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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 01/05/2026 (DOY 005 19:10 GMT)
(Updated every 10 minutes)
Wind Speed:   6.0 kts   (3.1 m/s)
Max Wind Speed:   7.4 kts   (3.8 m/s)
Wind Direction:   285° (WNW)
Air Temperature:   30.6 °F   (-0.8 °C)
Wind Chill:   23.8 °F   (-4.6 °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
20260051400 2.4 3.1 3.8 292 -0.7 -3.7
20260051300 1.7 2.3 3.8 266 -1.2 -3.4
20260051200 2.2 3.1 3.5 263 -1.5 -4.5
20260051100 1.3 1.9 4.3 262 -1.9 -1.9
20260051000 2.9 3.6 3.6 219 -2.4 -6.3
20260050900 3.7 4.4 4.4 216 -2.8 -7.5
20260050800 4.3 4.8 5.5 205 -3.0 -8.2
20260050700 4.2 5.1 5.9 197 -3.2 -8.4
20260050600 4.3 4.8 5.5 206 -3.5 -8.8
20260050500 5.1 6.1 7.7 227 -3.3 -9.1
20260050400 8.1 9.6 9.6 171 -3.6 -11.0
20260050300 9.5 10.1 10.1 163 -4.0 -12.1
20260050200 9.6 10.0 10.6 165 -4.3 -12.6
20260050100 7.8 8.5 10.8 179 -4.4 -12.0
20260050000 9.6 10.4 10.7 177 -4.1 -12.3
20260042300 6.9 7.6 10.6 181 -3.9 -10.9
20260042200 6.4 7.2 8.7 181 -3.6 -10.2
20260042100 7.5 8.2 9.2 164 -4.0 -11.3
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: 20260105.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