Atw20
NDBC buoy 45013
Observed , 2 hours ago
Challenging
Small Craft Advisory in effect. Moderate NE winds at 14 kn gusting to 16 kn. Small chop seas at 3 ft with 5 second dominant period from the E. Pressure falling at 1,029.8 mbar. Air 61°F. Tonight: Northeast Wind 10 To 15 Knots Rising To 15 To 20 Knots Late In The Evening, Then Veering East After Midnight.
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 September 23 at 2:36PM CDT until September 24 at 1:00PM CDT by NWS Milwaukee/Sullivan WI
* WHAT...East to northeast winds 10 to 20 kt. Waves 3 to 5 ft. * WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL. * WHEN...Until 1 PM CDT Thursday. * 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
16kn
Direction
40° NE
Trend
Steady
Last 10 hours9.7 to 16 kn
Waves
3ft
Period
5 s
Direction
86° E
Last 10 hours3 to 4.9 ft
Air temp
61°F
Last 10 hours59 to 61°F
Pressure
1030mbar
Tendency
Easing
3 hour change
-0.8 mbar
Last 10 hours1030 to 1031 mbar
Zone forecast
Tonight
Northeast Wind 10 To 15 Knots Rising To 15 To 20 Knots Late In The Evening, Then Veering East After Midnight. Partly Cloudy. Waves 3 To 4 Feet.
Thursday
East Wind 15 To 20 Knots Easing To 10 To 15 Knots Early In The Afternoon, Then Becoming East 10 To 15 Knots Late In The Afternoon. Mostly Sunny. Waves 3 To 4 Feet.
Thursday Night
East Wind 5 To 10 Knots Rising To 10 To 15 Knots Late In The Evening, Then Veering Southeast After Midnight Becoming Southeast 10 To 15 Knots Early In The Morning. Mostly Cloudy. Waves 1 To 2 Feet Building To 2 To 4 Feet After Midnight.
NWS zone Port Washington to North Point Light WI
Last 24 hours
Every 3 hours, over the last 9 hours. Air 59 to 61°F, water 59 to 60°F, pressure 1,030 to 1,031 mbar over the same window.
3 stations within 30 NM
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Get Buoycast for iPhoneCommon questions
How often does buoy 45013 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 45013?
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 Port Washington to North Point Light WI 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 45013 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 45013 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 45013
43°06'00" N 87°50'60" W · owned and maintained by University of Wisconsin-Milwaukee
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.