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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
0630 GMT on 02/19/2019:

Note: This report is more than two hours old
     

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): WNW ( 300 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 12 kts
5-day plot - Air Temperature Air Temperature (ATMP): 14.4 °F
5-day plot - Dew Point Dew Point (DEWP): 4.6 °F
5-day plot - Wind Chill Wind Chill (CHILL): -0.4 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 10 kts
5-day plot - Wind Speed at 10 Meters Wind Speed at 20 meters (WSPD20M): 12 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
02190600 WNW 12------- 14.2- 4.5---
02190530 WNW 13------- 13.8- 4.3---
02190500 WNW 13------- 13.6- 4.5---
02190430 WNW 14------- 13.3- 4.1---
02190400 WNW 14------- 12.7- 4.1---
02190330 WNW 15------- 12.9- 4.3---
02190300  NW 15------- 12.7- 4.1---
02190230  NW 17------- 12.6- 3.9---
02190200  NW 17------- 12.6- 3.9---
02190130  NW 17------- 12.0- 3.9---
02190100  NW 16------- 11.5- 3.7---
02190030  NW 15------- 11.8- 3.2---
02190000  NW 15------- 12.4- 2.5---
02182330  NW 15------- 12.7- 0.9---
02182300  NW 15------- 12.7- 0.1---
02182230  NW 16------- 13.1- -0.0---
02182200  NW 16-------------
02182130 WNW 15------- 14.5- -1.7---
02182100 WNW 14------- 14.5- -1.8---
02182030 WNW 11------- 14.0- -2.4---
02182000 WNW 10------- 13.1- -2.0---
02181930 WNW 10------- 12.6- -2.9---
02181900 WNW 9------- 11.7- -1.5---
02181830 WNW 9-------------
02181800  NW 7------- 10.9- -0.8---
02181730 NNW 6------- 11.5- -0.9---
02181700  N 8------- 11.1- -0.8---
02181630 NNE 13------- 10.6- -0.2---
02181600 NNE 15------- 10.0- 0.5---
02181530 NNE 16------- 9.7- 0.9---
02181500 NNE 18------- 9.5- 1.4---
02181430 NNE 18------- 8.8- 1.8---
02181400  N 17------- 9.1- 2.5---
02181330 NNE 17------- 9.5- 2.8---
02181300 NNE 16------- 9.9- 3.2---
02181230 NNE 17------- 10.0- 3.4---
02181200 NNE 19-------------
02181130 NNE 19------- 10.8- 3.7---
02181100 NNE 18------- 11.7- 4.6---
02181030 NNE 19------- 12.2- 5.0---
02181000  NE 20------- 13.3- 5.7---
02180930 NNE 23------- 14.0- 6.1---
02180900  NE 23------- 14.7- 5.9---

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.