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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
(4:40 am EDT)
0840 GMT on 09/21/2020:
     

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): SSW ( 210 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 8 kts
5-day plot - Wind Gust Wind Gust (GST): 9 kts
5-day plot - Air Temperature Air Temperature (ATMP): 54.1 °F
5-day plot - Wind Chill Wind Chill (CHILL): 51.6 °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
0921 4:30 am SW 6 7------ 53.6-----
0921 4:20 amWSW 4 5------ 53.2-----
0921 4:10 am SW 7 8------ 53.8-----
0921 4:00 am SW 6 7------ 53.8-----
0921 3:50 amWSW 6 7------ 53.8-----
0921 3:40 amWSW 7 8------ 54.1-----
0921 3:30 am SW 8 9------ 54.9-----
0921 3:20 am SW 9 10------ 54.9-----
0921 3:10 am SW 10 11------ 54.9-----
0921 3:00 am SW 10 11------ 54.7-----
0921 2:50 amSSW 9 10------ 54.7-----
0921 2:40 am SW 8 10------ 54.5-----
0921 2:30 am SW 7 8------ 54.0-----
0921 2:20 amWSW 7 7------ 54.3-----
0921 2:10 amWSW 8 9------ 56.5-----
0921 2:00 am SW 13 14------ 57.4-----
0921 1:50 amSSW 15 16------ 57.7-----
0921 1:40 amSSW 16 17------ 57.7-----
0921 1:30 amSSW 14 16------ 58.1-----
0921 1:20 amSSW 13 15------ 58.1-----
0921 1:10 am S 16 18------ 57.9-----
0921 1:00 amSSW 13 14------ 57.7-----
092112:50 am S 12 14------ 57.9-----
092112:40 am S 13 14------ 57.6-----
092112:30 amSSW 11 12------ 57.4-----
092112:20 amSSW 12 14------ 57.2-----
092112:10 amSSW 13 14------ 57.4-----
092112:00 amSSW 12 13------ 57.7-----
092011:50 pm S 11 12------ 57.9-----
092011:40 pm S 13 14------ 57.9-----
092011:30 pmSSW 11 12------ 58.1-----
092011:20 pm S 11 12------ 58.5-----
092011:10 pm S 12 14------ 58.5-----
092011:00 pm S 12 13------ 58.6-----
092010:50 pm S 10 11------ 58.5-----
092010:40 pm S 10 11------ 58.3-----
092010:30 pm S 10 11------ 58.5-----
092010:20 pm S 9 10------ 58.5-----
092010:10 pm S 9 10------ 58.6-----
092010:00 pm S 10 11------ 58.6-----
0920 9:50 pm S 8 9------ 58.8-----
0920 9:40 pm S 9 9------ 59.0-----
0920 9:30 pm S 10 11------ 59.2-----
0920 9:20 pm S 10 11------ 59.4-----
0920 9:10 pm S 11 12------ 59.5-----
0920 9:00 pm S 12 15------ 59.9-----
0920 8:50 pm S 15 17------ 60.1-----
0920 8:40 pm S 15 17------ 60.1-----
0920 8:30 pm S 17 19------ 59.9-----
0920 8:20 pm S 16 17------ 60.1-----
0920 8:10 pm S 19 20------ 59.9-----
0920 8:00 pm S 18 20------ 59.9-----
0920 7:50 pm S 17 20------ 59.9-----
0920 7:40 pm S 17 20------ 59.9-----
0920 7:30 pm S 19 21------ 59.9-----
0920 7:20 pm S 19 21------ 60.1-----
0920 7:10 pm S 17 20------ 60.3-----
0920 7:00 pm S 18 21------ 60.3-----
0920 6:50 pm S 19 21------ 60.3-----
0920 6:40 pm S 19 22------ 60.4-----
0920 6:30 pm S 20 22------ 60.4-----
0920 6:20 pm S 20 22------ 60.4-----
0920 6:10 pm S 20 22------ 60.4-----
0920 6:00 pm S 18 20------ 60.6-----
0920 5:50 pm S 18 20------ 60.4-----
