    Station List

Data Access
    Mobile Access
    Classic Maps
         Recent
         DART®
    Obs Search
    Ship Obs Report
    BuoyCAMs
    TAO
    DODS
    OceanSITES
    HF Radar
    OSMC
    Dial-A-Buoy
    RSS Feeds

    Web Widget
    Email Access
    Web Data Guide
    Maintenance Schedule
    Station Status Report

Program Info
    TAO
    DART®
    IOOS®

Publications
    NDBC PEA
    NDBC FONSI
    NDBC DQC Handbook

FAQ
Visitor Information

Storm Special! View the latest observations near Atlantic Tropical Storm Ernesto and East Pacific Hurricane Lane.

The NDBC website is now available only via HTTPS. Please update your bookmarks and/or links to use https://www.ndbc.noaa.gov/.

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

Meteorological Observations from Nearby Stations and Ships

Large icon indicates selected station.

Stations with recent data

Stations with no data in last 8 hours
(24 hours for tsunami stations)

Disclaimer

Conditions at GRMM4 as of
(3:40 pm EDT)
1940 GMT on 08/17/2018:
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 ( 10 deg true )
	Wind Speed (WSPD):	4.1 kts
	Wind Gust (GST):	6.0 kts
	Atmospheric Pressure (PRES):	30.05 in
	Air Temperature (ATMP):	65.7 °F
	Wind Speed at 10 meters (WSPD10M):	3.9 kts
	Wind Speed at 20 meters (WSPD20M):	5.8 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	17	3:30 pm	N	4.1	5.1	-	-	-	-	30.05	-	65.5	-	-	-	-	-
08	17	3:20 pm	N	4.1	6.0	-	-	-	-	30.06	-	65.5	-	-	-	-	-
08	17	3:10 pm	N	4.1	6.0	-	-	-	-	30.06	-	65.3	-	-	-	-	-
08	17	3:00 pm	N	5.1	6.0	-	-	-	-	30.06	+0.02	64.9	-	-	-	-	-
08	17	2:50 pm	N	5.1	6.0	-	-	-	-	30.05	-	65.1	-	-	-	-	-
08	17	2:40 pm	N	6.0	7.0	-	-	-	-	30.05	-	64.9	-	-	-	-	-
08	17	2:30 pm	N	7.0	8.0	-	-	-	-	30.05	-	64.9	-	-	-	-	-
08	17	2:20 pm	N	8.0	8.9	-	-	-	-	30.05	-	64.8	-	-	-	-	-
08	17	2:10 pm	N	8.0	9.9	-	-	-	-	30.05	-	64.9	-	-	-	-	-
08	17	2:00 pm	N	8.0	8.9	-	-	-	-	30.05	+0.01	65.1	-	-	-	-	-
08	17	1:50 pm	N	7.0	8.0	-	-	-	-	30.04	-	65.1	-	-	-	-	-
08	17	1:40 pm	N	7.0	8.9	-	-	-	-	30.04	-	64.9	-	-	-	-	-
08	17	1:30 pm	N	8.0	8.9	-	-	-	-	30.04	-	64.9	-	-	-	-	-
08	17	1:20 pm	N	6.0	8.0	-	-	-	-	30.04	-	65.1	-	-	-	-	-
08	17	1:10 pm	N	5.1	6.0	-	-	-	-	30.03	-	65.3	-	-	-	-	-
08	17	1:00 pm	NNW	1.0	1.9	-	-	-	-	30.03	-0.01	65.3	-	-	-	-	-
08	17	12:50 pm	NNW	1.0	2.9	-	-	-	-	30.03	-	65.5	-	-	-	-	-
08	17	12:40 pm	NNW	1.0	1.9	-	-	-	-	30.03	-	65.5	-	-	-	-	-
