Station List

Station 45187 - Winthrop Harbor Buoy, IL

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

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Conditions at 45187 as of
(2:00 pm CDT)
1900 GMT on 07/03/2026:
Unit of Measure: Time Zone: Click on the graph icon in the table below to see a time series plot of the last five days of that observation.
Wave Height (WVHT):	0.7 ft
Mean Wave Direction (MWD):	SE ( 134 deg true )
Atmospheric Pressure (PRES):	29.91 in
Pressure Tendency (PTDY):	-0.41 in ( Falling Rapidly )
Air Temperature (ATMP):	64.6 °F
Water Temperature (WTMP):	55.0 °F

Previous observations
TIME (CDT)	WDIR	WSPD kts	GST kts	WVHT ft	DPD sec	APD sec	MWD	PRES in	PTDY in	ATMP °F	WTMP °F	DEWP °F	SAL psu	VIS nmi	TIDE ft
2026-07-03 01:50 pm	-	-	-	0.7	-	-	NW	29.92	-	64.0	55.0	-	-	-	-
2026-07-03 01:40 pm	-	-	-	1.0	2	-	WNW	29.94	-	64.6	55.0	-	-	-	-
2026-07-03 01:30 pm	-	-	-	1.0	2	-	W	29.96	-	65.1	55.6	-	-	-	-
2026-07-03 01:20 pm	-	-	-	1.0	2	-	W	30.00	-	64.9	57.0	-	-	-	-
2026-07-03 01:10 pm	-	-	-	0.7	-	-	SE	30.05	-	65.5	56.8	-	-	-	-
2026-07-03 01:00 pm	-	-	-	0.7	-	-	SSE	30.08	-0.28	64.8	57.7	-	-	-	-
2026-07-03 12:50 pm	-	-	-	0.7	-	-	S	30.13	-	63.5	57.6	-	-	-	-
2026-07-03 12:40 pm	-	-	-	0.7	-	-	SE	30.18	-	63.3	57.4	-	-	-	-
2026-07-03 12:30 pm	-	-	-	0.7	-	-	SE	30.24	-	64.2	58.1	-	-	-	-
2026-07-03 12:20 pm	-	-	-	0.3	-	-	SE	30.29	-	64.9	57.4	-	-	-	-
2026-07-03 12:10 pm	-	-	-	0.7	-	-	SSE	30.30	-	65.7	57.2	-	-	-	-
2026-07-03 12:00 pm	-	-	-	0.7	-	-	SE	30.31	+0.15	66.4	57.2	-	-	-	-
2026-07-03 11:50 am	-	-	-	0.7	-	-	SE	30.31	-	66.6	57.2	-	-	-	-
2026-07-03 11:40 am	-	-	-	0.3	-	-	SE	30.32	-	66.9	56.8	-	-	-	-
2026-07-03 11:30 am	-	-	-	0.7	-	-	WSW	30.32	-	66.7	55.2	-	-	-	-
2026-07-03 11:20 am	-	-	-	0.7	-	-	SSW	30.32	-	66.9	55.6	-	-	-	-
2026-07-03 11:10 am	-	-	-	0.3	-	-	SE	30.32	-	67.5	55.6	-	-	-	-
2026-07-03 11:00 am	-	-	-	0.7	-	-	SE	30.32	+0.29	67.5	55.4	-	-	-	-
2026-07-03 10:50 am	-	-	-	0.3	-	-	SE	30.33	-	67.6	55.2	-	-	-	-
2026-07-03 10:40 am	-	-	-	0.7	-	-	SE	30.34	-	66.2	55.8	-	-	-	-
2026-07-03 10:30 am	-	-	-	0.7	-	-	SE	30.34	-	65.5	53.4	-	-	-	-
