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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 1:00 pm EST on 11/16/2025 (DOY 320 18:00 GMT)
(Updated every 10 minutes)
Wind Speed:   14.4 kts   (7.4 m/s)
Max Wind Speed:   20.2 kts   (10.4 m/s)
Wind Direction:   331° (NNW)
Air Temperature:   37.4 °F   (3.0 °C)
Wind Chill:   28.0 °F   (-2.2 °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
20253201300 7.4 10.4 10.4 331 3.0 -2.2
20253201200 4.8 6.9 15.3 322 2.3 -1.9
20253201100 8.4 11.0 12.8 304 0.9 -5.3
20253201000 6.7 11.1 14.4 308 1.3 -4.1
20253200900 6.2 9.2 11.5 318 2.2 -2.7
20253200800 6.4 8.9 13.9 306 1.8 -3.3
20253200700 5.7 7.9 14.4 306 0.6 -4.5
20253200600 5.2 7.1 14.4 307 1.4 -3.3
20253200500 6.3 8.0 12.9 310 3.3 -1.4
20253200400 7.6 10.9 14.2 307 3.8 -1.2
20253200300 7.3 8.7 13.1 298 3.5 -1.5
20253200200 6.8 8.8 14.3 300 4.0 -0.7
20253200100 6.3 8.3 12.1 301 4.7 -99.0
20253200000 4.6 7.7 9.7 308 5.0 -99.0
20253192300 8.6 11.3 11.4 311 5.8 -99.0
20253192200 8.6 12.2 15.1 300 6.3 -99.0
20253192100 7.3 11.1 13.8 317 6.7 -99.0
20253192000 5.9 8.4 17.2 322 7.7 -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: 20251116.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