Station GRMM4 - Grand Marais, MI

Owned and maintained by National Weather Service Central Region
GLOS Weather Station
46.684 N 85.972 W (46°41'2" N 85°58'19" W)

Site elevation: 186 m above mean sea level
Air temp height: 7.9 m above site elevation
Anemometer height: 9 m above site elevation
Barometer elevation: 191.4 m above mean sea level

For Great Lakes marine forecasts, select: GREAT LAKES FORECASTS

Search And Rescue (SAR) Data

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Disclaimer

Conditions at GRMM4 as of
(6:40 am EST)
1140 GMT on 01/21/2020:
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):	SW ( 220 deg true )
	Wind Speed (WSPD):	9.9 kts
	Wind Gust (GST):	14.0 kts
	Atmospheric Pressure (PRES):	30.38 in
	Air Temperature (ATMP):	15.3 °F
	Wind Chill (CHILL):	2.1 °F
	Wind Speed at 10 meters (WSPD10M):	9.7 kts
	Wind Speed at 20 meters (WSPD20M):	11.7 kts
	Combined plot of Wind Speed, Gust, and Air Pressure

Previous observations

MM	DD	TIME (EST)	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
01	21	6:30 am	SW	9.9	13.0	-	-	-	-	30.38	-	15.6	-	-	-	-	-
01	21	6:20 am	SW	9.9	15.0	-	-	-	-	30.39	-	16.5	-	-	-	-	-
01	21	6:10 am	SW	11.1	15.9	-	-	-	-	30.38	-	17.1	-	-	-	-	-
01	21	6:00 am	SW	9.9	14.0	-	-	-	-	30.38	-0.06	17.4	-	-	-	-	-
01	21	5:50 am	SW	12.0	15.9	-	-	-	-	30.38	-	17.1	-	-	-	-	-
01	21	5:40 am	SW	12.0	15.0	-	-	-	-	30.38	-	16.9	-	-	-	-	-
01	21	5:30 am	SW	9.9	14.0	-	-	-	-	30.39	-	16.7	-	-	-	-	-
01	21	5:20 am	SW	9.9	12.0	-	-	-	-	30.39	-	16.7	-	-	-	-	-
01	21	5:10 am	SW	8.9	14.0	-	-	-	-	30.39	-	17.2	-	-	-	-	-
01	21	5:00 am	SW	9.9	15.0	-	-	-	-	30.39	-0.05	17.8	-	-	-	-	-
01	21	4:50 am	SW	11.1	14.0	-	-	-	-	30.40	-	18.1	-	-	-	-	-
01	21	4:40 am	SW	9.9	14.0	-	-	-	-	30.40	-	18.7	-	-	-	-	-
01	21	4:30 am	SW	8.9	13.0	-	-	-	-	30.40	-	19.0	-	-	-	-	-
01	21	4:20 am	SW	11.1	14.0	-	-	-	-	30.40	-	19.4	-	-	-	-	-
01	21	4:10 am	SW	11.1	15.9	-	-	-	-	30.41	-	19.8	-	-	-	-	-
01	21	4:00 am	SW	12.0	15.0	-	-	-	-	30.41	-0.04	19.6	-	-	-	-	-
