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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 6:50 pm EST on 12/31/2025 (DOY 365 23:50 GMT)
(Updated every 10 minutes)
Wind Speed:   12.2 kts   (6.3 m/s)
Max Wind Speed:   16.9 kts   (8.7 m/s)
Wind Direction:   308° (NW)
Air Temperature:   14.7 °F   (-9.6 °C)
Wind Chill:   -0.1 °F   (-17.8 °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 every 10 minutes)

[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]

[Live Webcam Image from Alpena, MI Met Station Camera 5]

6-hr animations: 1  2  3  4  5
Previous 48 images (top of hour only): 1  2  3  4  5
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
20253651800 4.0 6.1 9.2 319 -9.1 -15.5
20253651700 4.4 6.4 13.0 326 -8.3 -14.8
20253651600 4.9 8.2 10.7 335 -7.8 -14.6
20253651500 7.7 9.8 11.5 314 -6.2 -14.2
20253651400 3.4 4.3 11.7 297 -5.6 -10.6
20253651300 2.4 3.2 7.3 278 -5.6 -9.5
20253651200 3.0 4.3 5.2 248 -5.8 -10.5
20253651100 5.5 6.2 6.5 241 -6.3 -13.1
20253651000 4.8 5.8 6.3 245 -6.9 -13.4
20253650900 3.8 4.7 6.2 237 -7.4 -13.2
20253650800 3.3 4.2 5.4 252 -7.4 -12.7
20253650700 3.3 4.0 5.0 261 -7.5 -12.8
20253650600 4.4 5.3 6.1 264 -7.5 -13.8
20253650500 3.6 4.8 6.0 256 -7.6 -13.3
20253650400 3.7 5.6 5.7 271 -7.5 -13.2
20253650300 4.0 5.4 6.4 273 -7.5 -13.5
20253650200 5.1 6.2 7.2 281 -6.9 -13.6
20253650100 5.2 7.4 9.7 285 -7.0 -13.8
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 recent 2-minute daily data: 20251231.c6t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2025 | Archive

The NDBC station ID for this station is: APNM4
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

Contact:
General Information & Media Inquiries:
oar.glerl.www@noaa.gov
(734) 741-2235 		Data Inquiries:
oar.glerl.data@noaa.gov