Station List

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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

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Conditions at SRLM4 as of
1800 GMT on 04/02/2025:
     

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): 28.6 °F
5-day plot - Dew Point Dew Point (DEWP): 26.4 °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
2025-04-02 1730--------- 29.1- 25.3---
2025-04-02 1700--------- 30.6- 23.5---
2025-04-02 1630--------- 30.4- 23.4---
2025-04-02 1600--------- 30.9- 22.6---
2025-04-02 1530--------- 31.3- 22.5---
2025-04-02 1500--------- 31.5- 22.5---
2025-04-02 1430--------- 31.6- 22.3---
2025-04-02 1400--------- 31.8- 22.1---
2025-04-02 1330--------- 31.8- 21.4---
2025-04-02 1300--------- 31.8- 21.7---
2025-04-02 1230--------- 31.8- 21.9---
2025-04-02 1200--------- 31.8- 21.9---
2025-04-02 1130ESE 21------- 31.6- 22.5---
2025-04-02 1100ESE 20------- 31.6- 22.3---
2025-04-02 1030ESE 20------- 31.6- 21.7---
2025-04-02 1000ESE 19------- 31.5- 21.0---
2025-04-02 0930ESE 19------- 31.3- 20.3---
2025-04-02 0900ESE 20------- 30.9- 20.3---
2025-04-02 0830ESE 19------- 30.9- 19.6---
2025-04-02 0800--------- 30.9- 18.9---
2025-04-02 0730ESE 19------- 30.9- 18.3---
2025-04-02 0700ESE 17------- 30.7- 17.6---
2025-04-02 0630ESE 16------- 30.6- 16.3---
2025-04-02 0600ESE 16------- 30.6- 15.3---
2025-04-02 0530ESE 15------- 30.0- 17.6---
2025-04-02 0500ESE 15------- 29.7- 17.1---
2025-04-02 0430ESE 14------- 29.3- 18.0---
2025-04-02 0400ESE 16------- 28.9- 16.3---
2025-04-02 0330ESE 15------- 28.4- 17.1---
2025-04-02 0300ESE 15------- 28.0- 17.4---
2025-04-02 0230ESE 15------- 27.9- 16.5---
2025-04-02 0200 SE 14------- 28.0- 16.5---
2025-04-02 0130ESE 14------- 28.2- 15.4---
2025-04-02 0100ESE 14------- 28.2- 15.8---
2025-04-02 0030--------- 28.2- 16.2---
2025-04-02 0000--------- 28.4- 15.4---
2025-04-01 2330--------- 28.2- 14.5---
2025-04-01 2300--------- 28.2- 15.8---
2025-04-01 2230--------- 28.2- 15.4---
2025-04-01 2200--------- 28.8- 14.7---
2025-04-01 2130--------- 30.4- 14.7---
2025-04-01 2100--------- 30.4- 17.4---
2025-04-01 2030--------- 29.8- 16.3---
2025-04-01 2000--------- 28.8- 14.4---
2025-04-01 1930--------- 28.4- 13.3---
2025-04-01 1900--------- 28.2- 12.2---