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Station SRLM4 - Spectacle Reef Light, MI 
Owned and maintained by Great Lakes Environmental Research Laboratory
C-MAN Station
45.773 N 84.137 W (45°46'24" N 84°8'12" W)
Site elevation: 177 m above mean sea level
Anemometer height: 30 m above site elevation
Instruments are owned and maintained by the University of Colorado, Boulder.
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Stations with recent data
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(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): | W ( 280 deg true ) |
| Wind Speed (WSPD): | 11 kts |
| Air Temperature (ATMP): | 34.7 °F |
| Dew Point (DEWP): | 26.8 °F |
| Wind Chill (CHILL): | 25.9 °F |
| Wind Speed at 10 meters (WSPD10M): | 10 kts |
| Wind Speed at 20 meters (WSPD20M): | 12 kts |
| TIME (GMT) |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-04-05 2330 | W | 12 | - | - | - | - | - | - | - | 34.5 | - | 26.8 | - | - | - |
| 2025-04-05 2300 | WNW | 19 | - | - | - | - | - | - | - | 34.9 | - | 26.2 | - | - | - |
| 2025-04-05 2230 | WNW | 18 | - | - | - | - | - | - | - | 35.1 | - | 28.4 | - | - | - |
| 2025-04-05 2200 | WNW | 13 | - | - | - | - | - | - | - | 35.1 | - | 30.0 | - | - | - |
| 2025-04-05 2130 | WNW | 17 | - | - | - | - | - | - | - | 35.2 | - | 30.0 | - | - | - |
| 2025-04-05 2100 | WNW | 22 | - | - | - | - | - | - | - | 36.0 | - | 30.4 | - | - | - |
| 2025-04-05 2030 | WNW | 20 | - | - | - | - | - | - | - | 37.0 | - | 31.3 | - | - | - |
| 2025-04-05 2000 | W | 22 | - | - | - | - | - | - | - | 38.8 | - | 30.6 | - | - | - |
| 2025-04-05 1930 | W | 21 | - | - | - | - | - | - | - | 38.3 | - | 30.7 | - | - | - |
| 2025-04-05 1900 | W | 18 | - | - | - | - | - | - | - | 38.3 | - | 30.4 | - | - | - |
| 2025-04-05 1830 | W | 17 | - | - | - | - | - | - | - | 37.8 | - | 30.4 | - | - | - |
| 2025-04-05 1800 | W | 14 | - | - | - | - | - | - | - | 35.6 | - | 30.4 | - | - | - |
| 2025-04-05 1700 | W | 8 | - | - | - | - | - | - | - | 33.8 | - | 30.4 | - | - | - |
| 2025-04-05 1630 | WNW | 4 | - | - | - | - | - | - | - | 34.0 | - | 30.4 | - | - | - |
| 2025-04-05 1600 | WNW | 2 | - | - | - | - | - | - | - | 34.3 | - | 30.6 | - | - | - |
| 2025-04-05 1530 | - | 0 | - | - | - | - | - | - | - | 34.7 | - | 30.7 | - | - | - |
| 2025-04-05 1500 | SW | 1 | - | - | - | - | - | - | - | 34.5 | - | 30.6 | - | - | - |
| 2025-04-05 1430 | WSW | 2 | - | - | - | - | - | - | - | 33.8 | - | 30.0 | - | - | - |
| 2025-04-05 1400 | ESE | 2 | - | - | - | - | - | - | - | 34.2 | - | 30.4 | - | - | - |
| 2025-04-05 1330 | ESE | 4 | - | - | - | - | - | - | - | 33.6 | - | 30.0 | - | - | - |
| 2025-04-05 1300 | ESE | 5 | - | - | - | - | - | - | - | 33.4 | - | 29.8 | - | - | - |
| 2025-04-05 1230 | E | 4 | - | - | - | - | - | - | - | 33.4 | - | 29.8 | - | - | - |
| 2025-04-05 1200 | ESE | 6 | - | - | - | - | - | - | - | 33.4 | - | 29.5 | - | - | - |
| 2025-04-05 1130 | E | 9 | - | - | - | - | - | - | - | 33.4 | - | 29.5 | - | - | - |
| 2025-04-05 1100 | E | 10 | - | - | - | - | - | - | - | 33.4 | - | 30.2 | - | - | - |
| 2025-04-05 1030 | E | 10 | - | - | - | - | - | - | - | 33.4 | - | 30.6 | - | - | - |
| 2025-04-05 1000 | E | 9 | - | - | - | - | - | - | - | 33.3 | - | 30.7 | - | - | - |
| 2025-04-05 0930 | ENE | 10 | - | - | - | - | - | - | - | 33.4 | - | 31.1 | - | - | - |
| 2025-04-05 0900 | ENE | 8 | - | - | - | - | - | - | - | 33.4 | - | 30.9 | - | - | - |
| 2025-04-05 0830 | ENE | 7 | - | - | - | - | - | - | - | 33.4 | - | 30.7 | - | - | - |
| 2025-04-05 0800 | ENE | 8 | - | - | - | - | - | - | - | 33.4 | - | 30.6 | - | - | - |
| 2025-04-05 0730 | ENE | 8 | - | - | - | - | - | - | - | 33.4 | - | 30.4 | - | - | - |
| 2025-04-05 0700 | E | 8 | - | - | - | - | - | - | - | 33.6 | - | 29.8 | - | - | - |
| 2025-04-05 0630 | E | 8 | - | - | - | - | - | - | - | 33.8 | - | 29.1 | - | - | - |
| 2025-04-05 0600 | ESE | 9 | - | - | - | - | - | - | - | 33.6 | - | 28.9 | - | - | - |
| 2025-04-05 0530 | ESE | 12 | - | - | - | - | - | - | - | 33.6 | - | 29.3 | - | - | - |
| 2025-04-05 0500 | ESE | 15 | - | - | - | - | - | - | - | 33.6 | - | 29.3 | - | - | - |
| 2025-04-05 0430 | SE | 19 | - | - | - | - | - | - | - | 33.6 | - | 29.7 | - | - | - |
| 2025-04-05 0400 | ESE | 13 | - | - | - | - | - | - | - | 33.6 | - | 29.5 | - | - | - |
| 2025-04-05 0330 | ESE | 11 | - | - | - | - | - | - | - | 33.6 | - | 29.3 | - | - | - |
| 2025-04-05 0300 | E | 12 | - | - | - | - | - | - | - | 33.6 | - | 29.7 | - | - | - |
| 2025-04-05 0230 | ESE | 11 | - | - | - | - | - | - | - | 33.8 | - | 30.0 | - | - | - |
| 2025-04-05 0200 | ESE | 10 | - | - | - | - | - | - | - | 34.0 | - | 30.0 | - | - | - |
| 2025-04-05 0130 | ESE | 10 | - | - | - | - | - | - | - | 34.0 | - | 29.8 | - | - | - |
| 2025-04-05 0100 | ESE | 12 | - | - | - | - | - | - | - | 34.3 | - | 29.3 | - | - | - |
| 2025-04-05 0030 | ESE | 12 | - | - | - | - | - | - | - | 34.0 | - | 29.5 | - | - | - |
| 2025-04-05 0000 | ESE | 15 | - | - | - | - | - | - | - | 33.8 | - | 29.8 | - | - | - |
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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