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
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Station APNM4

Conditions at APNM4 as of
(6:20 am EDT)
1020 GMT on 06/18/2026:
     

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): N ( 10 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 4 kts
5-day plot - Wind Gust Wind Gust (GST): 5 kts
5-day plot - Air Temperature Air Temperature (ATMP): 50.7 °F
5-day plot - Wind Chill Wind Chill (CHILL): 49.3 °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
2026-06-18 06:10 amNNE 4 6------ 50.9-----
2026-06-18 06:00 amNNE 4 6------ 50.9-----
2026-06-18 05:50 am NE 2 5------ 51.4-----
2026-06-18 05:40 amENE 6 7------ 51.3-----
2026-06-18 05:30 am NE 3 5------ 51.8-----
2026-06-18 05:20 amENE 7 9------ 51.8-----
2026-06-18 05:10 amENE 8 10------ 52.0-----
2026-06-18 05:00 am E 9 11------ 52.0-----
2026-06-18 04:50 am E 10 11------ 51.8-----
2026-06-18 04:40 am E 12 14------ 52.2-----
2026-06-18 04:30 am E 12 14------ 52.2-----
2026-06-18 04:20 am E 12 14------ 52.0-----
2026-06-18 04:10 am E 11 13------ 51.8-----
2026-06-18 04:00 am E 11 12------ 51.8-----
2026-06-18 03:50 am E 9 11------ 51.4-----
2026-06-18 03:40 amENE 10 12------ 51.3-----
2026-06-18 03:30 amENE 8 11------ 51.3-----
2026-06-18 03:20 amENE 10 14------ 51.1-----
2026-06-18 03:10 amENE 8 12------ 51.4-----
2026-06-18 03:00 am E 12 14------ 52.0-----
2026-06-18 02:50 amENE 8 11------ 52.3-----
2026-06-18 02:40 amENE 7 10------ 52.5-----
2026-06-18 02:30 amENE 10 13------ 52.7-----
2026-06-18 02:20 am E 12 13------ 53.4-----
2026-06-18 02:10 am E 12 15------ 54.5-----
2026-06-18 02:00 am E 12 14------ 54.9-----
2026-06-18 01:50 am E 15 17------ 54.1-----
2026-06-18 01:40 amESE 15 16------ 54.1-----
2026-06-18 01:30 amESE 14 15------ 54.5-----
2026-06-18 01:20 amESE 14 16------ 54.5-----
2026-06-18 01:10 amESE 14 17------ 54.5-----
2026-06-18 01:00 amESE 15 17------ 54.1-----
2026-06-18 12:50 amESE 14 16------ 54.3-----
2026-06-18 12:40 amESE 15 19------ 54.5-----
2026-06-18 12:30 amESE 13 15------ 54.3-----
2026-06-18 12:20 amESE 15 16------ 53.8-----
2026-06-18 12:10 amESE 15 17------ 54.0-----
2026-06-18 12:00 amESE 15 17------ 54.1-----
2026-06-17 11:50 pm SE 15 18------ 54.3-----
2026-06-17 11:40 pm SE 14 17------ 54.5-----
2026-06-17 11:30 pm SE 15 17------ 54.5-----
2026-06-17 11:20 pm SE 14 16------ 54.5-----
2026-06-17 11:10 pm SE 14 16------ 54.3-----
2026-06-17 11:00 pmSSE 15 17------ 54.3-----
2026-06-17 10:50 pmSSE 13 14------ 54.3-----
2026-06-17 10:40 pmSSE 12 14------ 54.3-----
2026-06-17 10:30 pmSSE 12 14------ 54.7-----
2026-06-17 10:20 pmSSE 13 14------ 54.7-----
2026-06-17 10:10 pmSSE 13 14------ 55.0-----
2026-06-17 10:00 pm SE 15 17------ 55.2-----
2026-06-17 09:50 pm SE 15 17------ 55.2-----
2026-06-17 09:40 pm SE 12 13------ 55.9-----
2026-06-17 09:30 pm S 10 12------ 55.8-----
2026-06-17 09:20 pm S 13 14------ 56.1-----
2026-06-17 09:10 pm S 16 17------ 56.3-----
2026-06-17 09:00 pm S 18 21------ 57.0-----
2026-06-17 08:50 pm S 14 16------ 57.6-----
2026-06-17 08:40 pm S 16 18------ 57.7-----
2026-06-17 08:30 pm S 16 18------ 57.9-----
2026-06-17 08:20 pm S 16 20------ 58.6-----
2026-06-17 08:10 pm S 13 15------ 59.4-----
2026-06-17 08:00 pm S 6 7------ 59.5-----
2026-06-17 07:50 pmSSW 6 7------ 59.9-----
2026-06-17 07:40 pmSSW 8 9------ 60.3-----
2026-06-17 07:30 pmSSW 10 13------ 60.1-----
2026-06-17 07:20 pmSSW 15 17------ 60.8-----
