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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 5:50 pm EST on 01/09/2026 (DOY 009 22:50 GMT)
(Updated every 10 minutes)
Wind Speed:   12.2 kts   (6.3 m/s)
Max Wind Speed:   17.3 kts   (8.9 m/s)
Wind Direction:   316° (NW)
Air Temperature:   36.1 °F   (2.3 °C)
Wind Chill:   27.2 °F   (-2.7 °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
20260091700 6.7 9.6 12.9 315 2.5 -2.6
20260091600 8.7 12.9 13.2 301 3.1 -2.5
20260091500 13.2 18.5 18.5 303 3.6 -3.1
20260091400 9.5 14.0 17.1 307 3.1 -2.8
20260091300 8.4 12.1 15.5 302 2.1 -3.7
20260091200 6.2 8.7 18.3 289 3.1 -1.6
20260091100 8.6 12.4 13.3 302 5.2 -99.0
20260091000 7.0 7.5 12.7 232 9.9 -99.0
20260090900 5.9 6.5 12.2 211 8.3 -99.0
20260090800 7.1 7.6 10.5 192 7.0 -99.0
20260090700 2.9 3.5 9.0 065 3.6 0.9
20260090600 4.6 5.2 6.0 128 4.3 0.7
20260090500 4.9 5.4 6.4 134 2.6 -1.6
20260090400 4.9 5.8 7.0 152 2.1 -2.2
20260090300 11.4 14.0 14.0 149 2.9 -3.6
20260090200 9.3 10.7 15.5 146 2.9 -3.0
20260090100 7.3 7.8 12.7 147 3.4 -1.7
20260090000 11.5 12.7 15.5 155 3.1 -3.3
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: 20260109.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