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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 6:30 am EST on 12/24/2025 (DOY 358 11:30 GMT)
(Updated every 10 minutes)
Wind Speed:   3.9 kts   (2.0 m/s)
Max Wind Speed:   5.6 kts   (2.9 m/s)
Wind Direction:   315° (NW)
Air Temperature:   29.3 °F   (-1.5 °C)
Wind Chill:   24.4 °F   (-4.2 °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
kts 		Wind
Gust
kts 		Peak
Wind
kts 		Wind
Dir
deg 		Air
Tmp
F 		Wind
Chill
F
20253580600 6.6 9.3 9.3 326 29.3 21.8
20253580500 8.6 11.9 12.6 308 29.7 20.9
20253580400 9.9 13.0 19.4 317 30.2 20.8
20253580300 9.1 14.0 20.8 323 30.9 22.1
20253580200 10.9 17.3 21.6 321 31.6 22.1
20253580100 14.2 19.6 26.0 323 33.1 22.5
20253580000 12.2 16.3 23.3 329 33.8 24.2
20253572300 11.9 16.7 27.6 310 35.6 26.7
20253572200 17.7 25.1 25.1 300 36.1 25.3
20253572100 18.5 23.3 27.4 303 36.9 26.0
20253572000 18.3 23.5 30.5 310 37.0 26.3
20253571900 16.9 20.2 26.8 301 37.2 27.0
20253571800 17.3 24.7 28.6 307 37.8 27.6
20253571700 14.6 19.4 26.6 305 38.7 29.6
20253571600 11.5 13.8 22.6 291 42.3 -99.0
20253571500 12.1 14.0 21.2 299 42.1 -99.0
20253571400 8.6 13.8 22.7 279 40.3 -99.0
20253571300 7.6 9.7 16.1 271 37.8 31.5
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: 20251224.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