Station List

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

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yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
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Station APNM4

Conditions at APNM4 as of
(2:10 am EST)
0710 GMT on 12/01/2023:
     

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): NW ( 320 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 6 kts
5-day plot - Wind Gust Wind Gust (GST): 8 kts
5-day plot - Air Temperature Air Temperature (ATMP): 31.5 °F
5-day plot - Wind Chill Wind Chill (CHILL): 25.0 °F
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Previous observations
TIME
(EST)		 5-day plot - Wind Direction
WDIR
 		 5-day plot - Wind Speed
WSPD
kts		 5-day plot - Wind Gust
GST
kts		 5-day plot - Wave Height
WVHT
ft		 5-day plot - Dominant Wave Period
DPD
sec		 5-day plot - Average Wave Period
APD
sec		 5-day plot - Mean Wave Direction
MWD
 		 5-day plot - Atmospheric Pressure
PRES
in		 5-day plot - Pressure Tendency
PTDY
in		 5-day plot - Air Temperature
ATMP
°F		 5-day plot - Water Temperature
WTMP
°F		 5-day plot - Dew Point
DEWP
°F		 5-day plot - Salinity
SAL
psu		 5-day plot - Visibility
VIS
nmi		 5-day plot - Tide (above MLLW)
TIDE
ft
2023-12-01 01:50 am NW 5 6------ 31.6-----
2023-12-01 01:40 am NW 5 5------ 31.5-----
2023-12-01 01:30 am NW 5 5------ 31.6-----
2023-12-01 01:20 am NW 5 5------ 32.0-----
2023-12-01 01:10 am NW 6 6------ 32.5-----
2023-12-01 12:50 amWNW 4 5------ 33.1-----
2023-12-01 12:40 am W 4 4------ 33.4-----
2023-12-01 12:30 am W 4 5------ 33.8-----
2023-12-01 12:20 am W 4 5------ 34.2-----
2023-12-01 12:10 am W 3 4------ 34.3-----
2023-11-30 11:50 pmWNW 4 5------ 35.2-----
2023-11-30 11:40 pmWNW 4 5------ 35.4-----
2023-11-30 11:30 pm NW 6 8------ 35.8-----
2023-11-30 11:20 pm NW 7 8------ 36.1-----
2023-11-30 11:10 pm NW 6 8------ 36.3-----
2023-11-30 11:00 pmWNW 5 6------ 36.5-----
2023-11-30 10:50 pmWNW 4 5------ 36.5-----
2023-11-30 10:40 pmWNW 4 5------ 36.7-----
2023-11-30 10:30 pm NW 6 8------ 36.9-----
2023-11-30 10:20 pm NW 5 7------ 37.2-----
2023-11-30 10:10 pm NW 5 6------ 37.2-----
2023-11-30 10:00 pm NW 5 6------ 37.4-----
2023-11-30 09:50 pm NW 5 6------ 37.4-----
2023-11-30 09:40 pm NW 5 6------ 37.6-----
2023-11-30 09:30 pm NW 6 8------ 37.8-----
2023-11-30 09:20 pm NW 6 7------ 37.9-----
2023-11-30 09:10 pm NW 5 7------ 38.1-----
2023-11-30 09:00 pm NW 6 8------ 37.9-----
2023-11-30 08:50 pmWNW 8 10------ 38.1-----
2023-11-30 08:40 pmWNW 8 9------ 38.3-----
2023-11-30 08:30 pm NW 8 11------ 38.3-----
2023-11-30 08:20 pmWNW 6 7------ 38.3-----
2023-11-30 08:10 pmWNW 7 9------ 38.3-----
2023-11-30 08:00 pmWNW 7 9------ 38.3-----
2023-11-30 07:50 pm W 5 6------ 38.1-----
2023-11-30 07:40 pm W 7 9------ 38.3-----
2023-11-30 07:30 pmWNW 8 11------ 38.5-----
2023-11-30 07:20 pmWNW 8 10------ 38.5-----
2023-11-30 07:10 pmWNW 8 10------ 38.7-----
2023-11-30 07:00 pmWNW 8 11------ 38.8-----
2023-11-30 06:50 pmWNW 6 8------ 38.8-----
2023-11-30 06:10 pm NW 7 10------ 40.6-----
2023-11-30 06:00 pmNNW 7 13------ 41.4-----
2023-11-30 05:50 pm NW 7 9------ 42.4-----
2023-11-30 05:40 pm NW 8 10------ 42.8-----
2023-11-30 05:30 pm NW 8 10------ 43.3-----
2023-11-30 05:20 pmWNW 6 7------ 43.9-----
2023-11-30 05:10 pmWNW 8 11------ 44.8-----
2023-11-30 05:00 pm NW 9 13------ 45.1-----
2023-11-30 04:50 pm NW 8 9------ 45.7-----
2023-11-30 04:40 pmWNW 8 9------ 46.2-----
2023-11-30 04:30 pm NW 6 7------ 46.8-----
2023-11-30 04:20 pm NW 7 8------ 46.9-----
2023-11-30 04:10 pm NW 6 7------ 47.1-----
2023-11-30 04:00 pm W 8 10------ 47.5-----
2023-11-30 03:50 pmWNW 7 9------ 47.5-----
