Station List

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

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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
0800 GMT on 04/23/2024:
     

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): SW ( 220 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 19 kts
5-day plot - Air Temperature Air Temperature (ATMP): 47.3 °F
5-day plot - Dew Point Dew Point (DEWP): 38.8 °F
5-day plot - Wind Chill Wind Chill (CHILL): 39.7 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 17 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 17 kts
Previous observations
TIME
(GMT)		 5-day plot - Wind Direction
WDIR
 		 5-day plot - Wind Speed
WSPD
kts		 5-day plot - Wind Gust
GST
kts		 5-day plot - Wave Height
WVHT
ft		 5-day plot - Dominant Wave Period
DPD
sec		 5-day plot - Average Wave Period
APD
sec		 5-day plot - Mean Wave Direction
MWD
 		 5-day plot - Atmospheric Pressure
PRES
in		 5-day plot - Pressure Tendency
PTDY
in		 5-day plot - Air Temperature
ATMP
°F		 5-day plot - Water Temperature
WTMP
°F		 5-day plot - Dew Point
DEWP
°F		 5-day plot - Salinity
SAL
psu		 5-day plot - Visibility
VIS
nmi		 5-day plot - Tide (above MLLW)
TIDE
ft
2024-04-23 0730WSW 24------- 48.7- 37.2---
2024-04-23 0700WSW 21------- 49.6- 35.4---
2024-04-23 0630 SW 18------- 49.3- 31.1---
2024-04-23 0600 S 15------- 50.2- 27.9---
2024-04-23 0530 S 20------- 52.9- 24.6---
2024-04-23 0500 S 22------- 53.2- 24.1---
2024-04-23 0430 S 20------- 53.4- 23.9---
2024-04-23 0400 S 21------- 54.0- 23.9---
2024-04-23 0330 S 21------- 54.7- 23.2---
2024-04-23 0300 S 20------- 56.5- 21.4---
2024-04-23 0230 S 18------- 56.1- 21.7---
2024-04-23 0200SSE 18------- 54.1- 23.5---
2024-04-23 0130SSE 15------- 52.9- 24.6---
2024-04-23 0100 SE 15------- 47.5- 28.8---
2024-04-23 0030 SE 16------- 47.3- 29.5---
2024-04-23 0000 S 16------- 52.9- 26.1---
2024-04-22 2330 SW 22------- 57.0- 22.1---
2024-04-22 2300 SW 22------- 57.7- 20.5---
2024-04-22 2230 SW 25------- 55.9- 22.6---
2024-04-22 2200WSW 21------- 55.6- 25.7---
2024-04-22 2130WSW 23------- 54.7- 26.4---
2024-04-22 2100WSW 18------- 55.6- 26.4---
2024-04-22 2030WSW 18------- 55.0- 26.2---
2024-04-22 2000WSW 19------- 54.5- 25.9---
2024-04-22 1930WSW 12------- 51.4- 27.9---
2024-04-22 1900 NW 7------- 48.9- 28.0---
2024-04-22 1830NNW 10------- 48.2- 27.3---
2024-04-22 1800WNW 10------- 51.3- 24.1---
2024-04-22 1730 W 15------- 52.0- 25.0---
2024-04-22 1700 SW 8------- 49.3- 27.1---
2024-04-22 1630 S 4------- 47.8- 27.7---
2024-04-22 1600SSE 5------- 46.6- 28.0---
2024-04-22 1530SSE 8------- 42.6- 29.3---
2024-04-22 1500 SE 9------- 41.5- 28.4---
2024-04-22 1430 S 11------- 40.6- 23.7---
2024-04-22 1400 S 12------- 38.8- 25.0---
2024-04-22 1330 S 12------- 38.3- 25.2---
2024-04-22 1300 S 10------- 37.2- 26.1---
2024-04-22 1230 S 9------- 36.3- 25.0---
2024-04-22 1200SSE 10------- 36.0- 23.4---
2024-04-22 1130 S 12------- 36.5- 23.9---
2024-04-22 1100SSE 14------- 37.2- 23.9---
2024-04-22 1030 S 18------- 36.1- 25.9---
2024-04-22 1000 S 16------- 35.6- 27.5---
2024-04-22 0930 S 11------- 36.0- 28.6---
2024-04-22 0900 S 9------- 36.7- 28.4---