Skip Navigation Links weather.gov 
NOAA logo-Select to go to the NOAA homepage NDBC Title GraphicClick to go to NDBC home page   Select to go to the NWS homepage
Home About Us Contact Us
 
 
    
    Station List

 Data Access
    Mobile Access
    Classic Maps
         Recent
         DART®
    Obs Search
    Ship Obs Report
    BuoyCAMs
    TAO
    DODS
    OceanSITES
    HF Radar
    OSMC
    Dial-A-Buoy
    RSS Feeds Image indicating link to RSS feed access page
    Web Widget
    Email Access
    Web Data Guide
    Maintenance Schedule
    Station Status Report

 Program Info
    TAO
    DART®
    IOOS®

 Publications
    NDBC PEA
    NDBC FONSI
    NDBC DQC Handbook

 FAQ
 Visitor Information
 
USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.

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
1530 GMT on 02/22/2019:

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): SW ( 230 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 9 kts
5-day plot - Air Temperature Air Temperature (ATMP): 27.5 °F
5-day plot - Dew Point Dew Point (DEWP): 18.3 °F
5-day plot - Wind Chill Wind Chill (CHILL): 18.0 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 8 kts
5-day plot - Wind Speed at 10 Meters Wind Speed at 20 meters (WSPD20M): 8 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
02221500 WSW 10------- 27.3- 18.7---
02221430 WSW 10------- 27.3- 19.2---
02221400  SW 8-------------
02221330 WSW 9------- 27.3- 17.8---
02221300 WSW 9------- 27.1- 18.5---
02221230  W 10-------------
02221200  W 10------- 27.3- 20.3---
02221130  W 10------- 28.0- 19.0---
02221100  W 10------- 28.2- 18.5---
02221030 WNW 12-------------
02221000 WNW 13------- 28.2- 18.9---
02220930 WNW 14------- 28.4- 19.2---
02220900 WNW 13------- 28.0- 21.4---
02220830 WNW 12------- 28.0- 21.4---
02220800 WNW 11------- 28.0- 20.7---
02220730 WNW 13------- 28.0- 20.3---
02220700 WNW 13------- 28.2- 19.9---
02220630 WNW 13------- 28.2- 18.5---
02220600 WNW 15------- 28.0- 19.0---
02220530  W 14------- 28.0- 19.2---
02220500  W 15------- 27.9- 19.4---
02220430 WNW 14------- 28.2- 18.9---
02220400 WNW 15------- 28.0- 20.3---
02220330 WNW 16------- 27.9- 20.7---
02220300 WNW 17------- 28.0- 21.2---
02220230 WNW 17------- 28.6- 21.9---
02220200  W 16------- 29.1- 22.5---
02220130  W 15------- 28.9- 22.3---
02220100  W 15------- 28.9- 22.8---
02220030 WSW 15------- 28.9- 23.5---
02220000 WSW 16------- 28.9 31.5 23.7---
02212330  W 16------- 28.9 31.5 24.1---
02212230  W 18------- 29.1- 23.5---
02212200  W 19------- 29.3- 23.0---
02212130  W 20-------------
02212100  W 19------- 29.5 31.5 22.3---
02212030 ---------- 31.5----
02212000 WSW 20------- 30.0- 22.1---
02211930 WSW 22-------------
02211900  W 23------- 29.1- 21.9---
02211830  W 24------- 28.6- 21.7---
02211800  W 23------- 28.6- 22.1---

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.