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Hurricane Symbol Storm Special! View the latest observations near Atlantic Hurricane Sam and Atlantic Subtropical Storm Teresa.

Station APNM4 - Alpena Harbor Light, Alpena, MI Image indicating link to RSS feed of recent meteorological observations for station APNM4

Owned and maintained by Great Lakes Environmental Research Laboratory
C-MAN Station
45.060 N 83.424 W (45°3'35" N 83°25'25" W)

Site elevation: 177.5 m above mean sea level
Air temp height: 15 m above site elevation
Anemometer height: 18 m above site elevation

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station APNM4

Station APNM4
Large icon indicates selected station.
yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
     (24 hours for tsunami stations)

Conditions at APNM4 as of
(4:10 am EDT)
0810 GMT on 09/25/2021:
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.
5-day plot - Wind Direction Wind Direction (WDIR): WSW ( 240 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 13 kts
5-day plot - Wind Gust Wind Gust (GST): 16 kts
5-day plot - Air Temperature Air Temperature (ATMP): 62.1 °F
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Previous observations
5-day plot - Wind Direction 5-day plot - Wind Speed 5-day plot - Wind Gust 5-day plot - Wave Height 5-day plot - Dominant Wave Period 5-day plot - Average Period 5-day plot - Mean Wave Direction 5-day plot - Atmospheric Pressure 5-day plot - Pressure Tendency 5-day plot - Air Temperature 5-day plot - Water Temperature 5-day plot - Dew Point 5-day plot - Salinity 5-day plot - Visibility 5-day plot - Tide (above MLLW)
MM DD TIME
(EDT)		 WDIR WSPD
kts		 GST
kts		 WVHT
ft		 DPD
sec		 APD
sec		 MWD PRES
in		 PTDY
in		 ATMP
°F		 WTMP
°F		 DEWP
°F		 SAL
psu		 VIS
nmi		 TIDE
ft
0925 4:00 am SW 10 12------ 62.2-----
0925 3:50 am SW 10 11------ 62.6-----
0925 3:40 am SW 11 12------ 62.8-----
0925 3:30 am SW 11 13------ 62.8-----
0925 3:20 am SW 13 15------ 63.1-----
0925 3:10 am SW 13 16------ 62.6-----
0925 3:00 am SW 12 13------ 62.4-----
0925 2:50 am SW 13 15------ 62.4-----
0925 2:40 am SW 13 14------ 62.4-----
0925 2:30 am SW 12 14------ 62.2-----
0925 2:20 am SW 12 13------ 62.4-----
0925 2:10 am SW 14 16------ 62.6-----
0925 2:00 am SW 13 15------ 62.8-----
0925 1:50 am SW 16 18------ 63.3-----
0925 1:40 am SW 17 19------ 63.7-----
0925 1:30 am SW 18 21------ 64.0-----
0925 1:20 am SW 18 20------ 64.2-----
0925 1:10 am SW 17 19------ 64.4-----
0925 1:00 am SW 19 22------ 64.6-----
092512:50 amSSW 17 19------ 63.7-----
092512:40 am S 11 13------ 62.6-----
092512:30 am S 14 16------ 62.6-----
092512:20 am S 16 18------ 62.4-----
092512:10 am S 15 16------ 62.6-----
092512:00 am S 17 18------ 62.6-----
092411:40 pm S 16 18------ 62.2-----
092411:30 pm S 14 15------ 62.4-----
092411:20 pm S 15 17------ 62.6-----
092411:10 pm S 15 17------ 62.4-----
092411:00 pm S 14 16------ 61.9-----
092410:50 pm S 10 11------ 61.5-----
092410:40 pm S 10 11------ 61.5-----
092410:30 pm S 11 12------ 61.3-----
092410:20 pm S 10 11------ 61.5-----
092410:10 pm S 10 11------ 61.5-----
092410:00 pm S 6 7------ 61.5-----
0924 9:50 pmSSW 8 9------ 61.5-----
0924 9:40 pmSSW 9 10------ 61.5-----
0924 9:30 pmSSW 10 11------ 61.5-----
0924 9:20 pm S 10 11------ 61.7-----
0924 9:10 pm S 10 11------ 62.1-----
0924 9:00 pm S 11 12------ 62.2-----
0924 8:50 pm S 10 11------ 62.6-----
0924 8:40 pmSSW 10 11------ 62.8-----
0924 8:30 pmSSW 11 12------ 63.1-----
0924 8:20 pm S 11 11------ 63.3-----
0924 8:10 pm S 11 11------ 63.7-----
0924 8:00 pm S 10 11------ 64.0-----
0924 7:50 pm S 10 11------ 64.0-----
0924 7:40 pmSSW 9 9------ 64.2-----
0924 7:30 pmSSW 8 8------ 64.9-----
