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
(4:20 pm CDT)
2120 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): E ( 90 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 3.9 kts
5-day plot - Wind Gust Wind Gust (GST): 3.9 kts
5-day plot - Wave Height Wave Height (WVHT): 0.3 ft
5-day plot - Mean Wave Direction Mean Wave Direction (MWD): SE ( 134 deg true )
5-day plot - Air Temperature Air Temperature (ATMP): 80.8 °F
5-day plot - Water Temperature Water Temperature (WTMP): 76.3 °F
5-day plot - Dew Point Dew Point (DEWP): 68.5 °F
5-day plot - Heat Index Heat Index (HEAT): 83.7 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 3.9 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 3.9 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 04:10 pm E 3.9 3.9 0.3--SSE-- 80.8 76.3 68.2---
2026-07-13 04:00 pm E 3.9 3.9 0.3--ENE-- 80.8 76.3 68.5---
2026-07-13 03:50 pm E 3.9 3.9 0.3-- SE-- 80.8 76.5 68.0---
2026-07-13 03:40 pm E 1.9 3.9 0.3-- E-- 81.0 76.5 67.6---
2026-07-13 03:30 pmENE 1.9 1.9 0.3--ESE-- 81.7 76.3 67.3---
2026-07-13 03:20 pm- 0.0 1.9 0.3--SSE-- 82.2 76.5 66.6---
2026-07-13 03:10 pm- 0.0 1.9 0.3-- SE-- 82.9 76.5 67.5---
2026-07-13 03:00 pm- 0.0 1.9 0.3--SSW-- 82.0 76.8 67.3---
2026-07-13 02:50 pm- 0.0 1.9 0.3-- NE-- 81.1 76.3 66.4---
2026-07-13 02:40 pmWNW 1.9 1.9 0.3--SSW-- 80.4 76.3 66.6---
2026-07-13 02:30 pmWNW 1.9 3.9 0.3-- SE-- 79.9 76.5 67.6---
2026-07-13 02:20 pmWNW 1.9 3.9 0.3-- S-- 79.7 76.1 67.5---
2026-07-13 02:10 pmWNW 1.9 3.9 0.3--SSW-- 79.5 76.1 68.2---
2026-07-13 02:00 pm W 1.9 3.9 0.3--SSW-- 79.5 76.1 68.2---
2026-07-13 01:50 pm W 1.9 3.9 0.3-- SW-- 79.3 76.1 68.4---
2026-07-13 01:40 pm W 1.9 3.9 0.3-- S-- 79.2 75.9 68.2---
2026-07-13 01:30 pm W 1.9 3.9 0.3--ENE-- 78.8 76.3 68.9---
2026-07-13 01:20 pm W 1.9 3.9 0.3--ENE-- 78.6 76.3 68.7---
2026-07-13 01:10 pmWSW 1.9 3.9 0.3--WSW-- 78.3 75.9 69.8---
2026-07-13 01:00 pmWSW 1.9 3.9 0.3-- SW-- 78.1 75.9 70.2---
2026-07-13 12:50 pm SW 1.9 3.9 0.3--WSW-- 77.7 75.9 70.5---
2026-07-13 12:20 pmSSW 3.9 3.9 0.3-- W-- 77.0 75.7 70.7---
2026-07-13 12:10 pmSSW 3.9 3.9 0.3--SSW-- 76.6 75.7 71.1---
2026-07-13 12:00 pm SW 3.9 3.9 0.3--SSE-- 76.5 75.7 70.9---
2026-07-13 11:50 am SW 3.9 3.9 0.3--NNE-- 76.3 75.7 70.7---
2026-07-13 11:40 amWSW 3.9 3.9 0.3-- W-- 76.1 75.6 70.5---
2026-07-13 11:30 amWSW 3.9 3.9 0.3--SSW-- 76.1 75.6 70.5---
2026-07-13 11:20 am SW 1.9 3.9 0.3--SSW-- 76.1 75.6 70.3---
2026-07-13 11:10 am SW 3.9 3.9 0.3--WSW-- 76.1 75.6 69.4---
2026-07-13 11:00 amWSW 1.9 3.9 0.3-- W-- 76.3 75.6 69.4---
2026-07-13 10:50 amWSW 1.9 3.9 0.3-- W-- 76.1 75.6 69.3---
2026-07-13 10:40 am W 3.9 3.9 0.3-- W-- 75.9 75.6 69.3---
2026-07-13 10:30 am W 3.9 5.8 0.3-- W-- 75.6 75.4 69.8---
2026-07-13 10:20 am W 3.9 5.8 0.3-- W-- 75.4 75.4 70.7---
2026-07-13 10:10 am W 5.8 5.8 0.3-- W-- 75.2 75.4 71.1---
2026-07-13 10:00 am W 5.8 5.8 0.3--WSW-- 75.2 75.4 70.9---
2026-07-13 09:50 am W 5.8 7.8 0.7-- W-- 75.0 75.2 70.9---
2026-07-13 09:40 am W 5.8 7.8 0.3--WSW-- 74.8 75.4 71.2---
