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


Conditions at 45187 as of
(4:00 am CDT)
0900 GMT on 04/15/2026:
     

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):ESE ( 113 deg true )
5-day plot - Air Temperature Air Temperature (ATMP): 55.2 °F
5-day plot - Water Temperature Water Temperature (WTMP): 46.2 °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
2026-04-15 03:50 am--- 1.0 3-ESE-- 51.8 46.2----
2026-04-15 03:40 am--- 1.0 3-ENE-- 49.5 46.2----
2026-04-15 03:20 am--- 1.0 4- N-- 50.4 46.2----
2026-04-15 03:10 am--- 1.0 4-NNE-- 50.2 46.4----
2026-04-15 03:00 am--- 1.0 4-NNE-- 50.4 46.6----
2026-04-15 02:50 am--- 1.0 4-NNE-- 50.7 46.6----
2026-04-15 02:40 am--- 1.3 4-NNE-- 50.9 46.6----
2026-04-15 02:20 am--- 1.3 4-NNE-- 50.7 46.8----
2026-04-15 02:10 am--- 1.3 3- E-- 50.4 46.9----
2026-04-15 02:00 am--- 1.3 4-ENE-- 52.0 46.9----
2026-04-15 01:50 am--- 1.3 3-ESE-- 51.1 46.9----
2026-04-15 01:40 am--- 1.3 3- SE-- 50.5 46.9----
2026-04-15 01:20 am--- 1.3 3- E-- 53.1 46.8----
2026-04-15 01:10 am--- 1.3 3- SE-- 53.6 46.8----
2026-04-15 01:00 am--- 1.0 2-SSE-- 52.7 46.8----
2026-04-15 12:50 am--- 1.3 2- SE-- 51.8 46.9----
2026-04-15 12:40 am--- 1.3 2- SE-- 54.1 46.8----
2026-04-15 12:20 am--- 1.3 2- SE-- 50.9 47.1----
2026-04-15 12:10 am--- 1.3 2-SSE-- 51.3 47.1----
2026-04-15 12:00 am--- 1.3 2-SSE-- 51.8 47.1----
2026-04-14 11:50 pm--- 1.3 2- SE-- 50.7 47.3----
2026-04-14 11:40 pm--- 1.3 2- SE-- 50.9 47.3----
2026-04-14 11:20 pm--- 1.0 3- SE-- 51.4 47.5----
2026-04-14 11:10 pm--- 1.0 3- SE-- 49.5 47.5----
2026-04-14 11:00 pm--- 1.0 4- SE-- 48.6 47.5----
2026-04-14 10:50 pm--- 1.0 3- SE-- 48.4 47.7----
2026-04-14 10:40 pm--- 1.0 3-SSE-- 48.7 47.7----
2026-04-14 10:20 pm--- 1.0 4-SSE-- 51.4 47.5----
2026-04-14 10:10 pm--- 1.3 3- SE-- 52.0 47.5----
2026-04-14 10:00 pm--- 1.3 3-NNE-- 52.0 47.3----
2026-04-14 09:50 pm--- 1.3 2- N-- 52.9 47.1----
2026-04-14 09:40 pm--- 1.3 2- N-- 55.2 47.7----
2026-04-14 09:20 pm E 17.5 40.8 1.0 3- S29.74- 55.2 48.6----
2026-04-14 09:10 pm NW 5.8 9.7 1.0 3- SE29.74- 53.1 48.6----
2026-04-14 09:00 pmWNW 5.8 9.7 1.0 3- SE29.75-0.07 52.7 48.4----
2026-04-14 08:50 pmWNW 5.8 7.8 1.0 3- SE29.77- 53.1 48.6----
2026-04-14 08:40 pmWNW 5.8 7.8 1.0 3- SE29.78- 53.4 48.6----
2026-04-14 08:20 pmWNW 7.8 9.7 1.0 3- SE29.83- 54.5 48.7----
2026-04-14 08:10 pmWNW 7.8 9.7 1.0 3- SE29.85- 54.9 48.7----
2026-04-14 08:00 pmWNW 5.8 7.8 1.0 3- SE29.87+0.00 55.8 48.7----