08	17	12:30 pm	NNW	1.0	1.9	-	-	-	-	30.03	-	65.7	-	-	-	-	-
08	17	12:20 pm	-	0.0	1.9	-	-	-	-	30.03	-	66.0	-	-	-	-	-
08	17	12:10 pm	N	1.0	1.9	-	-	-	-	30.04	-	66.2	-	-	-	-	-
08	17	12:00 pm	-	0.0	1.9	-	-	-	-	30.04	+0.00	66.7	-	-	-	-	-
08	17	11:50 am	-	0.0	1.0	-	-	-	-	30.04	-	66.2	-	-	-	-	-
08	17	11:40 am	-	0.0	0.0	-	-	-	-	30.04	-	66.0	-	-	-	-	-
08	17	11:30 am	-	0.0	1.0	-	-	-	-	30.04	-	65.8	-	-	-	-	-
08	17	11:20 am	-	0.0	1.0	-	-	-	-	30.04	-	65.7	-	-	-	-	-
08	17	11:10 am	-	0.0	1.9	-	-	-	-	30.04	-	65.8	-	-	-	-	-
08	17	11:00 am	-	0.0	1.0	-	-	-	-	30.04	+0.01	65.7	-	-	-	-	-
08	17	10:50 am	-	0.0	1.0	-	-	-	-	30.04	-	65.7	-	-	-	-	-
08	17	10:40 am	-	0.0	1.9	-	-	-	-	30.04	-	65.8	-	-	-	-	-
08	17	10:30 am	-	0.0	1.9	-	-	-	-	30.04	-	65.7	-	-	-	-	-
08	17	10:20 am	N	1.0	1.9	-	-	-	-	30.04	-	65.8	-	-	-	-	-
08	17	10:10 am	-	0.0	1.0	-	-	-	-	30.04	-	66.6	-	-	-	-	-
08	17	10:00 am	-	0.0	0.0	-	-	-	-	30.04	+0.01	66.9	-	-	-	-	-
08	17	9:50 am	-	0.0	1.0	-	-	-	-	30.04	-	66.0	-	-	-	-	-
08	17	9:40 am	-	0.0	1.0	-	-	-	-	30.04	-	66.4	-	-	-	-	-
08	17	9:30 am	N	1.0	1.0	-	-	-	-	30.04	-	67.3	-	-	-	-	-
08	17	9:20 am	-	0.0	0.0	-	-	-	-	30.04	-	67.3	-	-	-	-	-
08	17	9:10 am	-	0.0	0.0	-	-	-	-	30.04	-	67.5	-	-	-	-	-
08	17	9:00 am	-	0.0	0.0	-	-	-	-	30.04	+0.01	68.2	-	-	-	-	-
08	17	8:50 am	-	0.0	0.0	-	-	-	-	30.04	-	67.3	-	-	-	-	-
08	17	8:40 am	-	0.0	1.9	-	-	-	-	30.04	-	66.2	-	-	-	-	-
08	17	8:30 am	NNE	1.0	1.9	-	-	-	-	30.03	-	66.2	-	-	-	-	-
08	17	8:20 am	-	0.0	1.9	-	-	-	-	30.03	-	65.8	-	-	-	-	-
08	17	8:10 am	-	0.0	1.0	-	-	-	-	30.03	-	65.8	-	-	-	-	-
08	17	8:00 am	-	0.0	1.9	-	-	-	-	30.03	+0.02	64.6	-	-	-	-	-
08	17	7:50 am	-	0.0	0.0	-	-	-	-	30.03	-	64.9	-	-	-	-	-
08	17	7:40 am	-	0.0	1.0	-	-	-	-	30.03	-	63.5	-	-	-	-	-
08	17	7:30 am	-	0.0	1.0	-	-	-	-	30.03	-	64.9	-	-	-	-	-
08	17	7:20 am	-	0.0	1.9	-	-	-	-	30.03	-	65.3	-	-	-	-	-
08	17	7:10 am	-	0.0	1.9	-	-	-	-	30.03	-	65.1	-	-	-	-	-
08	17	7:00 am	NE	1.0	2.9	-	-	-	-	30.03	+0.02	64.9	-	-	-	-	-
08	17	6:50 am	NNE	1.9	2.9	-	-	-	-	30.03	-	64.9	-	-	-	-	-
08	17	6:40 am	-	0.0	1.9	-	-	-	-	30.03	-	64.8	-	-	-	-	-
08	17	6:30 am	-	0.0	1.9	-	-	-	-	30.03	-	64.6	-	-	-	-	-
08	17	6:20 am	-	0.0	1.0	-	-	-	-	30.03	-	64.6	-	-	-	-	-
08	17	6:10 am	-	0.0	1.9	-	-	-	-	30.03	-	64.4	-	-	-	-	-
08	17	6:00 am	NNE	1.0	2.9	-	-	-	-	30.03	+0.03	64.6	-	-	-	-	-
08	17	5:50 am	N	1.0	1.9	-	-	-	-	30.02	-	64.4	-	-	-	-	-
08	17	5:40 am	N	1.0	2.9	-	-	-	-	30.02	-	64.0	-	-	-	-	-