01	21	3:50 am	SW	9.9	15.0	-	-	-	-	30.42	-	19.4	-	-	-	-	-
01	21	3:40 am	SW	11.1	14.0	-	-	-	-	30.42	-	19.6	-	-	-	-	-
01	21	3:30 am	SW	9.9	14.0	-	-	-	-	30.43	-	19.6	-	-	-	-	-
01	21	3:20 am	WSW	11.1	15.0	-	-	-	-	30.43	-	20.3	-	-	-	-	-
01	21	3:10 am	WSW	11.1	14.0	-	-	-	-	30.44	-	19.9	-	-	-	-	-
01	21	3:00 am	WSW	9.9	14.0	-	-	-	-	30.44	-0.03	19.9	-	-	-	-	-
01	21	2:50 am	WSW	9.9	13.0	-	-	-	-	30.44	-	19.6	-	-	-	-	-
01	21	2:40 am	WSW	11.1	13.0	-	-	-	-	30.44	-	19.6	-	-	-	-	-
01	21	2:30 am	SW	9.9	12.0	-	-	-	-	30.44	-	19.9	-	-	-	-	-
01	21	2:20 am	SW	8.9	12.0	-	-	-	-	30.44	-	19.9	-	-	-	-	-
01	21	2:10 am	SW	8.9	13.0	-	-	-	-	30.44	-	20.3	-	-	-	-	-
01	21	2:00 am	SW	9.9	12.0	-	-	-	-	30.44	-0.04	21.0	-	-	-	-	-
01	21	1:50 am	SW	9.9	13.0	-	-	-	-	30.45	-	21.6	-	-	-	-	-
01	21	1:40 am	WSW	8.0	12.0	-	-	-	-	30.45	-	22.5	-	-	-	-	-
01	21	1:30 am	WSW	15.0	22.9	-	-	-	-	30.45	-	25.5	-	-	-	-	-
01	21	1:20 am	W	20.0	24.1	-	-	-	-	30.44	-	25.5	-	-	-	-	-
01	21	1:10 am	W	19.0	21.0	-	-	-	-	30.44	-	25.5	-	-	-	-	-
01	21	1:00 am	W	20.0	22.9	-	-	-	-	30.45	-0.06	25.5	-	-	-	-	-
01	21	12:50 am	W	19.0	22.9	-	-	-	-	30.45	-	25.5	-	-	-	-	-
01	21	12:40 am	W	18.1	22.9	-	-	-	-	30.46	-	25.7	-	-	-	-	-
01	21	12:30 am	W	20.0	22.9	-	-	-	-	30.46	-	25.7	-	-	-	-	-
01	21	12:20 am	W	18.1	22.0	-	-	-	-	30.46	-	25.9	-	-	-	-	-
01	21	12:10 am	W	17.1	21.0	-	-	-	-	30.47	-	26.1	-	-	-	-	-
01	21	12:00 am	W	15.9	21.0	-	-	-	-	30.47	-0.04	25.9	-	-	-	-	-
01	20	11:50 pm	W	18.1	21.0	-	-	-	-	30.47	-	26.1	-	-	-	-	-
01	20	11:40 pm	WNW	17.1	21.0	-	-	-	-	30.47	-	26.1	-	-	-	-	-
01	20	11:30 pm	W	17.1	22.0	-	-	-	-	30.48	-	26.1	-	-	-	-	-
01	20	11:20 pm	WNW	19.0	21.0	-	-	-	-	30.48	-	25.9	-	-	-	-	-
01	20	11:10 pm	W	19.0	21.0	-	-	-	-	30.48	-	26.1	-	-	-	-	-
01	20	11:00 pm	W	18.1	21.0	-	-	-	-	30.48	-0.03	25.9	-	-	-	-	-
01	20	10:50 pm	WNW	17.1	22.0	-	-	-	-	30.48	-	25.7	-	-	-	-	-
01	20	10:40 pm	WNW	17.1	22.9	-	-	-	-	30.48	-	25.7	-	-	-	-	-
01	20	10:30 pm	W	15.9	22.0	-	-	-	-	30.49	-	25.7	-	-	-	-	-
