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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
1430 GMT on 09/18/2020:

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): NNE ( 30 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 10 kts
5-day plot - Air Temperature Air Temperature (ATMP): 46.8 °F
5-day plot - Water Temperature Water Temperature (WTMP): 50.0 °F
5-day plot - Dew Point Dew Point (DEWP): 35.2 °F
5-day plot - Wind Chill Wind Chill (CHILL): 41.5 °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): 10 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
09181400 NNE 11------- 47.1 50.2 35.4---
09181330  NE 13------- 46.6 50.2 33.4---
09181300 NNE 11------- 45.9 50.0 35.8---
09181230 NNE 12------- 45.7 50.0 35.1---
09181200 NNE 12------- 45.3 49.5 34.3---
09181130  N 12------- 45.0 48.9 34.0---
09181100  N 13------- 45.1 49.1 33.1---
09181030 --------- 45.1 49.1 33.3---
09181000 --------- 45.7 49.5 34.0---
09180930 NNE 12------- 46.4 49.6 33.3---
09180900 --------- 46.4 49.8 32.4---
09180830 NNE 16------- 46.4 49.8 32.5---
09180800  N 16------- 46.2 49.8 33.6---
09180730  N 17------- 46.6 50.0 34.3---
09180700  N 19------- 46.8 50.2 34.0---
09180630  N 20------- 46.9 50.4 34.0---
09180600 --------- 46.8 50.4 35.2---
09180530  N 15------- 46.4 50.0 35.6---
09180500 NNW 14------- 46.6 50.4 35.1---
09180430 NNW 12------- 46.6 50.9 34.9---
09180400 NNW 13------- 46.2 50.5 34.0---
09180330 NNW 15------- 46.0 50.9 33.1---
09180300 --------- 46.2 50.5 32.5---
09180230  NW 18------- 46.6 50.9 32.7---
09180200  NW 18------- 47.1 51.1 33.3---
09180130 NNW 19------- 47.5 51.4 32.9---
09180100 NNW 19------- 48.0 51.8 33.1---
09180030 NNW 19------- 48.9 52.3 32.2---
09180000 NNW 19------- 49.6 52.9 32.0---
09172330 NNW 19------- 50.9 53.8 33.4---
09172300 NNW 17------- 51.8 54.3 33.4---
09172230 NNW 15------- 52.5 55.2 34.3---
09172200  W 13------- 53.1 56.3 36.1---
09172130  W 12------- 53.1 55.4 35.1---
09172100 WSW 7------- 52.7 55.2 33.1---
09172030 SSW 8------- 52.0 54.9 31.3---
09172000 SSW 7------- 51.3 54.5 30.7---
09171930  SW 7------- 50.9 54.1 30.2---
09171900  SW 4------- 51.3 54.3 29.3---
09171830 SSW 4------- 50.4 53.8 29.1---
09171800  SW 4------- 50.2 53.8 28.6---
09171730 SSW 3------- 50.2 54.9 30.0---
09171700 SSW 2------- 50.4 55.8 30.4---

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.