2026-07-03 10:20 am	-	-	-	0.7	-	-	ESE	30.35	-	66.0	53.1	-	-	-	-
2026-07-03 10:10 am	-	-	-	0.7	-	-	SE	30.36	-	66.7	53.1	-	-	-	-
2026-07-03 10:00 am	-	-	-	0.3	-	-	SE	30.36	-	66.2	52.7	-	-	-	-
2026-07-03 09:50 am	-	-	-	0.7	-	-	SE	30.35	-	67.1	52.9	-	-	-	-
2026-07-03 09:40 am	-	-	-	0.3	-	-	SE	30.32	-	68.5	52.7	-	-	-	-
2026-07-03 09:30 am	-	-	-	0.3	-	-	SSE	30.28	-	67.8	52.7	-	-	-	-
2026-07-03 09:20 am	-	-	-	0.7	-	-	W	30.24	-	67.3	52.5	-	-	-	-
2026-07-03 09:10 am	-	-	-	0.7	-	-	SSE	30.20	-	67.8	52.5	-	-	-	-
2026-07-03 09:00 am	-	-	-	0.3	-	-	SE	30.16	+0.46	66.6	52.5	-	-	-	-
2026-07-03 08:50 am	-	-	-	0.3	-	-	SE	30.11	-	64.4	52.2	-	-	-	-
2026-07-03 08:40 am	-	-	-	0.3	-	-	SE	30.09	-	63.7	52.2	-	-	-	-
2026-07-03 08:30 am	-	-	-	0.3	-	-	SE	30.06	-	63.9	52.2	-	-	-	-
2026-07-03 08:20 am	-	-	-	0.3	-	-	SE	30.06	-	64.2	52.0	-	-	-	-
2026-07-03 08:10 am	-	-	-	0.3	-	-	SSE	30.04	-	64.4	51.8	-	-	-	-
2026-07-03 08:00 am	-	-	-	0.3	-	-	SE	30.03	-	63.3	52.0	-	-	-	-
2026-07-03 07:50 am	-	-	-	0.3	-	-	SSE	30.02	-	63.3	51.8	-	-	-	-
2026-07-03 07:40 am	-	-	-	0.7	-	-	SE	29.99	-	62.1	51.8	-	-	-	-
2026-07-03 07:30 am	-	-	-	0.7	-	-	SE	29.97	-	63.7	52.0	-	-	-	-
2026-07-03 07:20 am	-	-	-	0.3	-	-	SSE	29.94	-	61.7	52.0	-	-	-	-
2026-07-03 06:20 am	-	-	-	0.7	-	-	SSE	29.73	-	61.0	51.8	-	-	-	-
2026-07-03 06:10 am	-	-	-	0.7	-	-	SSE	29.71	-	59.2	52.0	-	-	-	-
2026-07-03 06:00 am	-	-	-	0.7	-	-	SSE	29.69	-	58.8	52.0	-	-	-	-
2026-07-03 05:50 am	-	-	-	0.7	-	-	SSE	29.69	-	58.5	51.8	-	-	-	-
2026-07-03 05:40 am	-	-	-	0.7	-	-	SSE	29.68	-	58.1	52.3	-	-	-	-
2026-07-03 05:30 am	-	-	-	0.7	-	-	SSE	29.68	-	58.3	52.3	-	-	-	-
2026-07-02 08:30 pm	-	-	-	0.7	-	-	WNW	29.99	-	70.3	67.6	-	-	-	-
2026-07-02 08:20 pm	-	-	-	0.7	-	-	WNW	30.00	-	72.0	68.4	-	-	-	-
2026-07-02 08:10 pm	-	-	-	0.3	-	-	ENE	30.00	-	74.5	67.1	-	-	-	-
2026-07-02 08:00 pm	-	-	-	0.3	-	-	ESE	29.99	+0.01	72.0	67.6	-	-	-	-
2026-07-02 07:50 pm	-	-	-	0.3	-	-	ESE	29.97	-	72.0	67.1	-	-	-	-
2026-07-02 07:40 pm	-	-	-	0.3	-	-	SE	29.97	-	71.2	65.8	-	-	-	-
2026-07-02 07:30 pm	-	-	-	0.3	-	-	E	29.98	-	70.3	64.8	-	-	-	-
2026-07-02 07:20 pm	-	-	-	0.3	-	-	E	29.98	-	69.6	61.3	-	-	-	-
