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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 6:40 pm EST on 11/13/2025 (DOY 317 23:40 GMT)
(Updated every 10 minutes)
Wind Speed:   5.8 kts   (3.0 m/s)
Max Wind Speed:   8.7 kts   (4.5 m/s)
Wind Direction:   266° (W)
Air Temperature:   44.2 °F   (6.8 °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
20253171800 4.2 5.3 6.4 275 7.6 -99.0
20253171700 5.4 7.3 9.3 292 8.7 -99.0
20253171600 6.3 9.3 9.3 313 8.5 -99.0
20253171500 7.3 8.8 15.4 299 8.3 -99.0
20253171400 6.9 8.9 13.6 311 8.2 -99.0
20253171300 7.4 10.7 11.0 301 7.4 -99.0
20253171200 8.1 9.6 12.4 303 6.5 -99.0
20253171100 7.1 8.8 13.2 301 5.8 -99.0
20253171000 7.2 9.0 11.6 298 5.0 -99.0
20253170900 6.5 9.2 11.0 294 4.2 -0.3
20253170800 3.4 4.9 9.7 284 3.0 -0.2
20253170700 3.5 5.5 6.8 281 3.2 -0.0
20253170600 2.3 3.2 5.2 275 3.5 1.3
20253170500 4.5 6.0 6.0 289 3.0 -0.9
20253170400 3.9 4.7 6.0 290 3.1 -0.4
20253170300 5.7 7.4 8.4 292 3.4 -1.0
20253170200 3.5 4.4 8.1 285 3.5 0.3
20253170100 4.8 5.9 6.5 284 3.9 0.1
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: 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