FZUS73 KMQT 180854
MWSMQT

Marine Weather Statement
National Weather Service Marquette MI
454 AM EDT Mon May 18 2026

LSZ249-180903-
/O.CAN.KMQT.MA.W.0004.000000T0000Z-260518T0915Z/
454 AM EDT Mon May 18 2026

...THE SPECIAL MARINE WARNING IS CANCELLED...

The affected areas were...
Marquette to Munising MI...

The thunderstorms are now expected to not impact the area and are no 
longer a significant threat to boaters.

&&

LAT...LON 4678 8684 4657 8725 4658 8728 4691 8762
      4713 8734 4716 8728
TIME...MOT...LOC 0853Z 218DEG 48KT 4691 8750 4656 8715 

$$

LSZ248-265-266-180915-
/O.CON.KMQT.MA.W.0004.000000T0000Z-260518T0915Z/
454 AM EDT Mon May 18 2026

...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 515 AM EDT...

For the following areas...
Huron Islands to Marquette MI...
Lake Superior East of a line from Manitou Island to Marquette MI and
West of a line from Grand Marais MI to the US/Canadian Border Beyond
5NM from shore...
Lake Superior West of Line from Manitou Island to Marquette MI Beyond
5NM from shore...

At 453 AM EDT, severe thunderstorms were located along a line
extending from 8 nm northeast of Granite Point to near Shot Point,
moving northeast at 50 knots.

HAZARD...Wind gusts 34 knots or greater and large hail.

SOURCE...Radar indicated.

IMPACT...Small craft could be damaged in briefly higher winds and 
         suddenly higher waves. Large hail could result in 
         structural damage.

Locations impacted include...
Granite Island.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4678 8684 4657 8725 4658 8728 4691 8762
      4713 8734 4716 8728
TIME...MOT...LOC 0853Z 218DEG 48KT 4691 8750 4656 8715 

HAIL...>.75IN
WIND...>34KTS

$$

TAP