Station List

Station 45170 - Michigan City Buoy, IN Image indicating link to RSS feed of recent meteorological observations for station 45170

Owned and maintained by Illinois-Indiana Sea Grant and Purdue Civil Engineering
Buoy
41.755 N 86.968 W (41°45'18" N 86°58'5" W)

Site elevation: 177 m above mean sea level
Air temp height: 1 m above site elevation
Anemometer height: 1.5 m above site elevation
Sea temp depth: 1 m below water line
Water depth: 19 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 45170

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Station 45170

Conditions at 45170 as of
(8:00 am CDT)
1300 GMT on 07/13/2026:
     

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): S ( 190 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 7.8 kts
5-day plot - Wind Gust Wind Gust (GST): 11.7 kts
5-day plot - Wave Height Wave Height (WVHT): 0.3 ft
5-day plot - Mean Wave Direction Mean Wave Direction (MWD): N ( 11 deg true )
5-day plot - Air Temperature Air Temperature (ATMP): 72.9 °F
5-day plot - Water Temperature Water Temperature (WTMP): 75.0 °F
5-day plot - Dew Point Dew Point (DEWP): 69.1 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 9.7 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 9.7 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
2026-07-13 07:50 amSSE 3.9 3.9 0.3-- N-- 73.0 75.0 68.9---
2026-07-13 07:40 am SE 3.9 3.9 0.3-- N-- 73.2 75.0 68.7---
2026-07-13 07:30 am SE 3.9 3.9 0.3-- NW-- 73.2 75.0 68.7---
2026-07-13 07:20 amSSE 3.9 3.9 0.3-- N-- 72.7 75.0 68.4---
2026-07-13 07:10 am SE 3.9 5.8 0.3-- N-- 72.7 75.0 68.2---
2026-07-13 07:00 amESE 3.9 3.9 0.3--NNE-- 72.7 75.0 68.2---
2026-07-13 06:50 amSSE 5.8 5.8 0.3-- N-- 72.1 74.8 67.8---
2026-07-13 06:40 amSSE 5.8 7.8 0.3-- N-- 72.7 75.0 68.4---
2026-07-13 06:30 amESE 3.9 5.8 0.3-- N-- 74.3 75.0 70.9---
2026-07-13 06:20 am E 1.9 3.9 0.3-- N-- 74.3 75.0 71.1---
2026-07-13 06:10 am E 1.9 3.9 0.3-- N-- 73.9 75.0 70.7---
2026-07-13 06:00 amENE 3.9 3.9 0.3-- E-- 73.6 75.0 70.5---
2026-07-13 05:50 amENE 3.9 3.9 0.3-- N-- 73.4 74.8 70.5---
2026-07-13 05:40 amENE 1.9 3.9 0.3--NNE-- 73.2 74.8 70.3---
2026-07-13 05:30 am NE 1.9 3.9 0.3-- NE-- 73.0 74.8 70.3---
2026-07-13 05:20 am NE 1.9 3.9 0.3-- N-- 72.9 74.8 70.2---
2026-07-13 05:10 am NE 1.9 3.9 0.3-- N-- 72.7 74.8 69.8---
2026-07-12 05:10 pmNNW 9.7 11.7 1.3 2- NE-- 75.9 75.6 68.5---
2026-07-12 05:00 pm N 9.7 11.7 1.3 3- NE-- 76.1 75.6 68.4---
2026-07-12 04:50 pm N 9.7 13.6 1.3 3- NE-- 76.1 75.7 67.8---
2026-07-12 04:40 pm N 9.7 13.6 1.3 2- NE-- 76.3 75.7 67.8---
2026-07-12 04:30 pm N 9.7 11.7 1.3 3- NE-- 76.3 75.7 68.0---
2026-07-12 04:20 pm N 9.7 11.7 1.3 3- NE-- 76.3 75.7 68.0---
2026-07-12 04:10 pm N 7.8 11.7 1.3 3- NE-- 76.1 75.6 68.5---
