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

Owned and maintained by National Weather Service Central Region
Weather Station
44.018 N 83.537 W (44°1'6" N 83°32'14" W)

Site elevation: 179 m above mean sea level
Anemometer height: 25 m above site elevation

Latest NWS Marine Forecast

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station GSLM4

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Station GSLM4

Conditions at GSLM4 as of
(3:40 pm EDT)
1940 GMT on 04/29/2025:
Note: This report is more than two hours old
     

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): SW ( 230 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 35.9 kts
5-day plot - Wind Gust Wind Gust (GST): 42.9 kts
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.73 in
5-day plot - Air Temperature Air Temperature (ATMP): 65.3 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 33.0 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 35.0 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
2025-04-29 03:30 pmWSW 33.0 36.9----29.73- 64.6-----
2025-04-29 03:20 pm SW 35.0 44.1----29.72- 64.8-----
2025-04-29 03:10 pmWSW 42.0 47.0----29.71- 65.7-----
2025-04-29 03:00 pmWSW 33.0 45.1----29.71- 65.8-----
2025-04-29 02:50 pmWSW 35.9 42.0----29.70- 65.8-----
2025-04-29 02:40 pmWSW 32.1 42.9----29.69- 67.3-----
2025-04-29 02:30 pm W 35.9 41.0----29.66- 67.5-----
2025-04-29 02:20 pm SW 31.1 35.9----29.67- 68.7-----
2025-04-29 02:10 pm SW 35.0 42.0----29.66- 70.3-----
2025-04-29 02:00 pm SW 35.9 42.0----29.65- 68.5-----
2025-04-29 01:50 pm SW 27.0 33.0----29.66- 69.8-----
2025-04-29 01:40 pm SW 28.0 32.1----29.65- 68.9-----
2025-04-29 01:30 pm SW 31.1 35.0----29.65- 69.4-----
2025-04-29 01:20 pm SW 29.9 34.0----29.65- 69.1-----
2025-04-29 01:10 pm SW 25.1 28.0----29.64- 66.0-----
2025-04-29 01:00 pm SW 25.1 29.9----29.65-0.01 66.0-----
2025-04-29 12:50 pm SW 27.0 32.1----29.64- 67.1-----
2025-04-29 10:40 am S 7.0 9.9----29.66- 65.1-----
2025-04-29 10:30 am S 6.0 9.9----29.65- 65.3-----
2025-04-29 10:20 am S 5.1 7.0----29.66- 63.7-----
2025-04-29 10:10 am S 4.1 8.9----29.66- 63.5-----
2025-04-29 10:00 am S 7.0 11.1----29.66-0.03 63.1-----
2025-04-29 09:50 amSSE 7.0 9.9----29.66- 63.3-----
2025-04-29 09:40 amSSE 8.0 9.9----29.67- 63.5-----
2025-04-29 09:30 amSSE 7.0 9.9----29.67- 62.1-----
2025-04-29 09:20 am SE 7.0 9.9----29.67- 62.6-----
2025-04-29 09:10 am S 7.0 8.9----29.68- 66.6-----
2025-04-29 09:00 am S 4.1 8.9----29.69-0.01 68.4-----
2025-04-29 08:50 am S 8.0 9.9----29.69- 68.0-----
2025-04-29 08:40 am S 5.1 8.0----29.70- 66.0-----
2025-04-29 08:30 am S 4.1 8.9----29.70- 68.5-----
2025-04-29 08:20 am S 2.9 8.9----29.71- 70.5-----
2025-04-29 08:10 amSSW 8.9 17.1----29.70- 70.5-----
2025-04-29 08:00 am SW 15.0 21.0----29.71+0.00 69.4-----
2025-04-29 07:50 amWSW 14.0 28.0----29.70- 70.2-----
2025-04-29 07:40 am W 27.0-----29.71- 65.1-----
2025-04-29 07:30 am S 5.1 11.1----29.71- 62.4-----
2025-04-29 07:20 amSSE 8.0 11.1----29.70- 62.6-----
2025-04-29 07:10 amSSE 8.9 13.0----29.70- 63.0-----
2025-04-29 07:00 am SE 9.9 14.0----29.69-0.02 62.6-----
2025-04-29 06:50 am SE 8.9 14.0----29.69- 62.8-----
2025-04-29 06:40 am SE 11.1 14.0----29.69- 62.8-----
2025-04-29 06:30 am SE 9.9 13.0----29.69- 62.8-----
2025-04-29 06:20 amSSE 9.9 12.0----29.69- 62.4-----
