Washington d.c.
NOAA CO-OPS station 8594900
Observed , 11 minutes ago
Challenging
Small Craft Advisory in effect. Light and variable winds, easing. Water 75°F, air 64°F. Rest of This Afternoon: NE Winds 10 Kt With Gusts To 25 Kt.
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Get Buoycast for iPhoneSmall Craft Advisory
Small Craft Advisory issued September 23 at 6:22PM EDT until September 25 at 6:00AM EDT by NWS Baltimore MD/Washington DC
* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, Chesapeake Bay north of North Beach MD, Patapsco River including Baltimore Harbor, Chester River to Queenstown MD, and Eastern Bay. * WHEN...Until 6 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft.
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Get Buoycast for iPhoneWind
Speed
2.7kn
Gust
11kn
Direction
83° E
Trend
Easing
Last 12 hours1.2 to 7.8 kn
Water Level
3.8ft
Datum
MLLW
Last 12 hours2.3 to 4.3 ft
Air temp
64°F
56 to 67°F today
Water temp
75°F
75 to 77°F today
Pressure
1028mbar
Tendency
Rising
3 hour change
+1.3 mbar
Last 12 hours1027 to 1029 mbar
Zone forecast
Rest of This Afternoon
NE Winds 10 Kt With Gusts To 25 Kt. Waves 1 Ft.
Tonight
NE Winds 10 To 15 Kt With Gusts To 20 Kt. Waves 1 Ft.
Thu
NE Winds 10 To 15 Kt With Gusts To 20 Kt. Waves 1 Ft.
Synopsis
A strong area of high pressure will remain in place to our north through the remainder of the week leading to a prolonged period of onshore flow. A strong coastal low will then develop in the Atlantic Thursday and intensify as it lifts northward into this weekend. Small Craft Advisories will likely be needed for much of the Friday through Saturday time period, and a few low-end gale gusts can't be ruled out.
NWS zone Tidal Potomac from Key Bridge to Indian Head MD
Last 24 hours
Every 3 hours, over the last 12 hours. Air 56 to 67°F, water 75 to 77°F, pressure 1,027 to 1,029 mbar over the same window.
3 stations within 30 NM
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Get Buoycast for iPhoneCommon questions
Can I be notified when conditions change at station 8594900?
Buoycast Pro lets you set your own limits on wind, waves or pressure and sends a threshold notification when this station crosses them.
Does this page show NOAA warnings for this area?
Watches, warnings, and advisories for Tidal Potomac from Key Bridge to Indian Head MD 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 station 8594900 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 station 8594900 for next time?
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Station 8594900
38°52'23" N 77°01'19" W
Measured by 400+ NOAA CO-OPS stations. Observations from the Center for Operational Oceanographic Products and Services, forecasts and advisories from the National Weather Service. Not for navigation.