Station GSLM4 - Gravelly Shoal Light, MI Image indicating link to RSS feed of recent meteorological observations for station GSLM4


Conditions at GSLM4 as of
(9:40 pm EDT on 09/13/2026)
0140 GMT on 09/14/2026:
     

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): W ( 280 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 13.0 kts
5-day plot - Wind Gust Wind Gust (GST): 14.0 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.09 in
5-day plot - Air Temperature Air Temperature (ATMP): 61.2 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 11.7 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 13.6 kts
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
2026-09-13 09:30 pm W 14.0 15.9----30.08- 61.7-----
2026-09-13 09:20 pm W 13.0 18.1----30.08- 61.7-----
2026-09-13 09:10 pm W 15.0 18.1----30.07- 61.5-----
2026-09-13 09:00 pm W 14.0 17.1----30.06+0.08 61.5-----
2026-09-13 08:50 pm W 14.0 17.1----30.06- 61.7-----
2026-09-13 08:40 pm W 15.0 19.0----30.06- 61.9-----
2026-09-13 08:30 pm W 15.9 19.0----30.05- 62.2-----
2026-09-13 08:20 pm W 14.0 19.0----30.04- 62.6-----
2026-09-13 08:10 pm W 13.0 17.1----30.04- 63.0-----
2026-09-13 08:00 pm W 14.0 18.1----30.03+0.06 63.1-----
2026-09-13 07:50 pm W 18.1 22.9----30.03- 63.3-----
2026-09-13 07:40 pm W 19.0 22.9----30.02- 63.5-----
2026-09-13 07:30 pm W 20.0 24.1----30.02- 63.9-----
2026-09-13 07:20 pmWNW 19.0 24.1----30.01- 64.0-----
2026-09-13 07:10 pmWNW 17.1 24.1----30.01- 64.2-----
2026-09-13 07:00 pm W 20.0 24.1----30.01+0.05 64.4-----
2026-09-13 06:50 pm W 22.0 27.0----30.00- 64.6-----
2026-09-13 06:40 pm W 24.1 27.0----30.00- 64.6-----
2026-09-13 06:30 pm W 22.9 28.0----30.00- 64.9-----
2026-09-13 06:20 pm W 24.1 28.9----29.99- 64.9-----
2026-09-13 06:10 pmWNW 25.1 28.9----29.98- 65.3-----
2026-09-13 06:00 pm W 22.9 28.9----29.98+0.02 65.7-----
2026-09-13 05:50 pm W 24.1 27.0----29.98- 65.7-----
2026-09-13 05:40 pm W 22.9 28.0----29.98- 66.0-----
2026-09-13 05:30 pm W 24.1 28.0----29.97- 66.2-----
2026-09-13 05:20 pm W 22.0 27.0----29.97- 65.8-----
2026-09-13 05:10 pm W 22.0 28.0----29.97- 65.7-----
2026-09-13 05:00 pmWSW 27.0 29.9----29.97+0.01 65.8-----
2026-09-13 04:50 pm W 24.1 28.0----29.97- 65.7-----
2026-09-13 04:40 pmWSW 21.0 26.0----29.97- 65.7-----
2026-09-13 04:30 pm W 21.0 25.1----29.98- 65.8-----
2026-09-13 04:20 pm W 22.0 25.1----29.97- 66.0-----
2026-09-13 04:10 pm W 22.0 24.1----29.97- 66.2-----
2026-09-13 04:00 pm W 19.0 21.0----29.96+0.00 66.4-----
2026-09-13 03:50 pm W 19.0 22.0----29.97- 66.7-----
2026-09-13 03:40 pm W 20.0 22.9----29.97- 66.7-----
2026-09-13 03:30 pm W 19.0 21.0----29.95- 67.1-----
2026-09-13 03:20 pmWSW 18.1 21.0----29.94- 68.4-----
2026-09-13 03:10 pmWSW 19.0 22.9----29.95- 68.4-----
2026-09-13 03:00 pmWSW 21.0 22.9----29.96-0.01 68.5-----
2026-09-13 02:50 pmWSW 15.9 20.0----29.95- 68.7-----