2026-04-14 07:50 pmWNW 7.8 9.7 1.0 3- SE29.89- 57.9 48.7----
2026-04-14 07:40 pmWNW 7.8 9.7 1.0 3- SE29.91- 58.5 48.6----
2026-04-14 07:20 pm NW 7.8 11.7 1.0 3- SE29.96- 59.0 48.7----
2026-04-14 07:10 pmNNW 7.8 11.7 1.3 3- SE30.00- 64.9 48.9----
2026-04-14 07:00 pm N 11.7 15.5 1.0 3- SE30.00+0.16 67.8 48.9----
2026-04-14 06:50 pmNNW 7.8 13.6 1.3 3- SE29.97- 63.5 49.1----
2026-04-14 06:40 pm NW 7.8 11.7 1.3 5-NNE29.97- 65.7 49.3----
2026-04-14 06:20 pmWNW 7.8 13.6 1.3 5-NNE29.92- 62.1 48.9----
2026-04-14 06:10 pmNNW 13.6 17.5 1.0 3- SE29.91-- 48.9----
2026-04-14 06:00 pmWNW 7.8 15.5 1.0 3-ESE29.82+0.02 56.1 47.7----
2026-04-14 05:50 pm W 3.9 7.8 1.3 3-ESE29.80- 51.4 47.3----
2026-04-14 05:40 pm W 7.8 11.7 1.3 3-ESE29.82- 50.4 47.3----
2026-04-14 05:20 pmWNW 3.9 9.7 1.3 3- SE29.85- 50.9 47.1----
2026-04-14 05:10 pmWNW 5.8 9.7 1.3 3- SE29.86- 52.0 47.3----
2026-04-14 05:00 pmWNW 9.7 13.6 1.3 3- SE29.87+0.02 52.9 47.1----
2026-04-14 04:50 pm W 11.7 13.6 1.3 3- SE29.86- 52.5 47.1----
2026-04-14 04:40 pm W 7.8 11.7 1.3 3- SE29.84- 51.6 47.1----
2026-04-14 04:20 pm W 7.8 11.7 1.3 3-ESE29.82- 51.8 46.8----
2026-04-14 04:10 pm NW 3.9 7.8 1.3 3- SE29.83- 50.9 46.6----
2026-04-14 04:00 pm NW 3.9 7.8 1.3 3- SE29.84-0.12 50.9 46.6----
2026-04-14 03:40 pmWNW 7.8 9.7 1.3 3-ESE29.82- 50.2 46.4----
2026-04-14 03:20 pmWNW 7.8 11.7 1.3 3- SE29.78- 48.9 46.2----
2026-04-14 03:10 pmWNW 7.8 11.7 1.3 3-ESE29.80- 48.9 46.0----
2026-04-14 03:00 pm W 9.7 11.7 1.3 4-ESE29.80- 48.7 46.0----
2026-04-14 02:50 pm W 7.8 13.6 1.3 3- SE29.81- 48.6 45.9----
2026-04-14 02:40 pm W 5.8 9.7 1.3 3- SE29.82- 48.4 45.9----
2026-04-14 02:10 pm W 9.7 13.6 1.3 4- SE29.85- 48.7 45.5----
2026-04-14 02:00 pm W 7.8 11.7 1.3 3- SE29.85- 49.3 45.5----
2026-04-14 01:50 pm W 7.8 9.7 1.3 3- SE29.85- 48.4 45.3----
2026-04-14 01:40 pm W 5.8 9.7 1.3 4- SE29.87- 48.2 45.1----
2026-04-14 01:30 pm W 7.8 9.7 1.3 4- SE29.89- 48.4 45.1----
2026-04-14 01:20 pm W 5.8 9.7 1.3 4- SE29.92- 48.9 45.0----
2026-04-14 01:10 pm W 5.8 9.7 1.3 4- SE29.94- 48.7 45.0----
2026-04-14 01:00 pm W 5.8 11.7 1.6 4- SE29.96- 49.5 44.8----
2026-04-14 12:50 pm W 7.8 11.7 1.3 3- SE29.99- 49.5 44.8----
2026-04-14 12:40 pm W 7.8 11.7 1.3 4- SE30.05- 51.8 44.6----
2026-04-14 12:30 pm--- 1.6 4- SE-- 56.8 44.8----
2026-04-14 12:10 pm--- 1.6 4-SSE30.27-------
2026-04-14 12:00 pm--- 1.6 4-SSE--------
2026-04-14 11:50 am--- 1.6 4-SSE--------
