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Small Craft Advisory 0011
Issued by the Grand Rapids Forecast Office

Action Issued Starts Expiration
New 2026-03-21 11:15:49 2026-03-22 07:00:00 2026-03-23 04:00:00
New 2026-03-21 11:15:49 2026-03-22 13:00:00 2026-03-23 10:00:00
Continued 2026-03-21 20:30:36 2026-03-22 07:00:00 2026-03-23 04:00:00
Continued 2026-03-21 20:30:36 2026-03-22 13:00:00 2026-03-23 10:00:00
Continued 2026-03-22 02:26:47 2026-03-22 07:00:00 2026-03-23 04:00:00
Continued 2026-03-22 02:26:47 2026-03-22 13:00:00 2026-03-23 10:00:00
Continued 2026-03-22 09:11:15 2026-03-23 04:00:00
Continued 2026-03-22 09:11:15 2026-03-22 13:00:00 2026-03-23 10:00:00
Time Extended 2026-03-22 13:50:23 2026-03-23 13:00:00
Time Extended 2026-03-22 13:50:23 2026-03-23 19:00:00
Continued 2026-03-22 20:28:34 2026-03-23 19:00:00
Continued 2026-03-22 20:28:34 2026-03-23 13:00:00
Continued 2026-03-23 02:19:15 2026-03-23 13:00:00
Continued 2026-03-23 02:19:15 2026-03-23 19:00:00
Continued 2026-03-23 10:02:02 2026-03-23 13:00:00
Continued 2026-03-23 10:02:02 2026-03-23 19:00:00
Time Extended 2026-03-23 12:41:52 2026-03-23 16:00:00
Continued 2026-03-23 12:41:52 2026-03-23 19:00:00
Time Extended 2026-03-23 12:41:52 2026-03-23 19:00:00
Expired 2026-03-23 16:01:42 2026-03-23 16:00:00
Time Extended 2026-03-23 16:01:42 2026-03-23 22:00:00
Expired 2026-03-23 21:55:41 2026-03-23 22:00:00


Action: New
Issued At: 2026-03-21 11:15:49

923 
WHUS73 KGRR 211615
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1215 PM EDT Sat Mar 21 2026

LMZ847>849-220015-
/O.NEW.KGRR.SC.Y.0011.260322T1200Z-260323T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
1215 PM EDT Sat Mar 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM SUNDAY TO 5 AM EDT
MONDAY...

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

* WHERE...Grand Haven to Manistee.

* WHEN...From 8 AM Sunday to 5 AM EDT Monday.

* 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>846-220015-
/O.NEW.KGRR.SC.Y.0011.260322T1800Z-260323T1500Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
1215 PM EDT Sat Mar 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 11 AM EDT
MONDAY...

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

* WHERE...St Joseph to Grand Haven.

* WHEN...From 2 PM Sunday to 11 AM EDT Monday.

* 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: New
Issued At: 2026-03-21 11:15:49

923 
WHUS73 KGRR 211615
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1215 PM EDT Sat Mar 21 2026

LMZ847>849-220015-
/O.NEW.KGRR.SC.Y.0011.260322T1200Z-260323T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
1215 PM EDT Sat Mar 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM SUNDAY TO 5 AM EDT
MONDAY...

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

* WHERE...Grand Haven to Manistee.

* WHEN...From 8 AM Sunday to 5 AM EDT Monday.

* 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>846-220015-
/O.NEW.KGRR.SC.Y.0011.260322T1800Z-260323T1500Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
1215 PM EDT Sat Mar 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 11 AM EDT
MONDAY...

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

* WHERE...St Joseph to Grand Haven.

* WHEN...From 2 PM Sunday to 11 AM EDT Monday.

* 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: 2026-03-21 20:30:36

129 
WHUS73 KGRR 220130
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
930 PM EDT Sat Mar 21 2026

LMZ847>849-220930-
/O.CON.KGRR.SC.Y.0011.260322T1200Z-260323T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
930 PM EDT Sat Mar 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM SUNDAY TO
5 AM EDT MONDAY...

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

* WHERE...Grand Haven to Manistee.

* WHEN...From 8 AM Sunday to 5 AM EDT Monday.

* 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>846-220930-
/O.CON.KGRR.SC.Y.0011.260322T1800Z-260323T1500Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
930 PM EDT Sat Mar 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
11 AM EDT MONDAY...

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

* WHERE...St Joseph to Grand Haven.

* WHEN...From 2 PM Sunday to 11 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Thomas


Action: Continued
Issued At: 2026-03-21 20:30:36

129 
WHUS73 KGRR 220130
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
930 PM EDT Sat Mar 21 2026

LMZ847>849-220930-
/O.CON.KGRR.SC.Y.0011.260322T1200Z-260323T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
930 PM EDT Sat Mar 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM SUNDAY TO
5 AM EDT MONDAY...

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

* WHERE...Grand Haven to Manistee.

* WHEN...From 8 AM Sunday to 5 AM EDT Monday.

* 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>846-220930-
/O.CON.KGRR.SC.Y.0011.260322T1800Z-260323T1500Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
930 PM EDT Sat Mar 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO
11 AM EDT MONDAY...

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

* WHERE...St Joseph to Grand Haven.

* WHEN...From 2 PM Sunday to 11 AM EDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Thomas


Action: Continued
Issued At: 2026-03-22 02:26:47

823 
WHUS73 KGRR 220726
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
326 AM EDT Sun Mar 22 2026

LMZ847>849-221530-
/O.CON.KGRR.SC.Y.0011.260322T1200Z-260323T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
326 AM EDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 5 AM EDT MONDAY...

* WHAT...North winds to 25 knots and waves 3 to 6 feet expected.

* WHERE...Grand Haven to Manistee.

* WHEN...From 8 AM Sunday to 5 AM EDT Monday.

* 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>846-221530-
/O.CON.KGRR.SC.Y.0011.260322T1800Z-260323T1500Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
326 AM EDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 11 AM EDT MONDAY...

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

* WHERE...St Joseph to Grand Haven.

* WHEN...From 2 PM Sunday to 11 AM EDT Monday.

* 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: 2026-03-22 02:26:47

823 
WHUS73 KGRR 220726
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
326 AM EDT Sun Mar 22 2026

LMZ847>849-221530-
/O.CON.KGRR.SC.Y.0011.260322T1200Z-260323T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
326 AM EDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 5 AM EDT MONDAY...

* WHAT...North winds to 25 knots and waves 3 to 6 feet expected.

* WHERE...Grand Haven to Manistee.

* WHEN...From 8 AM Sunday to 5 AM EDT Monday.

* 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>846-221530-
/O.CON.KGRR.SC.Y.0011.260322T1800Z-260323T1500Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
326 AM EDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 11 AM EDT MONDAY...

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

* WHERE...St Joseph to Grand Haven.

* WHEN...From 2 PM Sunday to 11 AM EDT Monday.

* 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: 2026-03-22 09:11:15

689 
WHUS73 KGRR 221410
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1010 AM EDT Sun Mar 22 2026

LMZ847>849-222215-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260323T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
1010 AM EDT Sun Mar 22 2026

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

* WHAT...North winds 15 to 25 knots with gusts up to 30 knots 
  and waves 3 to 6 feet.

* WHERE...Grand Haven to Manistee.

* WHEN...Until 5 AM EDT Monday.

* 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>846-222215-
/O.CON.KGRR.SC.Y.0011.260322T1800Z-260323T1500Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
1010 AM EDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 11 AM EDT MONDAY...

* WHAT...North winds 15 to 20 knots with gusts up to 25 knots 
  and waves 4 to 7 feet expected.

* WHERE...St Joseph to Grand Haven.

* WHEN...From 2 PM this afternoon to 11 AM EDT Monday.

* 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: 2026-03-22 09:11:15

689 
WHUS73 KGRR 221410
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1010 AM EDT Sun Mar 22 2026

LMZ847>849-222215-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260323T0900Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
1010 AM EDT Sun Mar 22 2026

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

* WHAT...North winds 15 to 25 knots with gusts up to 30 knots 
  and waves 3 to 6 feet.

* WHERE...Grand Haven to Manistee.

* WHEN...Until 5 AM EDT Monday.

