Waukegan buoy

NDBC buoy 45186

Observed , 30 minutes ago

Hazardous

Tonight

Small Craft Advisory in effect. Light N winds at 10 kn gusting to 14 kn. Small chop seas at 3 ft with 5 second dominant period from the NE. Pressure falling at 1,026.4 mbar. Water 64°F, air 65°F. Tonight: Northeast Winds 15 To 20 Kt Becoming East Around 15 Kt Overnight.

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Small Craft Advisory

Small Craft Advisory issued September 23 at 2:40PM CDT until September 23 at 10:00PM CDT by NWS Chicago IL

* WHAT...Significant waves to 4 to 6 ft occasionally to 8 ft occurring. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft.

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Wind

Speed

9.7kn

Gust

14kn

Direction

10° N

Trend

Easing

Last 12 hours7.8 to 14 kn

Waves

2.6ft

Period

5 s

Direction

40° NE

Last 12 hours2.3 to 4.6 ft

Air temp

65°F

61 to 65°F today

Water temp

64°F

63 to 64°F today

Pressure

1026mbar

Tendency

Steady

3 hour change

-0.2 mbar

Last 12 hours1026 to 1028 mbar

Zone forecast

Tonight

Northeast Winds 15 To 20 Kt Becoming East Around 15 Kt Overnight. Mostly Cloudy. Waves 4 To 6 Occasionally To 8 Ft Subsiding To 3 To 5 Ft.

Thursday

East Winds 10 To 15 Kt. Partly Cloudy. Waves 3 To 5 Ft Subsiding To 2 To 4 Ft.

Thursday Night

East Winds 10 To 15 Kt Becoming Southeast Overnight. Partly Cloudy In The Evening, Then Becoming Mostly Cloudy. Waves 1 To 3 Ft.

NWS zone Winthrop Harbor to Wilmette Harbor IL

Last 24 hours

Time WindWaves
9.7 kn N2.6 ft
14 kn N3 ft
7.8 kn N2.6 ft
12 kn NNE3.6 ft
9.7 kn NNE4.3 ft

Every 3 hours, over the last 12 hours. Air 61 to 65°F, water 63 to 64°F, pressure 1,026 to 1,028 mbar over the same window.

4 stations within 30 NM

Waukegan Harbor, IL 1 NM WSW Winthrop Harbor Buoy, IL 7 NM N Wilmette Buoy, IL 15 NM SSE Salmon Unlimited Wisconsin 21 NM NNE

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Common questions

How often does buoy 45186 report?

Wind, temperature and pressure update about every 10 minutes. Wave height and period update about every 30 minutes.

Can I be notified when conditions change at buoy 45186?

Buoycast Pro lets you set your own limits on wind, waves or pressure and sends a threshold notification when this buoy crosses them.

Does this page show NOAA warnings for this area?

Watches, warnings, and advisories for Winthrop Harbor to Wilmette Harbor IL appear alongside the conditions, here and in the app. Pro also pushes NOAA watches, warnings, and advisories when they are issued.

Can I see the forecast against what buoy 45186 measured?

This page shows measurements only. Buoycast Pro charts the NOAA forecast against them so you can see where the two diverge.

Can I keep buoy 45186 for next time?

Save it as a favorite and Buoycast opens on the buoys you run.

Station 45186
42°22'05" N 87°47'42" W · owned and maintained by University of Illinois at Urbana-Champaign

Measured on the water by 1,000+ NOAA buoys. Observations from the National Data Buoy Center, forecasts and advisories from the National Weather Service. Not for navigation.