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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 1:40 am EST on 01/04/2026 (DOY 004 06:40 GMT)
(Updated every 10 minutes)
Wind Speed:   6.4 kts   (3.3 m/s)
Max Wind Speed:   8.4 kts   (4.3 m/s)
Wind Direction:   282° (WNW)
Air Temperature:   19.4 °F   (-7.0 °C)
Wind Chill:   10.0 °F   (-12.2 °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
m/s 		Wind
Gust
m/s 		Peak
Wind
m/s 		Wind
Dir
deg 		Air
Tmp
C 		Wind
Chill
C
20260040100 2.9 3.7 4.7 277 -6.8 -11.6
20260040000 1.8 2.3 5.4 273 -6.7 -9.9
20260032300 2.1 2.6 2.7 276 -6.2 -9.8
20260032200 3.5 4.5 5.2 288 -5.6 -10.7
20260032100 3.7 4.5 4.5 284 -5.3 -10.5
20260032000 2.3 3.1 5.0 277 -5.2 -8.9
20260031900 1.4 1.9 3.2 256 -5.0 -7.3
20260031800 1.6 2.0 2.9 285 -4.9 -7.5
20260031700 2.5 3.4 4.0 288 -4.7 -8.6
20260031600 1.8 2.2 3.8 268 -4.7 -7.6
20260031500 3.1 3.8 4.1 274 -4.8 -9.4
20260031400 1.6 2.5 4.4 284 -5.1 -7.8
20260031300 2.8 4.1 5.6 276 -5.0 -9.3
20260031200 2.9 3.6 5.6 306 -5.4 -9.9
20260031100 3.0 3.8 6.2 289 -5.7 -10.3
20260031000 2.4 3.3 5.2 292 -6.1 -10.1
20260030900 2.9 3.5 3.7 302 -6.2 -10.8
20260030800 2.6 3.4 4.1 303 -6.3 -10.6
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: 20260104.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