2025-04-29 06:10 amSSE 8.9 12.0----29.69- 61.9-----
2025-04-29 06:00 amSSE 8.9 9.9----29.70-0.05 61.9-----
2025-04-29 05:50 amSSE 8.0 9.9----29.71- 61.7-----
2025-04-29 05:40 amSSE 8.0 11.1----29.71- 61.9-----
2025-04-29 05:30 amSSE 8.0 11.1----29.71- 62.1-----
2025-04-29 05:20 am SE 8.0 12.0----29.71- 61.7-----
2025-04-29 05:10 am SE 9.9 13.0----29.71- 61.5-----
2025-04-29 05:00 amESE 8.9 13.0----29.71-0.07 61.0-----
2025-04-29 04:50 amSSE 8.0 13.0----29.71- 60.8-----
2025-04-29 04:40 am SE 8.9 13.0----29.71- 60.4-----
2025-04-29 04:30 amSSE 8.0 9.9----29.72- 60.4-----
2025-04-29 04:20 am SE 8.0 13.0----29.72- 60.6-----
2025-04-29 04:10 am SE 8.9 15.0----29.72- 61.0-----
2025-04-29 04:00 am SE 12.0 15.9----29.71-0.11 61.3-----
2025-04-29 03:50 am SE 9.9 15.0----29.72- 61.3-----
2025-04-29 03:40 amESE 11.1 17.1----29.72- 61.3-----
2025-04-29 03:30 am SE 12.0 17.1----29.73- 61.2-----
2025-04-29 03:20 amSSE 13.0 15.9----29.73- 61.0-----
2025-04-29 03:10 amESE 8.9 13.0----29.74- 60.6-----
2025-04-29 03:00 amSSE 8.0 9.9----29.75-0.08 60.8-----
2025-04-29 02:50 amSSE 8.0 9.9----29.76- 61.3-----
2025-04-29 02:40 amSSE 8.0 13.0----29.76- 61.9-----
2025-04-29 02:30 amESE 9.9 22.0----29.76- 62.8-----
2025-04-29 02:20 amSSE 20.0 25.1----29.77- 62.6-----
2025-04-29 02:10 amSSE 22.9 28.9----29.77- 62.4-----
2025-04-29 02:00 amSSE 26.0 28.0----29.78-0.08 62.2-----
2025-04-29 01:50 amSSE 25.1 29.9----29.78- 61.9-----
2025-04-29 01:40 amSSE 27.0 29.9----29.78- 61.7-----
2025-04-29 01:30 amSSE 28.0 29.9----29.79- 61.7-----
2025-04-29 01:20 amSSE 25.1 28.0----29.80- 61.5-----
2025-04-29 01:10 amSSE 25.1 27.0----29.81- 61.7-----
2025-04-29 01:00 amSSE 20.0 22.9----29.82-0.06 61.2-----
2025-04-29 12:50 amSSE 20.0 22.0----29.83- 61.2-----
2025-04-29 12:40 amSSE 20.0 22.0----29.83- 61.9-----
2025-04-29 12:30 amSSE 21.0 22.9----29.84- 62.4-----
2025-04-29 12:20 amSSE 21.0 25.1----29.84- 62.8-----
2025-04-29 12:10 amSSE 24.1 27.0----29.84- 62.4-----
2025-04-29 12:00 amSSE 26.0 28.0----29.83-0.07 62.1-----
2025-04-28 11:50 pmSSE 26.0 28.0----29.83- 61.7-----
2025-04-28 11:40 pmSSE 25.1 26.0----29.83- 61.3-----
2025-04-28 11:30 pmSSE 22.0 24.1----29.85- 61.3-----
2025-04-28 11:20 pmSSE 21.0 22.0----29.86- 61.3-----
2025-04-28 11:10 pmSSE 20.0 22.0----29.86- 61.7-----
2025-04-28 11:00 pmSSE 19.0 20.0----29.86-0.07 61.0-----
2025-04-28 10:50 pm SE 12.0 21.0----29.87- 61.2-----
2025-04-28 10:40 pmSSE 21.0 22.9----29.87- 62.2-----
2025-04-28 10:30 pmSSE 22.9 22.9----29.87- 62.8-----
2025-04-28 10:20 pmSSE 22.0 22.0----29.88- 62.1-----
2025-04-28 10:10 pmSSE 20.0 20.0----29.88- 61.7-----
2025-04-28 10:00 pmSSE 20.0 22.0----29.88-0.08 62.4-----
2025-04-28 09:50 pmSSE 22.0 25.1----29.88- 63.5-----
2025-04-28 09:40 pmSSE 24.1 25.1----29.88- 63.9-----
2025-04-28 09:30 pmSSE 22.9 25.1----29.89- 63.7-----
2025-04-28 09:20 pmSSE 24.1 25.1----29.90- 63.9-----
2025-04-28 09:10 pmSSE 25.1 27.0----29.90- 64.8-----
2025-04-28 09:00 pmSSE 26.0 27.0----29.90-0.07 64.4-----
2025-04-28 08:50 pmSSE 24.1 25.1----29.91- 63.1-----
2025-04-28 08:40 pmSSE 22.0 24.1----29.92- 63.1-----
2025-04-28 08:30 pmSSE 22.9 25.1----29.91- 62.8-----
2025-04-28 08:20 pmSSE 22.9 24.1----29.92- 64.2-----
2025-04-28 08:10 pmSSE 21.0 24.1----29.92- 63.9-----
2025-04-28 08:00 pmSSE 21.0 22.0----29.93-0.05 64.6-----
2025-04-28 07:50 pmSSE 22.0 22.9----29.93- 63.1-----