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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 7:30 pm EST on 02/21/2020 (DOY 053 00:30 GMT)
(Updated at about 02,12,22,32,42,52 minutes past the hour)
Wind Speed:   19.8 kts   (10.2 m/s)
Max Wind Speed:   23.7 kts   (12.2 m/s)
Wind Direction:   262° (W)
Air Temperature:   34.2 °F   (1.2 °C)
Wind Chill:   22.1 °F   (-5.5 °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
20200521900 8.4 9.5 12.7 261 1.7 -4.3
20200521800 8.7 10.4 13.9 252 2.9 -2.8
20200521700 10.3 12.5 13.7 254 3.8 -2.1
20200521600 10.9 13.2 14.2 260 3.4 -2.8
20200521500 8.5 11.3 14.5 261 3.5 -1.9
20200521400 8.6 10.6 13.0 256 2.4 -3.4
20200521300 6.4 7.2 12.1 253 0.3 -5.3
20200521200 9.8 11.0 11.3 260 -1.6 -9.1
20200521100 7.7 9.8 10.2 267 -3.4 -10.6
20200521000 8.0 10.2 10.2 272 -5.7 -13.7
20200520900 4.4 6.4 9.1 273 -7.9 -14.3
20200520800 5.3 5.8 7.2 255 -9.8 -17.4
20200520700 4.6 5.2 6.6 260 -10.3 -17.5
20200520600 5.2 6.1 7.2 254 -10.2 -17.8
20200520500 5.8 6.7 7.7 255 -10.0 -18.0
20200520400 4.4 5.3 7.4 264 -9.3 -16.1
20200520300 5.6 7.4 8.3 284 -9.6 -17.4
20200520200 5.3 6.5 8.0 280 -10.1 -17.8
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