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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 6:50 pm EST on 11/14/2025 (DOY 318 23:50 GMT)
(Updated every 10 minutes)
Wind Speed:   8.9 kts   (4.6 m/s)
Max Wind Speed:   10.1 kts   (5.2 m/s)
Wind Direction:   105° (ESE)
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
20253181800 4.1 4.5 5.3 101 6.5 -99.0
20253181700 3.9 4.4 5.1 095 6.6 -99.0
20253181600 5.1 5.3 5.4 113 6.9 -99.0
20253181500 4.6 4.7 5.7 127 7.0 -99.0
20253181400 2.2 2.4 4.7 136 6.9 -99.0
20253181300 1.4 1.5 3.1 199 7.5 -99.0
20253181200 1.5 1.7 2.3 200 7.3 -99.0
20253181100 0.4 0.7 2.0 090 5.1 -99.0
20253181000 0.5 0.8 1.3 036 3.6 3.6
20253180900 0.2 0.5 0.9 318 2.0 2.0
20253180800 1.2 1.3 1.5 302 1.3 1.3
20253180700 1.7 2.1 2.3 312 1.2 -0.7
20253180600 2.3 2.7 2.8 304 1.5 -1.0
20253180500 2.6 3.3 3.7 286 1.8 -1.0
20253180400 2.2 2.6 3.3 296 1.8 -0.6
20253180300 2.8 3.2 3.8 280 2.1 -0.8
20253180200 2.4 3.4 4.1 271 2.6 0.2
20253180100 2.7 4.1 4.5 272 2.8 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: 20251114.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