Station List

Station OTNM4 - Ontonagon, MI Image indicating link to RSS feed of recent meteorological observations for station OTNM4

Owned and maintained by National Weather Service Central Region
GLOS Weather Station
46.870 N 89.330 W (46°52'12" N 89°19'48" W)

Site elevation: 186 m above mean sea level
Air temp height: 2.1 m above site elevation
Anemometer height: 10 m above site elevation
Barometer elevation: 186.5 m above mean sea level

For Great Lakes marine forecasts, select: GREAT LAKES FORECASTS

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station OTNM4

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Station OTNM4

Conditions at OTNM4 as of
(12:50 pm CST)
1850 GMT on 01/04/2026:
     

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): 7.0 kts
5-day plot - Wind Gust Wind Gust (GST): 8.9 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.00 in
5-day plot - Air Temperature Air Temperature (ATMP): 21.2 °F
5-day plot - Wind Chill Wind Chill (CHILL): 11.7 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 7.8 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 7.8 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Previous observations
TIME
(CST)		 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
2026-01-04 12:40 pm S 7.0 9.9----30.00- 21.2-----
2026-01-04 12:30 pm S 4.1 8.9----30.01- 21.0-----
2026-01-04 12:20 pm S 5.1 8.0----30.02- 21.0-----
2026-01-04 12:10 pm S 5.1 9.9----30.01- 20.8-----
2026-01-04 12:00 pm S 6.0 11.1----30.02- 20.7-----
2026-01-04 11:50 am S 8.9 12.0----30.02- 20.1-----
2026-01-04 11:40 am S 8.0 11.1----30.03- 20.3-----
2026-01-04 11:30 am SW 6.0 8.0----30.05- 20.7-----
2026-01-04 11:20 amSSW 6.0 9.9----30.06- 20.7-----
2026-01-04 11:10 amSSW 5.1 8.9------ 20.7-----
2026-01-04 11:00 amSSW 6.0 8.9------ 20.8-----
2026-01-04 10:50 am SW 4.1 8.9------ 21.0-----
2026-01-04 10:40 amSSW 4.1 8.0----30.08- 20.8-----
2026-01-04 10:30 amWSW 7.0 8.9----30.08- 20.7-----
2026-01-04 10:20 am SW 5.1 8.9----30.08- 20.7-----
2026-01-04 10:10 am SW 4.1 7.0----30.08- 21.0-----
2026-01-04 10:00 amSSW 4.1 7.0------ 20.5-----
2026-01-04 09:50 amSSW 2.9 7.0----30.08- 20.1-----
2026-01-04 09:40 am SW 4.1 7.0----30.08- 19.9-----
2026-01-04 09:30 amWSW 4.1 8.0----30.08- 19.6-----
2026-01-04 09:20 am SW 6.0 8.0----30.08- 19.2-----
2026-01-04 09:10 am SW 4.1 6.0----30.08- 19.2-----
2026-01-04 09:00 amSSW 2.9 6.0------ 19.0-----
2026-01-04 08:50 amSSW 4.1 6.0----30.08- 18.9-----
2026-01-04 08:40 am SW 2.9 6.0----30.08- 18.9-----
2026-01-04 08:30 amWSW 4.1 7.0----30.09- 18.7-----
2026-01-04 08:20 amWSW 5.1 7.0----30.09- 18.7-----
2026-01-04 08:10 amWSW 4.1 7.0----30.09- 18.5-----
2026-01-04 08:00 am SW 1.9 5.1----30.09- 18.5-----
2026-01-04 07:50 am SW 2.9 5.1----30.08- 18.5-----
2026-01-04 07:40 am SW 1.9 7.0------ 18.5-----
2026-01-04 07:30 am SW 5.1 7.0------ 18.7-----
