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®
    VOS
    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.

The NDBC website is now available only via HTTPS. Please update your bookmarks and/or links to use https://www.ndbc.noaa.gov/.

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.

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
1600 GMT on 07/20/2018:
     

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): E ( 90 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 20 kts
5-day plot - Air Temperature Air Temperature (ATMP): 66.6 °F
5-day plot - Water Temperature Water Temperature (WTMP): 68.7 °F
5-day plot - Dew Point Dew Point (DEWP): 60.1 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 17 kts
5-day plot - Wind Speed at 10 Meters Wind Speed at 20 meters (WSPD20M): 19 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
07201530  E 20------- 66.6 68.5 60.4---
07201500  E 18------- 66.6 68.2 61.3---
07201430  E 16------- 66.7 68.0 62.4---
07201400 ESE 13------- 67.6 68.2 62.4---
07201330 ESE 12------- 68.4 68.9 61.0---
07201300 ESE 12------- 67.8 68.4 60.4---
07201230 ESE 14------- 67.5 68.4 60.4---
07201200 ESE 14------- 67.5 68.4 60.4---
07201130  SE 18------- 67.6 68.5 60.3---
07201100  SE 13------- 67.8 68.9 61.0---
07201030  SE 13------- 68.5 69.4 60.6---
07201000  SE 13------- 68.7 69.3 60.3---
07200930 SSE 13------- 68.9 69.4 60.1---
07200900 SSE 13------- 69.1 69.4 60.3---
07200830 SSE 15------- 69.1 68.9 60.3---
07200800 SSE 17------- 69.3 69.1 60.4---
07200730 SSE 17------- 69.3 68.7 60.4---
07200700 SSE 15------- 69.3 68.4 60.1---
07200630 SSE 15------- 69.6 68.5 59.4---
07200600 SSE 15------- 69.6 68.5 59.5---
07200530 SSE 15------- 69.4 68.5 60.1---
07200500 SSE 14------- 69.3 68.4 60.6---
07200430 SSE 16------- 70.0 68.5 60.4---
07200400 SSE 17------- 69.6 68.5 61.0---
07200330  SE 13------- 69.6 68.4 62.6---
07200300 SSE 10------- 70.9 68.7 62.2---
07200230 SSE 12------- 71.4 69.1 61.9---
07200200  SE 18------- 70.9 69.1 60.8---
07200130  E 12------- 70.3 68.7 60.4---
07200100  E 12------- 70.2 68.7 61.5---
07200030  E 12------- 70.9 68.9 61.5---
07200000  E 13------- 71.2 69.1 61.0---
07192330  E 12------- 71.2 69.3 60.8---
07192300  E 12------- 70.5 69.3 61.0---
07192230  E 15------- 70.0 69.3 60.4---
07192200  E 15------- 69.1 69.1 60.4---
07192130 ENE 14------- 69.1 69.1 59.0---
07192100 ENE 13------- 68.9 68.5 58.8---
07192030  E 14------- 69.3 68.5 59.0---
07192000  E 14------- 69.3 68.5 59.4---
07191930  E 14------- 69.1 68.5 57.7---
07191900  E 14------- 68.7 68.4 58.1---
07191830  E 12------- 68.4 68.0 58.6---
07191800  E 11------- 68.2 67.8 58.3---
07191730  E 9------- 68.0 67.6 57.0---
07191700  E 8------- 67.8 67.6 54.0---
07191630  E 6------- 68.4 67.6 53.8---
07191600  E 3------- 67.3 67.3 53.1---

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.