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

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
2300 GMT on 02/07/2026:
     

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): NW ( 320 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 18 kts
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 16 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
2026-02-07 2230 NW 17-------------
2026-02-07 2200WNW 18-------------
2026-02-07 2130WNW 17-------------
2026-02-07 2100WNW 18-------------
2026-02-07 2030WNW 19-------------
2026-02-07 2000WNW 20-------------
2026-02-07 1930WNW 21-------------
2026-02-07 1900WNW 20-------------
2026-02-07 1830WNW 19-------------
2026-02-07 1800 NW 23-------------
2026-02-07 1730WNW 23-------------
2026-02-07 1700WNW 20-------------
2026-02-07 1630 NW 18-------------
2026-02-07 1600 NW 20-------------
2026-02-07 1530NNW 21-------------
2026-02-07 1500 NW 20-------------
2026-02-07 1430NNW 20-------------
2026-02-07 1400 NW 21-------------
2026-02-07 1330NNW 21-------------
2026-02-07 1300NNW 20-------------
2026-02-07 1230 NW 20-------------
2026-02-07 1200NNW 20-------------
2026-02-07 1130NNW 20-------------
2026-02-07 1100NNW 22-------------
2026-02-07 1030 NW 22-------------
2026-02-07 1000 NW 22-------------
2026-02-07 0930 NW 22-------------
2026-02-07 0900 NW 20-------------
2026-02-07 0830 NW 21-------------
2026-02-07 0800NNW 20-------------
2026-02-07 0730NNW 20-------------
2026-02-07 0700NNW 20-------------
2026-02-07 0630NNW 18-------------
2026-02-07 0600NNW 18-------------
2026-02-07 0530NNW 21-------------
2026-02-07 0500NNW 22-------------
2026-02-07 0430NNW 26-------------
2026-02-07 0400NNW 26-------------
2026-02-07 0330NNW 26-------------
2026-02-07 0300NNW 26-------------
2026-02-07 0230NNW 27-------------
2026-02-07 0200NNW 29-------------
2026-02-07 0130NNW 29-------------
2026-02-07 0100NNW 31-------------
2026-02-07 0030 NW 33-------------
2026-02-07 0000 NW 34-------------