2026-07-12 04:00 pm N 7.8 11.7 1.3 3-NNE-- 76.3 75.7 68.5---
2026-07-12 03:50 pm N 7.8 9.7 1.0 2- NE-- 76.1 75.6 68.5---
2026-07-12 03:40 pm N 7.8 9.7 1.0 3- NE-- 76.1 75.6 68.2---
2026-07-12 03:30 pm N 9.7 11.7 1.0 2- NE-- 76.1 75.6 68.4---
2026-07-12 03:20 pm N 7.8 11.7 1.0 3-NNE-- 75.9 75.6 68.4---
2026-07-12 03:00 pm N 7.8 11.7 1.0 3-NNE-- 75.9 75.6 68.9---
2026-07-12 02:40 pm N 7.8 11.7 1.0 3-NNE-- 75.6 75.6 69.1---
2026-07-12 02:30 pm N 7.8 9.7 1.0 3-NNE-- 75.4 75.6 70.0---
2026-07-12 02:20 pm N 7.8 9.7 1.0 3- NE-- 75.2 75.6 70.0---
2026-07-12 02:10 pm N 7.8 9.7 1.0 3- NE-- 75.2 75.6 70.0---
2026-07-12 02:00 pm N 7.8 9.7 1.0 3-NNE-- 75.2 75.4 69.8---
2026-07-12 01:50 pm N 7.8 9.7 1.0 3-NNE-- 75.2 75.4 69.8---
2026-07-12 01:40 pm N 7.8 9.7 1.0 3-NNE-- 75.0 75.4 69.6---
2026-07-12 01:30 pm N 7.8 9.7 1.0 3-NNE-- 75.0 75.4 70.0---
2026-07-12 01:10 pm N 7.8 11.7 1.0 3- NE-- 74.8 75.4 70.0---
2026-07-12 01:00 pm N 7.8 11.7 1.0 3- NE-- 74.8 75.2 69.6---
2026-07-12 12:50 pm N 7.8 9.7 1.0 4-NNE-- 74.7 75.2 69.8---
2026-07-12 12:30 pm N 7.8 9.7 1.0 3-NNE-- 74.7 75.0 69.6---
2026-07-12 12:20 pm N 7.8 9.7 1.0 4-NNE-- 74.7 75.0 69.8---
2026-07-12 12:10 pm N 7.8 9.7 1.0 4-NNE-- 74.5 75.0 69.8---
2026-07-12 11:50 am N 7.8 11.7 1.0 4- NE-- 74.5 75.0 69.3---
2026-07-12 11:40 am N 7.8 11.7 1.0 4-NNE-- 74.5 75.0 69.1---
2026-07-12 11:30 amNNE 5.8 9.7 1.0 4- NE-- 74.5 74.8 68.9---
2026-07-12 11:20 am N 5.8 7.8 1.0 4- NE-- 74.3 74.8 68.7---
2026-07-12 11:10 am N 7.8 9.7 1.0 4-NNE-- 74.3 74.8 68.7---
2026-07-12 11:00 amNNE 5.8 7.8 1.0 4- NE-- 74.3 74.8 68.5---
2026-07-12 10:50 amNNE 5.8 9.7 1.3 4- NE-- 74.3 74.8 68.4---
2026-07-12 10:40 amNNE 7.8 9.7 1.0 4- NE-- 74.3 74.7 68.5---
2026-07-12 10:30 amNNE 7.8 9.7 1.0 4- NE-- 74.3 74.7 67.8---
2026-07-12 10:20 amNNE 7.8 9.7 1.0 4-NNE-- 74.3 74.7 67.6---
2026-07-12 10:10 amNNE 7.8 9.7 1.0 4- NE-- 74.1 74.7 67.5---
2026-07-12 10:00 amNNE 7.8 9.7 1.0 4- NE-- 74.1 74.7 67.5---
2026-07-12 09:50 amNNE 7.8 9.7 1.3 4- NE-- 74.3 74.5 67.3---
2026-07-12 09:40 amNNE 7.8 9.7 1.0 4- NE-- 74.3 74.5 67.1---
2026-07-12 09:30 amNNE 7.8 9.7 1.0 4- NE-- 74.3 74.5 66.9---
2026-07-12 09:20 amNNE 5.8 7.8 1.0 4- NE-- 74.1 74.5 66.9---
2026-07-12 09:10 amNNE 5.8 7.8 1.0 4- NE-- 74.1 74.5 66.9---
2026-07-12 09:00 am NE 5.8 5.8 1.0 4- NE-- 74.1 74.5 66.7---
2026-07-12 08:50 am NE 3.9 5.8 1.3 4- NE-- 73.9 74.3 66.6---
2026-07-12 08:40 am NE 3.9 5.8 1.0 4- NE-- 73.8 74.3 66.7---
2026-07-12 08:30 am NE 3.9 5.8 1.0 4- NE-- 73.6 74.3 66.6---
2026-07-12 08:20 amENE 3.9 5.8 1.3 4-NNE-- 73.6 74.3 66.7---
2026-07-12 08:10 amENE 3.9 5.8 1.3 4-NNE-- 73.4 74.3 66.9---
2026-07-12 08:00 amENE 3.9 5.8 1.3 4-NNE-- 73.4 74.1 66.6---
2026-07-12 07:50 am E 3.9 5.8 1.3 4-NNE-- 73.2 74.1 66.7---
Wave Summary
for 45170 as of (8:00 am CDT)
1300 GMT on 07/13/2026:

