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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
1830 GMT on 11/23/2020:
     

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): 28 kts
5-day plot - Air Temperature Air Temperature (ATMP): 31.3 °F
5-day plot - Water Temperature Water Temperature (WTMP): 39.0 °F
5-day plot - Dew Point Dew Point (DEWP): 24.4 °F
5-day plot - Ice Accretion Ice Accretion (ICE): 0.00 in per hour
5-day plot - Wind Chill Wind Chill (CHILL): 16.2 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 25 kts
5-day plot - Wind Speed at 10 Meters Wind Speed at 20 meters (WSPD20M): 27 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
11231800 WNW 29------- 31.5 39.2 24.8---
11231730 WNW 29------- 31.6 39.2 25.7---
11231700 WNW 30------- 31.6 39.2 25.5---
11231630 WNW 31------- 32.4 39.6 25.7---
11231600 WNW 32------- 32.5 39.7 26.2---
11231530 WNW 32------- 33.1 39.9 27.0---
11231500 WNW 31------- 33.8 40.3 27.9---
11231430 WNW 30------- 34.9 40.6 28.9---
11231400 WNW 30------- 35.6 40.8 30.0---
11231330 WNW 29------- 36.0 41.2 30.7---
11231300 WNW 27------- 36.5 41.4 31.6---
11231230  W 23------- 36.7 41.4 32.0---
11231200  W 21------- 36.5 41.2 31.6---
11231130  W 21------- 36.3 41.0 31.1---
11231100  W 21------- 36.0 41.0 30.6---
11231030  W 19------- 35.8 40.8 30.2---
11231000  W 19------- 36.1 41.2 30.9---
11230930  W 16------- 36.1 41.4 32.5---
11230900  SW 18------- 35.8 41.2 32.2---
11230830 SSW 17------- 36.0 41.2 30.7---
11230800  S 14------- 36.1 41.2 30.0---
11230730  S 13------- 36.0 41.0 30.0---
11230700  S 14------- 36.1 41.2 29.8---
11230630  S 13------- 36.3 41.2 31.5---
11230600  S 15------- 35.4 40.8 31.3---
11230530  S 17------- 35.1 40.6 30.7---
11230500  S 20------- 36.5 41.0 28.6---
11230430  S 19------- 36.9 41.0 28.6---
11230400  S 19------- 36.9 40.5 28.8---
11230330  S 19------- 36.9 40.6 28.6---
11230300  S 18------- 36.9 40.5 28.8---
11230230  S 18------- 37.0 40.5 29.1---
11230200  S 17------- 37.2 40.5 28.8---
11230130  S 15------- 37.4 40.8 28.8---
11230100  S 14------- 37.6 41.0 28.6---
11230030  S 13------- 37.8 40.6 28.0---
11230000  S 14------- 37.8 40.5 27.7---
11222330  S 14------- 37.9 40.6 27.9---
11222300  S 12------- 37.9 40.1 28.0---
11222230  S 12------- 37.9 40.1 28.0---
11222200  S 13------- 38.1 41.0 28.0---
11222130  S 13------- 38.1 41.0 28.2---
11222100  S 13------- 38.3 41.0 28.4---
11222030 SSE 13------- 38.5 40.8 27.7---
11222000 SSE 10------- 39.0 40.8 29.3---
11221930 SSE 12------- 38.5 40.5 29.5---
11221900 SSE 12------- 38.5 40.6 29.1---

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.