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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 9:30 am EST on 01/15/2021 (DOY 015 14:30 GMT)
(Updated at about 02,12,22,32,42,52 minutes past the hour)
Wind Speed:   17.3 kts   (8.9 m/s)
Max Wind Speed:   19.8 kts   (10.2 m/s)
Wind Direction:   115° (ESE)
Air Temperature:   37.8 °F   (3.2 °C)
Wind Chill:   27.6 °F   (-2.5 °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
20210150900 17.7 20.2 23.5 122 37.9 27.7
20210150800 21.2 23.3 26.8 124 37.8 26.5
20210150700 18.7 20.6 25.9 131 37.0 26.2
20210150600 19.2 21.2 25.3 127 37.0 26.1
20210150500 15.7 17.5 22.7 136 36.3 26.2
20210150400 16.5 17.9 20.0 133 36.1 25.7
20210150300 16.7 18.1 20.6 128 36.3 25.9
20210150200 15.7 18.1 20.2 137 36.3 26.2
20210150100 16.1 17.5 18.9 134 36.3 26.0
20210150000 16.1 17.9 18.9 127 36.3 26.0
20210142300 14.8 16.3 18.9 126 36.1 26.3
20210142200 13.0 14.0 16.7 131 36.1 26.9
20210142100 15.2 16.3 16.5 134 36.5 26.6
20210142000 11.5 11.9 16.3 130 36.0 27.3
20210141900 13.0 14.0 15.0 127 36.1 26.9
20210141800 7.8 8.0 14.8 115 36.0 29.2
20210141700 7.2 7.6 7.8 129 34.9 28.2
20210141600 5.8 6.0 8.4 141 34.5 28.7
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: 20210115.c6t.txt, data format (metadata)
      right arrow Click here for past data: 2021 | 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