Dahlgren
NOAA CO-OPS station 8635027
Observed , 10 minutes ago
Challenging
Small Craft Advisory in effect. Light and variable winds, building. Water 73°F, air 63°F. Rest of This Afternoon: NE Winds 15 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
1.2kn
Gust
2.7kn
Direction
47° NE
Trend
Steady
Last 12 hours0 to 4.3 kn
Water Level
3ft
Datum
MLLW
Last 12 hours2.9 to 3.8 ft
Air temp
63°F
58 to 66°F today
Water temp
73°F
73 to 74°F today
Pressure
1026mbar
Tendency
Rising
3 hour change
+0.8 mbar
Last 12 hours1025 to 1027 mbar
Zone forecast
Rest of This Afternoon
NE Winds 15 Kt With Gusts To 25 Kt. Waves 2 Ft. A Slight Chance Of Showers.
Tonight
NE Winds 15 To 20 Kt. Gusts Up To 30 Kt In The Evening. Waves 2 Ft.
Thu
NE Winds 15 To 20 Kt. Waves 2 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 Indian Head to Cobb Island MD
Last 24 hours
Every 3 hours, over the last 12 hours. Air 58 to 66°F, water 73 to 74°F, pressure 1,025 to 1,027 mbar over the same window.
2 stations within 30 NM
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Get Buoycast for iPhoneCommon questions
Can I be notified when conditions change at station 8635027?
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 Indian Head to Cobb Island 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 8635027 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 8635027 for next time?
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Station 8635027
38°19'12" N 77°02'13" 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.