2026-04-14 11:40 am--- 1.6 4-SSE--- 44.1----
2026-04-14 11:30 am--- 1.3 3- S--- 44.1----
2026-04-14 11:20 am--- 1.6 3- SE--- 43.9----
2026-04-14 11:10 am--- 1.3 3- SE-- 51.8 43.7----
2026-04-14 11:00 am--- 1.3 3- SE-- 50.2 43.9----
2026-04-14 10:50 am--- 1.3 3- SE-- 50.0 44.1----
2026-04-14 10:40 am--- 1.6 3- SE-- 50.5 43.7----
2026-04-14 10:30 am--- 1.6 3- SE-- 51.1 43.7----
2026-04-14 10:20 am--- 1.6 3-SSE-- 51.6 43.9----
2026-04-14 10:10 am--- 1.6 3-SSE-- 52.7 43.7----
2026-04-14 10:00 am--- 1.6 3-SSE-- 53.2 43.5----
2026-04-14 09:50 am--- 1.6 3-SSE-- 52.9 43.5----
2026-04-14 09:40 am--- 1.3 3-SSE-- 51.4 43.5----
2026-04-14 09:30 am--- 1.3 4- E-- 51.1 43.5----
2026-04-14 09:20 am--- 1.3 4-ESE-- 49.6 43.5----
2026-04-14 09:10 am--- 1.3 2- SE-- 49.1 43.5----
2026-04-14 09:00 am--- 1.3 2-SSE-- 48.6 43.5----
2026-04-14 08:50 am--- 1.3 4- E-- 47.8 43.5----
2026-04-14 08:40 am--- 1.3 2- S-- 48.4 43.5----
2026-04-14 08:30 am--- 1.3 4-ENE-- 48.9 43.5----
2026-04-14 08:20 am--- 1.3 4- E-- 47.8 43.5----
2026-04-14 08:10 am--- 1.3 4- E-- 47.7 43.5----
2026-04-14 08:00 am--- 1.3 4-ENE-- 47.1 43.5----
2026-04-14 07:50 am--- 1.3 4-ESE-- 47.3 43.5----
2026-04-14 07:40 am--- 1.3 4-ESE-- 47.7 43.5----
2026-04-14 07:30 am--- 1.3 4-ENE-- 48.2 43.5----
2026-04-14 07:20 am--- 1.3 4-ENE-- 48.9 43.5----
2026-04-14 07:10 am--- 1.3 4-ENE-- 48.7 43.5----
2026-04-14 07:00 am--- 1.3 4- NE-- 48.0 43.5----
2026-04-14 06:50 am--- 1.3 4-ENE-- 48.4 43.5----
2026-04-14 06:40 am--- 1.3 4- NE-- 48.4 43.5----
2026-04-14 06:30 am--- 1.6 4-NNE-- 47.8 43.5----
2026-04-14 06:20 am--- 1.3 4- NE-- 48.4 43.5----
2026-04-14 06:10 am--- 1.6 4- NE-- 48.2 43.5----
2026-04-14 06:00 am--- 1.6 3- E-- 48.4 43.5----
2026-04-14 05:50 am--- 1.3 4-ESE-- 48.0 43.5----
2026-04-14 05:40 am--- 1.3 3-ENE-- 47.5 43.5----
2026-04-14 05:30 am--- 1.3 3- NE-- 47.5 43.5----
2026-04-14 05:20 am--- 1.3 3- E-- 48.4 43.5----
2026-04-14 05:10 am--- 1.6 3- NE-- 48.4 43.5----
2026-04-14 05:00 am--- 1.6 4- E-- 48.6 43.5----
2026-04-14 04:50 am--- 1.6 4-SSE-- 48.4 43.5----
2026-04-14 04:40 am--- 1.6 4-SSE-- 48.6 43.5----
2026-04-14 04:30 am--- 1.6 4-SSE-- 48.6 43.5----
2026-04-14 04:20 am--- 1.6 4-ENE-- 49.5 43.5----
2026-04-14 04:10 am--- 1.6 4- SE-- 50.2 43.5----
2026-04-14 04:00 am--- 1.6 4-ENE-- 50.5 43.5----
2026-04-14 03:50 am--- 1.6 3- N-- 50.0 43.5----

Wave Summary
for 45187 as of (4:10 am CDT)
0910 GMT on 04/15/2026:

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
