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Real-Time Meteorological Observation Network
Alpena, MI  (APNM4)  45° 03´ 35" N,   83° 25´ 25" W

In collaboration with Thunder Bay National Marine Sanctuary
See Metadata File for full description of instruments and parameters, as well as site maps. See also rtmon status, webcam status
Conditions at 9:40 pm EST on 12/03/2020 (DOY 339 02:40 GMT)
(Updated at about 02,12,22,32,42,52 minutes past the hour)
Wind Speed:   8.9 kts   (4.6 m/s)
Max Wind Speed:   10.7 kts   (5.5 m/s)
Wind Direction:   249° (WSW)
Air Temperature:   35.8 °F   (2.1 °C)
Wind Chill:   28.3 °F   (-2.1 °C)
Data & Plots of Previous 3 Hours (2 minute increments)
Data & Plots of Previous 5 Days (hourly increments)
         1 Day Windrose Plot5 Day Windrose Plot(explanation)         
Click on image to enlarge
(images updated 6X per hour)
Webcam Location & Info
[Live Webcam Image from Alpena, MI Met Station Camera 1]
[Live Webcam Image from Alpena, MI Met Station Camera 2]
[Live Webcam Image from Alpena, MI Met Station Camera 3]
[Live Webcam Image from Alpena, MI Met Station Camera 4]
6-hr animations: 1  2  3  4
Previous 48 images (top of hour only): 1  2  3  4
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
20203382100 9.5 11.7 14.2 250 35.8 28.0
20203382000 12.6 13.6 16.3 246 35.4 26.1
20203381900 8.7 9.9 13.2 245 35.6 28.2
20203381800 7.8 8.9 11.3 256 36.0 29.2
20203381700 9.5 11.5 14.0 253 36.3 28.6
20203381600 8.4 10.3 14.0 271 36.3 29.3
20203381500 11.9 15.7 16.3 262 36.3 27.6
20203381400 8.7 11.5 16.7 282 36.3 29.1
20203381300 8.9 14.0 17.3 284 36.3 28.9
20203381200 12.2 14.6 19.1 258 35.8 26.7
20203381100 8.0 10.7 16.3 261 35.2 28.2
20203381000 7.4 10.7 12.2 265 34.3 27.4
20203380900 8.4 9.7 11.9 275 34.0 26.4
20203380800 7.2 8.6 11.7 282 34.0 27.1
20203380700 7.0 8.6 16.1 310 34.3 27.7
20203380600 6.2 8.2 13.8 290 34.0 27.8
20203380500 7.4 9.9 9.9 313 34.0 27.0
20203380400 7.8 10.3 17.7 326 34.5 27.4
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: 20201204.c6t.txt, data format (metadata)
      right arrow Click here for past data: 2020 | 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


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