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2 products issued by NWS for: 8NM SSE Copper Harbor MI
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Heavy Freezing Spray Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
424 PM EST Fri Feb 28 2020

LSZ245>248-265-290530-
/O.CON.KMQT.UP.W.0008.000000T0000Z-200229T0600Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
424 PM EST Fri Feb 28 2020

...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 1 AM EST
SATURDAY...

* WHAT...Heavy freezing spray at a rate of 2 cm per hour or
  greater occurring, and may rapidly accumulate on vessels.

* WHERE...Lake Superior West of Line from Manitou Island to
  Marquette MI Beyond 5NM from shore, Huron Islands to Marquette
  MI, Manitou Island to Point Isabelle MI, Lower Entrance of
  Portage Canal To Huron Islands MI Including Keweenaw and Huron
  Bays and Point Isabelle to Lower Entrance of Portage Canal MI.

* WHEN...Until 1 AM EST Saturday.

* IMPACTS...Operating a vessel in heavy freezing spray is
  hazardous. Freezing spray may render mechanical and electronic
  components inoperative. Rapid ice accretion on decks and
  superstructures may result in a catastrophic loss of stability.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.

&&

$$



Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Marquette MI
303 PM EST Fri Feb 28 2020

LSZ162-240>251-263>267-292015-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
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 from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
303 PM EST Fri Feb 28 2020 /203 PM CST Fri Feb 28 2020/

This Hazardous Weather Outlook is for portions of Eastern Lake
Superior...Central Lake Superior and Western Lake Superior.

.DAY ONE...Tonight

Heavy freezing spray and northwest gale force gusts to 35 knots
will continue into this evening for the east half portions of Lake
Superior. See the latest Marine Weather Statement and Open Lake
Forecast for additional information.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

The need for weather spotter reports is not anticipated at this
time.

$$



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Silver Spring, MD 20910
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Page last modified: May 16, 2007
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