741 
WHUS53 KGRR 010111
SMWGRR
LMZ849-868-010215-
/O.NEW.KGRR.MA.W.0044.260701T0111Z-260701T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Grand Rapids MI
911 PM EDT Tue Jun 30 2026

The National Weather Service in Grand Rapids has issued a

* Special Marine Warning for...
  Nearshore and Open Waters from Pentwater to Manistee MI...

* Until 1015 PM EDT.

* At 910 PM EDT, a strong thunderstorm was located 10 nm northwest of
  Big Sable Point Light, moving east at 30 knots.

  HAZARD...Wind gusts to 40 knots and small hail.

  SOURCE...Radar.

  IMPACT...Small craft could be damaged in briefly higher winds and 
           suddenly higher waves.

* Locations impacted include...
  Ludington Light and Pentwater Pier Heads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

&&

LAT...LON 4426 8635 4412 8643 4406 8652 4394 8645
      4385 8643 4378 8644 4378 8660 4383 8708
      4411 8701 4421 8697 4428 8646
TIME...MOT...LOC 0110Z 264DEG 28KT 4414 8674 

HAIL...<.75IN
WIND...40KTS

$$

TJT


581 
WHUS54 KLIX 010137
SMWLIX
GMZ536-557-577-010230-
/O.NEW.KLIX.MA.W.0210.260701T0137Z-260701T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service New Orleans LA
837 PM CDT Tue Jun 30 2026

The National Weather Service in New Orleans has issued a

* Special Marine Warning for...
  Chandeleur Sound...
  Coastal waters from Pascagoula Mississippi to Stake Island
  Louisiana out 20 to 60 NM...
  Coastal waters from Pascagoula Mississippi to Stake Island out 20
  NM...

* Until 930 PM CDT.

* At 836 PM CDT, a cluster of severe thunderstorms was located 16 nm
  south of Horn Island, moving west at 15 knots.

  HAZARD...Wind gusts to 40 knots and small hail.

  SOURCE...Radar.

  IMPACT...Small craft could be damaged in briefly higher winds and 
           suddenly higher waves.

* The cluster of severe thunderstorms will remain over mainly open
  waters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Strong winds will be dangerous for boaters or anyone near the water.
Make sure all on board are wearing life jackets. Seek shelter or move
to safe harbor until hazardous weather passes.

Frequent lightning is occurring with these storms. If caught on the
open water stay below deck if possible, keep away from ungrounded
metal objects.

&&

LAT...LON 3006 8837 2977 8829 2975 8898 3010 8894
TIME...MOT...LOC 0136Z 092DEG 16KT 2995 8854 

HAIL...<.75IN
WIND...40KTS

$$