2026-04-15 04:00 am 1.0------ N/A-
2026-04-15 03:50 am 1.0------ N/A-
2026-04-15 03:40 am 1.0------ N/A-
2026-04-15 03:20 am 1.0------ N/A-
2026-04-15 03:10 am 1.0------ N/A-
2026-04-15 03:00 am 1.0------ N/A-
2026-04-15 02:50 am 1.0------ N/A-
2026-04-15 02:40 am 1.3------ N/A-
2026-04-15 02:20 am 1.3------ N/A-
2026-04-15 02:10 am 1.3------ N/A-
2026-04-15 02:00 am 1.3------ N/A-
2026-04-15 01:50 am 1.3------ N/A-
2026-04-15 01:40 am 1.3------ N/A-
2026-04-15 01:20 am 1.3------ N/A-
2026-04-15 01:10 am 1.3------ N/A-
2026-04-15 01:00 am 1.0------ N/A-
2026-04-15 12:50 am 1.3------ N/A-
2026-04-15 12:40 am 1.3------ N/A-
2026-04-15 12:20 am 1.3------ N/A-
2026-04-15 12:10 am 1.3------ N/A-
2026-04-15 12:00 am 1.3------ N/A-
2026-04-14 11:50 pm 1.3------ N/A-
2026-04-14 11:40 pm 1.3------ N/A-
2026-04-14 11:20 pm 1.0------ N/A-
2026-04-14 11:10 pm 1.0------ N/A-
2026-04-14 11:00 pm 1.0------ N/A-
2026-04-14 10:50 pm 1.0------ N/A-
2026-04-14 10:40 pm 1.0------ N/A-
2026-04-14 10:20 pm 1.0------ N/A-
2026-04-14 10:10 pm 1.3------ N/A-
2026-04-14 10:00 pm 1.3------ N/A-
2026-04-14 09:50 pm 1.3------ N/A-
2026-04-14 09:40 pm 1.3------ N/A-
2026-04-14 09:20 pm 1.0------ N/A-
2026-04-14 09:10 pm 1.0------ N/A-
2026-04-14 09:00 pm 1.0------ N/A-
2026-04-14 08:50 pm 1.0------ N/A-
2026-04-14 08:40 pm 1.0------ N/A-
2026-04-14 08:20 pm 1.0------ N/A-
2026-04-14 08:10 pm 1.0------ N/A-
2026-04-14 08:00 pm 1.0------ N/A-
2026-04-14 07:50 pm 1.0------ N/A-
2026-04-14 07:40 pm 1.0------ N/A-
2026-04-14 07:20 pm 1.0------ N/A-
2026-04-14 07:10 pm 1.3------ N/A-
2026-04-14 07:00 pm 1.0------ N/A-
2026-04-14 06:50 pm 1.3------ N/A-
2026-04-14 06:40 pm 1.3------ N/A-
2026-04-14 06:20 pm 1.3------ N/A-
2026-04-14 06:10 pm 1.0------ N/A-
2026-04-14 06:00 pm 1.0------ N/A-
2026-04-14 05:50 pm 1.3------ N/A-
2026-04-14 05:40 pm 1.3------ N/A-
2026-04-14 05:20 pm 1.3------ N/A-
2026-04-14 05:10 pm 1.3------ N/A-
2026-04-14 05:00 pm 1.3------ N/A-
2026-04-14 04:50 pm 1.3------ N/A-
2026-04-14 04:40 pm 1.3------ N/A-
2026-04-14 04:20 pm 1.3------ N/A-
2026-04-14 04:10 pm 1.3------ N/A-
2026-04-14 04:00 pm 1.3------ N/A-
2026-04-14 03:40 pm 1.3------ N/A-
2026-04-14 03:20 pm 1.3------ N/A-
2026-04-14 03:10 pm 1.3------ N/A-
2026-04-14 03:00 pm 1.3------ N/A-
2026-04-14 02:50 pm 1.3------ N/A-
2026-04-14 02:40 pm 1.3------ N/A-
2026-04-14 02:10 pm 1.3------ N/A-
2026-04-14 02:00 pm 1.3------ N/A-
