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Elev 1611 ft, 46.17 °N, 90.06 °W

Mercer, WI Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Mercer, WI
Elevation: 1611ft
Nearby Weather Stations

Active Weather Alerts

Gale Warning
Issued: 9:07 PM Dec. 29, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST /9 PM CST/ THIS
EVENING...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST
/9 PM CST/ THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EST /9 PM CST/ THIS
EVENING TO 7 AM EST /6 AM CST/ TUESDAY...

* WHAT...For the Gale Warning, northwest winds 15 to 25 kt with
gusts up to 35 kt and waves 7 to 10 ft occurring. For the Heavy
Freezing Spray Warning, heavy freezing spray at a rate of 2 cm
per hour or greater occurring, and may rapidly accumulate on
vessels. For the Small Craft Advisory, northwest winds 10 to 20
kt with gusts up to 25 kt and waves 4 to 7 ft expected.

* WHERE...Saxon Harbor WI to Black River MI and Black River to
Ontonagon MI.

* WHEN...For the Gale Warning, until 10 PM EST /9 PM CST/ this
evening. For the Small Craft Advisory, from 10 PM EST /9 PM
CST/ this evening to 7 AM EST /6 AM CST/ Tuesday.

* 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.

&&

Small Craft Advisory
Issued: 9:07 PM Dec. 29, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST /9 PM CST/ THIS
EVENING...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST
/9 PM CST/ THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EST /9 PM CST/ THIS
EVENING TO 7 AM EST /6 AM CST/ TUESDAY...

* WHAT...For the Gale Warning, northwest winds 15 to 25 kt with
gusts up to 35 kt and waves 7 to 10 ft occurring. For the Heavy
Freezing Spray Warning, heavy freezing spray at a rate of 2 cm
per hour or greater occurring, and may rapidly accumulate on
vessels. For the Small Craft Advisory, northwest winds 10 to 20
kt with gusts up to 25 kt and waves 4 to 7 ft expected.

* WHERE...Saxon Harbor WI to Black River MI and Black River to
Ontonagon MI.

* WHEN...For the Gale Warning, until 10 PM EST /9 PM CST/ this
evening. For the Small Craft Advisory, from 10 PM EST /9 PM
CST/ this evening to 7 AM EST /6 AM CST/ Tuesday.

* 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.

&&

Heavy Freezing Spray Warning
Issued: 9:07 PM Dec. 29, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST /9 PM CST/ THIS
EVENING...
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST
/9 PM CST/ THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EST /9 PM CST/ THIS
EVENING TO 7 AM EST /6 AM CST/ TUESDAY...

* WHAT...For the Gale Warning, northwest winds 15 to 25 kt with
gusts up to 35 kt and waves 7 to 10 ft occurring. For the Heavy
Freezing Spray Warning, heavy freezing spray at a rate of 2 cm
per hour or greater occurring, and may rapidly accumulate on
vessels. For the Small Craft Advisory, northwest winds 10 to 20
kt with gusts up to 25 kt and waves 4 to 7 ft expected.

* WHERE...Saxon Harbor WI to Black River MI and Black River to
Ontonagon MI.

* WHEN...For the Gale Warning, until 10 PM EST /9 PM CST/ this
evening. For the Small Craft Advisory, from 10 PM EST /9 PM
CST/ this evening to 7 AM EST /6 AM CST/ Tuesday.

* 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.

&&

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