Thursday, August6, 2020
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Marine Weather and Tides
Ebony, VA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:20AMSunset 8:12PM Thursday August 6, 2020 8:52 PM EDT (00:52 UTC) Moonrise 9:17PMMoonset 8:04AM Illumination 91% Phase: Waning Gibbous; Moon at 18 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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ANZ637 James River From Jamestown To The James River Bridge- 325 Pm Edt Thu Aug 6 2020
Through 7 pm..SE winds 5 to 10 kt. Waves 1 foot. Showers and tstms likely.
Tonight..S winds 5 to 10 kt. Waves 1 foot. Showers and tstms likely early in the evening, then a chance of tstms in the late evening and early morning. A chance of showers in the late evening and overnight.
Fri..S winds 5 kt. Waves 1 foot. A chance of showers in the morning, then a chance of showers and tstms in the afternoon.
Fri night..SW winds 5 kt. Waves 1 foot. Showers and tstms likely, mainly in the evening.
Sat..SW winds 5 kt. Waves 1 foot. A chance of showers. A chance of tstms in the afternoon.
Sat night..S winds 5 kt, becoming sw late. Waves 1 foot. A chance of showers and tstms in the evening.
Sun..NW winds 5 kt, becoming E in the afternoon. Waves 1 foot.
Sun night..S winds 5 kt. Waves 1 foot.
Mon..S winds 5 to 10 kt. Waves 1 foot.
Mon night..S winds 5 to 10 kt. Waves 1 foot. Winds and waves higher in and near tstms.
ANZ600 325 Pm Edt Thu Aug 6 2020
Synopsis for fenwick island de to currituck beach light nc out 20 nautical miles including virginia portion of the chesapeake bay, currituck sound and portions of the james, york, and rappahannock rivers.. A weak front will meander near or just north of the area waters through Friday. High pressure settles over the area Saturday afternoon into Sunday.


7 Day Forecast for Marine Location Near Ebony, VA
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location: 36.57, -78     debug


Area Discussion for - Raleigh, NC
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FXUS62 KRAH 062349 AFDRAH

AREA FORECAST DISCUSSION National Weather Service Raleigh NC 749 PM EDT Thu Aug 6 2020

SYNOPSIS. A weak cold front will drift into central NC this afternoon and evening, before stalling tonight. The front will remain over the region into Saturday before slowly dissipating late in the weekend.

NEAR TERM /THROUGH TONIGHT/. As of 405 PM Thursday .

A mid and upper level trough continues to move east across the Ohio Valley. At the surface, a quasi-stationary frontal boundary stretches from central VA into the Western Piedmont of NC. Ahead of the front, scattered to numerous showers and thunderstorms are developing across the region, with the exception of the NW Piedmont. With sufficient instability (MLCAPE 2500+ J/kg) and moisture (PW in excess of 2 inches), expect this continue through the rest of the afternoon into the early evening hours. SPC mesoanalysis also shows better effective shear compared to yesterday (30-35 kts), so the severe threat is higher, and the SPC has placed the entire region in a marginal risk for severe storms through the evening. The main threat with the storms will be damaging winds. Later this evening into the overnight hours, while convection should dissipate to the south and east, a line of convection associated with the frontal boundary currently over western NC looks to move into the NW Piedmont, weakening as it moves through the rest of central NC. Isolated flash flooding is possible with any slow-moving and/or training storms through tonight, and the WPC has placed portions of the far northern Piedmont in a slight risk for excessive rainfall, with a marginal risk elsewhere in central NC. More low stratus and fog will also be possible across the region early tomorrow morning, especially in the Triad. Lows tonight will again be in the upper-60s to lower-70s.

SHORT TERM /FRIDAY AND FRIDAY NIGHT/. As of 130 PM Thursday .

A positive tilt, weakening mid level trough, characterized by weakly rising heights within the trough base, will extend from the lwr Great Lakes swwd into the OH Valley at 12Z Fri, then drift ewd across the Northeast, middle Atlantic, and cntl Appalachians through 12Z Sat. Weak 500 mb height falls (10-20 meter) will precede the trough along and offshore the nrn middle Atlantic and srn New England coast, with only glancing/peripheral influence over cntl NC.