2026-07-13 09:30 amWSW 5.8 7.8 0.7--WSW-- 74.7 75.2 71.4---
2026-07-13 09:20 amWSW 5.8 7.8 0.7--WSW-- 74.7 75.2 71.4---
2026-07-13 09:10 amWSW 3.9 5.8 0.7-- SW-- 74.5 75.2 71.4---
2026-07-13 09:00 amWSW 3.9 5.8 0.7--SSW-- 74.3 75.0 71.4---
2026-07-13 08:50 amWSW 5.8 7.8 0.7--WSW-- 73.9 75.0 71.2---
2026-07-13 08:40 amWSW 7.8 9.7 0.7-- SW-- 73.8 75.0 71.1---
2026-07-13 08:30 am SW 7.8 9.7 0.7-- SW-- 73.6 75.0 70.9---
2026-07-13 08:20 amSSW 9.7 13.6 0.3-- S-- 73.2 75.0 70.3---
2026-07-13 08:10 amSSW 11.7 15.5 0.3-- NW-- 72.9 75.0 69.8---
2026-07-13 08:00 am S 7.8 11.7 0.3-- N-- 72.9 75.0 69.1---
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---
Wave Summary
for 45170 as of (4:20 pm CDT)
2120 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 04:10 pm 0.3------ N/A-
2026-07-13 04:00 pm 0.3------ N/A-
2026-07-13 03:50 pm 0.3------ N/A-
2026-07-13 03:40 pm 0.3------ N/A-
2026-07-13 03:30 pm 0.3------ N/A-
2026-07-13 03:20 pm 0.3------ N/A-
2026-07-13 03:10 pm 0.3------ N/A-
2026-07-13 03:00 pm 0.3------ N/A-
2026-07-13 02:50 pm 0.3------ N/A-
2026-07-13 02:40 pm 0.3------ N/A-
2026-07-13 02:30 pm 0.3------ N/A-
2026-07-13 02:20 pm 0.3------ N/A-
2026-07-13 02:10 pm 0.3------ N/A-
2026-07-13 02:00 pm 0.3------ N/A-
2026-07-13 01:50 pm 0.3------ N/A-
2026-07-13 01:40 pm 0.3------ N/A-
2026-07-13 01:30 pm 0.3------ N/A-
2026-07-13 01:20 pm 0.3------ N/A-
2026-07-13 01:10 pm 0.3------ N/A-
2026-07-13 01:00 pm 0.3------ N/A-
2026-07-13 12:50 pm 0.3------ N/A-
2026-07-13 12:20 pm 0.3------ N/A-
2026-07-13 12:10 pm 0.3------ N/A-
2026-07-13 12:00 pm 0.3------ N/A-
2026-07-13 11:50 am 0.3------ N/A-
2026-07-13 11:40 am 0.3------ N/A-
2026-07-13 11:30 am 0.3------ N/A-
2026-07-13 11:20 am 0.3------ N/A-
2026-07-13 11:10 am 0.3------ N/A-
2026-07-13 11:00 am 0.3------ N/A-
2026-07-13 10:50 am 0.3------ N/A-
2026-07-13 10:40 am 0.3------ N/A-
2026-07-13 10:30 am 0.3------ N/A-
2026-07-13 10:20 am 0.3------ N/A-
2026-07-13 10:10 am 0.3------ N/A-
2026-07-13 10:00 am 0.3------ N/A-
2026-07-13 09:50 am 0.7------ N/A-
2026-07-13 09:40 am 0.3------ N/A-
2026-07-13 09:30 am 0.7------ N/A-
2026-07-13 09:20 am 0.7------ N/A-
2026-07-13 09:10 am 0.7------ N/A-
2026-07-13 09:00 am 0.7------ N/A-
2026-07-13 08:50 am 0.7------ N/A-
2026-07-13 08:40 am 0.7------ N/A-
2026-07-13 08:30 am 0.7------ N/A-
2026-07-13 08:20 am 0.3------ N/A-
2026-07-13 08:10 am 0.3------ N/A-
2026-07-13 08:00 am 0.3------ N/A-
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-
Ocean Conditions at 45170 as of
(4:20 pm CDT)
2120 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):76.21 °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 04:10 pm 3.376.30--------
2026-07-13 04:00 pm 3.376.30--------
2026-07-13 03:50 pm 3.376.48--------
2026-07-13 03:40 pm 3.376.37--------
2026-07-13 03:30 pm 3.376.23--------
2026-07-13 03:20 pm 3.376.42--------
2026-07-13 03:10 pm 3.376.44--------
2026-07-13 03:00 pm 3.376.87--------
2026-07-13 02:50 pm 3.376.21--------
2026-07-13 02:40 pm 3.376.23--------
2026-07-13 02:30 pm 3.376.53--------
