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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 3:10 pm EST on 01/04/2026 (DOY 004 20:10 GMT)
(Updated every 10 minutes)
Wind Speed:   1.6 kts   (0.8 m/s)
Max Wind Speed:   2.7 kts   (1.4 m/s)
Wind Direction:   32° (NNE)
Air Temperature:   21.7 °F   (-5.7 °C)
Wind Chill:   21.7 °F   (-5.7 °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
20260041500 1.8 2.5 2.6 034 -5.9 -9.0
20260041400 3.0 3.5 3.6 030 -6.4 -11.2
20260041300 4.0 5.3 5.7 301 -5.6 -11.2
20260041200 4.8 6.2 8.0 302 -5.6 -11.8
20260041100 6.5 7.4 8.2 294 -5.7 -13.0
20260041000 4.3 7.3 8.9 305 -5.8 -11.7
20260040900 3.5 4.9 10.4 306 -5.7 -10.8
20260040800 3.4 5.6 6.8 309 -5.3 -10.3
20260040700 2.6 3.5 4.2 288 -5.2 -9.3
20260040600 2.7 4.0 4.6 293 -5.1 -9.3
20260040500 3.7 4.8 6.0 280 -5.2 -10.4
20260040400 3.0 3.9 5.6 274 -5.7 -10.3
20260040300 3.9 5.2 5.2 260 -5.8 -11.3
20260040200 3.1 3.7 5.2 279 -6.8 -11.8
20260040100 2.9 3.7 4.8 277 -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
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