2 products issued by NWS for: 4 Miles W Copper Harbor MI
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Marquette MI 459 AM EDT Tue Jul 15 2025 MIZ001>007-009>014-084-085-160900- Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce- Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft- Southern Houghton-Northern Schoolcraft- 459 AM EDT Tue Jul 15 2025 /359 AM CDT Tue Jul 15 2025/ This Hazardous Weather Outlook is for portions of central Upper Michigan and western Upper Michigan. .DAY ONE...Today and Tonight There is a Slight Risk (level 2 of 5) for severe thunderstorms and a Slight Risk (level 2 of 5) for flash flooding across northern and western Upper Michigan today with Marginal Risks (level 1 of 5) of both hazards for the rest of the UP. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Thunderstorm chances will continue through Wednesday night. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. $$
Marine Weather Statement
Marine Weather Statement
National Weather Service Marquette MI
941 AM EDT Tue Jul 15 2025
LSZ245>248-265-151430-
941 AM EDT Tue Jul 15 2025
...STRONG THUNDERSTORMS APPROACHING THE WATERS...
The areas affected include...
Huron Islands to Marquette MI...
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore...
Manitou Island to Point Isabelle MI...
Point Isabelle to Lower Entrance of Portage Canal MI...
Portage Lake to Huron Island MI to Lower Entrance of Portage Canal
To Huron Islands MI Including Keweenaw and Huron Bays...
At 940 AM EDT, Doppler radar indicated strong thunderstorms, capable
of producing winds to around 30 knots and small hail. These
thunderstorms were located along a line extending from near Brockway
Mountain to 8 nm southwest of The Lower Entrance of Portage Canal to
44 nm southwest of The Upper Entrance of Portage Canal, moving east
at 30 knots.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners can expect gusty winds to around 30 knots, locally higher
waves, and lightning strikes. Boaters should seek safe harbor
immediately until these storms pass.
These strong thunderstorms will likely produce winds to around 30
knots, and could pose a serious hazard for boaters. A special marine
warning may eventually be required when these strong thunderstorms
reaches the nearshore waters. Boaters should consider heading for
shore before these strong thunderstorms arrives.
&&
LAT...LON 4748 8780 4742 8771 4742 8759 4724 8752
4689 8785 4685 8794 4686 8816 4678 8827
4682 8835 4672 8842 4672 8853 4695 8852
4702 8855 4722 8837 4716 8834 4733 8807
4741 8805 4739 8822 4746 8814
$$
DT