0924 7:20 pmSSW 8 9------ 66.4-----
0924 7:10 pm SW 8 8------ 67.3-----
0924 7:00 pm SW 8 8------ 68.2-----
0924 6:50 pm SW 7 8------ 69.3-----
0924 6:40 pmWSW 7 8------ 69.6-----
0924 6:30 pmWSW 8 8------ 70.3-----
0924 6:20 pmWSW 7 8------ 70.2-----
0924 6:10 pmWSW 9 10------ 69.8-----
0924 6:00 pm W 7 8------ 70.0-----
0924 5:50 pmWSW 8 9------ 69.8-----
0924 5:40 pm W 8 11------ 69.4-----
0924 5:30 pm W 9 12------ 68.7-----
0924 5:20 pm W 9 12------ 69.1-----
0924 5:10 pm W 9 12------ 68.7-----
0924 5:00 pm W 7 8------ 67.8-----
0924 4:50 pm W 9 11------ 67.6-----
0924 4:40 pmWNW 8 11------ 67.5-----
0924 4:30 pmWNW 9 10------ 67.1-----
0924 4:20 pm W 11 14------ 66.6-----
0924 4:10 pm W 9 12------ 66.4-----
0924 4:00 pm W 12 14------ 65.8-----
0924 3:50 pm W 11 16------ 66.0-----
0924 3:40 pm W 11 14------ 65.5-----
0924 3:30 pm W 11 13------ 65.3-----
0924 3:20 pmWNW 9 11------ 65.1-----
0924 3:10 pm W 10 12------ 64.6-----
0924 3:00 pm NW 10 13------ 64.2-----
0924 2:50 pmWNW 12 15------ 63.7-----
0924 2:40 pm W 10 14------ 63.1-----
0924 2:30 pmWNW 8 10------ 62.6-----
0924 2:20 pm W 8 11------ 62.1-----
0924 2:10 pm NW 8 11------ 61.5-----
0924 2:00 pmWNW 10 12------ 60.8-----
0924 1:50 pmWNW 8 12------ 59.9-----
0924 1:40 pmWNW 10 13------ 59.2-----
0924 1:30 pmWNW 13 16------ 58.6-----
0924 1:20 pm NW 9 11------ 57.9-----
0924 1:10 pm NW 8 13------ 57.6-----
0924 1:00 pmWNW 10 13------ 56.3-----
092412:50 pmWNW 14 17------ 56.1-----
092412:40 pmWNW 12 15------ 55.8-----
092412:30 pmWNW 14 17------ 55.4-----
092412:20 pmWNW 10 16------ 55.0-----
092412:10 pmWNW 9 11------ 54.1-----
092412:00 pmWNW 9 13------ 53.8-----
092411:50 amWNW 9 12------ 53.4-----
092411:40 amWNW 9 11------ 53.4-----
092411:30 am NW 9 12------ 52.9-----
092411:20 am NW 10 11------ 52.9-----
092411:10 amWNW 10 13------ 52.2-----
092411:00 amWNW 9 12------ 51.8-----
092410:50 amWNW 8 11------ 51.4-----
092410:40 amWNW 8 10------ 51.3-----
092410:30 amWNW 11 14------ 51.3-----
092410:20 am W 9 11------ 50.9-----
092410:10 am W 8 10------ 50.7-----
092410:00 amWNW 7 10------ 50.5-----
0924 9:50 amWNW 8 11------ 50.7-----
0924 9:40 am W 6 8------ 50.5-----
0924 9:30 amWNW 9 13------ 50.5-----
0924 9:20 amWNW 8 11------ 50.5-----
0924 9:10 amWNW 7 10------ 50.2-----
0924 9:00 am W 7 9------ 49.8-----
0924 8:50 am W 6 8------ 49.6-----
0924 8:40 am W 5 6------ 49.5-----
0924 8:30 amWNW 6 8------ 49.3-----
0924 8:20 amWNW 6 7------ 49.3-----
0924 8:10 am W 6 8------ 49.3-----
0924 8:00 am W 6 7------ 49.3-----
0924 7:50 amWNW 6 7------ 49.3-----
0924 7:40 am NW 7 9------ 49.1-----
0924 7:30 amWNW 6 9------ 49.1-----
0924 7:20 amWNW 7 9------ 48.9-----
0924 7:10 amWNW 7 10------ 48.9-----
0924 7:00 amWNW 7 9------ 48.7-----
0924 6:50 amWNW 7 9------ 48.7-----
0924 6:40 amWNW 8 9------ 48.7-----
0924 6:30 am NW 7 9------ 48.6-----
0924 6:20 am NW 7 9------ 48.6-----
0924 6:10 am NW 8 11------ 48.7-----
0924 6:00 am NW 8 9------ 48.7-----
0924 5:50 am NW 8 10------ 48.9-----
0924 5:40 amWNW 9 11------ 48.7-----
0924 5:30 am NW 9 13------ 48.9-----
0924 5:20 am NW 10 14------ 48.7-----
0924 5:10 amWNW 9 11------ 49.1-----
0924 5:00 am NW 11 15------ 49.1-----
0924 4:50 amWNW 12 15------ 49.1-----
0924 4:40 am NW 11 14------ 49.3-----
0924 4:30 am NW 13 17------ 49.3-----
0924 4:20 am NW 13 16------ 49.3-----
0924 4:10 am NW 11 15------ 49.6-----
0924 4:00 am NW 11 14------ 49.6-----
0924 3:50 am NW 10 12------ 50.0-----

Description of Measurements

Links which are specific to this station are listed below:

Real Time Data in tabular form for the last forty-five days.

Historical Data & Climatic Summaries for quality controlled data for the current month, previous months, and previous years.