Station List

Hurricane Symbol View the latest observations near Atlantic Tropical Storm Philippe and Atlantic Tropical Storm Rina.

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
1200 GMT on 09/29/2023:
     

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): W ( 260 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 2 kts
5-day plot - Air Temperature Air Temperature (ATMP): 58.5 °F
5-day plot - Dew Point Dew Point (DEWP): 55.9 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 2 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 2 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
2023-09-29 1130WSW 4------- 58.6- 55.9---
2023-09-29 1100 SW 4------- 59.0- 56.1---
2023-09-29 1030SSW 4------- 59.5- 56.3---
2023-09-29 1000SSE 4------- 59.7- 56.3---
2023-09-29 0930 SE 5------- 59.5- 56.1---
2023-09-29 0900ESE 4------- 59.7- 56.3---
2023-09-29 0830ESE 5------- 59.7- 56.1---
2023-09-29 0800 SE 6------- 59.7- 55.9---
2023-09-29 0730 SE 5------- 59.7- 55.9---
2023-09-29 0700 SE 6------- 59.7- 56.1---
2023-09-29 0630 SE 7------- 59.7- 55.9---
2023-09-29 0600 SE 6------- 59.7- 55.9---
2023-09-29 0530 SE 8------- 59.9- 55.9---
2023-09-29 0500 SE 9------- 59.9- 55.8---
2023-09-29 0430 SE 9------- 60.1- 55.9---
2023-09-29 0400ESE 8------- 60.1- 55.6---
2023-09-29 0330ESE 7------- 60.1- 55.8---
2023-09-29 0300ESE 7------- 60.3- 55.9---
2023-09-29 0230ESE 8------- 60.3- 55.8---
2023-09-29 0200ESE 9------- 60.4- 55.4---
2023-09-29 0130ESE 10------- 60.4- 55.6---
2023-09-29 0100ESE 11------- 60.4- 55.8---
2023-09-29 0030ESE 14------- 60.4- 55.8---
2023-09-29 0000ESE 15------- 60.6- 56.1---
2023-09-28 2330ESE 14------- 61.0- 56.3---
2023-09-28 2300ESE 13------- 61.9- 55.9---
2023-09-28 2230ESE 12------- 63.0- 55.4---
2023-09-28 2200ESE 12------- 63.7- 55.4---
2023-09-28 2130 E 13------- 63.9- 55.4---
2023-09-28 2100 E 13------- 63.9- 55.4---
2023-09-28 2030 E 13------- 63.9- 55.8---
2023-09-28 2000 E 16------- 63.3- 55.2---
2023-09-28 1930 E 17------- 63.0- 55.2---
2023-09-28 1900 E 17------- 62.4- 55.6---
2023-09-28 1830 E 16------- 62.2- 55.9---
2023-09-28 1800 E 17------- 62.1- 55.8---
2023-09-28 1730 E 17------- 62.1- 55.4---
2023-09-28 1700 E 18------- 61.9- 55.4---
2023-09-28 1630 E 16------- 61.3- 55.2---
2023-09-28 1600 E 16------- 61.0- 54.9---
2023-09-28 1530 E 15------- 60.8- 55.0---
2023-09-28 1500 E 16------- 60.4- 54.9---
2023-09-28 1430 E 16------- 59.9- 54.7---
2023-09-28 1400 E 16------- 59.9- 54.7---
2023-09-28 1330 E 15------- 59.9- 54.9---
2023-09-28 1300ENE 15------- 59.7- 54.7---