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Thunder Bay Island, MI  (TBIM4)  45° 02´ 05" N,   83° 11´ 39" W

See Metadata File for full description of instruments and parameters, as well as site maps. See also rtmon status, webcam status
NOTICE: Oct 22, 2020. The TBI data and webcam are back up. Data acquisition may be intermittent. Wind direction is set to missing due to a faulty sensor. We plan to repair the station in the summer of 2021.

Conditions at 2:00 pm EST on 02/28/2021 (DOY 059 19:00 GMT)
(Updated at about 06,36 minutes past the hour)
Wind Speed:   10.1 kts   (5.2 m/s)
Max Wind Speed:   11.1 kts   (5.7 m/s)
Wind Direction:   -99° (-)
Air Temperature:   34.9 °F   (1.6 °C)
Wind Chill:   26.6 °F   (-3.0 °C)
Data & Plots of Previous 3 Hours (2 minute increments)
Data & Plots of Previous 5 Days (hourly increments)
         1 Day Windrose Plot, 5 Day Windrose Plot, (explanation)         
Click on image to enlarge
(images updated 1X per hour)
Webcam Location & Info
[Live Webcam Image from Thunder Bay Island, MI Met Station Camera 1]
[Live Webcam Image from Thunder Bay Island, MI Met Station Camera 2]
[Live Webcam Image from Thunder Bay Island, MI Met Station Camera 3]
[Live Webcam Image from Thunder Bay Island, MI Met Station Camera 4]
[Live Webcam Image from Thunder Bay Island, MI Met Station Camera 5]
24-hr animations:  1  2  3  4  5
Previous 48 images:  1  2  3  4  5
All Images (past 10 days)

----- Previous 18 Hours (at top of hour)  [English] [Metric] -----
YEARDOY EST Wind
Spd
kts 		Wind
Gust
kts 		Peak
Wind
kts 		Wind
Dir
deg 		Air
Tmp
F 		Wind
Chill
F
20210591400 10.1 11.1 11.1 -099 34.9 26.6
20210591200 11.5 12.4 12.4 -099 36.7 28.2
20210591100 9.5 11.1 11.9 -099 36.5 28.9
20210591000 10.5 11.3 13.0 -099 35.2 26.8
20210590900 12.4 13.8 13.8 -099 33.3 23.4
20210590700 7.6 8.2 8.2 -099 33.6 26.4
20210590600 7.0 7.6 7.8 -099 33.4 26.6
20210590500 9.5 10.5 10.5 -099 33.6 25.3
20210590400 7.8 8.6 10.9 -099 33.4 26.1
20210590300 6.8 7.6 10.3 -099 33.4 26.7
20210590200 7.0 7.8 9.1 -099 33.3 26.3
20210590100 5.4 6.0 8.0 -099 33.1 27.3
20210590000 6.0 6.6 10.1 -099 33.4 27.3
20210582300 0.4 1.2 6.8 -099 33.3 33.3
20210582200 2.5 2.9 4.3 -099 35.2 35.2
20210582100 8.0 8.2 8.2 -099 35.1 27.9
20210582000 11.5 12.1 12.1 -099 36.0 27.3
20210581800 9.1 9.7 9.7 -099 38.1 31.1
Note: Peak wind is max wind gust during entire hour
Note: Wind chill is set to -99 if air temp > 40 F or wind speed < 3 mph

      right arrow Click here for today's 2-minute data: 20210228.10t.txt, data format (metadata)
      right arrow Click here for past data: 2021 | Archive

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