Station List

Hurricane Symbol View the latest observations near East Pacific Tropical Storm Erick.

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
0800 GMT on 06/18/2025:
     

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): 57.7 °F
5-day plot - Dew Point Dew Point (DEWP): 54.9 °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
2025-06-18 0730ESE 3------- 58.3- 55.0---
2025-06-18 0700ENE 5------- 58.8- 55.0---
2025-06-18 0630NNE 6------- 59.5- 55.4---
2025-06-18 0600 N 7------- 59.5- 55.6---
2025-06-18 0530 N 6------- 59.5- 55.8---
2025-06-18 0500 N 5------- 59.4- 55.8---
2025-06-18 0430 N 4------- 59.7- 55.8---
2025-06-18 0400 N 5------- 59.9- 55.8---
2025-06-18 0330 N 7------- 60.4- 55.8---
2025-06-18 0300--------- 61.2- 55.9---
2025-06-18 0230NNE 5------- 62.6- 56.5---
2025-06-18 0200--------- 63.9- 56.7---
2025-06-18 0130 NW 4------- 66.7- 57.4---
2025-06-18 0100WNW 4------- 67.5- 57.7---
2025-06-18 0030 NW 5------- 67.1- 57.7---
2025-06-18 0000 NW 6------- 67.1- 57.9---
2025-06-17 2330 W 6------- 65.8- 57.9---
2025-06-17 2300WNW 6------- 65.7- 57.4---
2025-06-17 2230 NW 6------- 65.3- 57.4---
2025-06-17 2200NNW 8------- 66.6- 57.7---
2025-06-17 2130NNW 10------- 65.5- 57.7---
2025-06-17 2100 NW 15------- 64.0- 58.6---
2025-06-17 2030WNW 18------- 63.3- 58.3---
2025-06-17 2000 W 23------- 64.2- 58.6---
2025-06-17 1930 W 25------- 64.4- 58.8---
2025-06-17 1900 W 25------- 64.0- 58.6---
2025-06-17 1830WNW 22------- 63.9- 59.0---
2025-06-17 1800WNW 14------- 67.5- 60.8---
2025-06-17 1730WSW 16------- 70.9- 62.6---
2025-06-17 1700 SW 16------- 70.3- 61.5---
2025-06-17 1630SSW 10------- 69.3- 61.3---
2025-06-17 1600 S 16------- 70.5- 62.4---
2025-06-17 1530 S 13------- 68.0- 60.8---
2025-06-17 1500 S 16------- 70.9- 60.8---
2025-06-17 1400 S 19------- 71.8- 59.5---
2025-06-17 1330 S 20------- 71.2- 59.4---
2025-06-17 1300 S 20------- 69.1- 58.5---
2025-06-17 1230 S 20------- 67.8- 57.9---
2025-06-17 1200SSE 18------- 67.5- 57.4---
2025-06-17 1130SSE 17------- 64.8- 56.1---
2025-06-17 1100 SE 16------- 63.1- 55.2---
2025-06-17 1030SSE 17------- 64.4- 55.2---
2025-06-17 1000SSE 17------- 65.3- 55.0---
2025-06-17 0930 SE 17------- 65.8- 55.0---
2025-06-17 0900SSE 17------- 66.4- 55.0---