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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 8:30 pm EST on 01/02/2026 (DOY 003 01:30 GMT)
(Updated every 10 minutes)
Wind Speed:   7.8 kts   (4.0 m/s)
Max Wind Speed:   10.3 kts   (5.3 m/s)
Wind Direction:   260° (W)
Air Temperature:   16.9 °F   (-8.4 °C)
Wind Chill:   5.7 °F   (-14.6 °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
20260022000 5.5 7.6 7.6 278 -8.3 -15.7
20260021900 5.7 7.4 7.7 271 -8.2 -15.7
20260021800 3.2 4.3 6.7 266 -8.1 -13.5
20260021700 4.0 5.0 7.5 291 -7.9 -14.0
20260021600 6.0 7.7 8.4 291 -7.7 -15.2
20260021500 7.0 8.4 9.9 295 -7.2 -15.2
20260021400 7.8 10.5 10.6 295 -7.2 -15.6
20260021300 7.4 9.5 11.5 282 -7.4 -15.6
20260021200 4.4 5.4 11.7 281 -7.6 -14.0
20260021100 5.5 6.8 10.8 291 -7.9 -15.1
20260021000 5.9 8.0 9.8 280 -8.3 -15.9
20260020900 3.8 4.9 7.3 257 -9.1 -15.3
20260020800 2.9 3.3 5.6 262 -9.6 -14.9
20260020700 2.7 3.3 5.4 261 -9.2 -14.2
20260020600 3.3 4.2 5.6 276 -9.1 -14.8
20260020500 2.9 4.2 4.8 278 -9.1 -14.3
20260020400 2.3 2.8 4.8 261 -9.7 -14.2
20260020300 3.0 4.1 4.6 252 -9.4 -14.8
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: 20260103.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