Station APNM4 - Alpena Harbor Light, Alpena, MI Image indicating link to RSS feed of recent meteorological observations for station APNM4


Conditions at APNM4 as of
(10:10 pm EDT on 07/20/2026)
0210 GMT on 07/21/2026:
     

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): S ( 180 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 14 kts
5-day plot - Wind Gust Wind Gust (GST): 17 kts
5-day plot - Air Temperature Air Temperature (ATMP): 74.3 °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
2026-07-20 10:00 pm S 12 14------ 74.1-----
2026-07-20 09:50 pmSSW 11 12------ 73.4-----
2026-07-20 09:40 pm S 10 11------ 73.2-----
2026-07-20 09:30 pm S 11 13------ 73.2-----
2026-07-20 09:20 pm S 13 14------ 73.4-----
2026-07-20 09:10 pm S 17 19------ 73.9-----
2026-07-20 09:00 pm S 20 22------ 74.1-----
2026-07-20 08:50 pm S 21 23------ 74.1-----
2026-07-20 08:40 pm S 20 22------ 74.3-----
2026-07-20 08:30 pm S 17 19------ 74.7-----
2026-07-20 08:20 pm S 14 16------ 74.5-----
2026-07-20 08:10 pm S 15 16------ 74.8-----
2026-07-20 08:00 pm S 15 16------ 75.0-----
2026-07-20 07:50 pm S 15 16------ 75.6-----
2026-07-20 07:40 pm S 13 14------ 75.9-----
2026-07-20 07:30 pm S 14 17------ 76.5-----
2026-07-20 07:20 pm S 16 17------ 76.5-----
2026-07-20 07:10 pm S 14 15------ 76.5-----
2026-07-20 07:00 pm S 17 20------ 76.5-----
2026-07-20 06:50 pm S 14 15------ 76.6-----
2026-07-20 06:40 pmSSW 13 16------ 76.6-----
2026-07-20 06:30 pmSSW 14 16------ 76.6-----
2026-07-20 06:20 pmSSW 11 13------ 76.6-----
2026-07-20 06:10 pmSSW 13 16------ 76.8-----
2026-07-20 06:00 pmSSW 12 14------ 76.1-----
2026-07-20 05:50 pmSSW 15 17------ 75.4-----
2026-07-20 05:40 pmSSW 13 16------ 75.6-----
2026-07-20 05:30 pmSSW 12 14------ 75.4-----
2026-07-20 05:20 pmSSW 15 18------ 75.0-----
2026-07-20 05:10 pm S 13 15------ 74.8-----
2026-07-20 05:00 pmSSW 13 14------ 74.8-----
2026-07-20 04:50 pmSSW 13 15------ 75.0-----
2026-07-20 04:40 pmSSW 16 18------ 75.2-----
2026-07-20 04:30 pmSSW 17 19------ 75.2-----
2026-07-20 04:20 pm S 17 19------ 75.4-----
2026-07-20 04:10 pm S 15 17------ 75.2-----
2026-07-20 04:00 pm S 16 17------ 75.9-----
2026-07-20 03:50 pm S 13 14------ 76.6-----
2026-07-20 03:40 pm S 13 14------ 77.2-----
2026-07-20 03:30 pm S 15 16------ 77.4-----
2026-07-20 03:20 pm S 11 12------ 77.7-----
2026-07-20 03:10 pm S 13 15------ 77.9-----
2026-07-20 03:00 pm S 10 10------ 78.4-----
2026-07-20 02:50 pm S 9 10------ 78.4-----
2026-07-20 02:40 pmSSW 11 12------ 77.5-----
2026-07-20 02:30 pm S 7 9------ 78.3-----
2026-07-20 02:20 pm S 5 6------ 79.0-----
2026-07-20 02:10 pm S 5 5------ 78.6-----
2026-07-20 02:00 pm S 6 7------ 78.8-----
2026-07-20 01:50 pmSSW 8 9------ 78.6-----
2026-07-20 01:40 pmWSW 7 8------ 78.3-----
2026-07-20 01:30 pm SW 9 11------ 77.9-----
2026-07-20 01:20 pmSSW 10 12------ 77.9-----
2026-07-20 01:10 pm SW 10 11------ 77.7-----
2026-07-20 01:00 pmWSW 12 14------ 77.7-----
2026-07-20 12:50 pmWSW 9 11------ 77.7-----
2026-07-20 12:40 pm SW 13 14------ 77.5-----
2026-07-20 12:30 pm SW 14 16------ 77.4-----
2026-07-20 12:20 pmSSW 15 17------ 77.4-----
2026-07-20 12:10 pm SW 11 13------ 77.9-----
2026-07-20 12:00 pmSSW 10 11------ 77.5-----
2026-07-20 11:50 am SW 7 8------ 77.5-----
2026-07-20 11:40 amSSW 9 11------ 77.2-----
2026-07-20 11:30 amWSW 11 13------ 76.8-----
2026-07-20 11:20 am SW 9 11------ 76.8-----