01	20	10:20 pm	W	17.1	21.0	-	-	-	-	30.49	-	25.5	-	-	-	-	-
01	20	10:10 pm	WNW	19.0	22.0	-	-	-	-	30.50	-	25.7	-	-	-	-	-
01	20	10:00 pm	WNW	19.0	22.9	-	-	-	-	30.51	+0.00	25.9	-	-	-	-	-
01	20	9:50 pm	WNW	18.1	22.9	-	-	-	-	30.50	-	25.7	-	-	-	-	-
01	20	9:40 pm	WNW	21.0	22.9	-	-	-	-	30.51	-	25.9	-	-	-	-	-
01	20	9:30 pm	WNW	19.0	22.0	-	-	-	-	30.51	-	25.9	-	-	-	-	-
01	20	9:20 pm	WNW	17.1	24.1	-	-	-	-	30.51	-	25.7	-	-	-	-	-
01	20	9:10 pm	NW	20.0	22.9	-	-	-	-	30.51	-	25.7	-	-	-	-	-
01	20	9:00 pm	WNW	19.0	22.0	-	-	-	-	30.51	-0.01	25.7	-	-	-	-	-
01	20	8:50 pm	WNW	20.0	25.1	-	-	-	-	30.51	-	25.7	-	-	-	-	-
01	20	8:40 pm	NW	19.0	21.0	-	-	-	-	30.51	-	25.7	-	-	-	-	-
01	20	8:30 pm	WNW	20.0	22.0	-	-	-	-	30.51	-	25.5	-	-	-	-	-
01	20	8:20 pm	WNW	17.1	21.0	-	-	-	-	30.51	-	25.5	-	-	-	-	-
01	20	8:10 pm	WNW	19.0	22.0	-	-	-	-	30.52	-	25.3	-	-	-	-	-
01	20	8:00 pm	WNW	18.1	22.9	-	-	-	-	30.51	+0.00	25.2	-	-	-	-	-
01	20	7:50 pm	WNW	18.1	22.9	-	-	-	-	30.51	-	25.2	-	-	-	-	-
01	20	7:40 pm	WNW	18.1	22.0	-	-	-	-	30.51	-	25.2	-	-	-	-	-
01	20	7:30 pm	WNW	19.0	22.0	-	-	-	-	30.51	-	25.2	-	-	-	-	-
01	20	7:20 pm	WNW	18.1	20.0	-	-	-	-	30.51	-	25.0	-	-	-	-	-
01	20	7:10 pm	WNW	19.0	25.1	-	-	-	-	30.51	-	24.8	-	-	-	-	-
01	20	7:00 pm	WNW	18.1	22.9	-	-	-	-	30.51	-0.01	25.2	-	-	-	-	-
01	20	6:50 pm	WNW	15.9	21.0	-	-	-	-	30.50	-	25.0	-	-	-	-	-
01	20	6:40 pm	NW	15.9	21.0	-	-	-	-	30.50	-	25.0	-	-	-	-	-
01	20	6:30 pm	WNW	19.0	22.9	-	-	-	-	30.51	-	24.8	-	-	-	-	-
01	20	6:20 pm	WNW	17.1	22.0	-	-	-	-	30.51	-	25.0	-	-	-	-	-
01	20	6:10 pm	WNW	19.0	22.9	-	-	-	-	30.52	-	24.8	-	-	-	-	-
01	20	6:00 pm	NW	18.1	21.0	-	-	-	-	30.52	+0.01	25.0	-	-	-	-	-
01	20	5:50 pm	WNW	15.9	24.1	-	-	-	-	30.52	-	24.8	-	-	-	-	-
01	20	5:40 pm	WNW	17.1	24.1	-	-	-	-	30.52	-	25.0	-	-	-	-	-
01	20	5:30 pm	WNW	18.1	21.0	-	-	-	-	30.51	-	24.6	-	-	-	-	-
01	20	5:20 pm	NW	17.1	22.0	-	-	-	-	30.51	-	24.6	-	-	-	-	-
01	20	5:10 pm	NW	18.1	22.0	-	-	-	-	30.51	-	24.4	-	-	-	-	-
