Friday, August7, 2020
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Marine Weather and Tides
Emporia, 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 6:21AMSunset 8:11PM Friday August 7, 2020 1:47 PM EDT (17:47 UTC) Moonrise 9:41PMMoonset 8:59AM Illumination 86% 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- 1252 Pm Edt Fri Aug 7 2020
This afternoon..SE winds 5 kt. Waves 1 foot. A chance of showers and tstms.
Tonight..S winds 5 kt. Waves 1 foot. Showers likely with a chance of tstms in the evening, then a chance of showers after midnight.
Sat..SW winds 5 kt, becoming S late. 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.
Tue..S winds 5 to 10 kt. Waves 1 foot. A chance of showers and tstms in the afternoon.
Tue night..S winds 5 to 10 kt. Waves 1 foot. A chance of showers and tstms in the evening. Winds and waves higher in and near tstms.
ANZ600 1252 Pm Edt Fri Aug 7 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 Saturday, then push south as a cold front Saturday night. High pressure settles over the area early next week.


7 Day Forecast for Marine Location Near Emporia, VA
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location: 36.66, -77.5     debug


Area Discussion for - Wakefield, VA
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FXUS61 KAKQ 071453 AFDAKQ

AREA FORECAST DISCUSSION National Weather Service Wakefield VA 1053 AM EDT Fri Aug 7 2020

SYNOPSIS. A weak surface boundary will remain near the local area into the weekend. This boundary will promote numerous opportunities for showers and thunderstorms with locally heavy rainfall possible. High pressure settles over the area late in the weekend. Diurnal thunderstorm chances continue early next week.

NEAR TERM /THROUGH TONIGHT/. As of 1050 AM EDT Friday .

Latest analysis shows an upper level trough to our west, while at the surface a stalled frontal boundary remains across the Mid Atlantic. Some patchy areas of fog are lingering in the piedmont but should dissipate before noon. A thick cloud deck has parked itself over the region this morning. Current thoughts are that this cloud deck will remain into early afternoon with a few breaks possible by mid-late afternoon. However, these breaks may allow for just enough diurnal heating to allow high temps to rebound into the mid to upper 80s. If cloud cover does not break this afternoon then temps, instability, and storm chances will be lower than expected.

Otherwise, the upper level trough will slowly progress east today, while the surface boundary will remain in the vicinity of the area. This will once again provide the focus for additional showers and thunderstorms late this afternoon and into the evening. Recent model trends are for a later onset of precipitation (especially in central Va) and therefore have adjusted PoPs to reflect this. While the coverage is not expected to be as widespread, FFG values are very low (around 1 inch/hour in the RIC and VB areas) due to recent heavy rainfall received since Monday. Because of the antecedent conditions, will maintain a Flash Flood Watch for the northern half of the area including the Hampton roads area from Noon today through 2 AM (06Z) Saturday. Convection should diminish after 06Z.

SHORT TERM /SATURDAY THROUGH SUNDAY/. As of 300 AM EDT Friday .

Upper level trough moves offshore this weekend, but the surface boundary will remain in the vicinity of the area. This will keep the chance of afternoon/evening storms in the forecast for both Saturday and Sunday. High pressure tries to settle into the area from the NW by late Sunday. High temps Saturday and Sunday generally in the upper 80s to lower 90s. