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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 5:30 pm EST on 01/10/2026 (DOY 010 22:30 GMT)
(Updated every 10 minutes)
Wind Speed:   9.3 kts   (4.8 m/s)
Max Wind Speed:   11.5 kts   (5.9 m/s)
Wind Direction:   138° (SE)
Air Temperature:   30.9 °F   (-0.6 °C)
Wind Chill:   22.0 °F   (-5.5 °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
20260101700 4.1 4.3 5.9 125 -0.7 -5.2
20260101600 6.4 7.1 7.1 119 -0.6 -6.4
20260101500 5.8 6.3 7.2 094 -0.1 -5.5
20260101400 3.4 3.9 7.3 109 -0.4 -4.3
20260101300 2.5 2.9 5.4 176 -0.1 -3.1
20260101200 3.9 4.2 6.2 131 0.2 -4.0
20260101100 4.7 5.3 7.4 111 0.2 -4.5
20260101000 4.0 4.5 6.1 126 0.1 -4.2
20260100900 4.6 5.0 6.2 159 0.1 -4.6
20260100800 5.2 6.3 8.2 137 0.0 -5.0
20260100700 5.7 7.0 8.0 134 -0.0 -5.3
20260100600 4.7 5.1 7.1 153 -0.2 -5.0
20260100500 3.4 3.6 6.4 155 -0.2 -4.1
20260100400 0.7 1.0 3.6 012 -0.3 -0.3
20260100300 0.9 1.2 3.1 343 -0.1 -0.1
20260100200 2.6 3.6 3.7 334 0.2 -2.9
20260100100 2.5 3.2 3.9 314 0.5 -2.4
20260100000 1.7 2.3 5.2 280 0.8 -1.1
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: 20260110.c6t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2026 | 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