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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 6:00 pm EST on 02/08/2026 (DOY 039 23:00 GMT)
(Updated every 10 minutes)
Wind Speed:   5.1 kts   (2.6 m/s)
Max Wind Speed:   5.4 kts   (2.8 m/s)
Wind Direction:   115° (ESE)
Air Temperature:   15.3 °F   (-9.3 °C)
Wind Chill:   6.5 °F   (-14.2 °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
20260391800 2.6 2.8 2.8 115 -9.3 -14.2
20260391700 2.9 3.3 4.0 126 -9.4 -14.7
20260391600 3.1 3.4 4.0 127 -9.6 -15.1
20260391500 1.9 2.6 3.6 136 -9.6 -13.5
20260391400 0.8 0.9 3.2 104 -9.7 -9.7
20260391300 1.5 2.1 2.5 121 -8.2 -11.1
20260391200 1.5 2.1 3.1 106 -10.7 -14.0
20260391100 2.1 2.4 3.4 106 -10.9 -15.3
20260391000 0.0 0.4 3.3 041 -9.1 -9.1
20260390900 1.1 1.4 1.5 334 -15.8 -15.8
20260390800 1.7 2.2 2.3 357 -17.7 -22.4
20260390700 0.6 1.2 2.6 006 -17.7 -17.7
20260390600 2.2 2.7 3.2 337 -17.5 -23.2
20260390500 2.2 2.8 3.6 331 -17.4 -23.1
20260390400 2.5 3.6 4.6 323 -17.1 -23.3
20260390300 2.5 3.1 4.7 330 -16.8 -22.9
20260390200 3.2 3.7 4.1 300 -15.7 -22.6
20260390100 3.6 4.4 5.3 312 -15.3 -22.6
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: 20260208.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