2026-07-02 07:10 pm	-	-	-	0.3	-	-	SW	29.98	-	68.0	59.2	-	-	-	-
2026-07-02 07:00 pm	-	-	-	0.3	-	-	ESE	29.98	-0.02	68.0	53.2	-	-	-	-
2026-07-02 06:50 pm	-	-	-	0.3	-	-	ESE	29.98	-	68.2	53.8	-	-	-	-
2026-07-02 06:40 pm	-	-	-	0.3	-	-	ESE	29.98	-	66.7	52.3	-	-	-	-
2026-07-02 06:30 pm	-	-	-	0.3	-	-	ESE	29.98	-	66.9	52.9	-	-	-	-
2026-07-02 06:20 pm	-	-	-	0.3	-	-	ESE	29.97	-	67.8	53.4	-	-	-	-
2026-07-02 06:10 pm	-	-	-	0.3	-	-	SE	29.98	-	66.9	54.1	-	-	-	-
2026-07-02 06:00 pm	-	-	-	0.3	-	-	ESE	29.98	-0.04	68.5	53.2	-	-	-	-
2026-07-02 05:50 pm	-	-	-	0.3	-	-	SSE	29.98	-	68.4	53.6	-	-	-	-
2026-07-02 05:40 pm	-	-	-	0.3	-	-	SE	29.98	-	66.4	54.7	-	-	-	-
2026-07-02 05:30 pm	-	-	-	0.3	-	-	E	29.98	-	66.4	54.9	-	-	-	-
2026-07-02 05:20 pm	-	-	-	0.3	-	-	ESE	29.98	-	67.1	54.7	-	-	-	-
2026-07-02 05:10 pm	-	-	-	0.3	-	-	SE	29.98	-	66.6	53.1	-	-	-	-
2026-07-02 05:00 pm	-	-	-	0.3	-	-	E	29.98	-0.05	65.3	53.8	-	-	-	-
2026-07-02 04:50 pm	-	-	-	0.3	-	-	ESE	29.98	-	65.8	54.0	-	-	-	-
2026-07-02 04:40 pm	-	-	-	0.3	-	-	SE	29.98	-	66.4	53.2	-	-	-	-
2026-07-02 04:30 pm	-	-	-	0.3	-	-	SE	29.98	-	66.4	53.8	-	-	-	-
2026-07-02 04:20 pm	-	-	-	0.3	-	-	ESE	29.99	-	66.9	54.5	-	-	-	-
2026-07-02 04:10 pm	-	-	-	0.3	-	-	SSE	29.99	-	67.3	54.1	-	-	-	-
2026-07-02 04:00 pm	-	-	-	0.3	-	-	WSW	30.00	-0.06	66.9	53.6	-	-	-	-
2026-07-02 03:50 pm	-	-	-	0.3	-	-	NNE	30.01	-	68.4	54.0	-	-	-	-
2026-07-02 03:40 pm	-	-	-	0.3	-	-	WSW	30.00	-	67.3	55.8	-	-	-	-
2026-07-02 03:30 pm	-	-	-	0.3	-	-	NNE	30.00	-	67.5	54.7	-	-	-	-
2026-07-02 03:20 pm	-	-	-	0.3	-	-	SE	30.01	-	66.7	54.3	-	-	-	-
2026-07-02 03:10 pm	-	-	-	0.3	-	-	N	30.01	-	68.5	52.9	-	-	-	-
2026-07-02 03:00 pm	-	-	-	0.3	-	-	E	30.01	-0.06	67.1	53.8	-	-	-	-
2026-07-02 02:50 pm	-	-	-	0.3	-	-	N	30.01	-	67.8	52.2	-	-	-	-
2026-07-02 02:40 pm	-	-	-	0.3	-	-	NNW	30.02	-	68.2	53.1	-	-	-	-
2026-07-02 02:30 pm	-	-	-	0.3	-	-	NNW	30.02	-	68.5	50.9	-	-	-	-
2026-07-02 02:20 pm	-	-	-	0.3	-	-	NNW	30.02	-	69.4	51.8	-	-	-	-
2026-07-02 02:10 pm	-	-	-	0.3	-	-	ENE	30.03	-	70.2	51.4	-	-	-	-
2026-07-02 02:00 pm	-	-	-	0.7	-	-	ENE	30.03	-0.02	69.3	51.1	-	-	-	-
2026-07-02 01:50 pm	-	-	-	0.7	-	-	ENE	30.03	-	69.4	50.9	-	-	-	-

