Station Name: Marquette WTP
Data Source: USGS

Elevation Above Sea Level: 614 feet

Nearest Address:
352 Lake Shore Blvd
Marquette, MI 49855
Marquette County

GPS Coordinates: 46.5458, -87.3795

Nearby Water Temperatures

Dense Smoke Advisory issued July 20 at 3:42AM EDT until July 20 at 8:00AM EDT by NWS Marquette MI

Effective: Mon July 20, 2026, 3:42 AM
Expires: Mon July 20, 2026, 3:45 PM

* WHAT...For the Dense Smoke Advisory, dense smoke will reduce visibility to less than one nautical mile. For the Gale Watch, northwest winds 20 to 30 kt with gusts up to 40 kt and waves 7 to 10 ft possible. * WHERE...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 and Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...For the Dense Smoke Advisory, until 8 AM EDT this morning. For the Gale Watch, from Tuesday morning through late Tuesday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult.

Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Gale Watch issued July 20 at 3:42AM EDT until July 22 at 2:00AM EDT by NWS Marquette MI

Effective: Mon July 20, 2026, 3:42 AM
Expires: Mon July 20, 2026, 3:45 PM

* WHAT...For the Dense Smoke Advisory, dense smoke will reduce visibility to less than one nautical mile. For the Gale Watch, northwest winds 20 to 30 kt with gusts up to 40 kt and waves 7 to 10 ft possible. * WHERE...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 and Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...For the Dense Smoke Advisory, until 8 AM EDT this morning. For the Gale Watch, from Tuesday morning through late Tuesday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. Low visibility will make navigation difficult.

Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Small Craft Advisory issued July 19 at 2:43PM EDT until July 20 at 8:00PM EDT by NWS Marquette MI

Effective: Sun July 19, 2026, 2:43 PM
Expires: Mon July 20, 2026, 2:45 AM

* WHAT...For the Dense Smoke Advisory, dense smoke will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 2 ft expected. * WHERE...Marquette to Munising MI. * WHEN...For the Dense Smoke Advisory, until 8 AM EDT Monday. For the Small Craft Advisory, from 11 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Dense Smoke Advisory issued July 19 at 2:43PM EDT until July 20 at 8:00AM EDT by NWS Marquette MI

Effective: Sun July 19, 2026, 2:43 PM
Expires: Mon July 20, 2026, 2:45 AM

* WHAT...For the Dense Smoke Advisory, dense smoke will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 2 ft expected. * WHERE...Marquette to Munising MI. * WHEN...For the Dense Smoke Advisory, until 8 AM EDT Monday. For the Small Craft Advisory, from 11 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Small Craft Advisory issued July 19 at 10:12PM EDT until July 20 at 8:00PM EDT by NWS Marquette MI

Effective: Sun July 19, 2026, 10:12 PM
Expires: Mon July 20, 2026, 10:15 AM

* WHAT...For the Dense Smoke Advisory, dense smoke will reduce visibility to less than one nautical mile. For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Marquette to Munising MI. * WHEN...For the Dense Smoke Advisory, until 8 AM EDT Monday. For the Small Craft Advisory, from 11 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.