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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 1:10 pm EST on 11/23/2025 (DOY 327 18:10 GMT)
(Updated every 10 minutes)
Wind Speed:   16.9 kts   (8.7 m/s)
Max Wind Speed:   25.7 kts   (13.2 m/s)
Wind Direction:   307° (NW)
Air Temperature:   45.3 °F   (7.4 °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
20253271300 6.2 8.3 15.3 296 7.1 -99.0
20253271200 8.6 12.0 14.7 304 6.8 -99.0
20253271100 6.8 8.8 16.9 296 7.2 -99.0
20253271000 7.3 9.1 13.4 293 6.1 -99.0
20253270900 5.2 6.6 10.0 302 4.9 -99.0
20253270800 6.5 8.4 11.9 285 4.7 -99.0
20253270700 3.5 4.5 8.1 286 3.9 0.8
20253270600 3.2 4.4 6.2 278 4.8 -99.0
20253270500 3.6 4.6 9.6 295 5.5 -99.0
20253270400 6.3 7.9 7.9 293 5.7 -99.0
20253270300 4.2 4.9 8.9 243 5.4 -99.0
20253270200 4.2 4.7 5.4 239 5.1 -99.0
20253270100 6.4 7.9 7.9 239 4.8 -99.0
20253270000 6.7 7.5 7.5 216 4.6 -99.0
20253262300 7.2 8.0 8.7 188 4.1 -0.7
20253262200 5.7 6.4 8.0 200 3.5 -0.9
20253262100 6.3 7.7 9.0 194 3.6 -1.0
20253262000 7.0 7.8 8.5 177 3.7 -1.2
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: 20251123.c6t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2025 | 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