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): 0.3 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
2026-07-13 07:50 am 0.3------ N/A-
2026-07-13 07:40 am 0.3------ N/A-
2026-07-13 07:30 am 0.3------ N/A-
2026-07-13 07:20 am 0.3------ N/A-
2026-07-13 07:10 am 0.3------ N/A-
2026-07-13 07:00 am 0.3------ N/A-
2026-07-13 06:50 am 0.3------ N/A-
2026-07-13 06:40 am 0.3------ N/A-
2026-07-13 06:30 am 0.3------ N/A-
2026-07-13 06:20 am 0.3------ N/A-
2026-07-13 06:10 am 0.3------ N/A-
2026-07-13 06:00 am 0.3------ N/A-
2026-07-13 05:50 am 0.3------ N/A-
2026-07-13 05:40 am 0.3------ N/A-
2026-07-13 05:30 am 0.3------ N/A-
2026-07-13 05:20 am 0.3------ N/A-
2026-07-13 05:10 am 0.3------ N/A-
2026-07-12 05:10 pm 1.3------ N/A-
2026-07-12 05:00 pm 1.3------ N/A-
2026-07-12 04:50 pm 1.3------ N/A-
2026-07-12 04:40 pm 1.3------ N/A-
2026-07-12 04:30 pm 1.3------ N/A-
2026-07-12 04:20 pm 1.3------ N/A-
2026-07-12 04:10 pm 1.3------ N/A-
2026-07-12 04:00 pm 1.3------ N/A-
2026-07-12 03:50 pm 1.0------ N/A-
2026-07-12 03:40 pm 1.0------ N/A-
2026-07-12 03:30 pm 1.0------ N/A-
2026-07-12 03:20 pm 1.0------ N/A-
2026-07-12 03:00 pm 1.0------ N/A-
2026-07-12 02:40 pm 1.0------ N/A-
2026-07-12 02:30 pm 1.0------ N/A-
2026-07-12 02:20 pm 1.0------ N/A-
2026-07-12 02:10 pm 1.0------ N/A-
2026-07-12 02:00 pm 1.0------ N/A-
2026-07-12 01:50 pm 1.0------ N/A-
2026-07-12 01:40 pm 1.0------ N/A-
2026-07-12 01:30 pm 1.0------ N/A-
2026-07-12 01:10 pm 1.0------ N/A-
2026-07-12 01:00 pm 1.0------ N/A-
2026-07-12 12:50 pm 1.0------ N/A-
2026-07-12 12:30 pm 1.0------ N/A-
2026-07-12 12:20 pm 1.0------ N/A-
2026-07-12 12:10 pm 1.0------ N/A-
2026-07-12 11:50 am 1.0------ N/A-
2026-07-12 11:40 am 1.0------ N/A-
2026-07-12 11:30 am 1.0------ N/A-
2026-07-12 11:20 am 1.0------ N/A-
2026-07-12 11:10 am 1.0------ N/A-
2026-07-12 11:00 am 1.0------ N/A-
2026-07-12 10:50 am 1.3------ N/A-
2026-07-12 10:40 am 1.0------ N/A-
2026-07-12 10:30 am 1.0------ N/A-
2026-07-12 10:20 am 1.0------ N/A-
2026-07-12 10:10 am 1.0------ N/A-
2026-07-12 10:00 am 1.0------ N/A-
2026-07-12 09:50 am 1.3------ N/A-
2026-07-12 09:40 am 1.0------ N/A-
2026-07-12 09:30 am 1.0------ N/A-
2026-07-12 09:20 am 1.0------ N/A-
2026-07-12 09:10 am 1.0------ N/A-
2026-07-12 09:00 am 1.0------ N/A-
2026-07-12 08:50 am 1.3------ N/A-
2026-07-12 08:40 am 1.0------ N/A-
2026-07-12 08:30 am 1.0------ N/A-
2026-07-12 08:20 am 1.3------ N/A-
2026-07-12 08:10 am 1.3------ N/A-
2026-07-12 08:00 am 1.3------ N/A-
2026-07-12 07:50 am 1.3------ N/A-
Ocean Conditions at 45170 as of
(8:00 am CDT)
1300 GMT on 07/13/2026:

