NDBC has recently revised the NDBC Handbook of Automated Data Quality Control Checks and Procedures. The new document can be found on our Publications page.
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
Large icon indicates selected station.
Stations with recent data
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(24 hours for tsunami stations)
Stations with recent data Stations with no data in last 8 hours(24 hours for tsunami stations)
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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): | 14.0 kts |
| Wind Gust (GST): | 17.1 kts |
| Wind Speed at 10 meters (WSPD10M): | 13.6 kts |
| Wind Speed at 20 meters (WSPD20M): | 15.5 kts |
| Combined plot of Wind Speed, Gust, and Air Pressure |
|
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-05-18 04:40 am | N | 14.0 | 15.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 04:30 am | N | 15.0 | 17.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 04:20 am | N | 15.0 | 17.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 04:10 am | N | 15.0 | 18.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 04:00 am | N | 15.9 | 19.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 03:50 am | N | 17.1 | 20.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 03:40 am | N | 17.1 | 20.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 03:30 am | N | 17.1 | 21.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 03:20 am | N | 18.1 | 20.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 03:10 am | NNW | 17.1 | 19.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 03:00 am | NNW | 18.1 | 20.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 02:50 am | NNW | 17.1 | 20.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 02:40 am | NNW | 17.1 | 20.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 02:30 am | NNW | 17.1 | 21.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 02:20 am | NNW | 18.1 | 21.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 02:10 am | NNW | 18.1 | 21.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 02:00 am | NNW | 19.0 | 24.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 01:50 am | NW | 20.0 | 22.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 01:40 am | NW | 19.0 | 22.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 01:30 am | NW | 21.0 | 22.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 01:20 am | NW | 20.0 | 22.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 01:10 am | NW | 18.1 | 21.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 01:00 am | NW | 17.1 | 18.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 12:50 am | NW | 17.1 | 20.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 12:40 am | NW | 17.1 | 20.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 12:30 am | NW | 17.1 | 20.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 12:20 am | NW | 17.1 | 18.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 12:10 am | NW | 15.9 | 18.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-18 12:00 am | WNW | 15.9 | 19.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 11:40 pm | NW | 17.1 | 20.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 11:30 pm | WNW | 17.1 | 20.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 11:20 pm | NW | 15.9 | 19.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 11:10 pm | WNW | 15.0 | 17.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 11:00 pm | WNW | 15.0 | 17.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 10:50 pm | WNW | 14.0 | 15.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 10:40 pm | WNW | 13.0 | 15.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 10:30 pm | W | 13.0 | 14.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 10:20 pm | W | 12.0 | 14.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 10:10 pm | W | 13.0 | 18.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 10:00 pm | W | 15.9 | 19.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 09:50 pm | WNW | 15.0 | 19.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 09:40 pm | W | 17.1 | 19.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 09:30 pm | W | 15.9 | 22.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 09:20 pm | W | 18.1 | 21.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 09:10 pm | W | 17.1 | 25.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 09:00 pm | W | 19.0 | 22.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 08:50 pm | WNW | 20.0 | 25.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 08:40 pm | WNW | 24.1 | 28.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 08:30 pm | WNW | 20.0 | 22.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 08:20 pm | W | 19.0 | 26.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 08:10 pm | W | 22.9 | 26.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 08:00 pm | W | 22.0 | 25.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 07:50 pm | W | 21.0 | 27.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 07:40 pm | W | 22.9 | 27.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 07:30 pm | W | 21.0 | 27.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 07:20 pm | W | 22.9 | 28.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 07:10 pm | W | 24.1 | 28.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 07:00 pm | W | 25.1 | 28.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 06:50 pm | W | 22.9 | 26.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 06:40 pm | W | 21.0 | 31.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 06:30 pm | W | 25.1 | 28.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 06:20 pm | W | 22.0 | 25.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 06:10 pm | W | 22.0 | 28.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 06:00 pm | W | 24.1 | 28.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 05:50 pm | W | 25.1 | 29.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 05:40 pm | W | 25.1 | 29.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 05:30 pm | W | 22.9 | 28.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 05:20 pm | W | 24.1 | 27.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 05:10 pm | W | 22.0 | 26.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 05:00 pm | W | 22.9 | 25.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 04:50 pm | W | 21.0 | 24.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 04:40 pm | W | 20.0 | 22.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 04:30 pm | W | 20.0 | 22.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 04:20 pm | W | 21.0 | 22.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 04:10 pm | W | 19.0 | 22.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 04:00 pm | W | 18.1 | 21.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 03:50 pm | W | 17.1 | 22.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 03:40 pm | W | 17.1 | 20.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 03:30 pm | W | 17.1 | 22.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 03:20 pm | W | 18.1 | 21.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 03:10 pm | W | 17.1 | 19.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 03:00 pm | W | 17.1 | 21.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 02:50 pm | W | 19.0 | 22.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 02:40 pm | W | 18.1 | 20.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 02:30 pm | W | 18.1 | 19.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 02:20 pm | W | 17.1 | 18.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 02:10 pm | W | 15.9 | 18.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 02:00 pm | W | 17.1 | 19.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 01:50 pm | W | 17.1 | 19.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 01:40 pm | W | 15.0 | 18.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 01:30 pm | W | 17.1 | 20.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 01:20 pm | W | 17.1 | 21.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 01:10 pm | W | 17.1 | 21.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 01:00 pm | W | 17.1 | 19.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 12:50 pm | W | 15.9 | 18.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 12:40 pm | W | 15.9 | 17.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 12:30 pm | W | 14.0 | 15.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 12:20 pm | W | 14.0 | 18.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 12:10 pm | W | 15.0 | 18.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 12:00 pm | W | 15.0 | 15.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 11:50 am | W | 15.0 | 15.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 11:40 am | W | 14.0 | 15.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 11:30 am | W | 13.0 | 14.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 11:20 am | W | 12.0 | 13.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 11:10 am | W | 12.0 | 14.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 11:00 am | W | 13.0 | 14.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 10:50 am | W | 11.1 | 13.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 10:40 am | W | 12.0 | 13.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 10:30 am | W | 12.0 | 13.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 10:20 am | W | 13.0 | 15.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 10:10 am | W | 14.0 | 15.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 10:00 am | WNW | 12.0 | 14.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 09:50 am | WNW | 13.0 | 15.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 09:40 am | NE | 8.0 | 8.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 09:30 am | ENE | 2.9 | 4.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 09:20 am | E | 2.9 | 4.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 09:10 am | - | 0.0 | 4.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 09:00 am | E | 2.9 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 08:50 am | - | 0.0 | 5.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 08:40 am | ENE | 6.0 | 6.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 08:30 am | ENE | 2.9 | 5.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 08:20 am | - | 0.0 | 6.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 08:10 am | ENE | 5.1 | 6.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 08:00 am | ENE | 2.9 | 5.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 06:50 am | ENE | 9.9 | 11.1 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 06:40 am | E | 9.9 | 9.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 06:30 am | ENE | 8.0 | 9.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 06:20 am | E | 8.9 | 8.9 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 06:10 am | E | 7.0 | 8.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 06:00 am | E | 7.0 | 7.0 | - | - | - | - | - | - | - | - | - | - | - | - |
| 2025-05-17 04:50 am | ENE | 13.0 | 14.0 | - | - | - | - | - | - | - | - | - | - | - | - |
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 prior months and years.
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