2026-09-13 02:40 pmWSW 18.1 28.0----29.94- 68.9-----
2026-09-13 02:30 pmWSW 19.0 22.9----29.95- 68.9-----
2026-09-13 02:20 pmWSW 17.1 21.0----29.95- 68.9-----
2026-09-13 02:10 pm W 15.9 24.1----29.95- 69.1-----
2026-09-13 02:00 pmWSW 20.0 22.0----29.96-0.02 68.9-----
2026-09-13 01:50 pm SW 15.0 19.0----29.96- 68.5-----
2026-09-13 01:40 pm SW 14.0 17.1----29.96- 68.0-----
2026-09-13 01:30 pm W 11.1 13.0----29.95- 68.0-----
2026-09-13 01:20 pm SW 8.9 15.9----29.95- 68.0-----
2026-09-13 01:10 pm SW 9.9 12.0----29.96- 67.6-----
2026-09-13 01:00 pmWSW 8.0 9.9----29.96-0.02 67.5-----
2026-09-13 12:50 pmWSW 8.9 11.1----29.96- 67.3-----
2026-09-13 12:40 pmWSW 9.9 11.1----29.97- 67.1-----
2026-09-13 12:30 pmWSW 9.9 11.1----29.97- 66.9-----
2026-09-13 12:20 pmWSW 8.9 9.9----29.96- 66.7-----
2026-09-13 12:10 pmWSW 6.0 11.1----29.97- 66.7-----
2026-09-13 12:00 pmWSW 5.1 8.0----29.97-0.01 66.6-----
2026-09-13 11:50 amWSW 8.0 8.9----29.98- 66.4-----
2026-09-13 11:40 am W 5.1 8.0----29.98- 66.0-----
2026-09-13 11:30 am W 7.0 8.9----29.98- 66.0-----
2026-09-13 11:20 am W 6.0 7.0----29.98- 66.0-----
2026-09-13 11:10 am W 4.1 5.1----29.97- 65.7-----
2026-09-13 11:00 amWNW 5.1 7.0----29.98+0.02 65.5-----
2026-09-13 10:50 amWNW 6.0 8.0----29.98- 65.3-----
2026-09-13 10:40 am NW 5.1 7.0----29.97- 64.9-----
2026-09-13 10:30 am NW 5.1 7.0----29.97- 64.9-----
2026-09-13 10:20 am NW 4.1 6.0----29.97- 64.2-----
2026-09-13 10:10 am NW 4.1 7.0----29.98- 64.4-----
2026-09-13 10:00 am NW 5.1 7.0----29.98+0.05 63.9-----
2026-09-13 09:50 amWNW 6.0 8.0----29.98- 63.9-----
2026-09-13 09:40 amWNW 6.0 8.0----29.98- 63.9-----
2026-09-13 09:30 am NW 6.0 8.0----29.98- 63.7-----
2026-09-13 09:20 am NW 7.0 11.1----29.98- 63.5-----
2026-09-13 09:10 am NW 8.9 11.1----29.98- 63.1-----
2026-09-13 09:00 am NW 8.0 9.9----29.98+0.06 63.0-----
2026-09-13 08:50 am NW 8.9 9.9----29.98- 63.3-----
2026-09-13 08:40 am NW 8.0 8.9----29.97- 63.3-----
2026-09-13 08:30 am NW 7.0 9.9----29.97- 63.3-----
2026-09-13 08:20 am NW 8.9 11.1----29.97- 63.1-----
2026-09-13 08:10 am NW 9.9 11.1----29.96- 63.1-----
2026-09-13 08:00 am NW 9.9 12.0----29.96+0.05 63.7-----
2026-09-13 07:50 amNNW 8.9 11.1----29.95- 64.4-----
2026-09-13 07:40 am N 8.9 12.0----29.95- 64.4-----
2026-09-13 07:30 am N 8.0 11.1----29.94- 64.4-----
2026-09-13 07:20 am N 8.9 12.0----29.94- 64.2-----
2026-09-13 07:10 am N 8.9 12.0----29.93- 64.4-----
2026-09-13 07:00 am N 11.1 13.0----29.93+0.03 64.4-----
2026-09-13 06:50 am N 11.1 13.0----29.92- 64.4-----
2026-09-13 06:40 am N 12.0 13.0----29.92- 64.4-----
2026-09-13 06:30 am N 8.9 9.9----29.91- 64.4-----
2026-09-13 06:20 am N 8.9 11.1----29.91- 64.4-----
2026-09-13 06:10 am N 8.9 11.1----29.91- 64.4-----
2026-09-13 06:00 am N 8.9 11.1----29.92+0.03 64.4-----
2026-09-13 05:50 am N 9.9 12.0----29.92- 64.6-----