* 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>846-222215-
/O.CON.KGRR.SC.Y.0011.260322T1800Z-260323T1500Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
1010 AM EDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 11 AM EDT MONDAY...

* WHAT...North winds 15 to 20 knots with gusts up to 25 knots 
  and waves 4 to 7 feet expected.

* WHERE...St Joseph to Grand Haven.

* WHEN...From 2 PM this afternoon to 11 AM EDT Monday.

* 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: 2026-03-22 13:50:23

611 
WHUS73 KGRR 221850
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
250 PM EDT Sun Mar 22 2026

LMZ847>849-230300-
/O.EXT.KGRR.SC.Y.0011.000000T0000Z-260323T1800Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
250 PM EDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM EDT MONDAY...

* WHAT...North winds 15 to 25 knots with gusts up to 30 knots 
  and waves 3 to 6 feet.

* WHERE...Grand Haven to Manistee.

* WHEN...Until 2 PM EDT Monday.

* 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>846-230300-
/O.EXT.KGRR.SC.Y.0011.000000T0000Z-260324T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
250 PM EDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT MONDAY...

* WHAT...North winds 10 to 20 knots with gusts up to 25 knots 
  and waves 4 to 7 feet.

* WHERE...St Joseph to Grand Haven.

* WHEN...Until 8 PM EDT Monday.

* 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: 2026-03-22 13:50:23

611 
WHUS73 KGRR 221850
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
250 PM EDT Sun Mar 22 2026

LMZ847>849-230300-
/O.EXT.KGRR.SC.Y.0011.000000T0000Z-260323T1800Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
250 PM EDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM EDT MONDAY...

* WHAT...North winds 15 to 25 knots with gusts up to 30 knots 
  and waves 3 to 6 feet.

* WHERE...Grand Haven to Manistee.

* WHEN...Until 2 PM EDT Monday.

* 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>846-230300-
/O.EXT.KGRR.SC.Y.0011.000000T0000Z-260324T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
250 PM EDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT MONDAY...

* WHAT...North winds 10 to 20 knots with gusts up to 25 knots 
  and waves 4 to 7 feet.

* WHERE...St Joseph to Grand Haven.

* WHEN...Until 8 PM EDT Monday.

* 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: 2026-03-22 20:28:34

400 
WHUS73 KGRR 230128
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
928 PM EDT Sun Mar 22 2026

LMZ847>849-231000-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260323T1800Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
928 PM EDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT MONDAY...

* WHAT...North winds 15 to 20 knots with gusts up to 25 knots 
  and waves 3 to 6 feet.

* WHERE...Grand Haven to Manistee.

* WHEN...Until 2 PM EDT Monday.

* 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>846-231000-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260324T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
928 PM EDT Sun Mar 22 2026

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

* WHAT...North winds 15 to 20 knots with gusts up to 25 knots 
  and waves 4 to 7 feet.

* WHERE...St Joseph to Grand Haven.

* WHEN...Until 8 PM EDT Monday.

* 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: 2026-03-22 20:28:34

400 
WHUS73 KGRR 230128
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
928 PM EDT Sun Mar 22 2026

LMZ847>849-231000-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260323T1800Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
928 PM EDT Sun Mar 22 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT MONDAY...

* WHAT...North winds 15 to 20 knots with gusts up to 25 knots 
  and waves 3 to 6 feet.

* WHERE...Grand Haven to Manistee.

* WHEN...Until 2 PM EDT Monday.

* 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>846-231000-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260324T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
928 PM EDT Sun Mar 22 2026

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

* WHAT...North winds 15 to 20 knots with gusts up to 25 knots 
  and waves 4 to 7 feet.

* WHERE...St Joseph to Grand Haven.

* WHEN...Until 8 PM EDT Monday.

* 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: 2026-03-23 02:19:15

477 
WHUS73 KGRR 230718
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
318 AM EDT Mon Mar 23 2026

LMZ847>849-231530-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260323T1800Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
318 AM EDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...

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

* WHERE...Grand Haven to Manistee.

* WHEN...Until 2 PM EDT Monday.

* 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>846-231530-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260324T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
318 AM EDT Mon Mar 23 2026

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

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

* WHERE...St Joseph to Grand Haven.

* WHEN...Until 8 PM EDT Monday.