08	17	5:30 am	N	2.9	2.9	-	-	-	-	30.01	-	64.2	-	-	-	-	-
08	17	5:20 am	N	1.9	2.9	-	-	-	-	30.02	-	64.4	-	-	-	-	-
08	17	5:10 am	N	1.0	2.9	-	-	-	-	30.02	-	64.4	-	-	-	-	-
08	17	5:00 am	N	1.9	2.9	-	-	-	-	30.01	+0.00	64.4	-	-	-	-	-
08	17	4:50 am	N	1.9	2.9	-	-	-	-	30.01	-	64.8	-	-	-	-	-
08	17	4:40 am	N	1.0	1.9	-	-	-	-	30.01	-	64.6	-	-	-	-	-
08	17	4:30 am	-	0.0	1.9	-	-	-	-	30.01	-	64.6	-	-	-	-	-
08	17	4:20 am	-	0.0	1.9	-	-	-	-	30.01	-	64.0	-	-	-	-	-
08	17	4:10 am	-	0.0	1.9	-	-	-	-	30.01	-	63.3	-	-	-	-	-
08	17	4:00 am	-	0.0	1.9	-	-	-	-	30.01	+0.00	63.5	-	-	-	-	-
08	17	3:50 am	-	0.0	0.0	-	-	-	-	30.01	-	63.7	-	-	-	-	-
08	17	3:40 am	-	0.0	0.0	-	-	-	-	30.01	-	63.5	-	-	-	-	-
08	17	3:30 am	-	0.0	0.0	-	-	-	-	30.01	-	63.1	-	-	-	-	-
08	17	3:20 am	-	0.0	0.0	-	-	-	-	30.00	-	63.5	-	-	-	-	-
08	17	3:10 am	-	0.0	1.0	-	-	-	-	30.00	-	64.0	-	-	-	-	-
08	17	3:00 am	-	0.0	1.9	-	-	-	-	30.00	-0.02	63.7	-	-	-	-	-
08	17	2:50 am	-	0.0	0.0	-	-	-	-	30.00	-	63.1	-	-	-	-	-
08	17	2:40 am	-	0.0	1.0	-	-	-	-	30.00	-	63.0	-	-	-	-	-
08	17	2:30 am	-	0.0	0.0	-	-	-	-	30.00	-	63.5	-	-	-	-	-
08	17	2:20 am	-	0.0	1.0	-	-	-	-	30.00	-	64.6	-	-	-	-	-
08	17	2:10 am	-	0.0	1.0	-	-	-	-	30.00	-	64.0	-	-	-	-	-
08	17	2:00 am	-	0.0	1.9	-	-	-	-	30.01	-0.01	63.7	-	-	-	-	-
08	17	1:50 am	-	0.0	0.0	-	-	-	-	30.01	-	63.5	-	-	-	-	-
08	17	1:40 am	-	0.0	0.0	-	-	-	-	30.01	-	64.4	-	-	-	-	-
08	17	1:30 am	-	0.0	0.0	-	-	-	-	30.01	-	64.6	-	-	-	-	-
08	17	1:20 am	-	0.0	1.0	-	-	-	-	30.01	-	64.6	-	-	-	-	-
08	17	1:10 am	-	0.0	1.0	-	-	-	-	30.01	-	64.9	-	-	-	-	-
08	17	1:00 am	-	0.0	0.0	-	-	-	-	30.01	+0.00	65.1	-	-	-	-	-
08	17	12:50 am	-	0.0	0.0	-	-	-	-	30.01	-	64.9	-	-	-	-	-
08	17	12:40 am	-	0.0	0.0	-	-	-	-	30.01	-	65.1	-	-	-	-	-
08	17	12:30 am	-	0.0	0.0	-	-	-	-	30.01	-	65.1	-	-	-	-	-
08	17	12:20 am	-	0.0	0.0	-	-	-	-	30.01	-	65.3	-	-	-	-	-
08	17	12:10 am	-	0.0	0.0	-	-	-	-	30.02	-	65.3	-	-	-	-	-
08	17	12:00 am	-	0.0	0.0	-	-	-	-	30.02	+0.02	65.3	-	-	-	-	-
08	16	11:50 pm	-	0.0	0.0	-	-	-	-	30.03	-	65.1	-	-	-	-	-
08	16	11:40 pm	-	0.0	0.0	-	-	-	-	30.03	-	65.7	-	-	-	-	-
08	16	11:30 pm	-	0.0	0.0	-	-	-	-	30.03	-	66.6	-	-	-	-	-
08	16	11:20 pm	-	0.0	0.0	-	-	-	-	30.03	-	66.7	-	-	-	-	-
08	16	11:10 pm	-	0.0	0.0	-	-	-	-	30.03	-	66.7	-	-	-	-	-
08	16	11:00 pm	-	0.0	0.0	-	-	-	-	30.02	+0.02	66.7	-	-	-	-	-
08	16	10:50 pm	-	0.0	0.0	-	-	-	-	30.02	-	67.1	-	-	-	-	-
08	16	10:40 pm	-	0.0	0.0	-	-	-	-	30.02	-	67.3	-	-	-	-	-
