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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.
Conditions at 8:20 pm EST on 02/25/2018 (DOY 057 01:20 GMT)
(Updated at about 04,14,24,34,44,54 minutes past the hour)
Wind Speed:   19.2 kts   (9.9 m/s)
Max Wind Speed:   24.9 kts   (12.8 m/s)
Wind Direction:   259° (W)
Air Temperature:   36.3 °F   (2.4 °C)
Wind Chill:   25.1 °F   (-3.8 °C)
Data & Plots of Previous 3 Hours (2 minute increments)
Data & Plots of Previous 5 Days (hourly increments)
         1 Day Windrose Plot5 Day Windrose Plot(explanation)         
Click on image to enlarge
(images updated 6X per hour)
Webcam Location & Info
[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]
6-hr animations: 1  2  3  4
Previous 48 images (top of hour only): 1  2  3  4
All Images (past 14 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
20180562000 9.5 10.7 15.3 265 2.5 -3.6
20180561900 8.4 9.9 14.0 264 2.9 -2.7
20180561800 10.4 14.7 17.5 278 4.1 -1.7
20180561700 11.2 15.1 17.2 266 5.1 -99.0
20180561600 12.4 15.5 16.4 264 4.9 -99.0
20180561500 12.4 17.2 18.8 263 4.2 -2.1
20180561400 13.7 18.1 19.3 270 3.4 -3.4
20180561300 16.5 20.2 21.7 269 2.4 -5.4
20180561200 14.0 17.3 21.5 258 2.5 -4.7
20180561100 13.1 17.3 21.0 272 2.7 -4.3
20180561000 12.8 16.6 18.3 264 3.0 -3.8
20180560900 8.8 10.8 17.0 273 4.3 -1.0
20180560800 9.2 10.5 16.0 254 3.8 -1.8
20180560700 5.0 5.7 13.1 204 1.6 -2.9
20180560600 7.5 8.0 8.4 174 1.0 -4.8
20180560500 10.7 12.4 12.5 159 1.1 -5.8
20180560400 10.4 11.7 13.8 144 0.9 -6.0
20180560300 10.2 11.6 13.7 137 0.8 -6.0
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 today's 2-minute data: 20180226.c6t.txt, data format (metadata)
      right arrow Click here for past data: 2018 | Archive

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