* 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: 2026-03-23 02:19:15

477 
WHUS73 KGRR 230718
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
318 AM EDT Mon Mar 23 2026

LMZ847>849-231530-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260323T1800Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
318 AM EDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...

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

* WHERE...Grand Haven to Manistee.

* WHEN...Until 2 PM EDT Monday.

* 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>846-231530-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260324T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
318 AM EDT Mon Mar 23 2026

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

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

* WHERE...St Joseph to Grand Haven.

* WHEN...Until 8 PM EDT Monday.

* 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: 2026-03-23 10:02:02

424 
WHUS73 KGRR 231501
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1101 AM EDT Mon Mar 23 2026

LMZ847>849-231800-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260323T1800Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
1101 AM EDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...

* WHAT...North winds 15 to 20 knots and waves 3 to 5 feet.

* WHERE...Grand Haven to Manistee.

* WHEN...Until 2 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>846-232315-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260324T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
1101 AM EDT Mon Mar 23 2026

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

* WHAT...North winds 10 to 20 knots and waves 3 to 6 feet.

* WHERE...St Joseph to Grand Haven.

* WHEN...Until 8 PM EDT 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.

&&

$$


Action: Continued
Issued At: 2026-03-23 10:02:02

424 
WHUS73 KGRR 231501
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1101 AM EDT Mon Mar 23 2026

LMZ847>849-231800-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260323T1800Z/
Grand Haven to Whitehall MI-Whitehall to Pentwater MI-
Pentwater to Manistee MI-
1101 AM EDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...

* WHAT...North winds 15 to 20 knots and waves 3 to 5 feet.

* WHERE...Grand Haven to Manistee.

* WHEN...Until 2 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>846-232315-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260324T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
1101 AM EDT Mon Mar 23 2026

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

* WHAT...North winds 10 to 20 knots and waves 3 to 6 feet.

* WHERE...St Joseph to Grand Haven.

* WHEN...Until 8 PM EDT 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.

&&

$$


Action: Time Extended
Issued At: 2026-03-23 12:41:52

113 
WHUS73 KGRR 231741
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
141 PM EDT Mon Mar 23 2026

LMZ848-849-232100-
/O.EXT.KGRR.SC.Y.0011.000000T0000Z-260323T2100Z/
Whitehall to Pentwater MI-Pentwater to Manistee MI-
141 PM EDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

* WHAT...North winds 15 to 20 knots with gusts up to 25 knots 
  and waves 3 to 5 feet.

* WHERE...Whitehall to Manistee.

* WHEN...Until 5 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.

&&

$$

LMZ847-240000-
/O.EXT.KGRR.SC.Y.0011.000000T0000Z-260324T0000Z/
Grand Haven to Whitehall MI-
141 PM EDT Mon Mar 23 2026

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

* WHAT...Northwest winds 15 to 20 knots with gusts up to 25 
  knots and waves 3 to 5 feet.

* WHERE...Grand Haven to Whitehall MI.

* WHEN...Until 8 PM EDT 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.

&&

$$

LMZ844>846-240000-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260324T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
141 PM EDT Mon Mar 23 2026

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

* WHAT...North winds 15 to 20 knots with gusts up to 25 knots 
  and waves 3 to 6 feet.

* WHERE...St Joseph to Grand Haven.

* WHEN...Until 8 PM EDT 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.

&&

$$

Thomas


Action: Continued
Issued At: 2026-03-23 12:41:52

113 
WHUS73 KGRR 231741
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
141 PM EDT Mon Mar 23 2026

LMZ848-849-232100-
/O.EXT.KGRR.SC.Y.0011.000000T0000Z-260323T2100Z/
Whitehall to Pentwater MI-Pentwater to Manistee MI-
141 PM EDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

* WHAT...North winds 15 to 20 knots with gusts up to 25 knots 
  and waves 3 to 5 feet.

* WHERE...Whitehall to Manistee.

* WHEN...Until 5 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.

&&

$$

LMZ847-240000-
/O.EXT.KGRR.SC.Y.0011.000000T0000Z-260324T0000Z/
Grand Haven to Whitehall MI-
141 PM EDT Mon Mar 23 2026

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

* WHAT...Northwest winds 15 to 20 knots with gusts up to 25 
  knots and waves 3 to 5 feet.