2026-07-13 02:20 pm 3.376.15--------
2026-07-13 02:10 pm 3.376.03--------
2026-07-13 02:00 pm 3.376.03--------
2026-07-13 01:50 pm 3.376.05--------
2026-07-13 01:40 pm 3.375.94--------
2026-07-13 01:30 pm 3.376.33--------
2026-07-13 01:20 pm 3.376.21--------
2026-07-13 01:10 pm 3.375.94--------
2026-07-13 01:00 pm 3.375.94--------
2026-07-13 12:50 pm 3.375.92--------
2026-07-13 12:20 pm 3.375.76--------
2026-07-13 12:10 pm 3.375.76--------
2026-07-13 12:00 pm 3.375.78--------
2026-07-13 11:50 am 3.375.67--------
2026-07-13 11:40 am 3.375.65--------
2026-07-13 11:30 am 3.375.63--------
2026-07-13 11:20 am 3.375.61--------
2026-07-13 11:10 am 3.375.56--------
2026-07-13 11:00 am 3.375.56--------
2026-07-13 10:50 am 3.375.52--------
2026-07-13 10:40 am 3.375.47--------
2026-07-13 10:30 am 3.375.42--------
2026-07-13 10:20 am 3.375.34--------
2026-07-13 10:10 am 3.375.33--------
2026-07-13 10:00 am 3.375.33--------
2026-07-13 09:50 am 3.375.24--------
2026-07-13 09:40 am 3.375.29--------
2026-07-13 09:30 am 3.375.18--------
2026-07-13 09:20 am 3.375.13--------
2026-07-13 09:10 am 3.375.11--------
2026-07-13 09:00 am 3.375.06--------
2026-07-13 08:50 am 3.375.02--------
2026-07-13 08:40 am 3.374.98--------
2026-07-13 08:30 am 3.374.98--------
2026-07-13 08:20 am 3.374.98--------
2026-07-13 08:10 am 3.374.98--------
2026-07-13 08:00 am 3.375.00--------
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--------
Solar Radiation Conditions at 45170 as of
(4:20 pm CDT)
2120 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): 620.2watts/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 04:10 pm 644.8--
2026-07-13 04:00 pm 669.3--
2026-07-13 03:50 pm 687.0--
2026-07-13 03:40 pm 708.5--
2026-07-13 03:30 pm 727.8--
2026-07-13 03:20 pm 750.3--
2026-07-13 03:10 pm 770.5--
2026-07-13 03:00 pm 782.6--
2026-07-13 02:50 pm 797.4--
2026-07-13 02:40 pm 810.2--
2026-07-13 02:30 pm 823.2--
2026-07-13 02:20 pm 833.3--
2026-07-13 02:10 pm 841.7--
2026-07-13 02:00 pm 853.5--
2026-07-13 01:50 pm 863.5--
2026-07-13 01:40 pm 870.1--
2026-07-13 01:30 pm 873.9--
2026-07-13 01:20 pm 870.9--
2026-07-13 01:10 pm 880.5--
2026-07-13 01:00 pm 883.6--
2026-07-13 12:50 pm 882.0--
2026-07-13 12:20 pm 874.6--
2026-07-13 12:10 pm 870.0--
2026-07-13 12:00 pm 865.3--
2026-07-13 11:50 am 857.8--
2026-07-13 11:40 am 850.2--
2026-07-13 11:30 am 832.6--
2026-07-13 11:20 am 824.5--
2026-07-13 11:10 am 817.8--
2026-07-13 11:00 am 802.3--
2026-07-13 10:50 am 788.3--
2026-07-13 10:40 am 772.5--
2026-07-13 10:30 am 757.7--
2026-07-13 10:20 am 736.5--
2026-07-13 10:10 am 713.8--
2026-07-13 10:00 am 677.2--
2026-07-13 09:50 am 603.2--
2026-07-13 09:40 am 543.5--
2026-07-13 09:30 am 668.9--
2026-07-13 09:20 am 631.7--
2026-07-13 09:10 am 590.8--
2026-07-13 09:00 am 548.0--
2026-07-13 08:50 am 577.5--
2026-07-13 08:40 am 275.0--
2026-07-13 08:30 am 430.6--
2026-07-13 08:20 am 272.9--
2026-07-13 08:10 am 241.0--
2026-07-13 08:00 am 176.1--
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--