-12-20 03:02:12

375 
WHUS73 KGRR 200901
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
401 AM EST Sat Dec 20 2025

LMZ844>849-201715-
/O.EXP.KGRR.SC.Y.0113.000000T0000Z-251220T0900Z/
/O.EXT.KGRR.GL.W.0036.000000T0000Z-251221T0600Z/
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-
401 AM EST Sat Dec 20 2025

...GALE WARNING NOW IN EFFECT UNTIL 1 AM EST SUNDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM EST EARLY THIS
MORNING...

* WHAT...Southwest winds 20 to 30 knots with gusts up to 40 
  knots and waves 7 to 12 feet expected.

* WHERE...St Joseph to Manistee.

* WHEN...Until 1 AM EST Sunday.

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

* ADDITIONAL DETAILS...While a lull will be likely this afternoon
  waves upwards of 10 feet will be likely. Northwest Gales will
  increase again this evening with waves upwards of 13 feet
  likely.  

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 hazardous conditions.

&&

$$



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