01	20	5:00 pm	NW	17.1	20.0	-	-	-	-	30.51	+0.00	24.6	-	-	-	-	-
01	20	4:50 pm	NW	19.0	22.0	-	-	-	-	30.51	-	24.8	-	-	-	-	-
01	20	4:40 pm	WNW	15.9	20.0	-	-	-	-	30.51	-	24.6	-	-	-	-	-
01	20	4:30 pm	WNW	18.1	21.0	-	-	-	-	30.51	-	24.4	-	-	-	-	-
01	20	4:20 pm	WNW	19.0	22.0	-	-	-	-	30.51	-	24.6	-	-	-	-	-
01	20	4:10 pm	NW	17.1	22.9	-	-	-	-	30.52	-	24.4	-	-	-	-	-
01	20	4:00 pm	NNW	17.1	24.1	-	-	-	-	30.52	+0.00	24.3	-	-	-	-	-
01	20	3:50 pm	NW	17.1	22.9	-	-	-	-	30.51	-	24.4	-	-	-	-	-
01	20	3:40 pm	WNW	19.0	22.9	-	-	-	-	30.51	-	24.4	-	-	-	-	-
01	20	3:30 pm	NW	15.9	21.0	-	-	-	-	30.52	-	24.4	-	-	-	-	-
01	20	3:20 pm	NW	18.1	26.0	-	-	-	-	30.51	-	24.6	-	-	-	-	-
01	20	3:14 pm	NNW	17.1	26.0	-	-	-	-	30.51	-	24.4	-	-	-	-	-
01	20	3:10 pm	WNW	15.9	21.0	-	-	-	-	30.51	-	24.4	-	-	-	-	-
01	20	3:00 pm	NW	17.1	20.0	-	-	-	-	30.51	-0.02	24.6	-	-	-	-	-
01	20	2:50 pm	NW	18.1	21.0	-	-	-	-	30.51	-	24.4	-	-	-	-	-
01	20	2:40 pm	NW	19.0	21.0	-	-	-	-	30.51	-	24.6	-	-	-	-	-
01	20	2:30 pm	NW	15.9	21.0	-	-	-	-	30.51	-	24.4	-	-	-	-	-
01	20	2:20 pm	NNW	15.9	20.0	-	-	-	-	30.51	-	24.4	-	-	-	-	-
01	20	2:10 pm	NW	17.1	21.0	-	-	-	-	30.51	-	24.3	-	-	-	-	-
01	20	2:00 pm	NW	17.1	22.9	-	-	-	-	30.51	-0.01	24.4	-	-	-	-	-
01	20	1:50 pm	NW	15.9	20.0	-	-	-	-	30.52	-	24.4	-	-	-	-	-
01	20	1:40 pm	NW	18.1	22.0	-	-	-	-	30.52	-	24.4	-	-	-	-	-
01	20	1:30 pm	NW	17.1	21.0	-	-	-	-	30.52	-	24.4	-	-	-	-	-
01	20	1:20 pm	NW	17.1	21.0	-	-	-	-	30.52	-	24.4	-	-	-	-	-
01	20	1:10 pm	NNW	15.9	21.0	-	-	-	-	30.52	-	24.4	-	-	-	-	-
01	20	1:00 pm	NNW	18.1	24.1	-	-	-	-	30.52	+0.01	24.3	-	-	-	-	-
01	20	12:50 pm	NW	19.0	22.9	-	-	-	-	30.52	-	24.6	-	-	-	-	-
01	20	12:40 pm	NW	18.1	22.9	-	-	-	-	30.52	-	24.4	-	-	-	-	-
01	20	12:30 pm	NW	18.1	22.9	-	-	-	-	30.52	-	24.4	-	-	-	-	-
01	20	12:20 pm	NW	18.1	22.0	-	-	-	-	30.52	-	24.6	-	-	-	-	-
01	20	12:10 pm	NNW	18.1	21.0	-	-	-	-	30.52	-	24.3	-	-	-	-	-
01	20	12:00 pm	NW	15.9	21.0	-	-	-	-	30.53	+0.03	24.3	-	-	-	-	-
01	20	11:50 am	NNW	18.1	21.0	-	-	-	-	30.52	-	24.1	-	-	-	-	-
