Atw20
NDBC buoy 45013
Observed , 2 hours ago
Challenging
Small Craft Advisory in effect. Light W winds at 10 kn gusting to 14 kn, easing. Rippled seas at 1 ft with 4 second dominant period from the S, easing. Pressure rising at 1,014.6 mbar. Water 47°F, air 47°F. Rest of Today: West wind 15 to 20 knots becoming 10 to 20 knots early in the afternoon, then veering northwest 15 to 20 knots late in the afternoon.
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 8:35AM CST until November 8 at 6:00PM CST by NWS Milwaukee/Sullivan WI
* WHAT...West winds 15 to 20 kt with gusts up to 25 kt. A few gusts up to 30 kt possible. * WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL. * WHEN...Until 6 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft.
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Get Buoycast for iPhoneWind
Speed
9.7kn
Gust
14kn
Direction
280° W
Trend
Easing
Last 10 hours9.7 to 19 kn
Waves
1ft
Period
4 s
Direction
189° S
Last 10 hours1 to 1.3 ft
Air temp
47°F
44 to 47°F today
Water temp
47°F
47 to 49°F today
Pressure
1015mbar
Tendency
Rising
3 hour change
+1 mbar
Last 10 hours1014 to 1018 mbar
Zone forecast
Rest of Today
West wind 15 to 20 knots becoming 10 to 20 knots early in the afternoon, then veering northwest 15 to 20 knots late in the afternoon. Gusts up to 25 knots. Sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon.
Tonight
Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the evening, then becoming northwest 10 to 15 knots after midnight easing to 5 to 10 knots early in the morning. Mostly clear. Waves around 1 foot.
Monday
Northwest wind 5 to 10 knots backing southwest late in the morning, then rising to 10 to 15 knots early in the afternoon becoming southwest 10 to 15 knots late in the afternoon. Partly sunny. Waves around 1 foot.
NWS zone Port Washington to North Point Light WI
Last 24 hours
Every 3 hours, over the last 9 hours. Air 44 to 47°F, water 47 to 49°F, pressure 1,014 to 1,018 mbar over the same window.
2 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.
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.