2023-11-30 03:40 pm W 7 10------ 47.5-----
2023-11-30 03:30 pm W 9 11------ 47.5-----
2023-11-30 03:20 pm W 9 12------ 47.5-----
2023-11-30 03:10 pmWNW 8 10------ 47.3-----
2023-11-30 03:00 pmWNW 10 12------ 47.5-----
2023-11-30 02:50 pmWNW 8 9------ 47.8-----
2023-11-30 02:40 pm W 9 12------ 47.8-----
2023-11-30 02:30 pm W 10 14------ 47.1-----
2023-11-30 02:20 pm SW 4 5------ 45.0-----
2023-11-30 02:10 pm SW 6 7------ 45.5-----
2023-11-30 02:00 pm SW 8 8------ 44.8-----
2023-11-30 01:50 pmSSW 6 7------ 44.2-----
2023-11-30 01:40 pmSSW 7 8------ 43.9-----
2023-11-30 01:30 pmSSW 8 9------ 43.7-----
2023-11-30 01:20 pmSSW 8 10------ 43.5-----
2023-11-30 01:10 pmSSW 10 12------ 42.8-----
2023-11-30 01:00 pm S 8 10------ 41.5-----
2023-11-30 12:50 pm S 7 7------ 42.1-----
2023-11-30 12:40 pm S 8 9------ 41.9-----
2023-11-30 12:30 pm S 9 10------ 41.9-----
2023-11-30 12:20 pmSSW 10 11------ 41.7-----
2023-11-30 12:10 pm SW 11 11------ 41.7-----
2023-11-30 12:00 pm S 5 5------ 41.9-----
2023-11-30 11:50 amSSW 4 4------ 41.5-----
2023-11-30 11:40 am S 6 6------ 40.6-----
2023-11-30 11:30 am S 8 9------ 39.7-----
2023-11-30 11:20 amSSW 9 11------ 39.2-----
2023-11-30 11:10 amSSW 9 10------ 39.0-----
2023-11-30 11:00 amSSW 9 10------ 38.5-----
2023-11-30 10:50 amSSW 7 9------ 38.3-----
2023-11-30 10:40 amSSW 7 8------ 37.9-----
2023-11-30 10:30 amSSW 7 8------ 37.0-----
2023-11-30 10:20 am S 10 11------ 37.4-----
2023-11-30 10:10 am S 10 10------ 37.2-----
2023-11-30 10:00 amSSW 10 11------ 36.3-----
2023-11-30 09:50 am SW 8 9------ 35.8-----
2023-11-30 09:40 am SW 9 10------ 35.1-----
2023-11-30 09:30 am SW 10 10------ 36.0-----
2023-11-30 09:20 am SW 10 12------ 35.8-----
2023-11-30 09:10 am SW 11 13------ 35.1-----
2023-11-30 09:00 am SW 10 12------ 34.0-----
2023-11-30 08:50 am SW 9 11------ 33.6-----
2023-11-30 08:40 am SW 10 12------ 33.4-----
2023-11-30 08:30 am SW 12 13------ 33.3-----
2023-11-30 08:20 amWSW 12 14------ 33.1-----
2023-11-30 08:10 am SW 12 14------ 32.9-----
2023-11-30 08:00 amWSW 14 17------ 32.7-----
2023-11-30 07:50 amWSW 13 16------ 32.4-----
2023-11-30 07:40 am SW 12 14------ 32.2-----
2023-11-30 07:30 am SW 10 11------ 32.0-----
2023-11-30 07:20 am SW 10 12------ 32.2-----
2023-11-30 07:10 am SW 9 10------ 32.4-----
2023-11-30 07:00 am SW 9 9------ 32.5-----
2023-11-30 06:50 am SW 8 10------ 32.7-----
2023-11-30 06:40 am SW 7 8------ 32.9-----
2023-11-30 06:30 am SW 7 8------ 33.1-----
2023-11-30 06:20 amSSW 7 7------ 33.3-----
2023-11-30 06:10 amSSW 7 7------ 33.3-----
2023-11-30 06:00 am SW 6 6------ 33.1-----
2023-11-30 05:50 am SW 7 7------ 33.1-----
2023-11-30 05:40 am SW 8 9------ 32.9-----
2023-11-30 05:30 am SW 9 10------ 33.1-----
2023-11-30 05:20 am SW 10 11------ 33.1-----
2023-11-30 05:10 amWSW 11 13------ 32.9-----
2023-11-30 05:00 amWSW 9 10------ 32.7-----
2023-11-30 04:50 amWSW 10 12------ 32.7-----
2023-11-30 04:40 amWSW 9 11------ 32.5-----
2023-11-30 04:30 amWSW 9 12------ 32.5-----
2023-11-30 04:20 amWSW 10 12------ 32.5-----
2023-11-30 04:10 amWSW 9 12------ 32.5-----
2023-11-30 04:00 amWSW 9 11------ 32.5-----
2023-11-30 03:50 am SW 10 12------ 32.5-----
2023-11-30 03:40 am SW 10 11------ 32.7-----
2023-11-30 03:30 am SW 9 10------ 32.7-----
2023-11-30 03:20 am SW 9 11------ 32.7-----
2023-11-30 03:10 am SW 7 9------ 32.5-----
2023-11-30 03:00 am SW 8 10------ 32.5-----
2023-11-30 02:50 amWSW 8 10------ 32.4-----
2023-11-30 02:40 amWSW 8 9------ 32.4-----
2023-11-30 02:30 am SW 8 9------ 32.4-----
2023-11-30 02:20 amWSW 7 8------ 32.4-----
2023-11-30 02:10 amWSW 7 9------ 32.4-----
2023-11-30 02:00 amWSW 7 8------ 32.4-----
2023-11-30 01:50 amWSW 6 7------ 32.5-----