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Alpena | Chicago | Michigan City | Milwaukee | Muskegon | Muskegon Pier Light | South Haven | Thunder Bay Island | Toledo Light #2

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 EDT on 07/19/2025 (DOY 200 21:30 GMT)
(Updated every 10 minutes)
Wind Speed:   9.1 kts   (4.7 m/s)
Max Wind Speed:   10.5 kts   (5.4 m/s)
Wind Direction:   91° (E)
Air Temperature:   66.4 °F   (19.1 °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 EDT Wind
Spd
m/s 		Wind
Gust
m/s 		Peak
Wind
m/s 		Wind
Dir
deg 		Air
Tmp
C
20252001700 4.2 4.7 7.2 097 19.3
20252001600 4.5 4.9 7.3 101 19.4
20252001500 4.2 5.5 6.3 073 20.2
20252001400 4.2 4.4 6.0 118 20.4
20252001300 2.7 3.1 4.5 150 22.1
20252001200 1.7 1.8 3.2 196 23.1
20252001100 3.1 4.3 4.3 256 22.4
20252001000 3.5 4.5 5.1 267 20.5
20252000900 2.1 2.9 4.7 260 19.1
20252000800 2.8 3.7 4.9 256 18.9
20252000700 3.2 3.8 4.4 214 18.9
20252000600 1.6 2.0 4.1 240 18.8
20252000500 3.7 4.2 4.2 204 19.2
20252000400 4.4 4.8 5.6 199 19.5
20252000300 4.7 5.5 5.8 190 19.4
20252000200 4.4 4.9 5.3 203 19.4
20252000100 5.6 6.5 7.1 191 19.3
20252000000 4.8 5.4 7.0 184 19.2
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for recent 2-minute daily data: 20250719.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:
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oar.glerl.www@noaa.gov
(734) 741-2235 		Data Inquiries:
oar.glerl.data@noaa.gov