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Station GSLM4 - Gravelly Shoals Light, MI

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

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(24 hours for tsunami stations)

Disclaimer

Conditions at GSLM4 as of
(9:40 am EDT)
1340 GMT on 08/18/2018:
Unit of Measure: Time Zone: Click on the graph icon in the table below to see a time series plot of the last five days of that observation.
	Wind Direction (WDIR):	N ( 360 deg true )
	Wind Speed (WSPD):	18.1 kts
	Wind Gust (GST):	20.0 kts
	Atmospheric Pressure (PRES):	30.01 in
	Air Temperature (ATMP):	71.4 °F
	Wind Speed at 10 meters (WSPD10M):	17.5 kts
	Wind Speed at 20 meters (WSPD20M):	17.5 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Previous observations

MM	DD	TIME (EDT)	WDIR	WSPD kts	GST kts	WVHT ft	DPD sec	APD sec	MWD	PRES in	PTDY in	ATMP °F	WTMP °F	DEWP °F	SAL psu	VIS nmi	TIDE ft
08	18	9:30 am	N	17.1	20.0	-	-	-	-	30.01	-	71.2	-	-	-	-	-
08	18	9:20 am	N	17.1	19.0	-	-	-	-	30.01	-	71.6	-	-	-	-	-
08	18	9:10 am	N	17.1	20.0	-	-	-	-	30.01	-	71.4	-	-	-	-	-
08	18	9:00 am	N	17.1	19.0	-	-	-	-	30.01	+0.03	71.6	-	-	-	-	-
08	18	8:50 am	N	17.1	19.0	-	-	-	-	30.01	-	71.8	-	-	-	-	-
08	18	8:40 am	N	17.1	19.0	-	-	-	-	30.01	-	71.8	-	-	-	-	-
08	18	8:30 am	N	15.9	19.0	-	-	-	-	30.01	-	72.0	-	-	-	-	-
08	18	8:20 am	N	18.1	20.0	-	-	-	-	30.01	-	72.0	-	-	-	-	-
08	18	8:10 am	N	18.1	20.0	-	-	-	-	30.00	-	72.0	-	-	-	-	-
08	18	8:02 am	N	18.1	19.0	-	-	-	-	30.00	-	72.0	-	-	-	-	-
08	18	8:00 am	N	17.1	19.0	-	-	-	-	30.00	+0.02	72.0	-	-	-	-	-
08	18	7:50 am	N	18.1	19.0	-	-	-	-	30.00	-	72.0	-	-	-	-	-
08	18	7:40 am	N	15.9	17.1	-	-	-	-	30.00	-	71.8	-	-	-	-	-
08	18	7:30 am	N	14.0	17.1	-	-	-	-	30.00	-	71.4	-	-	-	-	-
08	18	7:20 am	NNW	15.0	17.1	-	-	-	-	29.99	-	71.2	-	-	-	-	-
08	18	7:10 am	N	15.0	18.1	-	-	-	-	29.99	-	71.2	-	-	-	-	-
08	18	7:01 am	NNW	15.0	17.1	-	-	-	-	29.99	-	71.2	-	-	-	-	-
08	18	7:00 am	NNW	15.0	15.9	-	-	-	-	29.99	+0.02	71.2	-	-	-	-	-
08	18	6:50 am	N	15.0	17.1	-	-	-	-	29.98	-	71.2	-	-	-	-	-
08	18	6:40 am	N	15.0	17.1	-	-	-	-	29.98	-	71.2	-	-	-	-	-
08	18	6:30 am	N	14.0	15.9	-	-	-	-	29.98	-	71.2	-	-	-	-	-
08	18	6:20 am	N	15.0	17.1	-	-	-	-	29.98	-	71.2	-	-	-	-	-
08	18	6:10 am	NNW	15.0	15.9	-	-	-	-	29.98	-	71.1	-	-	-	-	-
08	18	6:01 am	NNW	15.0	17.1	-	-	-	-	29.98	-	71.1	-	-	-	-	-
