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
(3:20 pm EDT)
1920 GMT on 04/14/2026:
     

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): SE ( 130 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): 45.3 °F
5-day plot - Wind Chill Wind Chill (CHILL): 40.6 °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
2026-04-14 03:10 pm SE 9 10------ 45.1-----
2026-04-14 03:00 pm SE 10 11------ 45.7-----
2026-04-14 02:50 pm SE 10 10------ 46.0-----
2026-04-14 02:40 pmESE 8 9------ 46.0-----
2026-04-14 02:30 pmESE 10 10------ 45.9-----
2026-04-14 02:20 pm SE 11 11------ 46.9-----
2026-04-14 02:10 pmESE 7 8------ 48.6-----
2026-04-14 02:00 pm E 4 6------ 49.8-----
2026-04-14 01:50 pmENE 2 4------ 50.0-----
2026-04-14 01:40 pm N 3 6------ 49.5-----
2026-04-14 01:30 pm N 4 6------ 48.7-----
2026-04-14 01:20 pmNNE 4 6------ 48.7-----
2026-04-14 01:10 pm N 4 6------ 48.4-----
2026-04-14 01:00 pmNNE 6 8------ 48.4-----
2026-04-14 12:50 pm N 4 6------ 48.0-----
2026-04-14 12:40 pm N 4 5------ 47.8-----
2026-04-14 12:30 pmWNW 3 5------ 47.1-----
2026-04-14 12:20 pm NW 3 5------ 46.8-----
2026-04-14 12:10 pm NW 5 7------ 46.4-----
2026-04-14 12:00 pm N 4 6------ 46.6-----
2026-04-14 11:50 am N 7 11------ 46.2-----
2026-04-14 11:40 amNNW 7 11------ 45.9-----
2026-04-14 11:30 am NW 6 8------ 45.5-----
2026-04-14 11:20 am NW 7 10------ 44.8-----
2026-04-14 11:10 amNNW 6 10------ 44.4-----
2026-04-14 11:00 amNNW 9 13------ 43.9-----
2026-04-14 10:50 am NW 7 9------ 43.9-----
2026-04-14 10:40 amNNW 9 11------ 43.3-----
2026-04-14 10:30 am NW 9 12------ 43.2-----
2026-04-14 10:20 amNNW 8 10------ 43.0-----
2026-04-14 10:10 amNNW 8 13------ 43.2-----
2026-04-14 10:00 amNNW 6 10------ 43.0-----
2026-04-14 09:50 amNNW 8 11------ 43.0-----
2026-04-14 09:40 am N 6 8------ 43.2-----
2026-04-14 09:30 am N 7 9------ 43.0-----
2026-04-14 09:20 am N 6 8------ 42.6-----
2026-04-14 09:10 amNNW 5 7------ 42.3-----
2026-04-14 09:00 amNNW 7 9------ 41.9-----
2026-04-14 08:50 am NW 10 13------ 41.5-----
2026-04-14 08:40 am NW 9 13------ 41.5-----
2026-04-14 08:30 am NW 7 8------ 41.2-----
2026-04-14 08:20 am N 4 5------ 40.8-----
2026-04-14 08:10 amNNE 7 9------ 40.6-----
2026-04-14 08:00 amNNE 8 12------ 40.1-----
2026-04-14 07:50 am N 8 11------ 39.9-----
2026-04-14 07:40 amNNE 11 15------ 39.7-----
2026-04-14 07:30 am N 7 11------ 39.9-----
2026-04-14 07:20 amNNE 6 7------ 39.9-----
2026-04-14 07:10 am N 5 9------ 39.9-----
2026-04-14 07:00 am N 7 9------ 39.7-----
2026-04-14 06:50 am N 6 8------ 39.7-----
2026-04-14 06:40 am N 6 8------ 39.9-----
2026-04-14 06:30 am N 8 12------ 40.1-----
2026-04-14 06:20 am N 7 11------ 40.8-----
2026-04-14 06:10 am N 6 9------ 41.0-----
2026-04-14 06:00 am N 6 9------ 41.0-----
2026-04-14 05:50 am N 4 6------ 40.8-----
2026-04-14 05:40 amNNE 3 5------ 40.6-----
2026-04-14 05:30 amNNE 4 6------ 40.5-----
2026-04-14 05:20 am NE 5 10------ 40.5-----
2026-04-14 05:10 am E 12 15------ 40.1-----
2026-04-14 05:00 am E 15 17------ 40.1-----
2026-04-14 04:50 am E 19 22------ 41.4-----
2026-04-14 04:40 am E 15 17------ 42.1-----
2026-04-14 04:30 amENE 10 11------ 41.5-----
2026-04-14 04:20 amENE 6 8------ 41.9-----
2026-04-14 04:10 amENE 8 9------ 41.4-----
2026-04-14 04:00 amNNW 4 6------ 41.5-----
