Marine Weather Statement for Huron Islands to Marquette MI; Marquette to Munising 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
Official alert fields
What you need to know
- Applies to
- 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, Marquette to Munising MI
- Effective
- Ended
- Official severity
- Minor
- Official urgency
- Expected
- Official certainty
- Observed
What is happening
The areas affected include... 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... Marquette to Munising MI... At 502 PM EDT, Doppler radar indicated a strong thunderstorm, capable...
What the bulletin says to do
A Tornado Watch remains in effect until midnight EDT for north central Upper Michigan...and the adjacent waters of Lake Superior. 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.
Full official description
Bulletin details
The areas affected include... 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... Marquette to Munising MI... At 502 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and small hail. This thunderstorm was located 24 nm south of The Huron Islands, or 29 nm west of Presque Isle, moving east at 45 knots.
Lifecycle record
Official revisions
- Alert
Marine Weather Statement issued July 20 at 5:02PM EDT by NWS Marquette MI
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Marquette MI. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected