Station List

Station 45187 - Winthrop Harbor Buoy, IL Image indicating link to RSS feed of recent meteorological observations for station 45187

Owned and maintained by University of Illinois at Urbana-Champaign
Moored Buoy
42.491 N 87.779 W (42°29'27" N 87°46'44" W)

Site elevation: 176 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

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 45187

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)
Station 45187

Conditions at 45187 as of
(9:50 pm CDT on 07/04/2026)
0250 GMT on 07/05/2026:
     

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 - Wave Height Wave Height (WVHT): 1.0 ft
5-day plot - Dominant Wave Period Dominant Wave Period (DPD): 3 sec
5-day plot - Mean Wave Direction Mean Wave Direction (MWD): N ( 5 deg true )
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):29.95 in
5-day plot - Air Temperature Air Temperature (ATMP): 61.9 °F
5-day plot - Water Temperature Water Temperature (WTMP): 63.9 °F
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
2026-07-04 09:40 pm--- 1.0 3- N29.95- 61.7 63.7----
2026-07-04 09:30 pm--- 1.0 3- N29.95- 62.4 63.3----
2026-07-04 09:20 pm--- 1.0 3- N29.95- 62.4 61.7----
2026-07-04 09:10 pm--- 1.0 3-NNE29.94- 62.2 62.2----
2026-07-04 09:00 pm--- 1.0 2-NNE29.94+0.01 62.6 61.7----
2026-07-04 08:50 pm--- 1.0 2-NNE29.94- 62.8 61.5----
2026-07-04 08:30 pm--- 1.0 2-NNE29.93- 63.0 60.8----
2026-07-04 08:20 pm--- 1.0 3- NE29.93- 63.0 61.0----
2026-07-04 08:10 pm--- 1.0 2-NNE29.93- 62.2 61.0----
2026-07-04 08:00 pm--- 1.0 4-NNE29.92+0.08 62.1 61.3----
2026-07-04 07:50 pm--- 1.0 2-NNE29.92- 62.1 61.5----
2026-07-04 07:40 pm--- 1.0 3- NE29.92- 61.9 58.5----
2026-07-04 07:30 pm--- 1.0 2- NE29.91- 61.0 61.7----
2026-07-04 07:20 pm--- 0.7-- N29.92- 60.4 61.7----
2026-07-04 07:10 pm--- 0.7-- N29.94- 62.2 61.7----
2026-07-04 07:00 pm--- 0.7-- N29.94+0.08 62.8 61.7----
2026-07-04 06:50 pm--- 0.7-- N29.94- 63.0 62.1----
2026-07-04 06:30 pm--- 0.7--NNW29.95- 63.3 62.1----
2026-07-04 06:20 pm--- 0.7--NNW29.95- 63.5 62.1----
2026-07-04 06:10 pm--- 0.7--NNW29.94- 63.5 62.1----
2026-07-04 06:00 pm--- 0.7-- N29.93+0.02 63.5 61.9----
2026-07-04 05:50 pm--- 0.7--NNW29.92- 63.3 61.9----
2026-07-04 05:30 pm--- 0.7-- N29.89- 63.1 61.2----
2026-07-04 05:20 pm--- 0.7-- N29.87- 62.1 61.3----
2026-07-04 05:10 pm--- 0.7--NNW29.85- 60.6 61.3----
2026-07-04 05:00 pm--- 0.7--NNW29.84-0.35 60.3 61.3----
2026-07-04 04:50 pm--- 0.7-- N29.83- 59.4 61.3----
2026-07-04 04:30 pm--- 0.7-- N29.83- 58.5 60.4----
2026-07-04 04:20 pm--- 1.0 2-NNE29.83- 58.3 56.7----
2026-07-04 04:10 pm--- 1.0 3-NNE29.84- 57.9 54.5----
2026-07-04 04:00 pm--- 1.0 2-NNE29.86-0.30 61.5 53.8----
2026-07-04 03:50 pm--- 1.0 2- N29.86- 61.7 57.6----
2026-07-04 03:40 pm--- 1.0 2- N29.85- 61.5 54.1----
2026-07-04 03:30 pm--- 1.0 2-NNE29.86- 61.0 54.9----
2026-07-04 03:20 pm--- 0.7--NNE29.87- 60.1 55.9----
2026-07-04 03:10 pm--- 0.7-- SE29.88- 59.4 50.7----
2026-07-04 03:00 pm--- 0.7-- NE29.91-0.21 57.7 48.6----
2026-07-04 02:50 pm--- 0.3-- SE29.98- 57.9 48.7----
2026-07-04 02:40 pm--- 0.3--SSE30.05- 58.3 48.9----
2026-07-04 02:30 pm--- 0.3-- SE30.13- 60.1 48.4----
2026-07-04 02:20 pm--- 0.3--ESE30.19- 66.6 48.9----
2026-07-04 02:10 pm--- 0.3-- SE30.19- 67.3 48.6----
2026-07-04 02:00 pm--- 0.3--SSE30.18+0.00 66.6 48.7----
2026-07-04 01:50 pm--- 0.3--SSE30.19- 65.1 48.9----
2026-07-04 01:40 pm--- 0.3-- SE30.19- 64.4 49.3----
2026-07-04 01:30 pm--- 0.3--ESE30.21- 63.3 49.6----
2026-07-04 01:20 pm--- 0.3--ESE30.20- 62.6 48.7----
2026-07-04 01:10 pm--- 0.3--SSE30.19- 62.2 49.6----
2026-07-04 01:00 pm--- 0.7--SSE30.17-0.08 62.8 50.4----
2026-07-04 12:50 pm--- 0.3--ESE30.16- 63.9 49.5----
2026-07-04 12:40 pm--- 0.3-- SE30.14- 64.4 50.4----
2026-07-04 12:30 pm--- 0.3--ESE30.14- 63.9 50.5----
2026-07-04 12:20 pm--- 0.7--ESE30.14- 62.1 51.8----
2026-07-04 12:10 pm--- 0.3-- SE30.13- 63.5 51.3----
2026-07-04 12:00 pm--- 0.3-- S30.12-0.19 61.7 51.6----
2026-07-04 11:50 am--- 0.3--ESE30.13- 59.5 51.1----
2026-07-04 11:40 am--- 0.3--ESE30.14- 60.8 51.3----
2026-07-04 11:30 am--- 0.3-- E30.15- 63.3 51.3----
2026-07-04 11:20 am--- 0.3--ESE30.14- 64.6 51.8----
2026-07-04 11:10 am--- 0.3--ESE30.15- 65.1 51.6----
2026-07-04 11:00 am--- 0.3-- SE30.18+0.00 64.8 51.8----
2026-07-04 10:50 am--- 0.3--ESE30.19- 64.0 51.8----
2026-07-04 10:40 am--- 0.3--ESE30.21- 64.4 52.2----
2026-07-04 10:30 am--- 0.3-- S30.24- 65.7 52.3----
2026-07-04 10:20 am--- 0.3-- SE30.24- 66.9 53.1----
2026-07-04 10:10 am--- 0.3-- SE30.24- 67.5 53.1----
2026-07-04 10:00 am--- 0.7--SSW30.25+0.31 67.1 53.6----
2026-07-04 09:50 am--- 0.3--ESE30.28- 65.8 54.0----
2026-07-04 09:40 am--- 0.3--ESE30.30- 66.7 55.2----
2026-07-04 09:30 am--- 0.3-- SE30.32- 67.3 56.7----
2026-07-04 09:20 am--- 0.3-- SE30.32- 66.9 58.1----
2026-07-04 09:10 am--- 0.3--ESE30.32- 66.6 59.0----
2026-07-04 09:00 am--- 0.3--ESE30.32+0.46 68.2 59.5----
2026-07-04 08:50 am--- 0.3-- SE30.30- 67.1 60.3----
2026-07-04 08:40 am--- 0.3-- SE30.29- 67.8 59.7----
2026-07-04 08:30 am--- 0.3-- SE30.28- 67.1 59.7----
2026-07-04 08:20 am--- 0.7-- SE30.26- 67.5 58.8----
2026-07-04 08:10 am--- 0.7-- SE30.23- 66.4 57.7----
2026-07-04 08:00 am--- 0.7-- SE30.18+0.28 63.5 59.2----
2026-07-04 07:50 am--- 0.7-- SE30.14- 63.1 57.6----
2026-07-04 07:40 am--- 0.7-- SE30.09- 63.7 56.3----
2026-07-04 07:30 am--- 0.7-- SE30.04- 62.2 54.5----
2026-07-04 07:20 am--- 0.7-- SE29.99- 60.1 53.4----
2026-07-04 07:10 am--- 0.7-- SE29.97- 59.7 54.1----
2026-07-04 07:00 am--- 0.7-- SE29.94+0.10 60.3 53.4----
2026-07-04 06:50 am--- 0.7-- SE29.92- 60.8 51.4----
2026-07-04 06:40 am--- 0.3-- SE29.89- 61.5 51.3----
2026-07-04 06:30 am--- 0.7-- SE29.86- 60.3 51.3----
2026-07-04 06:20 am--- 0.3-- SE29.86- 59.7 51.4----
2026-07-04 06:10 am--- 0.3-- SE29.86- 60.4 51.6----
2026-07-04 06:00 am--- 0.3-- SE29.85+0.08 59.7 51.6----
2026-07-04 05:50 am--- 0.3-- SE29.85- 58.6 51.8----
2026-07-04 05:40 am--- 0.3-- SE29.86- 58.1 51.8----
2026-07-04 05:30 am--- 0.7--SSW29.88- 60.8 51.8----
2026-07-04 05:20 am--- 0.3-- SE29.88- 59.4 51.8----
2026-07-04 05:10 am--- 0.3-- SE29.89- 61.2 52.0----
2026-07-04 05:00 am--- 0.7--WNW29.90+0.12 63.1 51.4----
2026-07-04 04:50 am--- 0.7-- SE29.89- 61.5 52.2----
2026-07-04 04:40 am--- 0.3--SSE29.88- 61.2 52.0----
2026-07-04 04:30 am--- 0.7-- SE29.89- 62.8 52.0----
2026-07-04 04:20 am--- 0.7-- SE29.88- 63.0 52.2----
2026-07-04 04:10 am--- 0.7-- SE29.87- 63.1 52.3----
2026-07-04 04:00 am--- 0.7-- SE29.85+0.08 62.2 52.3----
2026-07-04 03:50 am--- 0.7-- SE29.84- 61.9 52.3----
2026-07-04 03:40 am--- 0.7-- SE29.84- 63.0 52.5----
2026-07-04 03:30 am--- 0.7-- SE29.82- 65.5 52.5----
2026-07-04 03:20 am--- 0.7-- SE29.80- 66.4 52.5----
2026-07-04 03:10 am--- 0.7-- SE29.78- 66.7 52.3----
2026-07-04 03:00 am--- 0.7-- SE29.77+0.06 63.7 52.3----
2026-07-04 02:50 am--- 0.7-- SE29.77- 60.4 52.7----
2026-07-04 02:40 am--- 0.7-- SE29.77- 58.6 52.7----
2026-07-04 02:30 am--- 0.7-- SE29.77- 58.8 52.7----
2026-07-04 02:20 am--- 0.7-- SE29.77- 56.8 52.7----
2026-07-04 02:10 am--- 0.3-- SE29.78- 59.4 52.3----
2026-07-04 02:00 am--- 0.3-- SE29.78+0.00 59.4 52.3----
2026-07-04 01:50 am--- 0.7-- SE29.78- 58.5 52.7----
2026-07-04 01:40 am--- 0.3-- SE29.79- 59.7 52.9----
2026-07-04 01:30 am--- 0.7-- SE29.80- 61.3 52.3----
2026-07-04 01:20 am--- 0.7-- SE29.79- 64.6 52.3----
2026-07-04 01:10 am--- 0.7--SSE29.78- 64.9 52.0----
2026-07-04 01:00 am--- 0.7-- SE29.76-0.06 66.2 51.6----
2026-07-04 12:50 am--- 0.7-- SE29.75- 64.2 51.8----
2026-07-04 12:40 am--- 0.7-- SE29.74- 61.3 52.2----
2026-07-04 12:30 am--- 0.7-- SE29.73- 60.8 52.0----
2026-07-04 12:20 am--- 0.7-- SE29.72- 61.2 52.0----
2026-07-04 12:10 am--- 0.7-- SE29.72- 61.9 51.8----
2026-07-04 12:00 am--- 0.7-- SE29.72-0.14 59.5 52.0----
2026-07-03 11:50 pm--- 0.7-- SE29.73- 61.3 52.3----
2026-07-03 11:40 pm--- 0.7-- SE29.74- 60.6 52.7----
2026-07-03 11:30 pm--- 0.7-- SE29.73- 58.6 52.7----
2026-07-03 11:20 pm--- 0.7-- SE29.74- 58.5 52.7----
2026-07-03 11:10 pm--- 0.7-- SE29.75- 58.1 52.7----
2026-07-03 11:00 pm--- 0.7--SSE29.78-0.15 59.5 53.1----
2026-07-03 10:50 pm--- 0.7--SSE29.82- 63.5 53.1----
2026-07-03 10:40 pm--- 0.3--SSE29.84- 66.7 53.4----
2026-07-03 10:30 pm--- 0.7-- SE29.84- 67.6 53.6----
2026-07-03 10:20 pm--- 0.3-- SE29.82- 63.9 54.0----
2026-07-03 10:10 pm--- 0.3-- SE29.83- 63.5 54.0----
2026-07-03 10:00 pm--- 0.3-- S29.83-0.33 61.2 54.0----
2026-07-03 09:50 pm--- 0.7--SSE29.85- 63.0 54.3----
Wave Summary
for 45187 as of
(9:50 pm CDT on 07/04/2026)
0250 GMT on 07/05/2026:

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): 1.0 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
2026-07-04 09:40 pm 1.0------ N/A-
2026-07-04 09:30 pm 1.0------ N/A-
2026-07-04 09:20 pm 1.0------ N/A-
2026-07-04 09:10 pm 1.0------ N/A-
2026-07-04 09:00 pm 1.0------ N/A-
2026-07-04 08:50 pm 1.0------ N/A-
2026-07-04 08:30 pm 1.0------ N/A-
2026-07-04 08:20 pm 1.0------ N/A-
2026-07-04 08:10 pm 1.0------ N/A-
2026-07-04 08:00 pm 1.0------ N/A-
2026-07-04 07:50 pm 1.0------ N/A-
2026-07-04 07:40 pm 1.0------ N/A-
2026-07-04 07:30 pm 1.0------ N/A-
2026-07-04 07:20 pm 0.7------ N/A-
2026-07-04 07:10 pm 0.7------ N/A-
2026-07-04 07:00 pm 0.7------ N/A-
2026-07-04 06:50 pm 0.7------ N/A-
2026-07-04 06:30 pm 0.7------ N/A-
2026-07-04 06:20 pm 0.7------ N/A-
2026-07-04 06:10 pm 0.7------ N/A-
2026-07-04 06:00 pm 0.7------ N/A-
2026-07-04 05:50 pm 0.7------ N/A-
2026-07-04 05:30 pm 0.7------ N/A-
2026-07-04 05:20 pm 0.7------ N/A-
2026-07-04 05:10 pm 0.7------ N/A-
2026-07-04 05:00 pm 0.7------ N/A-
2026-07-04 04:50 pm 0.7------ N/A-
2026-07-04 04:30 pm 0.7------ N/A-
2026-07-04 04:20 pm 0.7------ N/A-
2026-07-04 04:10 pm 1.0------ N/A-
2026-07-04 04:00 pm 1.0------ N/A-
2026-07-04 03:50 pm 1.0------ N/A-
2026-07-04 03:40 pm 1.0------ N/A-
2026-07-04 03:30 pm 1.0------ N/A-
2026-07-04 03:20 pm 0.7------ N/A-
2026-07-04 03:10 pm 0.7------ N/A-
2026-07-04 03:00 pm 0.3------ N/A-
2026-07-04 02:50 pm 0.3------ N/A-
2026-07-04 02:40 pm 0.3------ N/A-
2026-07-04 02:30 pm 0.3------ N/A-
2026-07-04 02:20 pm 0.3------ N/A-
2026-07-04 02:10 pm 0.3------ N/A-
2026-07-04 02:00 pm 0.3------ N/A-
2026-07-04 01:50 pm 0.3------ N/A-
2026-07-04 01:40 pm 0.3------ N/A-
2026-07-04 01:30 pm 0.3------ N/A-
2026-07-04 01:20 pm 0.3------ N/A-
2026-07-04 01:10 pm 0.3------ N/A-
2026-07-04 01:00 pm 0.7------ N/A-
2026-07-04 12:50 pm 0.3------ N/A-
2026-07-04 12:40 pm 0.3------ N/A-
2026-07-04 12:30 pm 0.3------ N/A-
2026-07-04 12:20 pm 0.7------ N/A-
2026-07-04 12:10 pm 0.3------ N/A-
2026-07-04 12:00 pm 0.3------ N/A-
2026-07-04 11:50 am 0.3------ N/A-
2026-07-04 11:40 am 0.3------ N/A-
2026-07-04 11:30 am 0.3------ N/A-
2026-07-04 11:20 am 0.3------ N/A-
2026-07-04 11:10 am 0.3------ N/A-
2026-07-04 11:00 am 0.3------ N/A-
2026-07-04 10:50 am 0.3------ N/A-
2026-07-04 10:40 am 0.3------ N/A-
2026-07-04 10:30 am 0.3------ N/A-
2026-07-04 10:20 am 0.3------ N/A-
2026-07-04 10:10 am 0.3------ N/A-
2026-07-04 10:00 am 0.7------ N/A-
2026-07-04 09:50 am 0.3------ N/A-
2026-07-04 09:40 am 0.3------ N/A-
2026-07-04 09:30 am 0.3------ N/A-
2026-07-04 09:20 am 0.3------ N/A-
2026-07-04 09:10 am 0.3------ N/A-
2026-07-04 09:00 am 0.3------ N/A-
2026-07-04 08:50 am 0.3------ N/A-
2026-07-04 08:40 am 0.3------ N/A-
2026-07-04 08:30 am 0.3------ N/A-
2026-07-04 08:20 am 0.7------ N/A-
2026-07-04 08:10 am 0.7------ N/A-
2026-07-04 08:00 am 0.7------ N/A-
