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Station SRLM4 - Spectacle Reef Light, MI Image indicating link to RSS feed of recent meteorological observations for station SRLM4

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.

Latest NWS Marine Forecast

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station SRLM4

Large icon indicates selected station.
yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
     (24 hours for tsunami stations)


Conditions at SRLM4 as of
1700 GMT on 01/27/2023:
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Wind Direction Wind Direction (WDIR): S ( 180 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 28 kts
5-day plot - Air Temperature Air Temperature (ATMP): 26.4 °F
5-day plot - Water Temperature Water Temperature (WTMP): 32.0 °F
5-day plot - Dew Point Dew Point (DEWP): 18.9 °F
5-day plot - Ice Accretion Ice Accretion (ICE): 0.16 in per hour
5-day plot - Wind Chill Wind Chill (CHILL): 9.5 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 23 kts
5-day plot - Wind Speed at 10 Meters Wind Speed at 20 meters (WSPD20M): 25 kts
Previous observations
5-day plot - Wind Direction 5-day plot - Wind Speed 5-day plot - Wind Gust 5-day plot - Wave Height 5-day plot - Dominant Wave Period 5-day plot - Average Period 5-day plot - Mean Wave Direction 5-day plot - Atmospheric Pressure 5-day plot - Pressure Tendency 5-day plot - Air Temperature 5-day plot - Water Temperature 5-day plot - Dew Point 5-day plot - Salinity 5-day plot - Visibility 5-day plot - Tide (above MLLW)
MM DD 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
01271630  S 24------- 25.2 31.5 19.0---
01271600 SSE 26------- 24.4- 18.7---
01271530 SSE 25------- 24.1- 19.0---
01271500  S 25------- 23.5- 18.9---
01271430  S 26------- 23.4- 18.3---
01271400  S 25------- 24.1- 18.9---
01271330 SSE 23------- 23.5- 18.5---
01271300 SSE 22------- 22.6- 17.8---
01271230 SSE 20------- 21.9- 17.1---
01271200 SSE 20------- 21.6- 16.2---
01271130 SSE 16------- 21.9- 16.0---
01271100  SE 11------- 21.4- 14.4---
01271030 SSE 8------- 21.2- 13.8---
01271000 SSW 8------- 21.0- 13.1---
01270930 SSW 11------- 20.8- 12.6---
01270900 SSW 8------- 20.5- 12.6---
01270830  SW 8------- 20.1- 12.0---
01270800 WSW 7------- 19.9- 11.8---
01270730 WSW 9------- 20.1- 12.6---
01270700 WSW 7------- 20.5- 12.7---
01270630  W 6------- 20.5- 12.9---
01270600  W 6------- 20.7- 13.3---
01270530 WSW 7------- 20.8- 14.0---
01270500  W 5------- 21.2- 13.6---
01270430 WNW 6------- 21.0- 13.3---
01270400  NW 8------- 21.0- 13.6---
01270330  NW 7------- 20.8- 13.6---
01270300  NW 7------- 20.7- 13.5---
01270230  NW 8------- 20.5- 14.0---
01270200 WNW 12------- 20.7- 14.4---
01270130  NW 13------- 20.8- 15.1---
01270100  NW 16------- 21.2- 15.4---
01270030  NW 16------- 21.7- 16.2---
01270000  NW 16------- 22.1- 16.3---
01262330  NW 16------- 22.6- 16.7---
01262300  NW 16------- 23.2- 17.2---
01262230  NW 17------- 23.7- 17.4---
01262200  NW 15------- 24.3 31.3 18.3---
01262130  NW 14------- 24.8 31.6 19.4---
01262100  NW 7------- 25.3 32.0 20.5---
01262030  NW 5------- 25.2 32.0 19.6---
01262000 NNW 5------- 24.8 32.0 19.4---
01261930 NNW 7------- 24.6 32.0 19.9---
01261900 NNW 7------- 24.4 31.6 20.3---
01261830  NW 7------- 24.3 31.8 20.5---
01261800 NNW 6------- 24.3 31.8 19.8---
01261730  N 4------- 24.6 32.2 19.4---
01261700  N 5------- 24.3 31.5 19.0---

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.