08	18	6:00 am	NNW	15.0	17.1	-	-	-	-	29.98	+0.02	71.1	-	-	-	-	-
08	18	5:50 am	NNW	15.9	17.1	-	-	-	-	29.98	-	71.1	-	-	-	-	-
08	18	5:40 am	NNW	15.0	15.9	-	-	-	-	29.98	-	71.1	-	-	-	-	-
08	18	5:30 am	NNW	14.0	17.1	-	-	-	-	29.98	-	71.1	-	-	-	-	-
08	18	5:20 am	NNW	14.0	15.9	-	-	-	-	29.98	-	70.7	-	-	-	-	-
08	18	5:10 am	NNW	13.0	15.0	-	-	-	-	29.98	-	70.3	-	-	-	-	-
08	18	5:00 am	NNW	12.0	14.0	-	-	-	-	29.98	-	70.3	-	-	-	-	-
08	18	4:50 am	NNW	12.0	13.0	-	-	-	-	29.97	-	70.0	-	-	-	-	-
08	18	4:40 am	NW	11.1	13.0	-	-	-	-	29.97	-	70.2	-	-	-	-	-
08	18	4:30 am	NNW	11.1	13.0	-	-	-	-	29.97	-	70.2	-	-	-	-	-
08	18	4:20 am	NNW	11.1	13.0	-	-	-	-	29.97	-	70.0	-	-	-	-	-
08	18	4:10 am	NW	11.1	13.0	-	-	-	-	29.97	-	70.0	-	-	-	-	-
08	18	4:00 am	NW	11.1	13.0	-	-	-	-	29.97	-	69.8	-	-	-	-	-
08	18	3:50 am	NW	11.1	12.0	-	-	-	-	29.97	-	70.0	-	-	-	-	-
08	18	3:40 am	NW	11.1	13.0	-	-	-	-	29.97	-	70.0	-	-	-	-	-
08	18	3:30 am	NW	11.1	13.0	-	-	-	-	29.97	-	70.0	-	-	-	-	-
08	18	3:20 am	NW	11.1	13.0	-	-	-	-	29.97	-	70.2	-	-	-	-	-
08	18	3:10 am	NW	11.1	12.0	-	-	-	-	29.96	-	70.3	-	-	-	-	-
08	18	3:00 am	NW	11.1	19.0	-	-	-	-	29.96	-	70.3	-	-	-	-	-
08	18	2:50 am	NW	9.9	13.0	-	-	-	-	29.96	-	70.2	-	-	-	-	-
08	18	2:40 am	WNW	11.1	12.0	-	-	-	-	29.96	-	70.7	-	-	-	-	-
08	18	2:30 am	NW	9.9	12.0	-	-	-	-	29.97	-	70.9	-	-	-	-	-
08	18	2:20 am	NW	11.1	12.0	-	-	-	-	29.96	-	71.2	-	-	-	-	-
08	18	2:10 am	NW	11.1	13.0	-	-	-	-	29.96	-	71.8	-	-	-	-	-
08	18	2:00 am	NW	12.0	14.0	-	-	-	-	29.96	-0.01	72.1	-	-	-	-	-
08	18	1:50 am	WNW	11.1	12.0	-	-	-	-	29.96	-	72.0	-	-	-	-	-
08	18	1:40 am	NW	11.1	13.0	-	-	-	-	29.96	-	72.1	-	-	-	-	-
08	18	1:30 am	NW	12.0	13.0	-	-	-	-	29.96	-	72.3	-	-	-	-	-
08	18	1:20 am	WNW	12.0	13.0	-	-	-	-	29.96	-	72.7	-	-	-	-	-
08	18	1:10 am	WNW	12.0	13.0	-	-	-	-	29.96	-	72.5	-	-	-	-	-
08	18	1:00 am	NW	11.1	14.0	-	-	-	-	29.96	-0.01	73.0	-	-	-	-	-
08	18	12:50 am	WNW	11.1	12.0	-	-	-	-	29.96	-	74.1	-	-	-	-	-
08	18	12:40 am	WNW	11.1	12.0	-	-	-	-	29.96	-	74.1	-	-	-	-	-
08	18	12:30 am	WNW	11.1	11.1	-	-	-	-	29.96	-	74.3	-	-	-	-	-
08	18	12:20 am	WNW	9.9	12.0	-	-	-	-	29.96	-	74.5	-	-	-	-	-
08	18	12:10 am	WNW	8.0	8.9	-	-	-	-	29.97	-	74.7	-	-	-	-	-
08	18	12:00 am	WNW	8.0	9.9	-	-	-	-	29.96	+0.01	74.7	-	-	-	-	-
08	17	11:50 pm	WNW	8.9	9.9	-	-	-	-	29.96	-	74.7	-	-	-	-	-
08	17	11:40 pm	NW	7.0	8.9	-	-	-	-	29.96	-	74.5	-	-	-	-	-
08	17	11:30 pm	WNW	7.0	8.0	-	-	-	-	29.97	-	74.5	-	-	-	-	-
