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Hurricane Symbol Storm Special! View the latest observations near Atlantic Hurricane Humberto and East Pacific Hurricane Kiko.

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
0830 GMT on 09/16/2019:
     

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 - Air Temperature Air Temperature (ATMP): 57.2 °F
5-day plot - Water Temperature Water Temperature (WTMP): 58.3 °F
5-day plot - Dew Point Dew Point (DEWP): 54.7 °F
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
09160800 ESE 9------- 57.2 58.5 54.7---
09160730 ESE 10------- 57.4 58.5 54.7---
09160700 ESE 9------- 57.6 58.5 54.7---
09160630 ESE 11------- 57.7 58.6 54.7---
09160600 ESE 10------- 57.6 58.6 54.7---
09160530 ESE 9------- 57.6 58.3 54.7---
09160500 ESE 10------- 57.6 58.5 54.5---
09160430 ESE 10------- 57.6 58.6 54.3---
09160400  E 11------- 57.6 58.6 54.1---
09160330 ESE 8------- 57.6 58.6 54.1---
09160300 ESE 8------- 57.7 58.8 54.0---
09160230 ESE 12------- 57.9 58.8 54.0---
09160200 ESE 14------- 57.6 58.5 54.1---
09160130 ESE 12------- 57.6 58.5 54.0---
09160100 ESE 11------- 57.4 58.5 53.8---
09160030 --------- 57.4 58.6 53.8---
09160000 ESE 11------- 57.4 58.6 53.6---
09152330 ESE 12------- 57.4 58.5 53.4---
09152300 ESE 12------- 57.4 58.5 53.2---
09152230  E 14------- 57.4 58.5 53.1---
09152200  E 13------- 57.4 58.5 52.9---
09152130  E 14------- 57.6 58.5 52.5---
09152100  E 16------- 57.6 58.5 52.3---
09152030  E 16------- 57.6 58.5 52.2---
09152000  E 16------- 57.4 58.5 52.0---
09151930  E 17------- 57.4 58.5 52.0---
09151900 --------- 57.6 58.3 52.0---
09151830  E 17------- 58.3 56.8 52.3---
09151800  E 15------- 58.8 57.2 52.3---
09151730  E 14------- 58.8 57.0 52.0---
09151700  E 14------- 58.1 57.0 51.6---
09151630 ESE 12------- 57.6 57.9 51.4---
09151600 ESE 12------- 57.0 57.7 50.9---
09151530 ESE 12------- 56.3 57.6 50.4---
09151500 ESE 12------- 55.8 55.9 49.8---
09151430 ESE 15------- 55.0 55.9 49.5---
09151400  SE 17------- 54.9 55.8 49.8---
09151330  SE 17------- 54.5 56.7 49.8---
09151300  SE 14------- 54.1 56.7 50.0---
09151230 ESE 13------- 54.0 56.7 49.8---
09151200 ESE 10------- 53.8 56.5 49.5---
09151130 --------- 53.2 56.3 48.9---
09151100 --------- 53.1 56.3 48.9---
09151030 --------- 52.9 56.1 48.7---
09151000 --------- 52.7 56.1 48.4---
09150930 --------- 53.2 56.1 48.6---
09150900 --------- 53.4 56.1 48.7---

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.