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): 3.3 ft
5-day plot - Ocean Temperature Ocean Temperature (OTMP):75.00 °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
2026-07-13 07:50 am 3.374.98--------
2026-07-13 07:40 am 3.374.98--------
2026-07-13 07:30 am 3.375.00--------
2026-07-13 07:20 am 3.374.98--------
2026-07-13 07:10 am 3.374.97--------
2026-07-13 07:00 am 3.374.95--------
2026-07-13 06:50 am 3.374.93--------
2026-07-13 06:40 am 3.374.95--------
2026-07-13 06:30 am 3.374.93--------
2026-07-13 06:20 am 3.374.95--------
2026-07-13 06:10 am 3.374.95--------
2026-07-13 06:00 am 3.374.95--------
2026-07-13 05:50 am 3.374.93--------
2026-07-13 05:40 am 3.374.91--------
2026-07-13 05:30 am 3.374.93--------
2026-07-13 05:20 am 3.374.86--------
2026-07-13 05:10 am 3.374.89--------
2026-07-12 05:10 pm 3.375.63--------
2026-07-12 05:00 pm 3.375.60--------
2026-07-12 04:50 pm 3.375.67--------
2026-07-12 04:40 pm 3.375.65--------
2026-07-12 04:30 pm 3.375.65--------
2026-07-12 04:20 pm 3.375.65--------
2026-07-12 04:10 pm 3.375.61--------
2026-07-12 04:00 pm 3.375.69--------
2026-07-12 03:50 pm 3.375.60--------
2026-07-12 03:40 pm 3.375.61--------
2026-07-12 03:30 pm 3.375.65--------
2026-07-12 03:20 pm 3.375.63--------
2026-07-12 03:00 pm 3.375.54--------
2026-07-12 02:40 pm 3.375.54--------
2026-07-12 02:30 pm 3.375.58--------
2026-07-12 02:20 pm 3.375.52--------
2026-07-12 02:10 pm 3.375.47--------
2026-07-12 02:00 pm 3.375.42--------
2026-07-12 01:50 pm 3.375.33--------
2026-07-12 01:40 pm 3.375.42--------
2026-07-12 01:30 pm 3.375.31--------
2026-07-12 01:10 pm 3.375.43--------
2026-07-12 01:00 pm 3.375.16--------
2026-07-12 12:50 pm 3.375.22--------
2026-07-12 12:30 pm 3.375.09--------
2026-07-12 12:20 pm 3.375.09--------
2026-07-12 12:10 pm 3.375.09--------
2026-07-12 11:50 am 3.374.95--------
2026-07-12 11:40 am 3.374.98--------
2026-07-12 11:30 am 3.374.91--------
2026-07-12 11:20 am 3.374.89--------
2026-07-12 11:10 am 3.374.84--------
2026-07-12 11:00 am 3.374.75--------
2026-07-12 10:50 am 3.374.77--------
2026-07-12 10:40 am 3.374.71--------
2026-07-12 10:30 am 3.374.66--------
2026-07-12 10:20 am 3.374.64--------
2026-07-12 10:10 am 3.374.62--------
2026-07-12 10:00 am 3.374.61--------
2026-07-12 09:50 am 3.374.57--------
2026-07-12 09:40 am 3.374.52--------
2026-07-12 09:30 am 3.374.48--------
2026-07-12 09:20 am 3.374.48--------
2026-07-12 09:10 am 3.374.44--------
2026-07-12 09:00 am 3.374.41--------
2026-07-12 08:50 am 3.374.37--------
2026-07-12 08:40 am 3.374.34--------
2026-07-12 08:30 am 3.374.30--------
2026-07-12 08:20 am 3.374.26--------
2026-07-12 08:10 am 3.374.21--------
2026-07-12 08:00 am 3.374.19--------
2026-07-12 07:50 am 3.374.16--------
Solar Radiation Conditions at 45170 as of
(8:00 am CDT)
1300 GMT on 07/13/2026:
     