08	17	11:20 pm	NW	7.0	8.9	-	-	-	-	29.96	-	74.5	-	-	-	-	-
08	17	11:10 pm	WNW	7.0	8.0	-	-	-	-	29.97	-	74.8	-	-	-	-	-
08	17	11:00 pm	NW	7.0	8.0	-	-	-	-	29.97	+0.02	75.4	-	-	-	-	-
08	17	10:50 pm	NW	7.0	8.9	-	-	-	-	29.97	-	75.6	-	-	-	-	-
08	17	10:40 pm	WNW	7.0	8.9	-	-	-	-	29.97	-	75.6	-	-	-	-	-
08	17	10:30 pm	WNW	8.9	9.9	-	-	-	-	29.97	-	75.7	-	-	-	-	-
08	17	10:20 pm	WNW	8.9	9.9	-	-	-	-	29.97	-	76.5	-	-	-	-	-
08	17	10:10 pm	WNW	8.9	9.9	-	-	-	-	29.97	-	75.9	-	-	-	-	-
08	17	10:00 pm	WNW	8.0	8.0	-	-	-	-	29.97	+0.03	75.4	-	-	-	-	-
08	17	9:50 pm	W	5.1	7.0	-	-	-	-	29.97	-	75.4	-	-	-	-	-
08	17	9:40 pm	WNW	2.9	5.1	-	-	-	-	29.96	-	75.4	-	-	-	-	-
08	17	9:30 pm	W	5.1	5.1	-	-	-	-	29.96	-	75.4	-	-	-	-	-
08	17	9:20 pm	WNW	5.1	5.1	-	-	-	-	29.96	-	75.7	-	-	-	-	-
08	17	9:10 pm	NW	1.9	4.1	-	-	-	-	29.96	-	75.7	-	-	-	-	-
08	17	9:00 pm	NW	2.9	5.1	-	-	-	-	29.95	+0.01	75.7	-	-	-	-	-
08	17	8:50 pm	WNW	5.1	6.0	-	-	-	-	29.96	-	75.9	-	-	-	-	-
08	17	8:40 pm	NW	5.1	6.0	-	-	-	-	29.96	-	76.1	-	-	-	-	-
08	17	8:30 pm	NW	5.1	5.1	-	-	-	-	29.95	-	75.9	-	-	-	-	-
08	17	8:20 pm	NNW	5.1	6.0	-	-	-	-	29.95	-	75.9	-	-	-	-	-
08	17	8:10 pm	NNW	6.0	6.0	-	-	-	-	29.95	-	75.9	-	-	-	-	-
08	17	8:00 pm	NNW	5.1	6.0	-	-	-	-	29.95	+0.01	75.7	-	-	-	-	-
08	17	7:50 pm	N	4.1	5.1	-	-	-	-	29.95	-	75.6	-	-	-	-	-
08	17	6:40 pm	NNE	7.0	8.0	-	-	-	-	29.94	-	75.7	-	-	-	-	-
08	17	6:30 pm	NE	8.0	8.0	-	-	-	-	29.94	-	75.6	-	-	-	-	-
08	17	6:20 pm	NNE	8.0	8.9	-	-	-	-	29.94	-	75.6	-	-	-	-	-
08	17	6:10 pm	NNE	8.0	8.0	-	-	-	-	29.94	-	75.4	-	-	-	-	-
08	17	6:00 pm	NNE	8.0	9.9	-	-	-	-	29.94	+0.00	75.4	-	-	-	-	-
08	17	5:50 pm	NNE	8.9	9.9	-	-	-	-	29.94	-	75.2	-	-	-	-	-
08	17	5:40 pm	NNE	8.9	9.9	-	-	-	-	29.94	-	75.0	-	-	-	-	-
08	17	5:30 pm	N	9.9	9.9	-	-	-	-	29.93	-	75.0	-	-	-	-	-
08	17	5:20 pm	NNE	8.0	8.9	-	-	-	-	29.94	-	75.0	-	-	-	-	-
08	17	5:10 pm	NNE	8.0	8.9	-	-	-	-	29.94	-	75.0	-	-	-	-	-
08	17	5:00 pm	NNE	7.0	8.0	-	-	-	-	29.94	+0.00	74.8	-	-	-	-	-
08	17	4:50 pm	NNE	7.0	8.0	-	-	-	-	29.94	-	74.8	-	-	-	-	-
08	17	4:40 pm	NE	8.0	8.0	-	-	-	-	29.94	-	74.7	-	-	-	-	-
08	17	4:30 pm	NNE	7.0	7.0	-	-	-	-	29.94	-	74.7	-	-	-	-	-
08	17	4:20 pm	NNE	6.0	6.0	-	-	-	-	29.94	-	74.5	-	-	-	-	-
08	17	4:10 pm	NNE	5.1	6.0	-	-	-	-	29.94	-	74.5	-	-	-	-	-
08	17	4:00 pm	N	4.1	5.1	-	-	-	-	29.94	-0.01	74.7	-	-	-	-	-
08	17	3:50 pm	N	2.9	4.1	-	-	-	-	29.94	-	74.7	-	-	-	-	-
08	17	3:40 pm	N	2.9	5.1	-	-	-	-	29.94	-	74.7	-	-	-	-	-