2026-07-20 11:10 am SW 9 11------ 76.1-----
2026-07-20 11:00 am SW 8 9------ 75.7-----
2026-07-20 10:50 amWSW 7 9------ 74.7-----
2026-07-20 10:40 am SW 9 12------ 74.5-----
2026-07-20 10:30 amWSW 8 10------ 74.3-----
2026-07-20 10:20 amWSW 9 11------ 73.4-----
2026-07-20 10:10 am SW 4 7------ 73.9-----
2026-07-20 10:00 am SW 7 8------ 73.0-----
2026-07-20 09:50 am SW 8 9------ 72.7-----
2026-07-20 09:40 am SW 6 8------ 72.5-----
2026-07-20 09:30 am SW 5 6------ 72.0-----
2026-07-20 09:20 am SW 5 6------ 70.9-----
2026-07-20 09:10 amSSW 4 5------ 69.8-----
2026-07-20 08:50 amSSW 3 5------ 68.5-----
2026-07-20 08:40 am S 5 6------ 67.8-----
2026-07-20 08:30 am SW 5 7------ 66.9-----
2026-07-20 08:20 am SW 6 7------ 66.0-----
2026-07-20 08:10 amSSW 7 8------ 66.4-----
2026-07-20 07:50 am SW 4 6------ 64.8-----
2026-07-20 07:40 amWSW 4 6------ 64.6-----
2026-07-20 07:30 amSSW 5 6------ 63.9-----
2026-07-20 07:20 amSSW 6 6------ 63.5-----
2026-07-20 07:10 amSSW 5 6------ 63.5-----
2026-07-20 07:00 am SW 3 5------ 63.3-----
2026-07-20 06:50 am SW 4 6------ 63.1-----
2026-07-20 06:40 am SW 7 8------ 63.0-----
2026-07-20 06:30 am SW 9 10------ 62.4-----
2026-07-20 06:20 am SW 7 9------ 62.2-----
2026-07-20 06:10 am SW 5 6------ 62.1-----
2026-07-20 06:00 am SW 4 6------ 61.9-----
2026-07-20 05:50 amSSW 5 6------ 61.9-----
2026-07-20 05:40 amSSW 6 6------ 61.9-----
2026-07-20 05:30 am SW 4 5------ 61.9-----
2026-07-20 05:20 am W 1 2------ 61.7-----
2026-07-20 05:10 am SW 3 4------ 61.5-----
2026-07-20 05:00 amWSW 1 2------ 61.3-----
2026-07-20 04:50 amWSW 3 5------ 61.3-----
2026-07-20 04:40 amWSW 4 5------ 61.5-----
2026-07-20 04:30 am SW 5 6------ 61.5-----
2026-07-20 04:20 am SW 4 6------ 61.5-----
2026-07-20 04:10 am SW 3 4------ 61.3-----
2026-07-20 04:00 am SW 3 6------ 61.2-----
2026-07-20 03:50 amWSW 3 4------ 61.0-----
2026-07-20 03:40 amWSW 3 4------ 60.8-----
2026-07-20 03:30 am W 2 3------ 60.8-----
2026-07-20 03:20 am W 2 3------ 61.0-----
2026-07-20 03:10 am W 3 4------ 61.0-----
2026-07-20 02:50 amWSW 3 4------ 61.3-----
2026-07-20 02:40 am SW 5 6------ 61.2-----
2026-07-20 02:30 amWSW 3 5------ 60.8-----
2026-07-20 02:20 amWSW 4 6------ 60.8-----
2026-07-20 02:10 am W 3 4------ 61.0-----
2026-07-20 02:00 am W 4 5------ 61.3-----
2026-07-20 01:50 amWSW 5 6------ 61.7-----
2026-07-20 01:40 amWSW 5 6------ 61.9-----
2026-07-20 01:30 am SW 5 6------ 61.9-----
2026-07-20 01:20 amWSW 6 8------ 61.9-----
2026-07-20 01:10 am SW 5 7------ 62.1-----
2026-07-20 01:00 am SW 6 7------ 62.1-----
2026-07-20 12:50 amWSW 4 6------ 62.2-----
2026-07-20 12:40 am SW 4 5------ 62.1-----
2026-07-20 12:30 amWSW 4 6------ 62.2-----
2026-07-20 12:20 amWSW 5 6------ 62.4-----
2026-07-20 12:10 amWSW 5 6------ 62.6-----
2026-07-20 12:00 am SW 7 8------ 62.8-----
2026-07-19 11:50 pm SW 8 9------ 63.1-----
2026-07-19 11:40 pmSSW 7 8------ 63.7-----
2026-07-19 11:30 pm SW 7 8------ 64.0-----
2026-07-19 11:20 pmSSW 9 10------ 64.2-----
2026-07-19 11:10 pmSSW 9 10------ 64.6-----
2026-07-19 11:00 pmSSW 9 10------ 64.9-----
2026-07-19 10:50 pmSSW 9 10------ 65.3-----
2026-07-19 10:40 pm S 8 9------ 65.5-----
2026-07-19 10:30 pmSSW 8 9------ 65.5-----
2026-07-19 10:20 pmSSW 9 10------ 65.7-----
2026-07-19 10:10 pm S 7 8------ 65.8-----
2026-07-19 10:00 pm S 7 8------ 66.0-----
2026-07-19 09:50 pm S 9 10------ 66.2-----