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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 2:10 pm EST on 02/12/2026 (DOY 043 19:10 GMT)
(Updated every 10 minutes)
Wind Speed:   7.2 kts   (3.7 m/s)
Max Wind Speed:   9.3 kts   (4.8 m/s)
Wind Direction:   318° (NW)
Air Temperature:   24.1 °F   (-4.4 °C)
Wind Chill:   15.0 °F   (-9.4 °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
20260431400 3.5 4.8 5.6 314 -4.8 -9.8
20260431300 4.8 6.4 7.6 295 -5.2 -11.3
20260431200 3.2 4.7 6.5 319 -5.8 -10.7
20260431100 4.3 5.3 7.3 333 -6.3 -12.3
20260431000 2.8 3.4 7.4 305 -7.1 -11.8
20260430900 2.6 3.2 4.3 308 -8.7 -13.5
20260430800 3.1 3.6 4.0 295 -10.2 -15.9
20260430700 2.7 3.2 4.2 298 -9.8 -14.9
20260430600 2.9 3.6 4.2 299 -9.3 -14.6
20260430500 2.3 3.0 4.2 296 -8.9 -13.3
20260430400 2.6 3.3 3.9 303 -8.0 -12.6
20260430300 3.6 4.5 5.2 294 -7.5 -13.1
20260430200 3.7 4.5 5.6 290 -7.5 -13.2
20260430100 2.3 2.9 4.6 287 -7.4 -11.5
20260430000 2.9 3.6 4.2 298 -6.8 -11.6
20260422300 3.6 4.6 5.1 301 -6.3 -11.7
20260422200 4.2 6.7 8.9 318 -5.7 -11.4
20260422100 3.5 4.9 8.4 331 -5.3 -10.4
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: 20260212.c6t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2026 | 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