At the surface, A weak front/aggregate outflow boundary from convection forecast to settle sewd into cntl NC tonight will likely stall as parent convection dissipates over the Piedmont through Fri morning. That feature, along with both a lee trough to the west and the sea breeze to the southeast will serve as initial foci for convective initiation through midday-early afternoon Fri. Multi-cell outflow propagation, amidst modest swly flow around 20-25 kts as in previous days, will continue through early Fri night, supported weakly by the passing mid level trough.

Another day of mostly mid upr 80s will be followed by near climo low temperatures around 70 degrees.

LONG TERM /SATURDAY THROUGH THURSDAY/. As of 140 PM Thursday .

Generally weak wnw flow aloft will prevail through early to mid next week, as a shear axis/weakness and relative minimum in mid level heights develops over the Southeast, between a pair of subtropical ridges forecast to extend across the srn Rockies/srn Plains and cntl N. Atlantic, respectively.

At the surface, a weakening front will dissolve into a remnant lee trough over the srn middle Atlantic Foothills and Piedmont through Sat, where the trough will linger through next week in typical summertime fashion on the wrn periphery of Bermuda high pressure.

The sensible weather related to the pattern described above will feature temperatures mostly in the upr 80s, to around 90 at FAY Sat, heating slightly to around 90 or so through early to mid next week. Mainly diurnal convection will then focus along the lee trough and sea breeze each afternoon.

AVIATION /00Z FRIDAY THROUGH TUESDAY/. As of 745 PM Thursday .

24 hour TAF period: Showers and thunderstorms persist along a stalled surface boundary and will continue through this evening and into the overnight hours, possibly shifting slightly southeastward. KINT and KGSO are most likely to be impacted by the storms. Reduced cigs and visbys and strong gusty winds are possible with the storms. While VFR conditions will continue this evening (in the absence of convection), expect fog/low-stratus to develop across central NC once again, mainly from 08Z to 15Z Friday. Winds will otherwise be calm to light through tonight. Expect improvement through the morning hours and into the early afternoon before more showers and thunderstorms develop during the aft/eve (best chances at KFAY and KRWI).

Looking ahead: Expect diurnally driven aft/eve convection through the extended period, along with the chance for pre-dawn/early morning fog/low-stratus. Otherwise, VFR conditions should prevail.

RAH WATCHES/WARNINGS/ADVISORIES. None.

SYNOPSIS . Badgett NEAR TERM . Danco SHORT TERM . MWS LONG TERM . MWS AVIATION . KC


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
DOMV2 - 8638511 - Dominion Terminal Association, VA 88 mi58 min E 16 G 19 75°F 1017.9 hPa
YRSV2 - Chesapeake Bay,VA 90 mi82 min SSE 1.9 73°F 1018 hPa72°F

Wind History for Dominion Terminal Associates, VA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for KAVC

Wind History from AVC (wind in knots)
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Last 24hrS3CalmS6CalmSW3W3SW3S7S4S5NW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoSW7SW9
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S6S6CalmCalmS4S3CalmSW3CalmCalmCalmCalmCalmCalmCalmCalm
2 days ago----------------------N5N4N5N4N7N4N13N15
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Tide / Current Tables for Petersburg, Appomattox River, James River, Virginia
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Petersburg
Click for Map
Thu -- 01:28 AM EDT     0.37 feet Low Tide
Thu -- 06:18 AM EDT     Sunrise
Thu -- 06:33 AM EDT     3.39 feet High Tide
Thu -- 09:01 AM EDT     Moonset
Thu -- 01:57 PM EDT     0.29 feet Low Tide
Thu -- 07:01 PM EDT     3.22 feet High Tide
Thu -- 08:11 PM EDT     Sunset
Thu -- 10:14 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.40.41.122.93.33.332.41.81.30.80.40.30.61.52.433.232.621.4

Tide / Current Tables for City Point (Hopewell), James River, Virginia
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City Point (Hopewell)
Click for Map
Thu -- 12:15 AM EDT     0.33 feet Low Tide
Thu -- 06:03 AM EDT     3.07 feet High Tide
Thu -- 06:18 AM EDT     Sunrise
Thu -- 09:00 AM EDT     Moonset
Thu -- 12:45 PM EDT     0.26 feet Low Tide
Thu -- 06:31 PM EDT     2.92 feet High Tide
Thu -- 08:11 PM EDT     Sunset
Thu -- 10:14 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.411.72.42.93.12.92.41.81.20.70.40.30.61.322.62.92.92.51.91.40.9

Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Raleigh, NC (20,4,5,8)
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Ground Weather Radar Station Wakefield, VA
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.