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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
1800 GMT on 08/17/2019:

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): W ( 270 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 12 kts
5-day plot - Air Temperature Air Temperature (ATMP): 66.4 °F
5-day plot - Water Temperature Water Temperature (WTMP): 67.8 °F
5-day plot - Dew Point Dew Point (DEWP): 61.2 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 12 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
08171730  W 15------- 66.0 67.6 61.5---
08171700  W 18------- 66.0 67.8 61.9---
08171630  W 18------- 66.4 68.5 62.4---
08171600  W 16------- 66.4 68.9 63.0---
08171530  W 12------- 66.4 68.7 62.6---
08171500  W 10------- 66.0 68.9 62.2---
08171430  SW 9------- 66.0 68.9 61.9---
08171400  S 9------- 65.8 68.9 61.9---
08171330  S 8------- 65.8 68.9 61.7---
08171300 SSE 5------- 65.8 68.9 61.5---
08171230 SSE 5------- 65.7 68.5 61.5---
08171200 SSE 7------- 65.5 68.2 61.3---
08171130 SSE 8------- 65.5 67.8 61.2---
08171100  S 8------- 65.5 68.2 61.2---
08171030  S 9------- 65.7 68.4 61.2---
08171000  S 11------- 65.7 68.5 61.0---
08170930  S 14------- 65.8 68.4 60.8---
08170900 SSE 14------- 66.4 68.5 60.4---
08170830 --------- 66.7 68.7 60.4---
08170800 --------- 65.7 68.2 61.5---
08170730 --------- 65.1 67.8 61.9---
08170700 --------- 64.9 67.5 61.7---
08170630 --------- 65.7 67.6 61.7---
08170600 SSE 14------- 66.9 68.2 60.8---
08170530  SE 19------- 67.6 68.7 60.8---
08170500  SE 17------- 67.6 68.7 61.0---
08170430  SE 17------- 67.3 68.5 61.2---
08170400  SE 15------- 67.1 68.5 61.5---
08170330  SE 15------- 67.1 68.2 61.7---
08170300  SE 13------- 67.3 67.8 62.1---
08170230  SE 14------- 67.5 67.5 61.5---
08170200  SE 18------- 67.5 68.4 62.1---

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.