01	20	11:40 am	NW	18.1	22.0	-	-	-	-	30.53	-	24.1	-	-	-	-	-
01	20	11:30 am	NNW	17.1	22.0	-	-	-	-	30.53	-	23.9	-	-	-	-	-
01	20	11:20 am	NNW	18.1	22.0	-	-	-	-	30.53	-	23.9	-	-	-	-	-
01	20	11:10 am	NNW	17.1	22.9	-	-	-	-	30.53	-	23.9	-	-	-	-	-
01	20	11:00 am	NNW	18.1	25.1	-	-	-	-	30.52	+0.04	24.1	-	-	-	-	-
01	20	10:50 am	NW	17.1	21.0	-	-	-	-	30.52	-	23.7	-	-	-	-	-
01	20	10:40 am	NW	17.1	22.9	-	-	-	-	30.52	-	23.7	-	-	-	-	-
01	20	10:30 am	NW	19.0	22.9	-	-	-	-	30.52	-	23.5	-	-	-	-	-
01	20	10:20 am	NW	20.0	22.0	-	-	-	-	30.51	-	23.5	-	-	-	-	-
01	20	10:10 am	NW	18.1	25.1	-	-	-	-	30.51	-	23.4	-	-	-	-	-
01	20	10:00 am	NW	17.1	24.1	-	-	-	-	30.51	+0.04	23.4	-	-	-	-	-
01	20	9:50 am	NNW	18.1	22.0	-	-	-	-	30.51	-	23.5	-	-	-	-	-
01	20	9:40 am	NNW	19.0	25.1	-	-	-	-	30.51	-	23.5	-	-	-	-	-
01	20	9:30 am	NW	21.0	25.1	-	-	-	-	30.50	-	23.5	-	-	-	-	-
01	20	9:20 am	NNW	21.0	25.1	-	-	-	-	30.50	-	23.4	-	-	-	-	-
01	20	9:10 am	NW	19.0	25.1	-	-	-	-	30.50	-	23.4	-	-	-	-	-
01	20	9:00 am	NNW	20.0	24.1	-	-	-	-	30.50	+0.04	23.7	-	-	-	-	-
01	20	8:50 am	NNW	22.9	26.0	-	-	-	-	30.49	-	23.5	-	-	-	-	-
01	20	8:40 am	NW	22.9	27.0	-	-	-	-	30.49	-	23.5	-	-	-	-	-
01	20	8:30 am	NNW	20.0	27.0	-	-	-	-	30.49	-	23.5	-	-	-	-	-
01	20	8:23 am	NNW	20.0	26.0	-	-	-	-	30.48	-	23.5	-	-	-	-	-
01	20	8:20 am	NW	17.1	22.9	-	-	-	-	30.49	-	23.5	-	-	-	-	-
01	20	8:10 am	NW	19.0	25.1	-	-	-	-	30.48	-	23.4	-	-	-	-	-
01	20	8:00 am	NW	21.0	26.0	-	-	-	-	30.48	+0.03	23.5	-	-	-	-	-
01	20	7:50 am	NW	19.0	27.0	-	-	-	-	30.48	-	23.2	-	-	-	-	-
01	20	7:40 am	NNW	20.0	28.0	-	-	-	-	30.48	-	23.4	-	-	-	-	-
01	20	7:30 am	NW	20.0	24.1	-	-	-	-	30.48	-	23.7	-	-	-	-	-
01	20	7:20 am	NW	21.0	26.0	-	-	-	-	30.48	-	23.4	-	-	-	-	-
01	20	7:14 am	NW	21.0	26.0	-	-	-	-	30.47	-	23.5	-	-	-	-	-
01	20	7:10 am	NNW	20.0	25.1	-	-	-	-	30.48	-	23.5	-	-	-	-	-
01	20	7:00 am	NNW	21.0	26.0	-	-	-	-	30.47	+0.03	23.5	-	-	-	-	-
01	20	6:50 am	NNW	25.1	27.0	-	-	-	-	30.47	-	23.5	-	-	-	-	-

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.