Wilmette buoy
NDBC buoy 45174
Observed , 51 minutes ago
Challenging
Small Craft Advisory in effect. Moderate SW winds at 14 kn gusting to 21 kn. Light chop seas at 2 ft with 3 second dominant period from the WSW. Pressure rising rapidly, a weather change is likely. Air 49°F. Rest of Today: West winds 20 to 25 kt.
It tells you it is rough now. The app tells you before it gets rough, with alerts at the wind and wave limits you set.
Get Buoycast for iPhoneSmall Craft Advisory
Small Craft Advisory issued November 8 at 9:39AM CST until November 8 at 6:00PM CST by NWS Chicago IL
* WHAT...West winds to 25 kt expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Burns Harbor IN. * WHEN...Until 6 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft.
Pro also pushes NOAA watches, warnings, and advisories when they are issued.
Get Buoycast for iPhoneWind
Speed
14kn
Gust
21kn
Direction
220° SW
Trend
Easing
Last 11 hours14 to 23 kn
Waves
1.6ft
Period
3 s
Direction
255° WSW
Last 11 hours1 to 2 ft
Air temp
49°F
Last 11 hours45 to 49°F
Pressure
1021mbar
Tendency
Rising
3 hour change
+6 mbar
Last 11 hours1015 to 1021 mbar
Zone forecast
Rest of Today
West winds 20 to 25 kt. Sunny. Waves 1 to 3 ft.
Tonight
Northwest winds 15 to 20 kt diminishing to 10 to 15 kt. Mostly clear. Waves 1 to 3 ft building to 2 to 4 ft.
Monday
West winds 10 to 15 kt becoming southwest in the afternoon. Mostly sunny in the morning, then becoming partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft.
NWS zone Winthrop Harbor to Wilmette Harbor IL
Last 24 hours
Every 3 hours, over the last 12 hours. Air 45 to 49°F, water 53 to 54°F, pressure 1,015 to 1,021 mbar over the same window.
4 stations within 30 NM
These are your in one place. Save the ones you run and Buoycast opens on them.
Get Buoycast for iPhoneCommon questions
How often does buoy 45174 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 45174?
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 45174 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 45174 for next time?
Save it as a favorite and Buoycast opens on the buoys you run.
What this buoy measures
This buoy is not reporting water temperature. Conditions above come from the sensors it does carry, and the forecast, tides and sun times on this page are regional rather than measured at the buoy.
Station 45174
42°08'06" N 87°39'18" W · owned and maintained by Illinois-Indiana Sea Grant
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.