2026-01-04 07:20 am SW 5.1 7.0------ 18.7-----
2026-01-04 07:10 amWSW 4.1 7.0------ 18.7-----
2026-01-04 07:00 am SW 2.9 7.0------ 18.9-----
2026-01-04 06:50 amWSW 4.1 6.0----30.08- 19.0-----
2026-01-04 06:40 amWSW 4.1 6.0----30.08- 19.0-----
2026-01-04 06:30 am SW 2.9 6.0----30.08- 19.2-----
2026-01-04 06:20 am SW 1.9 5.1----30.09- 19.2-----
2026-01-04 06:10 amWSW 4.1 6.0----30.09- 19.4-----
2026-01-04 06:00 am SW 1.0 6.0----30.09+0.01 19.4-----
2026-01-04 05:50 amWSW 2.9 5.1----30.09- 19.6-----
2026-01-04 05:40 amWNW 1.9 5.1----30.08- 21.0-----
2026-01-04 05:30 amNNW 4.1 8.0------ 21.2-----
2026-01-04 05:20 am NW 4.1 5.1------ 20.8-----
2026-01-04 05:10 am N 4.1 5.1----30.06- 20.8-----
2026-01-04 05:00 amNNW 1.9 5.1------ 20.8-----
2026-01-04 04:50 amNNW 2.9 6.0------ 20.8-----
2026-01-04 04:40 amNNW 5.1 6.0----30.08- 20.8-----
2026-01-04 04:30 amNNW 4.1 7.0----30.08- 20.8-----
2026-01-04 04:20 am N 1.9 7.0------ 21.0-----
2026-01-04 04:10 am NW 5.1 8.0----30.08- 21.0-----
2026-01-04 04:00 amWNW 2.9 5.1------ 20.8-----
2026-01-04 03:50 amNNW 2.9 5.1------ 20.7-----
2026-01-04 03:40 amNNW 4.1 7.0------ 20.8-----
2026-01-04 03:30 am N 6.0 8.9------ 21.0-----
2026-01-04 03:20 amNNW 5.1 8.0----30.08- 20.8-----
2026-01-04 03:10 amNNW 6.0 8.9----30.08- 20.8-----
2026-01-04 03:00 am NW 4.1 6.0----30.08+0.05 20.7-----
2026-01-04 02:50 am N 4.1 8.0----30.08- 20.1-----
2026-01-04 02:40 am N 5.1------- 20.8-----
2026-01-04 02:30 am N 2.9 9.9------ 20.8-----
2026-01-04 02:20 amNNW 5.1------- 20.1-----
2026-01-04 02:10 amNNW 7.0 9.9------ 20.7-----
2026-01-04 02:00 am N 6.0 8.9------ 20.1-----
2026-01-04 01:50 am N 7.0 8.9----30.06- 20.1-----
2026-01-04 01:40 am N 7.0 9.9----30.06- 20.1-----
2026-01-04 01:30 am N 6.0 11.1----30.06- 20.7-----
2026-01-04 01:20 am N 5.1 9.9----30.06- 20.7-----
2026-01-04 01:10 am N 6.0 9.9----30.05- 20.5-----
2026-01-04 01:00 am N 6.0 8.9----30.05+0.02 20.1-----
2026-01-04 12:50 am N 6.0 8.0----30.05- 20.7-----
2026-01-04 12:40 am N 6.0 9.9----30.04- 20.5-----
2026-01-04 12:30 am N 6.0 9.9----30.04- 20.5-----
2026-01-04 12:20 amNNW 6.0 9.9----30.04- 20.5-----
2026-01-04 12:10 amNNW 6.0 9.9----30.04- 20.5-----
2026-01-04 12:00 amNNW 7.0 9.9----30.03+0.02 20.7-----
2026-01-03 11:50 pm N 8.0 11.1----30.04- 20.3-----
2026-01-03 11:40 pm N 8.9 13.0----30.04- 20.1-----
2026-01-03 11:30 pm N 7.0 14.0----30.04- 20.8-----
2026-01-03 11:20 pm N 8.0 14.0----30.04-------
2026-01-03 11:10 pm N 11.1 14.0----30.03- 20.8-----
2026-01-03 11:00 pm N 9.9 15.0----30.04+0.03 21.2-----
2026-01-03 10:50 pm N 8.0 14.0----30.03- 20.7-----
2026-01-03 10:40 pm N 8.0 15.0----30.03- 20.5-----
2026-01-03 10:30 pm N 8.0 14.0----30.03- 21.2-----
2026-01-03 10:20 pm N 9.9 15.9----30.03- 21.4-----
2026-01-03 10:10 pm N 12.0 17.1----30.03- 20.8-----
2026-01-03 10:00 pmNNW 9.9 15.9----30.03+0.03 21.6-----
