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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 01/03/2026 (DOY 003 20:10 GMT)
(Updated every 10 minutes)
Wind Speed:   5.1 kts   (2.6 m/s)
Max Wind Speed:   6.8 kts   (3.5 m/s)
Wind Direction:   278° (W)
Air Temperature:   23.4 °F   (-4.8 °C)
Wind Chill:   16.1 °F   (-8.8 °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
20260031500 3.1 3.8 3.9 274 -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
20260030700 3.1 4.2 5.6 311 -6.4 -11.3
20260030600 3.5 4.7 5.3 309 -6.3 -11.6
20260030500 3.6 4.6 7.2 297 -6.4 -11.8
20260030400 4.2 6.2 7.6 291 -6.6 -12.6
20260030300 4.1 5.8 8.2 280 -7.1 -13.1
20260030200 3.3 4.5 7.5 269 -7.7 -13.1
20260030100 4.0 5.1 7.4 267 -8.1 -14.2
20260030000 4.8 6.2 7.9 255 -7.9 -14.6
20260022300 5.6 7.0 8.0 259 -8.2 -15.6
20260022200 4.4 5.8 7.6 258 -8.4 -14.9
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