2026-07-04 07:50 am 0.7------ N/A-
2026-07-04 07:40 am 0.7------ N/A-
2026-07-04 07:30 am 0.7------ N/A-
2026-07-04 07:20 am 0.7------ N/A-
2026-07-04 07:10 am 0.7------ N/A-
2026-07-04 07:00 am 0.7------ N/A-
2026-07-04 06:50 am 0.3------ N/A-
2026-07-04 06:40 am 0.3------ N/A-
2026-07-04 06:30 am 0.7------ N/A-
2026-07-04 06:20 am 0.3------ N/A-
2026-07-04 06:10 am 0.3------ N/A-
2026-07-04 06:00 am 0.3------ N/A-
2026-07-04 05:50 am 0.3------ N/A-
2026-07-04 05:40 am 0.3------ N/A-
2026-07-04 05:30 am 0.7------ N/A-
2026-07-04 05:20 am 0.3------ N/A-
2026-07-04 05:10 am 0.3------ N/A-
2026-07-04 05:00 am 0.7------ N/A-
2026-07-04 04:50 am 0.7------ N/A-
2026-07-04 04:40 am 0.3------ N/A-
2026-07-04 04:30 am 0.7------ N/A-
2026-07-04 04:20 am 0.7------ N/A-
2026-07-04 04:10 am 0.7------ N/A-
2026-07-04 04:00 am 0.7------ N/A-
2026-07-04 03:50 am 0.7------ N/A-
2026-07-04 03:40 am 0.7------ N/A-
2026-07-04 03:30 am 0.7------ N/A-
2026-07-04 03:20 am 0.7------ N/A-
2026-07-04 03:10 am 0.7------ N/A-
2026-07-04 03:00 am 0.7------ N/A-
2026-07-04 02:50 am 0.7------ N/A-
2026-07-04 02:40 am 0.7------ N/A-
2026-07-04 02:30 am 0.7------ N/A-
2026-07-04 02:20 am 0.7------ N/A-
2026-07-04 02:10 am 0.3------ N/A-
2026-07-04 02:00 am 0.3------ N/A-
2026-07-04 01:50 am 0.7------ N/A-
2026-07-04 01:40 am 0.3------ N/A-
2026-07-04 01:30 am 0.7------ N/A-
2026-07-04 01:20 am 0.7------ N/A-
2026-07-04 01:10 am 0.7------ N/A-
2026-07-04 01:00 am 0.7------ N/A-
2026-07-04 12:50 am 0.7------ N/A-
2026-07-04 12:40 am 0.7------ N/A-
2026-07-04 12:30 am 0.7------ N/A-
2026-07-04 12:20 am 0.7------ N/A-
2026-07-04 12:10 am 0.7------ N/A-
2026-07-04 12:00 am 0.7------ N/A-
2026-07-03 11:50 pm 0.7------ N/A-
2026-07-03 11:40 pm 0.7------ N/A-
2026-07-03 11:30 pm 0.7------ N/A-
2026-07-03 11:20 pm 0.7------ N/A-
2026-07-03 11:10 pm 0.7------ N/A-
2026-07-03 11:00 pm 0.7------ N/A-
2026-07-03 10:50 pm 0.7------ N/A-
2026-07-03 10:40 pm 0.3------ N/A-
2026-07-03 10:30 pm 0.7------ N/A-
2026-07-03 10:20 pm 0.3------ N/A-
2026-07-03 10:10 pm 0.3------ N/A-
2026-07-03 10:00 pm 0.3------ N/A-
2026-07-03 09:50 pm 0.7------ N/A-

Disclaimer: Ocean current directions are reported to the nearest 10 degrees and speeds are measured to the nearest whole centimeter per second.

Ocean Current Data for 45187

     
9:50 pm CDT 9:40 pm CDT 9:30 pm CDT 9:20 pm CDT 9:10 pm CDT 9:00 pm CDT 8:50 pm CDT 8:30 pm CDT
Depth
ft		Dir
°		Speed
kts		 Dir
°		Speed
kts		 Dir
°		Speed
kts		 Dir
°		Speed
kts		 Dir
°		Speed
kts		 Dir
°		Speed
kts		 Dir
°		Speed
kts		 Dir
°		Speed
kts
7 310 0.29300 0.27320 0.16290 0.14290 0.10270 0.16280 0.17 30 0.06

Previous (up to 48) reports of ocean current data for 45187

Ocean Current Stick Plots are available in metric units only:

All Instruments - 1-day plot - ocean current 1-day plot     3-day plot - ocean current 3-day plot     5-day plot - ocean current 5-day plot