2026-01-03 09:50 pm N 11.1 17.1----30.02- 21.7-----
2026-01-03 09:40 pmNNW 11.1 19.0----30.02- 22.1-----
2026-01-03 09:30 pm N 13.0 17.1----30.02- 22.3-----
2026-01-03 09:20 pm N 12.0 19.0----30.02- 22.6-----
2026-01-03 09:10 pm N 11.1 17.1----30.01- 22.5-----
2026-01-03 09:00 pmNNW 11.1 18.1----30.01+0.03 22.6-----
2026-01-03 08:50 pmNNW 9.9 15.9----30.01- 22.8-----
2026-01-03 08:40 pm N 9.9 17.1----30.01- 22.8-----
2026-01-03 08:30 pmNNW 13.0 17.1----30.01- 22.8-----
2026-01-03 08:20 pmNNW 11.1 19.0----30.01- 23.0-----
2026-01-03 08:10 pmNNW 12.0 19.0----30.01- 23.0-----
2026-01-03 08:00 pm N 8.9 17.1----30.01+0.03 23.2-----
2026-01-03 07:50 pm N 11.1 18.1----30.01- 23.4-----
2026-01-03 07:40 pmNNW 9.9 17.1----30.01- 23.5-----
2026-01-03 07:30 pmNNW 14.0 21.0----30.00- 23.4-----
2026-01-03 07:20 pmNNW 13.0 18.1----29.99- 23.5-----
2026-01-03 07:10 pm N 9.9 18.1----30.00- 23.0-----
2026-01-03 07:00 pmNNW 11.1 18.1----30.00+0.02 23.7-----
2026-01-03 06:50 pmNNW 11.1 20.0----29.99- 23.9-----
2026-01-03 06:40 pmNNW 9.9 19.0----29.99- 23.7-----
2026-01-03 06:30 pmNNW 12.0-----29.99- 23.7-----
2026-01-03 06:20 pmNNW 13.0 20.0----29.99- 23.5-----
2026-01-03 06:10 pmNNW 13.0 17.1----29.99- 23.7-----
2026-01-03 06:00 pmNNW 9.9 15.9----29.98+0.02 23.5-----
2026-01-03 05:50 pmNNW 11.1 15.0----29.98- 23.5-----
2026-01-03 05:40 pm W 4.1 8.9----29.98- 20.1-----
2026-01-03 05:30 pmWNW 4.1 7.0----29.98- 19.8-----
2026-01-03 05:20 pmWSW 2.9 7.0----29.98- 19.2-----
2026-01-03 05:10 pmWSW 4.1 9.9----29.98- 19.4-----
2026-01-03 05:00 pmWSW 5.1 8.9----29.98+0.03 19.6-----
2026-01-03 04:50 pm W 4.1 7.0----29.98- 19.8-----
2026-01-03 04:40 pm W 2.9 6.0----29.97- 20.1-----
2026-01-03 04:30 pm W 2.9 8.0----29.98- 20.1-----
2026-01-03 04:20 pmWSW 4.1 8.9----29.97- 20.5-----
2026-01-03 04:10 pmWNW 5.1 13.0----29.97- 20.7-----
2026-01-03 04:00 pmWNW 7.0 9.9----29.98+0.02 20.5-----
2026-01-03 03:50 pm W 7.0 12.0----29.97- 20.5-----
2026-01-03 03:40 pm W 6.0 11.1----29.97-------
2026-01-03 03:30 pmWNW 6.0 13.0----29.97- 20.5-----
2026-01-03 03:20 pm W 5.1 14.0----29.97- 20.5-----
2026-01-03 03:10 pm W 8.0 11.1----29.96- 20.5-----
2026-01-03 03:00 pm W 4.1 6.0----29.96-0.02 20.3-----
2026-01-03 02:50 pmWSW 2.9 8.0----29.96- 20.1-----
2026-01-03 02:40 pmWSW 2.9 7.0----29.96- 20.1-----
2026-01-03 02:30 pm W 6.0 15.0----29.96- 20.5-----
2026-01-03 02:20 pmWNW 8.9 15.0----29.95- 22.5-----
2026-01-03 02:10 pm NW 9.9 15.9----29.95- 22.5-----
2026-01-03 02:00 pm NW 9.9 13.0----29.95-0.04 22.3-----
2026-01-03 01:50 pm NW 11.1 14.0----29.96- 22.1-----
2026-01-03 01:40 pm NW 9.9 13.0----29.96- 22.1-----
2026-01-03 01:30 pm NW 9.9 17.1----29.96- 22.1-----
2026-01-03 01:20 pm NW 11.1 15.0----29.96- 22.1-----
2026-01-03 01:10 pmNNW 9.9 15.9----29.96- 21.9-----
2026-01-03 01:00 pmNNW 9.9 15.0----29.96-0.04 22.1-----
2026-01-03 12:50 pmNNW 11.1 15.9----29.96- 22.1-----