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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 8:50 pm EST on 11/26/2021 (DOY 331 01:50 GMT)
(Updated at about 02,12,22,32,42,52 minutes past the hour)
Wind Speed:   5.2 kts   (2.7 m/s)
Max Wind Speed:   6.6 kts   (3.4 m/s)
Wind Direction:   301° (WNW)
Air Temperature:   21.4 °F   (-5.9 °C)
Wind Chill:   13.5 °F   (-10.3 °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
m/s
Wind
Gust
m/s
Peak
Wind
m/s
Wind
Dir
deg
Air
Tmp
C
Wind
Chill
C
20213302000 3.5 4.8 5.0 309 -5.5 -10.6
20213301900 3.6 4.6 5.8 303 -5.0 -10.1
20213301800 4.1 5.5 6.0 313 -4.7 -10.1
20213301700 5.1 6.3 8.5 321 -4.4 -10.5
20213301600 5.7 6.5 9.8 321 -4.1 -10.5
20213301500 6.9 8.6 9.2 323 -3.8 -10.7
20213301400 6.0 8.4 10.2 338 -3.8 -10.3
20213301300 6.6 9.0 10.8 000 -3.7 -10.5
20213301200 7.5 11.5 12.3 000 -4.1 -11.4
20213301100 8.9 11.2 12.4 337 -3.9 -11.8
20213301000 7.4 9.9 12.8 339 -4.4 -11.8
20213300900 5.5 7.1 9.4 335 -4.6 -11.0
20213300800 5.0 6.3 12.4 000 -4.6 -10.7
20213300700 5.6 8.1 10.4 346 -3.9 -10.2
20213300600 8.5 12.7 12.7 356 -3.4 -11.0
20213300500 5.5 7.9 11.4 000 -3.8 -10.0
20213300400 6.7 8.3 11.0 357 -3.6 -10.4
20213300300 6.0 8.7 11.7 347 -3.7 -10.1
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: 20211127.c6t.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


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