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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 2:50 am EST on 11/30/2020 (DOY 335 07:50 GMT)
(Updated at about 02,12,22,32,42,52 minutes past the hour)
Wind Speed:   9.1 kts   (4.7 m/s)
Max Wind Speed:   12.6 kts   (6.5 m/s)
Wind Direction:   318° (NW)
Air Temperature:   36.0 °F   (2.2 °C)
Wind Chill:   28.4 °F   (-2.0 °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 10 days)

----- Previous 18 Hours (at top of hour)  [English] [Metric] -----
YEARDOY EST Wind
Spd
kts
Wind
Gust
kts
Peak
Wind
kts
Wind
Dir
deg
Air
Tmp
F
Wind
Chill
F
20203350200 11.7 15.4 15.4 298 36.3 27.7
20203350100 9.7 12.4 13.4 306 36.7 29.0
20203350000 8.6 11.5 21.6 328 39.6 33.2
20203342300 6.0 10.7 13.4 302 40.6 -99.0
20203342200 3.7 4.3 10.1 316 41.0 -99.0
20203342100 5.2 6.6 10.5 311 41.2 -99.0
20203342000 6.6 8.0 9.1 305 42.4 -99.0
20203341900 5.1 8.6 16.9 330 43.9 -99.0
20203341800 6.0 7.0 9.3 347 43.7 -99.0
20203341700 3.3 3.9 7.2 049 47.5 -99.0
20203341600 11.1 12.2 12.2 208 47.3 -99.0
20203341500 9.5 10.9 12.8 240 50.7 -99.0
20203341400 9.3 11.1 15.9 233 49.1 -99.0
20203341300 12.2 12.6 14.2 195 46.4 -99.0
20203341200 8.7 9.5 12.8 188 44.4 -99.0
20203341100 8.2 9.9 11.5 240 45.7 -99.0
20203341000 5.8 6.6 12.8 251 44.1 -99.0
20203340900 7.4 8.2 11.5 254 40.3 -99.0
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: 20201130.c6t.txt, data format (metadata)
      right arrow Click here for past data: 2020 | 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