08	17	3:30 pm	N	4.1	5.1	-	-	-	-	29.94	-	74.5	-	-	-	-	-
08	17	3:20 pm	NNE	4.1	4.1	-	-	-	-	29.94	-	74.7	-	-	-	-	-
08	17	3:10 pm	NNE	4.1	4.1	-	-	-	-	29.94	-	74.7	-	-	-	-	-
08	17	3:00 pm	NNE	4.1	6.0	-	-	-	-	29.94	+0.00	74.5	-	-	-	-	-
08	17	2:50 pm	NNE	5.1	7.0	-	-	-	-	29.94	-	74.5	-	-	-	-	-
08	17	2:40 pm	NNE	6.0	8.0	-	-	-	-	29.94	-	74.1	-	-	-	-	-
08	17	2:30 pm	NNE	7.0	8.9	-	-	-	-	29.94	-	74.3	-	-	-	-	-
08	17	2:20 pm	NNE	8.0	9.9	-	-	-	-	29.94	-	74.1	-	-	-	-	-
08	17	2:10 pm	NNE	8.9	9.9	-	-	-	-	29.94	-	74.1	-	-	-	-	-
08	17	2:00 pm	NNE	9.9	12.0	-	-	-	-	29.94	-0.01	73.9	-	-	-	-	-
08	17	1:50 pm	NNE	11.1	12.0	-	-	-	-	29.94	-	73.9	-	-	-	-	-
08	17	1:40 pm	NNE	9.9	11.1	-	-	-	-	29.95	-	74.1	-	-	-	-	-
08	17	1:30 pm	NNE	11.1	12.0	-	-	-	-	29.95	-	74.1	-	-	-	-	-
08	17	1:20 pm	NE	8.9	12.0	-	-	-	-	29.95	-	73.9	-	-	-	-	-
08	17	1:10 pm	NE	9.9	12.0	-	-	-	-	29.95	-	73.9	-	-	-	-	-
08	17	1:00 pm	NNE	9.9	12.0	-	-	-	-	29.95	+0.00	73.9	-	-	-	-	-
08	17	12:50 pm	NNE	11.1	12.0	-	-	-	-	29.95	-	73.9	-	-	-	-	-
08	17	12:40 pm	NNE	11.1	14.0	-	-	-	-	29.95	-	73.8	-	-	-	-	-
08	17	12:30 pm	NNE	13.0	15.0	-	-	-	-	29.94	-	73.6	-	-	-	-	-
08	17	12:20 pm	NNE	12.0	13.0	-	-	-	-	29.95	-	73.6	-	-	-	-	-
08	17	12:10 pm	NNE	12.0	15.0	-	-	-	-	29.94	-	73.6	-	-	-	-	-
08	17	12:00 pm	NNE	13.0	14.0	-	-	-	-	29.94	-0.02	73.6	-	-	-	-	-
08	17	11:50 am	NNE	12.0	14.0	-	-	-	-	29.94	-	73.8	-	-	-	-	-
08	17	11:40 am	NNE	12.0	13.0	-	-	-	-	29.94	-	73.8	-	-	-	-	-
08	17	11:30 am	N	12.0	13.0	-	-	-	-	29.95	-	73.9	-	-	-	-	-
08	17	11:20 am	NNE	12.0	13.0	-	-	-	-	29.95	-	73.9	-	-	-	-	-
08	17	11:10 am	NNE	9.9	13.0	-	-	-	-	29.95	-	73.8	-	-	-	-	-
08	17	11:00 am	NNE	11.1	13.0	-	-	-	-	29.95	+0.02	73.8	-	-	-	-	-
08	17	10:50 am	N	12.0	13.0	-	-	-	-	29.95	-	73.6	-	-	-	-	-
08	17	10:40 am	NNE	11.1	14.0	-	-	-	-	29.95	-	73.6	-	-	-	-	-
08	17	10:30 am	N	12.0	13.0	-	-	-	-	29.95	-	73.6	-	-	-	-	-
08	17	10:20 am	NNE	13.0	13.0	-	-	-	-	29.96	-	73.2	-	-	-	-	-
08	17	10:10 am	N	11.1	13.0	-	-	-	-	29.95	-	73.0	-	-	-	-	-
08	17	10:00 am	N	12.0	13.0	-	-	-	-	29.95	+0.01	72.9	-	-	-	-	-
08	17	9:50 am	N	9.9	13.0	-	-	-	-	29.95	-	72.7	-	-	-	-	-

Description of Measurements

Links which are specific to this station are listed below:

Real Time Data in tabular form for the last forty-five days.

Historical Data & Climatic Summaries for quality controlled data for the current month, previous months, and previous years.