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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 1:20 pm EST on 01/16/2025 (DOY 016 18:20 GMT)
(Updated every 10 minutes)
Wind Speed:   3.5 kts   (1.8 m/s)
Max Wind Speed:   4.9 kts   (2.5 m/s)
Wind Direction:   291° (WNW)
Air Temperature:   30.7 °F   (-0.7 °C)
Wind Chill:   26.6 °F   (-3.0 °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
20250161300 1.9 2.4 2.8 249 -1.4 -4.0
20250161200 3.7 4.1 4.8 249 -3.4 -8.2
20250161100 2.6 3.0 4.6 249 -5.0 -9.1
20250161000 3.6 4.0 5.0 241 -6.2 -11.5
20250160900 5.9 6.8 6.8 225 -6.5 -13.6
20250160800 5.9 6.6 7.7 213 -6.6 -13.8
20250160700 6.2 6.9 7.7 203 -6.3 -13.6
20250160600 6.3 7.3 8.7 206 -6.0 -13.2
20250160500 5.9 6.5 7.3 196 -5.9 -12.9
20250160400 4.9 6.0 7.0 228 -5.0 -11.1
20250160300 5.9 6.8 7.5 230 -4.7 -11.4
20250160200 5.0 5.8 8.2 237 -5.1 -11.3
20250160100 5.9 6.7 8.9 238 -5.3 -12.1
20250160000 6.8 7.5 7.9 240 -5.5 -12.9
20250152300 6.3 7.0 8.2 229 -5.8 -13.0
20250152200 5.9 6.5 8.3 239 -6.5 -13.6
20250152100 6.1 7.1 7.5 209 -6.9 -14.3
20250152000 7.0 8.3 9.1 198 -6.4 -14.1
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: 20250116.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