2026-04-14 01:50 pm 1.3------ N/A-
2026-04-14 01:40 pm 1.3------ N/A-
2026-04-14 01:30 pm 1.3------ N/A-
2026-04-14 01:20 pm 1.3------ N/A-
2026-04-14 01:10 pm 1.3------ N/A-
2026-04-14 01:00 pm 1.6------ N/A-
2026-04-14 12:50 pm 1.3------ N/A-
2026-04-14 12:40 pm 1.3------ N/A-
2026-04-14 12:30 pm 1.6------ N/A-
2026-04-14 12:10 pm 1.6------ N/A-
2026-04-14 12:00 pm 1.6------ N/A-
2026-04-14 11:50 am 1.6------ N/A-
2026-04-14 11:40 am 1.6------ N/A-
2026-04-14 11:30 am 1.3------ N/A-
2026-04-14 11:20 am 1.6------ N/A-
2026-04-14 11:10 am 1.3------ N/A-
2026-04-14 11:00 am 1.3------ N/A-
2026-04-14 10:50 am 1.3------ N/A-
2026-04-14 10:40 am 1.6------ N/A-
2026-04-14 10:30 am 1.6------ N/A-
2026-04-14 10:20 am 1.6------ N/A-
2026-04-14 10:10 am 1.6------ N/A-
2026-04-14 10:00 am 1.6------ N/A-
2026-04-14 09:50 am 1.6------ N/A-
2026-04-14 09:40 am 1.3------ N/A-
2026-04-14 09:30 am 1.3------ N/A-
2026-04-14 09:20 am 1.3------ N/A-
2026-04-14 09:10 am 1.3------ N/A-
2026-04-14 09:00 am 1.3------ N/A-
2026-04-14 08:50 am 1.3------ N/A-
2026-04-14 08:40 am 1.3------ N/A-
2026-04-14 08:30 am 1.3------ N/A-
2026-04-14 08:20 am 1.3------ N/A-
2026-04-14 08:10 am 1.3------ N/A-
2026-04-14 08:00 am 1.3------ N/A-
2026-04-14 07:50 am 1.3------ N/A-
2026-04-14 07:40 am 1.3------ N/A-
2026-04-14 07:30 am 1.3------ N/A-
2026-04-14 07:20 am 1.3------ N/A-
2026-04-14 07:10 am 1.3------ N/A-
2026-04-14 07:00 am 1.3------ N/A-
2026-04-14 06:50 am 1.3------ N/A-
2026-04-14 06:40 am 1.3------ N/A-
2026-04-14 06:30 am 1.6------ N/A-
2026-04-14 06:20 am 1.3------ N/A-
2026-04-14 06:10 am 1.6------ N/A-
2026-04-14 06:00 am 1.6------ N/A-
2026-04-14 05:50 am 1.3------ N/A-
2026-04-14 05:40 am 1.3------ N/A-
2026-04-14 05:30 am 1.3------ N/A-
2026-04-14 05:20 am 1.3------ N/A-
2026-04-14 05:10 am 1.6------ N/A-
2026-04-14 05:00 am 1.6------ N/A-
2026-04-14 04:50 am 1.6------ N/A-
2026-04-14 04:40 am 1.6------ N/A-
2026-04-14 04:30 am 1.6------ N/A-
2026-04-14 04:20 am 1.6------ N/A-
2026-04-14 04:10 am 1.6------ N/A-
2026-04-14 04:00 am 1.6------ N/A-
2026-04-14 03:50 am 1.6------ 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

     
4:10 am CDT 4:00 am CDT 3:50 am CDT 3:40 am CDT 3:20 am CDT 3:10 am CDT 3:00 am CDT 2:50 am 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 0 0.25360 0.35 10 0.27320 0.23 20 0.17 0 0.31340 0.21360 0.25

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