* WHERE...Grand Haven to Whitehall MI.

* WHEN...Until 8 PM EDT 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.

&&

$$

LMZ844>846-240000-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260324T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
141 PM EDT Mon Mar 23 2026

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

* WHAT...North winds 15 to 20 knots with gusts up to 25 knots 
  and waves 3 to 6 feet.

* WHERE...St Joseph to Grand Haven.

* WHEN...Until 8 PM EDT 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.

&&

$$

Thomas


Action: Time Extended
Issued At: 2026-03-23 12:41:52

113 
WHUS73 KGRR 231741
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
141 PM EDT Mon Mar 23 2026

LMZ848-849-232100-
/O.EXT.KGRR.SC.Y.0011.000000T0000Z-260323T2100Z/
Whitehall to Pentwater MI-Pentwater to Manistee MI-
141 PM EDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EDT THIS
AFTERNOON...

* WHAT...North winds 15 to 20 knots with gusts up to 25 knots 
  and waves 3 to 5 feet.

* WHERE...Whitehall to Manistee.

* WHEN...Until 5 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.

&&

$$

LMZ847-240000-
/O.EXT.KGRR.SC.Y.0011.000000T0000Z-260324T0000Z/
Grand Haven to Whitehall MI-
141 PM EDT Mon Mar 23 2026

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

* WHAT...Northwest winds 15 to 20 knots with gusts up to 25 
  knots and waves 3 to 5 feet.

* WHERE...Grand Haven to Whitehall MI.

* WHEN...Until 8 PM EDT 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.

&&

$$

LMZ844>846-240000-
/O.CON.KGRR.SC.Y.0011.000000T0000Z-260324T0000Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-
141 PM EDT Mon Mar 23 2026

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

* WHAT...North winds 15 to 20 knots with gusts up to 25 knots 
  and waves 3 to 6 feet.

* WHERE...St Joseph to Grand Haven.

* WHEN...Until 8 PM EDT 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.

&&

$$

Thomas


Action: Expired
Issued At: 2026-03-23 16:01:42

312 
WHUS73 KGRR 232100
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
500 PM EDT Mon Mar 23 2026

LMZ848-849-232200-
/O.EXP.KGRR.SC.Y.0011.000000T0000Z-260323T2100Z/
Whitehall to Pentwater MI-Pentwater to Manistee MI-
500 PM EDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds and waves north of Whitehall will diminish this evening.

$$

LMZ844>847-240300-
/O.EXT.KGRR.SC.Y.0011.000000T0000Z-260324T0300Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
500 PM EDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...Northwest winds 15 to 25 knots and waves 3 to 5 feet.

* WHERE...St Joseph to Whitehall.

* WHEN...Until 11 PM EDT 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.

&&

$$


Action: Time Extended
Issued At: 2026-03-23 16:01:42

312 
WHUS73 KGRR 232100
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
500 PM EDT Mon Mar 23 2026

LMZ848-849-232200-
/O.EXP.KGRR.SC.Y.0011.000000T0000Z-260323T2100Z/
Whitehall to Pentwater MI-Pentwater to Manistee MI-
500 PM EDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY HAS EXPIRED...

Winds and waves north of Whitehall will diminish this evening.

$$

LMZ844>847-240300-
/O.EXT.KGRR.SC.Y.0011.000000T0000Z-260324T0300Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
500 PM EDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...Northwest winds 15 to 25 knots and waves 3 to 5 feet.

* WHERE...St Joseph to Whitehall.

* WHEN...Until 11 PM EDT 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.

&&

$$


Action: Expired
Issued At: 2026-03-23 21:55:41

874 
WHUS73 KGRR 240255
MWWGRR

URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1055 PM EDT Mon Mar 23 2026

LMZ844>847-240400-
/O.EXP.KGRR.SC.Y.0011.000000T0000Z-260324T0300Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
1055 PM EDT Mon Mar 23 2026

...SMALL CRAFT ADVISORY WILL EXPIRE AT 11 PM EDT THIS EVENING...

Winds and waves on Lake Michigan are diminishing.

$$



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