0920 5:40 pm S 18 20------ 60.4-----
0920 5:30 pm S 18 21------ 60.3-----
0920 5:20 pmSSE 19 22------ 60.1-----
0920 5:10 pm S 21 23------ 59.9-----
0920 5:00 pm S 20 23------ 59.9-----
0920 4:50 pm S 21 23------ 59.7-----
0920 4:40 pmSSE 20 22------ 59.5-----
0920 4:30 pm S 21 23------ 59.5-----
0920 4:20 pmSSE 22 24------ 59.4-----
0920 4:10 pmSSE 23 25------ 59.4-----
0920 4:00 pmSSE 21 24------ 59.4-----
0920 3:50 pm S 22 24------ 59.4-----
0920 3:40 pm S 24 26------ 59.4-----
0920 3:30 pm S 22 24------ 59.4-----
0920 3:20 pmSSE 19 21------ 59.4-----
0920 3:10 pm S 22 24------ 59.5-----
0920 3:00 pmSSE 20 23------ 59.4-----
0920 2:50 pmSSE 20 23------ 59.2-----
0920 2:40 pmSSE 21 24------ 59.2-----
0920 2:30 pmSSE 20 22------ 59.4-----
0920 2:20 pmSSE 20 22------ 59.2-----
0920 2:10 pmSSE 19 21------ 59.4-----
0920 2:00 pmSSE 19 21------ 59.4-----
0920 1:50 pmSSE 17 18------ 59.2-----
0920 1:40 pmSSE 16 18------ 59.0-----
0920 1:30 pmSSE 17 19------ 58.8-----
0920 1:20 pmSSE 16 17------ 58.6-----
0920 1:10 pmSSE 16 16------ 58.5-----
0920 1:00 pmSSE 14 15------ 58.6-----
092012:50 pmSSE 14 14------ 58.5-----
092012:40 pmSSE 13 14------ 58.8-----
092012:30 pmSSE 10 11------ 59.9-----
092012:20 pm S 10 11------ 60.3-----
092012:10 pm S 9 10------ 59.7-----
092012:00 pm S 9 10------ 60.1-----
092011:50 am S 9 10------ 61.0-----
092011:40 am S 10 11------ 60.6-----
092011:30 am S 9 10------ 60.6-----
092011:20 am S 9 9------ 60.8-----
092011:10 amSSW 7 8------ 60.4-----
092011:00 amSSW 8 10------ 60.1-----
092010:50 amSSW 7 8------ 59.5-----
092010:40 amSSW 8 9------ 59.0-----
092010:30 am SW 8 10------ 58.8-----
092010:20 am SW 8 8------ 58.8-----
092010:10 am SW 7 8------ 58.1-----
092010:00 am SW 7 7------ 57.4-----
0920 9:50 am SW 6 7------ 57.0-----
0920 9:40 amSSW 7 8------ 55.9-----
0920 9:30 am SW 7 8------ 56.1-----
0920 9:20 am SW 7 8------ 55.2-----
0920 9:10 amSSW 5 6------ 54.7-----
0920 9:00 am SW 5 7------ 53.8-----
0920 8:50 amWSW 4 4------ 53.1-----
0920 8:40 am SW 4 5------ 52.2-----
0920 8:30 am SW 3 4------ 50.9-----
0920 8:20 amWSW 2 3------ 50.2-----
0920 8:10 amWSW 2 3------ 50.0-----
0920 8:00 amWSW 3 4------ 50.4-----
0920 7:50 amWSW 4 5------ 50.5-----
0920 7:40 amWSW 4 6------ 50.5-----
0920 7:30 amWSW 4 5------ 50.5-----
0920 7:20 am W 4 5------ 51.1-----
0920 7:10 am SW 6 7------ 51.3-----
0920 7:00 amSSW 6 7------ 51.1-----
0920 6:50 amSSW 6 7------ 50.7-----
0920 6:40 amSSW 5 7------ 49.8-----
0920 6:30 am W 3 4------ 49.1-----
0920 6:20 am W 3 5------ 49.1-----
0920 6:10 am W 4 5------ 50.0-----
0920 6:00 amWSW 5 6------ 52.0-----
0920 5:50 am SW 7 8------ 52.2-----
0920 5:40 am SW 7 8------ 52.0-----
0920 5:30 am SW 7 8------ 51.4-----
0920 5:20 am SW 1 3------ 50.9-----
0920 5:10 amWSW 3 4------ 50.9-----
0920 5:00 am W 3 4------ 51.1-----
0920 4:50 am W 2 3------ 51.6-----

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.