08	16	10:30 pm	-	0.0	1.0	-	-	-	-	30.02	-	67.3	-	-	-	-	-
08	16	10:20 pm	S	1.0	4.1	-	-	-	-	30.02	-	67.3	-	-	-	-	-
08	16	10:10 pm	SSE	2.9	2.9	-	-	-	-	30.01	-	67.3	-	-	-	-	-
08	16	10:00 pm	SSE	2.9	4.1	-	-	-	-	30.01	+0.01	67.3	-	-	-	-	-
08	16	9:50 pm	SSE	4.1	4.1	-	-	-	-	30.01	-	67.3	-	-	-	-	-
08	16	9:40 pm	SSE	4.1	5.1	-	-	-	-	30.00	-	67.1	-	-	-	-	-
08	16	9:30 pm	SSE	4.1	6.0	-	-	-	-	30.00	-	67.3	-	-	-	-	-
08	16	9:20 pm	SE	5.1	6.0	-	-	-	-	30.00	-	67.1	-	-	-	-	-
08	16	9:10 pm	SE	4.1	5.1	-	-	-	-	30.00	-	66.7	-	-	-	-	-
08	16	9:00 pm	ESE	5.1	6.0	-	-	-	-	30.00	-0.01	66.4	-	-	-	-	-
08	16	8:50 pm	ESE	4.1	6.0	-	-	-	-	30.00	-	66.4	-	-	-	-	-
08	16	8:40 pm	E	5.1	5.1	-	-	-	-	30.00	-	66.4	-	-	-	-	-
08	16	8:30 pm	E	4.1	5.1	-	-	-	-	30.00	-	66.4	-	-	-	-	-
08	16	8:20 pm	E	2.9	4.1	-	-	-	-	30.00	-	66.4	-	-	-	-	-
08	16	8:10 pm	ENE	2.9	5.1	-	-	-	-	30.00	-	66.4	-	-	-	-	-
08	16	8:00 pm	NE	2.9	6.0	-	-	-	-	30.00	-0.01	66.6	-	-	-	-	-
08	16	7:50 pm	NE	5.1	5.1	-	-	-	-	30.00	-	66.9	-	-	-	-	-
08	16	7:40 pm	NE	5.1	5.1	-	-	-	-	30.00	-	67.3	-	-	-	-	-
08	16	7:30 pm	NE	5.1	6.0	-	-	-	-	30.00	-	67.6	-	-	-	-	-
08	16	7:20 pm	NE	5.1	7.0	-	-	-	-	30.00	-	68.0	-	-	-	-	-
08	16	7:10 pm	NNE	6.0	6.0	-	-	-	-	30.00	-	67.6	-	-	-	-	-
08	16	7:00 pm	N	5.1	5.1	-	-	-	-	30.00	-0.01	67.5	-	-	-	-	-
08	16	6:50 pm	ENE	4.1	4.1	-	-	-	-	30.00	-	67.5	-	-	-	-	-
08	16	6:40 pm	ENE	4.1	4.1	-	-	-	-	30.00	-	67.5	-	-	-	-	-
08	16	6:30 pm	NE	4.1	6.0	-	-	-	-	30.00	-	67.3	-	-	-	-	-
08	16	6:20 pm	E	4.1	5.1	-	-	-	-	30.00	-	67.5	-	-	-	-	-
08	16	6:10 pm	ENE	5.1	6.0	-	-	-	-	30.00	-	67.5	-	-	-	-	-
08	16	6:00 pm	NE	6.0	6.0	-	-	-	-	30.01	-0.01	67.6	-	-	-	-	-
08	16	5:50 pm	ENE	5.1	6.0	-	-	-	-	30.01	-	67.6	-	-	-	-	-
08	16	5:40 pm	ENE	5.1	6.0	-	-	-	-	30.01	-	67.6	-	-	-	-	-
08	16	5:30 pm	ENE	5.1	6.0	-	-	-	-	30.01	-	67.6	-	-	-	-	-
08	16	5:20 pm	ENE	6.0	7.0	-	-	-	-	30.01	-	67.8	-	-	-	-	-
08	16	5:10 pm	E	7.0	8.0	-	-	-	-	30.01	-	67.6	-	-	-	-	-
08	16	5:00 pm	E	7.0	8.0	-	-	-	-	30.01	-0.02	67.5	-	-	-	-	-
08	16	4:50 pm	E	6.0	7.0	-	-	-	-	30.01	-	67.8	-	-	-	-	-
08	16	4:40 pm	E	6.0	6.0	-	-	-	-	30.01	-	67.8	-	-	-	-	-
08	16	4:30 pm	E	5.1	6.0	-	-	-	-	30.01	-	67.6	-	-	-	-	-
08	16	4:20 pm	E	5.1	5.1	-	-	-	-	30.01	-	67.6	-	-	-	-	-
08	16	4:10 pm	E	4.1	5.1	-	-	-	-	30.01	-	67.6	-	-	-	-	-
08	16	4:00 pm	E	5.1	6.0	-	-	-	-	30.01	-0.03	67.6	-	-	-	-	-
08	16	3:50 pm	E	5.1	7.0	-	-	-	-	30.02	-	67.5	-	-	-	-	-

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.