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
(10:20 am EDT)
1420 GMT on 06/14/2026:
     

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): 4 kts
5-day plot - Wind Gust Wind Gust (GST): 7 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
TIME
(EDT)		 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
2026-06-14 10:10 am N 3 5------ 61.7-----
2026-06-14 10:00 amWNW 6 8------ 61.2-----
2026-06-14 09:50 amNNW 6 9------ 61.0-----
2026-06-14 09:40 am NW 4 5------ 61.3-----
2026-06-14 09:30 am NW 6 9------ 61.5-----
2026-06-14 09:20 am NW 5 8------ 61.0-----
2026-06-14 09:10 amWNW 6 8------ 61.3-----
2026-06-14 09:00 am W 3 6------ 62.1-----
2026-06-14 08:50 amWNW 5 7------ 60.6-----
2026-06-14 08:40 amWNW 3 4------ 60.8-----
2026-06-14 08:30 amWNW 3 6------ 61.0-----
2026-06-14 08:20 amWSW 3 4------ 61.5-----
2026-06-14 08:10 amWSW 4 5------ 59.9-----
2026-06-14 08:00 am W 4 5------ 57.6-----
2026-06-14 07:50 am W 4 6------ 56.5-----
2026-06-14 07:40 am W 5 6------ 56.3-----
2026-06-14 07:30 amWSW 5 5------ 56.3-----
2026-06-14 07:20 am W 4 5------ 55.8-----
2026-06-14 07:10 amWNW 4 4------ 55.8-----
2026-06-14 07:00 am W 3 5------ 55.8-----
2026-06-14 06:50 am NW 3 4------ 55.6-----
2026-06-14 06:40 amWNW 4 5------ 55.6-----
2026-06-14 06:30 am W 3 4------ 55.6-----
2026-06-14 06:20 am W 4 5------ 55.2-----
2026-06-14 06:10 am W 2 3------ 55.2-----
2026-06-14 06:00 am W 3 4------ 55.0-----
2026-06-14 05:50 am W 3 4------ 55.0-----
2026-06-14 05:40 amWNW 4 5------ 55.0-----
2026-06-14 05:30 amWNW 4 5------ 55.0-----
2026-06-14 05:20 amWNW 2 4------ 54.9-----
2026-06-14 05:10 amWSW 3 5------ 54.5-----
2026-06-14 05:00 amWSW 3 4------ 54.5-----
2026-06-14 04:50 am W 2 3------ 54.7-----
2026-06-14 04:40 am W 3 4------ 54.9-----
2026-06-14 04:30 am W 3 4------ 55.2-----
2026-06-14 04:20 am SW 3 3------ 55.0-----
2026-06-14 04:10 amWSW 2 2------ 55.0-----
2026-06-14 04:00 am W 2 3------ 55.0-----
2026-06-14 03:50 amWSW 3 4------ 55.0-----
2026-06-14 03:40 am W 2 3------ 55.2-----
2026-06-14 03:30 am W 3 4------ 55.2-----
2026-06-14 03:20 am W 4 4------ 55.0-----
2026-06-14 03:10 am W 3 4------ 55.2-----
2026-06-14 03:00 am W 3 4------ 54.9-----
2026-06-14 02:50 am SW 4 5------ 55.0-----
2026-06-14 02:40 am W 3 4------ 55.0-----
2026-06-14 02:30 amWNW 3 3------ 55.2-----
2026-06-14 02:20 am W 3 3------ 55.2-----
2026-06-14 02:10 am W 3 3------ 55.4-----
2026-06-14 02:00 amWSW 3 3------ 55.6-----
2026-06-14 01:50 amWSW 2 3------ 55.9-----
2026-06-14 01:40 am NW 2 3------ 56.1-----
2026-06-14 01:30 am NW 3 5------ 56.1-----
2026-06-14 01:20 am NW 4 5------ 55.9-----
2026-06-14 01:10 amWNW 3 4------ 55.9-----
2026-06-14 01:00 am W 3 3------ 56.1-----
2026-06-14 12:50 am W 4 5------ 56.5-----
2026-06-14 12:40 amWNW 4 5------ 56.7-----
2026-06-14 12:30 am NW 3 4------ 56.8-----
2026-06-14 12:20 am NW 4 6------ 56.5-----
2026-06-14 12:10 am NW 3 4------ 56.5-----
2026-06-14 12:00 amNNW 2 3------ 56.5-----
2026-06-13 11:50 pm NW 3 4------ 56.7-----
2026-06-13 11:40 pm NW 2 4------ 56.7-----
2026-06-13 11:30 pmNNW 3 4------ 56.5-----
2026-06-13 11:20 pmNNW 2 3------ 56.8-----
2026-06-13 11:10 pm NW 3 4------ 57.0-----
2026-06-13 11:00 pm NW 3 4------ 57.2-----
2026-06-13 10:50 pm NW 3 4------ 57.2-----
2026-06-13 10:40 pmWNW 1 2------ 56.8-----
