Watches, Warnings & Advisories



3 products issued by NWS for: 4NM SE Silver Bay MN

Gale Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
402 AM CST Thu Feb 6 2025

LSZ142-143-062215-
/O.CON.KDLH.SC.Y.0020.000000T0000Z-250206T1200Z/
/O.CON.KDLH.GL.W.0011.250206T1200Z-250207T0600Z/
/O.NEW.KDLH.UP.W.0004.250206T1400Z-250207T1000Z/
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
402 AM CST Thu Feb 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY
THIS MORNING...
...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 8 AM THIS MORNING
TO 4 AM CST FRIDAY...

* WHAT...For the Small Craft Advisory, southwest winds around 15
  kt with gusts up to 25 kt and waves 2 to 3 ft. For the Gale
  Warning, west winds 15 to 25 kt with gusts up to 40 kt and
  waves 2 to 5 ft expected. For the Heavy Freezing Spray
  Warning, heavy freezing spray at a rate of 2 cm per hour or
  greater expected, and may rapidly accumulate on vessels.

* WHERE...Taconite Harbor to Silver Bay Harbor MN and Silver Bay
  Harbor to Two Harbors MN.

* WHEN...For the Small Craft Advisory, until 6 AM CST early this
  morning. For the Gale Warning, until midnight CST tonight. For
  the Heavy Freezing Spray Warning, from 8 AM this morning to 4
  AM CST Friday.

* 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.
  Strong winds will cause hazardous waves which could capsize or
  damage vessels and reduce visibility.

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.

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$



Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Duluth MN
507 AM CST Thu Feb 6 2025

LSZ121-140>148-150-071115-
Bayfield to Oak Point WI-Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
507 AM CST Thu Feb 6 2025

This Hazardous Weather Outlook is for portions of Lake Superior
and the Nearshore waters of western Lake Superior.

.DAY ONE...Today and Tonight

Strong westerly winds develop for today and tonight, with wind
gusts up to 40 knots for the Twin Ports and North Shore and up to
45 knots for the South Shore, strongest this afternoon. Gale
warnings are in effect.

The strong westerly winds, elevated wave heights, and cold
temperatures will also lead to heavy freezing spray this morning
into tonight, when a Heavy Freezing Spray Warning is in effect.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Westerly winds gradually weaken during the day on Friday, but
wind gusts up to 25 knots and lingering elevated wave heights
along the South Shore Friday morning will likely result in
hazardous conditions for smaller vessels.

$$

Rothstein

More information may be obtained at the following web address:
http://www.weather.gov/duluth




Heavy Freezing Spray Warning

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
402 AM CST Thu Feb 6 2025

LSZ142-143-062215-
/O.CON.KDLH.SC.Y.0020.000000T0000Z-250206T1200Z/
/O.CON.KDLH.GL.W.0011.250206T1200Z-250207T0600Z/
/O.NEW.KDLH.UP.W.0004.250206T1400Z-250207T1000Z/
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-
402 AM CST Thu Feb 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY
THIS MORNING...
...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 8 AM THIS MORNING
TO 4 AM CST FRIDAY...

* WHAT...For the Small Craft Advisory, southwest winds around 15
  kt with gusts up to 25 kt and waves 2 to 3 ft. For the Gale
  Warning, west winds 15 to 25 kt with gusts up to 40 kt and
  waves 2 to 5 ft expected. For the Heavy Freezing Spray
  Warning, heavy freezing spray at a rate of 2 cm per hour or
  greater expected, and may rapidly accumulate on vessels.

* WHERE...Taconite Harbor to Silver Bay Harbor MN and Silver Bay
  Harbor to Two Harbors MN.

* WHEN...For the Small Craft Advisory, until 6 AM CST early this
  morning. For the Gale Warning, until midnight CST tonight. For
  the Heavy Freezing Spray Warning, from 8 AM this morning to 4
  AM CST Friday.

* 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.
  Strong winds will cause hazardous waves which could capsize or
  damage vessels and reduce visibility.

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.

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$