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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 11:20 pm EST on 02/21/2020 (DOY 053 04:20 GMT)
(Updated at about 02,12,22,32,42,52 minutes past the hour)
Wind Speed:   14.0 kts   (7.2 m/s)
Max Wind Speed:   17.7 kts   (9.1 m/s)
Wind Direction:   275° (W)
Air Temperature:   30.9 °F   (-0.6 °C)
Wind Chill:   19.8 °F   (-6.8 °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
20200522300 12.4 18.7 19.6 273 31.1 20.7
20200522200 16.5 20.8 25.9 273 31.8 20.0
20200522100 12.8 16.5 22.6 270 32.4 22.1
20200522000 20.2 26.0 28.8 264 33.4 21.0
20200521900 16.3 18.5 34.4 261 35.1 24.3
20200521800 16.9 20.2 27.0 252 37.2 27.0
20200521700 20.0 24.3 26.6 254 38.8 28.3
20200521600 21.2 25.7 27.6 260 38.1 27.0
20200521500 16.5 22.0 28.2 261 38.3 28.5
20200521400 16.7 20.6 25.3 256 36.3 25.9
20200521300 12.4 14.0 23.5 253 32.5 22.5
20200521200 19.1 21.4 22.0 260 29.1 15.7
20200521100 15.0 19.1 19.8 267 25.9 12.9
20200521000 15.6 19.8 19.8 272 21.7 7.3
20200520900 8.6 12.4 17.7 273 17.8 6.2
20200520800 10.3 11.3 14.0 255 14.4 0.7
20200520700 8.9 10.1 12.8 260 13.5 0.5
20200520600 10.1 11.9 14.0 254 13.6 -0.1
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: 20200222.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