2026-04-14 03:50 am NE 5 7------ 41.7-----
2026-04-14 03:40 amNNE 9 11------ 41.9-----
2026-04-14 03:30 amNNE 6 7------ 42.4-----
2026-04-14 03:20 am N 7 10------ 42.4-----
2026-04-14 03:10 am N 6 8------ 42.4-----
2026-04-14 03:00 amNNE 6 9------ 42.3-----
2026-04-14 02:50 am N 9 12------ 42.8-----
2026-04-14 02:40 amWNW 5 6------ 43.0-----
2026-04-14 02:30 amENE 7 9------ 43.0-----
2026-04-14 02:20 amENE 5 7------ 43.0-----
2026-04-14 02:10 am NE 6 7------ 42.3-----
2026-04-14 02:00 am NE 3 4------ 42.1-----
2026-04-14 01:50 am NE 3 5------ 41.2-----
2026-04-14 01:40 am E 5 7------ 41.0-----
2026-04-14 01:30 am NE 5 7------ 40.5-----
2026-04-14 01:20 amWSW 1 3------ 39.9-----
2026-04-14 01:10 am SE 8 10------ 39.9-----
2026-04-14 01:00 am SE 6 8------ 40.5-----
2026-04-14 12:50 am SE 5 6------ 40.5-----
2026-04-14 12:40 amESE 6 6------ 40.5-----
2026-04-14 12:30 am E 3 4------ 40.3-----
2026-04-14 12:20 am E 3 4------ 40.5-----
2026-04-14 12:10 am SE 3 4------ 40.5-----
2026-04-14 12:00 amESE 3 4------ 40.3-----
2026-04-13 11:50 pmSSE 3 3------ 40.5-----
2026-04-13 11:40 pmESE 3 4------ 40.3-----
2026-04-13 11:30 pmESE 5 6------ 40.1-----
2026-04-13 11:20 pmSSE 6 6------ 39.7-----
2026-04-13 11:10 pmSSE 8 8------ 39.7-----
2026-04-13 11:00 pmSSE 9 10------ 40.3-----
2026-04-13 10:50 pm SE 8 9------ 41.4-----
2026-04-13 10:40 pmESE 5 5------ 44.1-----
2026-04-13 10:30 pm E 5 6------ 44.6-----
2026-04-13 10:20 pm E 6 6------ 44.8-----
2026-04-13 10:10 pm E 6 6------ 45.0-----
2026-04-13 10:00 pmENE 5 5------ 45.0-----
2026-04-13 09:50 pm E 4 5------ 45.1-----
2026-04-13 09:40 pm E 1 1------ 45.1-----
2026-04-13 09:30 pm NW 2 2------ 45.0-----
2026-04-13 09:20 pm- 0 0------ 45.5-----
2026-04-13 09:10 pmESE 2 3------ 45.9-----
2026-04-13 09:00 pm NE 3 3------ 46.9-----
2026-04-13 08:50 pm NE 3 4------ 47.1-----
2026-04-13 08:30 pmNNW 3 4------ 48.7-----
2026-04-13 08:20 pm N 3 4------ 48.9-----
2026-04-13 08:10 pm N 4 7------ 48.9-----
2026-04-13 08:00 pm N 8 11------ 49.1-----
2026-04-13 07:50 pm N 10 12------ 49.8-----
2026-04-13 07:40 pm N 6 10------ 50.4-----
2026-04-13 07:30 pm N 7 9------ 51.1-----
2026-04-13 07:20 pm N 9 12------ 52.0-----
2026-04-13 07:10 pm N 7 9------ 52.3-----
2026-04-13 07:00 pm N 7 9------ 53.2-----
2026-04-13 06:50 pm N 9 11------ 53.4-----
2026-04-13 06:30 pm N 9 11------ 54.5-----
2026-04-13 06:20 pm N 9 11------ 54.5-----
2026-04-13 06:10 pm N 10 13------ 54.0-----
2026-04-13 06:00 pm N 9 13------ 54.1-----
2026-04-13 05:50 pm N 10 15------ 54.1-----
2026-04-13 05:40 pm N 8 12------ 55.0-----
2026-04-13 05:30 pm N 9 11------ 54.9-----
2026-04-13 05:20 pm N 10 10------ 54.7-----
2026-04-13 05:10 pm N 8 11------ 55.6-----
2026-04-13 05:00 pm N 10 12------ 56.8-----
2026-04-13 04:50 pm N 8 10------ 59.0-----
2026-04-13 04:40 pm N 7 9------ 59.7-----
2026-04-13 04:30 pm N 8 10------ 59.7-----
2026-04-13 04:20 pm N 7 8------ 60.3-----
2026-04-13 04:10 pm N 8 10------ 60.1-----
2026-04-13 04:00 pmWNW 10 13------ 62.6-----
2026-04-13 03:40 pmWNW 12 16------ 62.8-----
2026-04-13 03:30 pmWNW 15 19------ 62.2-----
2026-04-13 03:20 pmWNW 12 16------ 61.9-----
2026-04-13 03:10 pmWNW 10 14------ 61.7-----
2026-04-13 03:00 pmWNW 12 15------ 61.9-----
2026-04-13 02:50 pm NW 11 16------ 61.3-----