2026-06-17 07:10 pmSSW 12 14------ 61.7-----
2026-06-17 07:00 pm S 9 9------ 62.2-----
2026-06-17 06:50 pm S 9 10------ 63.0-----
2026-06-17 06:40 pm S 11 13------ 63.7-----
2026-06-17 06:30 pm S 17 20------ 64.0-----
2026-06-17 06:20 pm S 11 18------ 62.8-----
2026-06-17 06:10 pm S 7 10------ 65.3-----
2026-06-17 06:00 pm S 11 14------ 65.3-----
2026-06-17 05:40 pmSSW 14 15------ 65.7-----
2026-06-17 05:30 pm S 10 12------ 65.7-----
2026-06-17 05:20 pmSSW 12 14------ 65.8-----
2026-06-17 05:10 pmSSW 18 20------ 65.8-----
2026-06-17 04:50 pmSSW 16 17------ 65.5-----
2026-06-17 04:40 pmSSW 14 17------ 63.3-----
2026-06-17 04:30 pmSSE 12 13------ 61.2-----
2026-06-17 04:20 pmSSE 17 18------ 60.1-----
2026-06-17 04:10 pm SE 15 17------ 58.8-----
2026-06-17 04:00 pm SE 16 18------ 58.1-----
2026-06-17 03:50 pm SE 17 19------ 57.9-----
2026-06-17 03:40 pm SE 18 19------ 57.9-----
2026-06-17 03:30 pm SE 17 19------ 57.7-----
2026-06-17 03:20 pm SE 16 18------ 57.9-----
2026-06-17 03:10 pm SE 14 16------ 57.9-----
2026-06-17 03:00 pmESE 14 17------ 58.3-----
2026-06-17 02:50 pmESE 18 20------ 58.3-----
2026-06-17 02:40 pmESE 16 18------ 57.9-----
2026-06-17 02:30 pmESE 17 20------ 57.4-----
2026-06-17 02:20 pmESE 16 18------ 56.8-----
2026-06-17 02:10 pm SE 15 17------ 56.7-----
2026-06-17 02:00 pm SE 15 17------ 56.5-----
2026-06-17 01:50 pm SE 16 17------ 56.3-----
2026-06-17 01:40 pm SE 14 15------ 57.2-----
2026-06-17 01:30 pm SE 14 15------ 57.4-----
2026-06-17 01:20 pm SE 11 12------ 57.7-----
2026-06-17 01:10 pm SE 11 13------ 57.4-----
2026-06-17 01:00 pm SE 12 13------ 57.0-----
2026-06-17 12:50 pm SE 12 14------ 56.7-----
2026-06-17 12:40 pm SE 13 14------ 57.0-----
2026-06-17 12:30 pm SE 11 12------ 58.1-----
2026-06-17 12:20 pm SE 9 9------ 57.9-----
2026-06-17 12:10 pmESE 8 9------ 57.9-----
2026-06-17 12:00 pm SE 9 9------ 58.1-----
2026-06-17 11:50 amESE 8 8------ 58.8-----
2026-06-17 11:40 am SE 7 8------ 58.6-----
2026-06-17 11:30 am SE 7 8------ 58.3-----
2026-06-17 11:20 am SE 7 8------ 58.3-----
2026-06-17 11:10 amESE 7 8------ 57.6-----
2026-06-17 11:00 amESE 7 7------ 57.6-----
2026-06-17 10:50 amESE 7 7------ 57.6-----
2026-06-17 10:40 am SE 7 7------ 57.9-----
2026-06-17 10:30 am SE 7 7------ 58.1-----
2026-06-17 10:20 amSSE 7 8------ 58.3-----
2026-06-17 10:10 amSSE 8 8------ 58.6-----
2026-06-17 10:00 am S 9 10------ 58.5-----
2026-06-17 09:50 am S 8 9------ 58.6-----
2026-06-17 09:40 amSSE 6 6------ 57.6-----
2026-06-17 09:30 amESE 5 6------ 56.3-----
2026-06-17 09:20 amESE 7 7------ 56.7-----
2026-06-17 09:10 am SE 4 5------ 58.6-----
2026-06-17 09:00 am NW 2 3------ 59.5-----
2026-06-17 08:50 am W 4 6------ 59.4-----
2026-06-17 08:40 amNNW 4 4------ 59.7-----
2026-06-17 08:30 amWSW 1 2------ 61.2-----
2026-06-17 08:20 amWSW 3 4------ 61.2-----
2026-06-17 08:10 am SW 2 3------ 61.0-----
2026-06-17 08:00 amWSW 2 4------ 59.2-----
2026-06-17 07:50 am SW 3 4------ 57.7-----
2026-06-17 07:40 amWSW 4 6------ 55.6-----
2026-06-17 07:30 amWSW 5 6------ 55.9-----
2026-06-17 07:20 am SW 5 7------ 56.5-----
2026-06-17 07:10 amSSW 4 5------ 57.6-----
2026-06-17 07:00 amSSW 3 4------ 59.0-----
2026-06-17 06:50 am SW 3 4------ 58.8-----
2026-06-17 06:40 am SW 3 4------ 57.2-----
2026-06-17 06:30 amWSW 3 4------ 55.6-----
2026-06-17 06:20 am SW 4 5------ 55.6-----
2026-06-17 06:10 amWSW 3 4------ 55.4-----
2026-06-17 06:00 am W 3 3------ 55.6-----
2026-06-17 05:50 am SW 4 4------ 55.6-----