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Wednesday, Jul 30, 2025 18:04:49

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Small Craft Advisory 0066
Issued by the Grand Rapids Forecast Office

Action Issued Starts Expiration
New 2025-07-22 14:40:25 2025-07-23 04:00:00 2025-07-24 04:00:00
Continued 2025-07-22 21:05:32 2025-07-23 04:00:00 2025-07-24 04:00:00
Continued 2025-07-23 03:04:42 2025-07-23 04:00:00 2025-07-24 04:00:00
Continued 2025-07-23 11:06:28 2025-07-24 04:00:00
Continued 2025-07-23 14:34:33 2025-07-24 04:00:00
Continued 2025-07-23 20:57:45 2025-07-24 04:00:00
Cancelled 2025-07-23 23:03:49 2025-07-24 04:00:00


Action: New
Issued At: 2025-07-22 14:40:25

540 
WHUS73 KGRR 221940
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
340 PM EDT Tue Jul 22 2025

LMZ847>849-230400-
/O.NEW.KGRR.SC.Y.0066.250723T0900Z-250724T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
340 PM EDT Tue Jul 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM WEDNESDAY TO 5 AM EDT
THURSDAY...

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

* WHERE...Grand Haven to Manistee.

* WHEN...From 5 AM Wednesday to 5 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.

&&

$$


Action: Continued
Issued At: 2025-07-22 21:05:32

409 
WHUS73 KGRR 230205
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1005 PM EDT Tue Jul 22 2025

LMZ847>849-231015-
/O.CON.KGRR.SC.Y.0066.250723T0900Z-250724T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
1005 PM EDT Tue Jul 22 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 AM WEDNESDAY TO
5 AM EDT THURSDAY...

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

* WHERE...Grand Haven to Manistee.

* WHEN...From 5 AM Wednesday to 5 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.

&&

$$


Action: Continued
Issued At: 2025-07-23 03:04:42

731 
WHUS73 KGRR 230804
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
404 AM EDT Wed Jul 23 2025

LMZ847>849-231615-
/O.CON.KGRR.SC.Y.0066.250723T0900Z-250724T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
404 AM EDT Wed Jul 23 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT
THURSDAY...

* WHAT...South winds 10 to 20 knots with gusts up to 30 knots and
  waves building to 3 to 5 feet are expected.

* WHERE...Grand Haven to Manistee.

* WHEN...Until 5 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.

&&

$$

DUKE


Action: Continued
Issued At: 2025-07-23 11:06:28

196 
WHUS73 KGRR 231606
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1206 PM EDT Wed Jul 23 2025

LMZ847>849-240015-
/O.CON.KGRR.SC.Y.0066.000000T0000Z-250724T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
1206 PM EDT Wed Jul 23 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT
THURSDAY...

* WHAT...South winds 10 to 20 knots with gusts up to 30 knots 
  and waves building to 3 to 5 feet are expected.

* WHERE...Grand Haven to Manistee.

* WHEN...Until 5 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.

&&

$$


Action: Continued
Issued At: 2025-07-23 14:34:33

742 
WHUS73 KGRR 231933
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
333 PM EDT Wed Jul 23 2025

LMZ847>849-240900-
/O.CON.KGRR.SC.Y.0066.000000T0000Z-250724T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
333 PM EDT Wed Jul 23 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT
THURSDAY...

* WHAT...South winds around 15 knots with gusts up to 25 knots 
  and waves 2 to 5 feet.

* WHERE...Grand Haven to Manistee.

* WHEN...Until 5 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.

&&

$$


Action: Continued
Issued At: 2025-07-23 20:57:45

746 
WHUS73 KGRR 240157
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
957 PM EDT Wed Jul 23 2025

LMZ847>849-240900-
/O.CON.KGRR.SC.Y.0066.000000T0000Z-250724T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
957 PM EDT Wed Jul 23 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT
THURSDAY...

* WHAT...South winds around 15 knots with gusts up to 25 knots 
  and waves 2 to 5 feet.

* WHERE...Grand Haven to Manistee.

* WHEN...Until 5 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.

&&

$$


Action: Cancelled
Issued At: 2025-07-23 23:03:49

801 
WHUS73 KGRR 240403
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1203 AM EDT Thu Jul 24 2025

LMZ847>849-240515-
/O.CAN.KGRR.SC.Y.0066.000000T0000Z-250724T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
1203 AM EDT Thu Jul 24 2025

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds and waves have decreased.

$$



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