2026-06-13 10:30 pmNNW 2 3------ 56.8-----
2026-06-13 10:20 pmNNW 2 3------ 57.0-----
2026-06-13 10:10 pmNNW 1 2------ 57.2-----
2026-06-13 10:00 pmNNW 3 3------ 57.4-----
2026-06-13 09:50 pm N 1 2------ 57.4-----
2026-06-13 09:40 pm N 4 6------ 57.6-----
2026-06-13 09:30 pm N 7 8------ 57.7-----
2026-06-13 09:20 pm N 4 9------ 57.9-----
2026-06-13 09:10 pm N 5 7------ 58.5-----
2026-06-13 09:00 pm N 6 8------ 58.8-----
2026-06-13 08:50 pm N 5 9------ 58.3-----
2026-06-13 08:40 pm N 4 7------ 58.5-----
2026-06-13 08:30 pm N 7 10------ 58.6-----
2026-06-13 08:20 pm N 6 8------ 59.0-----
2026-06-13 08:10 pm N 9 14------ 59.2-----
2026-06-13 08:00 pm N 7 12------ 59.4-----
2026-06-13 07:50 pm N 8 11------ 59.0-----
2026-06-13 07:40 pm N 12 15------ 58.8-----
2026-06-13 07:30 pm N 10 15------ 59.0-----
2026-06-13 07:20 pm N 10 13------ 59.4-----
2026-06-13 07:10 pm N 9 13------ 60.3-----
2026-06-13 07:00 pmNNE 12 17------ 60.8-----
2026-06-13 06:50 pmNNE 13 16------ 61.9-----
2026-06-13 06:40 pmNNE 16 19------ 63.1-----
2026-06-13 06:30 pmNNE 11 17------ 68.4-----
2026-06-13 06:20 pmWNW 9 15------------
2026-06-13 06:10 pm W 13 17------------
2026-06-13 06:00 pm W 12 16------------
2026-06-13 05:50 pm W 10 13------------
2026-06-13 05:40 pm S 3 5------ 68.7-----
2026-06-13 05:30 pmSSE 5 6------ 65.1-----
2026-06-13 05:20 pmSSE 5 7------ 64.9-----
2026-06-13 05:10 pm SE 8 9------ 64.0-----
2026-06-13 05:00 pmESE 6 8------ 64.2-----
2026-06-13 04:50 pm SE 8 9------ 64.8-----
2026-06-13 04:40 pm SE 4 5------ 65.8-----
2026-06-13 04:30 pm S 4 5------ 66.4-----
2026-06-13 04:20 pm SE 2 2------ 65.5-----
2026-06-13 04:10 pm SE 5 5------ 64.4-----
2026-06-13 04:00 pm SE 4 5------ 63.0-----
2026-06-13 03:50 pmESE 7 8------ 62.6-----
2026-06-13 03:40 pm SE 9 10------ 63.5-----
2026-06-13 03:30 pm SE 8 9------ 63.9-----
2026-06-13 03:20 pm- 0 1------ 65.3-----
2026-06-13 03:10 pm S 5 6------ 65.7-----
2026-06-13 03:00 pmWNW 3 5------------
2026-06-13 02:50 pm NW 4 6------------
2026-06-13 02:40 pm W 2 4------------
2026-06-13 02:30 pmNNW 4 6------------
2026-06-13 02:20 pm NW 8 11------------
2026-06-13 02:10 pm NW 9 16------------
2026-06-13 02:00 pmNNW 7 10------------
2026-06-13 01:50 pm NW 8 12------------
2026-06-13 01:40 pm NW 9 16------ 76.5-----
2026-06-13 01:30 pmSSW 14 16------ 76.3-----
2026-06-13 01:20 pmWSW 13 16------ 76.3-----
2026-06-13 01:10 pm SW 13 17------ 77.4-----
2026-06-13 01:00 pm SW 11 15------ 77.0-----
2026-06-13 12:50 pmWSW 12 16------ 76.6-----
2026-06-13 12:40 pm W 17 24------ 75.9-----
2026-06-13 12:30 pmWSW 15 17------ 75.0-----
2026-06-13 12:20 pm W 16 22------ 74.5-----
2026-06-13 12:10 pmWSW 11 17------ 68.7-----
2026-06-13 12:00 pmSSE 12 14------ 67.5-----
2026-06-13 11:50 amSSE 10 12------ 64.2-----
2026-06-13 11:40 amSSE 10 11------ 63.5-----
2026-06-13 11:30 amSSE 8 11------ 63.1-----
2026-06-13 11:20 amSSE 10 12------ 62.1-----
2026-06-13 11:10 am SE 13 14------ 62.4-----
2026-06-13 11:00 am SE 7 8------ 64.0-----
2026-06-13 10:50 amSSE 7 8------ 64.6-----
2026-06-13 10:40 am S 6 6------ 64.6-----
2026-06-13 10:30 am S 6 7------ 63.3-----
2026-06-13 10:20 am S 6 7------ 62.6-----
2026-06-13 10:10 amSSW 5 5------ 62.1-----
2026-06-13 10:00 amSSW 6 6------ 61.7-----
2026-06-13 09:50 am SW 7 8------ 61.3-----