Station List

Station 45028 - Western Lake Superior Image indicating link to RSS feed of recent meteorological observations for station 45028

Owned and maintained by University of Minnesota, Duluth
Buoy
46.814 N 91.829 W (46°48'51" N 91°49'43" W)

Site elevation: 183 m above mean sea level
Air temp height: 3 m above site elevation
Anemometer height: 3 m above site elevation
Barometer elevation: 2.5 m above mean sea level
Sea temp depth: 1 m below water line
Water depth: 49 m

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 45028

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Station 45028

Conditions at 45028 as of
(4:40 pm CDT)
2140 GMT on 06/12/2026:
     

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):WSW ( 250 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 13.6 kts
5-day plot - Wave Height Wave Height (WVHT): 1.3 ft
5-day plot - Dominant Wave Period Dominant Wave Period (DPD): 3 sec
5-day plot - Mean Wave Direction Mean Wave Direction (MWD): NW ( 311 deg true )
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.70 in
5-day plot - Air Temperature Air Temperature (ATMP): 60.3 °F
5-day plot - Water Temperature Water Temperature (WTMP): 45.5 °F
5-day plot - Dew Point Dew Point (DEWP): 49.3 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 17.5 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 17.5 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Previous observations
TIME
(CDT)		 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
2026-06-12 04:30 pmWSW 15.5- 1.3 3- NW29.70- 59.7 45.5 49.3---
2026-06-12 04:20 pmWSW 13.6- 1.3 3- NW29.70- 59.9 45.7 49.5---
2026-06-12 04:10 pmWSW 13.6- 1.3 3- NW29.70- 59.2 45.7 49.6---
2026-06-12 03:50 pmWSW 9.7- 1.6 3-WNW29.70- 56.5 45.7 49.1---
2026-06-12 03:40 pmWSW 13.6- 1.6 3-WNW29.70- 58.1 45.7 49.1---
2026-06-12 03:30 pmWSW 13.6- 1.3 3-WNW29.70- 58.5 45.7 49.5---
2026-06-12 03:20 pm W 11.7- 1.6 3-WNW29.70- 57.4 45.7 48.9---
2026-06-12 03:10 pm W 13.6- 1.6 3- NW29.70- 57.9 45.7 49.1---
2026-06-12 03:00 pm W 15.5- 1.6 3- NW29.70- 59.4 45.7 49.5---
2026-06-12 11:30 am W 9.7- 1.0 3- W29.69- 57.2 47.8 52.2---
Wave Summary
for 45028 as of (4:40 pm CDT)
2140 GMT on 06/12/2026:

These wave data are displayed in rounded times.

     

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 - Significant Wave Height Significant Wave Height (WVHT): 1.3 ft
Previous observations
TIME
(CDT)		 5-day plot - Wave Height
WVHT
ft		 5-day plot - Swell Height
SwH
ft		 5-day plot - Swell Period
SwP
sec		 5-day plot - Swell Direction
SwD
 		 5-day plot - Wind Wave Height
WWH
ft		 5-day plot - Wind Wave Period
WWP
sec		 5-day plot - Wind Wave Direction
WWD
 		 5-day plot - Wave Steepness
STEEPNESS
 		 5-day plot - Average Wave Period
APD
sec
2026-06-12 04:30 pm 1.3------ N/A-
2026-06-12 04:20 pm 1.3------ N/A-
2026-06-12 04:10 pm 1.3------ N/A-
2026-06-12 03:50 pm 1.6------ N/A-
2026-06-12 03:40 pm 1.6------ N/A-
2026-06-12 03:30 pm 1.3------ N/A-
2026-06-12 03:20 pm 1.6------ N/A-
2026-06-12 03:10 pm 1.6------ N/A-
2026-06-12 03:00 pm 1.6------ N/A-
2026-06-12 11:30 am 1.0------ N/A-
Ocean Conditions at 45028 as of
(4:40 pm CDT)
2140 GMT on 06/12/2026:

These oceanographic data are displayed in rounded times.

     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

Depth (DEPTH): 16.4 ft
5-day plot - Ocean Temperature Ocean Temperature (OTMP):44.38 °F
Previous observations
TIME
(CDT)		 DEPTH
ft		 5-day plot - Ocean Temperature
OTMP
°F		 5-day plot - Conductivity
COND
mS/cm		 5-day plot - Salinity
SAL
psu		 5-day plot - Oxygen Saturation
O2%
%		 5-day plot - Oxygen Concentration
O2PPM
ppm		 5-day plot - Chlorophyll
CLCON
ug/l		 5-day plot - Turbidity
TURB
FTU		 5-day plot - pH
PH
 		 5-day plot - Eh
EH
mV
2026-06-12 04:30 pm 16.444.38--------
2026-06-12 04:20 pm 16.444.38--------
2026-06-12 04:10 pm 16.444.38--------
2026-06-12 03:50 pm 16.444.38--------
2026-06-12 03:40 pm 16.444.38--------
2026-06-12 03:30 pm 16.444.38--------
2026-06-12 03:20 pm 16.444.38--------
2026-06-12 03:10 pm 16.444.38--------
2026-06-12 03:00 pm 16.444.38--------
2026-06-12 11:30 am 16.444.38--------
Solar Radiation Conditions at 45028 as of
(4:40 pm CDT)
2140 GMT on 06/12/2026:
     

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 - Short Wave Radiation 1 Short Wave Radiation 1 (SRAD1): 503.9watts/meter2
Previous observations
TIME
(CDT)		 5-day plot - Short Wave Radiation 1
SRAD1
w/m2		 5-day plot - Short Wave Radiation 2
SRAD2
w/m2		 5-day plot - Long Wave Radiation
LRAD
w/m2
2026-06-12 04:30 pm 670.8--
2026-06-12 04:20 pm 664.7--
2026-06-12 04:10 pm 505.6--
2026-06-12 03:50 pm 636.6--
2026-06-12 03:40 pm 737.0--
2026-06-12 03:30 pm 725.4--
2026-06-12 03:20 pm 198.8--
2026-06-12 03:10 pm 733.4--
2026-06-12 03:00 pm 539.9--
2026-06-12 11:30 am 541.6--