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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 11/13/2025 (DOY 317 06:40 GMT)
(Updated every 10 minutes)
Wind Speed:   8.4 kts   (4.3 m/s)
Max Wind Speed:   10.5 kts   (5.4 m/s)
Wind Direction:   284° (WNW)
Air Temperature:   38.8 °F   (3.8 °C)
Wind Chill:   32.4 °F   (0.2 °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
20253170100 4.8 5.9 6.5 284 3.9 0.1
20253170000 5.0 6.2 7.0 288 4.0 0.1
20253162300 3.6 5.1 7.1 282 3.9 0.8
20253162200 6.0 8.0 8.9 283 4.5 -99.0
20253162100 7.5 9.2 10.2 297 5.0 -99.0
20253162000 4.6 7.2 10.7 277 5.3 -99.0
20253161900 7.2 8.8 12.7 292 5.8 -99.0
20253161800 5.3 7.6 10.3 282 5.4 -99.0
20253161700 4.9 6.8 10.6 284 5.3 -99.0
20253161600 4.4 6.7 9.1 314 4.8 -99.0
20253161500 5.7 7.9 12.7 285 6.4 -99.0
20253161400 5.8 7.7 11.2 302 4.9 -99.0
20253161300 5.0 6.5 9.6 280 5.9 -99.0
20253161200 6.7 8.2 9.2 283 6.3 -99.0
20253161100 5.7 7.7 10.9 292 6.4 -99.0
20253161000 6.7 8.3 9.9 292 6.0 -99.0
20253160900 4.4 5.9 10.0 277 5.3 -99.0
20253160800 4.0 4.7 8.0 263 4.5 -99.0
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: 20251113.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