Station Name: WEST SUPERIOR - 30NM NE of Outer Island, WI
Station Type: Other
Data Source: National Data Buoy Center

Elevation Above Sea Level: 587 feet

Nearest Address:
Offshore
Lake Superior, MI

GPS Coordinates: 47.335, -89.793

Nearby Water Temperatures

Small Craft Advisory issued July 19 at 10:12PM EDT until July 21 at 8:00AM 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 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Black River to Ontonagon MI. * WHEN...For the Dense Smoke Advisory, until 8 AM EDT /7 AM CDT/ Monday. For the Small Craft Advisory, from 2 AM EDT /1 AM CDT/ Monday to 8 AM EDT /7 AM CDT/ Tuesday. * 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 10:12PM EDT until July 20 at 8:00AM 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 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Black River to Ontonagon MI. * WHEN...For the Dense Smoke Advisory, until 8 AM EDT /7 AM CDT/ Monday. For the Small Craft Advisory, from 2 AM EDT /1 AM CDT/ Monday to 8 AM EDT /7 AM CDT/ Tuesday. * 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 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 Small Craft Advisory, west winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft occurring. * WHERE...Black River to Ontonagon MI. * WHEN...For the Dense Smoke Advisory, until 8 AM EDT /7 AM CDT/ this morning. For the Small Craft Advisory, until 8 AM EDT /7 AM CDT/ Tuesday. * 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 20 at 3:42AM EDT until July 21 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 Small Craft Advisory, west winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft occurring. * WHERE...Black River to Ontonagon MI. * WHEN...For the Dense Smoke Advisory, until 8 AM EDT /7 AM CDT/ this morning. For the Small Craft Advisory, until 8 AM EDT /7 AM CDT/ Tuesday. * 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.