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Alpena | Chicago | Michigan City | Milwaukee | Muskegon | South Haven | Thunder Bay Island | Toledo Light #2
Real-Time Meteorological Observation Network
See Metadata File for full description of instruments and parameters, as well as site maps.
See also rtmon status, webcam status
Conditions at 10:30 am EST on 11/27/2022 (DOY 331 15:30 GMT)
(Updated every 30 minutes)
Note: Wind chill is set to -99 if air temp > 40 F or wind speed < 3 mph
Click here for recent 2-minute daily data: 20221127.10t.txt.txt, data format (metadata)
Click here for past data: 2022 | Archive
The NDBC station ID for this station is: TBIM4
Access current marine observations on your mobile device. See NDBC's mobile access page.
These data are also available from NDBC website and NDBC's Dial-a-Buoy Program.
See also NWS Marine Forecast for this area, and NWS Recreational Beach Forecast
Realtime Data Disclaimer
Special thanks to NWS, Thunder Bay National Marine Sanctuary (TBNMS), and 9th District USCG.
Additional Great Lakes Meteorological Observations» NWS, Grand Rapids Office: Near-Realtime Marine Weather, includes current conditions and forecasts
» NWS, White Lake Office: Near-Realtime Marine Weather, includes current conditions and forecasts
» NDBC Great Lakes ImageMap showing U.S. and Canadian Buoys and C-MAN Stations
» NOAA CoastWatch Great Lakes NOAAPORT Data, includes all station types
» NOAA's NowCoast: Web mapping portal to real-time coastal observations
» Winds courtesy of iWindsurf.com
» NWS Great Lakes Marine Text Forecasts by Zone
» Links to Great Lakes Water Temperature, Wind/Wave Data, & Water Levels
» GLIN: Great Lakes Information Network
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