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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.

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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
2100 GMT on 07/28/2026:
     

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 - Air Temperature Air Temperature (ATMP): 68.4 °F
5-day plot - Dew Point Dew Point (DEWP): 55.2 °F
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
2026-07-28 2030--------- 70.0- 55.0---
2026-07-28 2000--------- 68.5- 54.9---
2026-07-28 1930--------- 68.4- 55.0---
2026-07-28 1900--------- 67.5- 54.5---
2026-07-28 1830--------- 68.5- 53.6---
2026-07-28 1800--------- 66.7- 54.3---
2026-07-28 1730--------- 65.5- 54.5---
2026-07-28 1700--------- 65.3- 54.5---
2026-07-28 1630--------- 65.1- 53.8---
2026-07-28 1600--------- 64.2- 54.3---
2026-07-28 1530--------- 64.4- 55.9---
2026-07-28 1500--------- 63.3- 57.4---
2026-07-28 1430--------- 62.6- 57.9---
2026-07-28 1400--------- 61.9- 57.7---
2026-07-28 1330--------- 60.6- 57.2---
2026-07-28 1300--------- 59.7- 56.7---
2026-07-28 1230--------- 59.9- 57.0---
2026-07-28 1200--------- 59.9- 57.2---
2026-07-28 1130--------- 60.3- 57.6---
2026-07-28 1100--------- 60.8- 57.9---
2026-07-28 1030--------- 60.8- 58.1---
2026-07-28 1000--------- 61.0- 58.3---
2026-07-28 0930--------- 60.8- 58.6---
2026-07-28 0900--------- 60.4- 58.8---
2026-07-28 0830--------- 60.8- 59.4---
2026-07-28 0800--------- 61.7- 60.4---
2026-07-28 0730--------- 62.1- 60.8---
2026-07-28 0700--------- 62.1- 60.8---
2026-07-28 0630--------- 62.2- 60.8---
2026-07-28 0600--------- 62.2- 60.8---
2026-07-28 0530--------- 62.6- 61.0---
2026-07-28 0500--------- 63.3- 61.3---
2026-07-28 0430--------- 64.6- 61.9---
2026-07-28 0400--------- 66.0- 63.1---
2026-07-28 0330--------- 65.7- 63.3---
2026-07-28 0300--------- 66.6- 63.9---
2026-07-28 0230--------- 66.6- 62.4---
2026-07-28 0200--------- 68.9- 63.5---
2026-07-28 0130--------- 70.2- 64.6---
2026-07-28 0100--------- 70.5- 67.1---
2026-07-28 0030--------- 70.3- 66.7---
2026-07-28 0000--------- 70.5- 66.9---
2026-07-27 2330--------- 70.0- 67.5---
2026-07-27 2300--------- 68.4- 66.7---
2026-07-27 2230--------- 67.6- 66.2---
2026-07-27 2200--------- 69.1- 67.6---