Wave Summary
for 45187 as of (2:00 pm CDT)
1900 GMT on 07/03/2026:
These wave data are displayed in rounded times. Unit of Measure: Time Zone: Click on the graph icon in the table below to see a time series plot of the last five days of that observation.
Significant Wave Height (WVHT):	0.7 ft

Previous observations
TIME (CDT)	WVHT ft	SwH ft	SwP sec	SwD	WWH ft	WWP sec	WWD	STEEPNESS	APD sec
2026-07-03 01:50 pm	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 01:40 pm	1.0	-	-	-	-	-	-	N/A	-
2026-07-03 01:30 pm	1.0	-	-	-	-	-	-	N/A	-
2026-07-03 01:20 pm	1.0	-	-	-	-	-	-	N/A	-
2026-07-03 01:10 pm	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 01:00 pm	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 12:50 pm	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 12:40 pm	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 12:30 pm	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 12:20 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 12:10 pm	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 12:00 pm	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 11:50 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 11:40 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 11:30 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 11:20 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 11:10 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 11:00 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 10:50 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 10:40 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 10:30 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 10:20 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 10:10 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 10:00 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 09:50 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 09:40 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 09:30 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 09:20 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 09:10 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 09:00 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 08:50 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 08:40 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 08:30 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 08:20 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 08:10 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 08:00 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 07:50 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 07:40 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 07:30 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 07:20 am	0.3	-	-	-	-	-	-	N/A	-
2026-07-03 06:20 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 06:10 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 06:00 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 05:50 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 05:40 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-03 05:30 am	0.7	-	-	-	-	-	-	N/A	-
2026-07-02 08:30 pm	0.7	-	-	-	-	-	-	N/A	-
2026-07-02 08:20 pm	0.7	-	-	-	-	-	-	N/A	-
2026-07-02 08:10 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 08:00 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 07:50 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 07:40 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 07:30 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 07:20 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 07:10 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 07:00 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 06:50 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 06:40 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 06:30 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 06:20 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 06:10 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 06:00 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 05:50 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 05:40 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 05:30 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 05:20 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 05:10 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 05:00 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 04:50 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 04:40 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 04:30 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 04:20 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 04:10 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 04:00 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 03:50 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 03:40 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 03:30 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 03:20 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 03:10 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 03:00 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 02:50 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 02:40 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 02:30 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 02:20 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 02:10 pm	0.3	-	-	-	-	-	-	N/A	-
2026-07-02 02:00 pm	0.7	-	-	-	-	-	-	N/A	-
2026-07-02 01:50 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

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
	2:00 pm CDT		1:50 pm CDT		1:40 pm CDT		1:30 pm CDT		1:20 pm CDT		1:10 pm CDT		1:00 pm CDT		12:50 pm CDT
7	20	0.39	40	0.35	30	0.49	20	0.39	20	0.47	10	0.45	0	0.41	360	0.47

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

Description of Measurements

Links which are specific to this station are listed below:

Real Time Data in tabular form for the last forty-five days.

Historical Data & Climatic Summaries for quality controlled data for prior months and years.

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