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): 176.1watts/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
2026-07-13 07:50 am 138.8--
2026-07-13 07:40 am 283.9--
2026-07-13 07:30 am 300.6--
2026-07-13 07:20 am 270.0--
2026-07-13 07:10 am 246.2--
2026-07-13 07:00 am 219.5--
2026-07-13 06:50 am 206.4--
2026-07-13 06:40 am 189.4--
2026-07-13 06:30 am 154.0--
2026-07-13 06:20 am 105.7--
2026-07-13 06:10 am 111.3--
2026-07-13 06:00 am 68.8--
2026-07-13 05:50 am 43.6--
2026-07-13 05:40 am 23.0--
2026-07-13 05:30 am 9.6--
2026-07-13 05:20 am 3.4--
2026-07-13 05:10 am 1.1--
2026-07-12 05:10 pm 487.6--
2026-07-12 05:00 pm 525.6--
2026-07-12 04:50 pm 554.2--
2026-07-12 04:40 pm 579.0--
2026-07-12 04:30 pm 602.0--
2026-07-12 04:20 pm 633.0--
2026-07-12 04:10 pm 660.4--
2026-07-12 04:00 pm 682.8--
2026-07-12 03:50 pm 703.6--
2026-07-12 03:40 pm 731.2--
2026-07-12 03:30 pm 755.9--
2026-07-12 03:20 pm 777.6--
2026-07-12 03:00 pm 809.8--
2026-07-12 02:40 pm 838.3--
2026-07-12 02:30 pm 854.3--
2026-07-12 02:20 pm 865.3--
2026-07-12 02:10 pm 877.7--
2026-07-12 02:00 pm 883.1--
2026-07-12 01:50 pm 890.8--
2026-07-12 01:40 pm 895.8--
2026-07-12 01:30 pm 901.1--
2026-07-12 01:10 pm 900.4--
2026-07-12 01:00 pm 901.3--
2026-07-12 12:50 pm 898.5--
2026-07-12 12:30 pm 890.7--
2026-07-12 12:20 pm 886.9--
2026-07-12 12:10 pm 879.6--
2026-07-12 11:50 am 864.2--
2026-07-12 11:40 am 854.1--
2026-07-12 11:30 am 846.8--
2026-07-12 11:20 am 832.8--
2026-07-12 11:10 am 816.5--
2026-07-12 11:00 am 803.0--
2026-07-12 10:50 am 785.1--
2026-07-12 10:40 am 766.1--
2026-07-12 10:30 am 747.1--
2026-07-12 10:20 am 727.7--
2026-07-12 10:10 am 712.8--
2026-07-12 10:00 am 709.9--
2026-07-12 09:50 am 691.8--
2026-07-12 09:40 am 666.3--
2026-07-12 09:30 am 640.5--
2026-07-12 09:20 am 616.1--
2026-07-12 09:10 am 587.7--
2026-07-12 09:00 am 563.7--
2026-07-12 08:50 am 537.6--
2026-07-12 08:40 am 507.8--
2026-07-12 08:30 am 474.7--
2026-07-12 08:20 am 448.4--
2026-07-12 08:10 am 422.9--
2026-07-12 08:00 am 391.1--
2026-07-12 07:50 am 364.0--