2026-09-13 05:40 am N 9.9 11.1----29.92- 64.6-----
2026-09-13 05:30 am N 9.9 12.0----29.91- 64.8-----
2026-09-13 05:20 am N 9.9 12.0----29.90- 64.9-----
2026-09-13 05:10 am N 11.1 12.0----29.91- 65.1-----
2026-09-13 05:00 am N 8.9 12.0----29.91+0.02 65.5-----
2026-09-13 04:50 am N 11.1 13.0----29.91- 65.7-----
2026-09-13 04:40 am N 9.9 13.0----29.91- 65.8-----
2026-09-13 04:30 am N 12.0 15.0----29.91- 66.0-----
2026-09-13 04:20 am N 13.0 15.9----29.91- 66.0-----
2026-09-13 04:10 amNNE 12.0 15.9----29.90- 66.0-----
2026-09-13 04:00 amNNE 14.0 15.9----29.90+0.01 66.0-----
2026-09-13 03:50 am N 15.0 15.9----29.90- 66.2-----
2026-09-13 03:40 am N 15.0 17.1----29.89- 66.4-----
2026-09-13 03:30 amNNE 15.0 18.1----29.89- 66.4-----
2026-09-13 03:20 amNNE 17.1 18.1----29.88- 66.4-----
2026-09-13 03:10 amNNE 15.9 17.1----29.89- 66.6-----
2026-09-13 03:00 amNNE 15.0 17.1----29.89+0.01 66.7-----
2026-09-13 02:50 amNNE 17.1 18.1----29.89- 66.7-----
2026-09-13 02:40 amNNE 17.1 18.1----29.89- 66.9-----
2026-09-13 02:30 amNNE 17.1 19.0----29.89- 67.3-----
2026-09-13 02:20 amNNE 18.1 20.0----29.89- 67.3-----
2026-09-13 02:10 amNNE 18.1 20.0----29.89- 67.5-----
2026-09-13 02:00 amNNE 17.1 19.0----29.89+0.03 67.8-----
2026-09-13 01:50 amNNE 15.9 19.0----29.90- 68.0-----
2026-09-13 01:40 amNNE 18.1 19.0----29.89- 67.8-----
2026-09-13 01:30 amNNE 15.0 17.1----29.89- 68.0-----
2026-09-13 01:20 amNNE 14.0 15.9----29.89- 68.4-----
2026-09-13 01:10 amNNE 14.0 17.1----29.89- 68.5-----
2026-09-13 01:00 am N 9.9 12.0----29.89+0.04 72.7-----
2026-09-13 12:50 am W 8.9 11.1----29.88- 73.2-----
2026-09-13 12:40 am W 9.9 11.1----29.88- 73.4-----
2026-09-13 12:30 am W 11.1 12.0----29.88- 73.8-----
2026-09-13 12:20 am W 11.1 12.0----29.88- 73.8-----
2026-09-13 12:10 am W 9.9 13.0----29.88- 74.1-----
2026-09-13 12:00 am W 12.0 12.0----29.88+0.05 74.1-----
2026-09-12 11:50 pm W 11.1 11.1----29.87- 74.5-----
2026-09-12 11:40 pm W 8.9 9.9----29.87- 74.5-----
2026-09-12 11:30 pm W 8.0 8.9----29.87- 74.8-----
2026-09-12 11:20 pm W 9.9 11.1----29.86- 74.5-----
2026-09-12 11:10 pm W 9.9 12.0----29.86- 74.5-----
2026-09-12 11:00 pmWSW 12.0 14.0----29.86+0.04 74.5-----
2026-09-12 10:50 pm SW 13.0 13.0----29.85- 74.7-----
2026-09-12 10:40 pm SW 11.1 12.0----29.85- 75.0-----
2026-09-12 10:30 pm SW 11.1 13.0----29.85- 75.7-----
2026-09-12 10:20 pm SW 13.0 15.0----29.86- 75.7-----
2026-09-12 10:10 pm SW 13.0 14.0----29.85- 75.4-----
2026-09-12 10:00 pm SW 11.1 12.0----29.85+0.04 75.4-----
2026-09-12 09:50 pm SW 12.0 13.0----29.85- 75.7-----
2026-09-12 09:40 pm SW 13.0 14.0----29.85- 75.7-----
2026-09-12 09:30 pm SW 14.0 15.0----29.84- 75.9-----
2026-09-12 09:20 pm SW 15.0 15.9----29.84- 76.3-----
2026-09-12 09:10 pm SW 15.0 15.9----29.84- 76.3-----
2026-09-12 09:00 pm SW 14.0 15.9----29.83+0.02 76.1-----
2026-09-12 08:50 pmSSW 14.0 15.9----29.83- 75.9-----