Marine Weather Statement
National Weather Service Gaylord MI
1050 PM EDT Mon Jun 29 2026

LHZ345-346-361-LSZ322-300345-
1050 PM EDT Mon Jun 29 2026

A Marine Weather Statement has been issued for the following areas...
  Nearshore and open waters of Lake Huron north of Presque Isle
  Light MI...
  St. Marys River...
  Straits of Mackinac within 5 nm of Mackinac Bridge including
  Mackinac Island...

At 1048 PM EDT, Doppler radar indicated strong thunderstorms, capable
of producing winds to around 30 knots and small hail. These
thunderstorms were located along a line extending from 7 nm southwest
of Munuscong to near Point Aux Chenes, moving east at 40 knots.

Locations impacted include...
Mackinac Island, Sugar Island, Beaver Tail Point, The Mackinac
Bridge, Potagannissing Bay, Drummond Island, Neebish Island, De Tour
Village, Saint Ignace, Saint Martin Island, Mackinac Bridge, Detour
Village, Marquette Island, Saint Marys River, Lime Island, Munuscong,
and Gros Cap.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners can expect gusty winds to around 30 knots, locally higher
waves, and lightning strikes. Boaters should seek safe harbor
immediately until these storms pass.

&&

LAT...LON 4648 8412 4624 8411 4606 8395 4612 8382
      4612 8363 4608 8353 4580 8409 4580 8484
      4593 8482 4591 8479 4604 8476 4609 8468
      4602 8406 4614 8416 4613 8425 4619 8434
      4624 8434 4627 8427 4641 8433 4650 8423

$$

JZ

Marine Weather Statement
National Weather Service Duluth MN
945 PM CDT Mon Jun 29 2026

LSZ144-145-162-300315-
945 PM CDT Mon Jun 29 2026

...A STRONG THUNDERSTORM APPROACHING THE WATERS...

The areas affected include...
  Duluth MN to Port Wing WI...
  Lake Superior west of a line from Saxon Harbor WI to Grand Portage
  MN beyond 5NM...
  Two Harbors to Duluth MN...

At 945 PM CDT, Doppler radar indicated a strong thunderstorm, capable
of producing winds to around 30 knots and small hail. This
thunderstorm was located 14 nm southwest of Barkers Island, or 16 nm
southwest of Duluth Lift Bridge Channel, moving northeast at 35
knots.

The strong thunderstorm will be near...
  Barkers Island, Superior Harbor, Duluth Harbor, and Superior Entry
  around 1000 PM CDT.
  Duluth Lift Bridge Channel around 1005 PM CDT.

Other locations impacted by the strong thunderstorm include Superior
Entry.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners can expect gusty winds to around 30 knots, locally higher
waves, and lightning strikes. Boaters should seek safe harbor
immediately until this storm passes.

&&

LAT...LON 4669 9229 4668 9224 4672 9224 4680 9212
      4688 9197 4670 9170 4666 9196 4666 9203
      4671 9210 4666 9211 4665 9216 4662 9221
      4663 9228 4664 9229

$$

PA

Marine Weather Statement
National Weather Service Gaylord MI
1030 PM EDT Mon Jun 29 2026

LSZ321-322-300630-
1030 PM EDT Mon Jun 29 2026

...WATER LEVEL FLUCTUATIONS ON THE ST. MARY`S RIVER...

Water level gauges on the St. Mary`s River are indicating rapidly
changing water levels due to thunderstorms in the vicinity of
Whitefish Bay and the SOO locks.

Several cycles of water level falls and rises are likely between
10:30 PM and at least 2:30 AM perhaps longer.  Largest changes in
water levels...up to 3 feet or more...can be expected on upper
portions of the river from Point Iroquois to the locks at Sault Ste.
Marie.  Water level changes up to one foot can be expected from below
the Soo Locks to Munuscong Lake.

Mariners should be aware of rapidly rising and falling water
levels...particularly for operators above the Soo Locks.  Be sure to
monitor marine radio for information on this situation.

&&

LAT...LON 4663 8477 4652 8462 4646 8456 4645 8448
      4651 8438 4649 8431 4648 8441 4643 8446
      4641 8458 4647 8464 4643 8484 4647 8503
      4654 8511 4675 8502 4680 8483

$$

JLD

Marine Weather Statement
National Weather Service Jacksonville FL
1009 PM EDT Mon Jun 29 2026

AMZ452-472-300345-
1009 PM EDT Mon Jun 29 2026

...STRONG THUNDERSTORMS OVER THE WATERS...

The areas affected include...
  Coastal waters from Fernandina Beach to St. Augustine FL out 20
  NM...
  Waters from Fernandina Beach to St. Augustine FL from 20 to 60
  NM...

At 1009 PM EDT, Doppler radar indicated strong thunderstorms,
capable of producing winds to around 30 knots. The thunderstorms
were located 8 nm northeast of Talbot Island, or 37 nm south of St.
Simons Island, moving south at 5 knots.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners can expect gusty winds to around 30 knots, locally higher
waves, and lightning strikes. Boaters should seek safe harbor
immediately until this storm passes.

&&

LAT...LON 3073 8154 3073 8151 3072 8152 3071 8150
      3072 8149 3069 8147 3069 8146 3072 8147
      3072 8146 3069 8142 3064 8104 3016 8087
      3020 8146 3034 8148 3038 8151 3045 8149
      3051 8150 3053 8152 3070 8153 3070 8152

$$

JAX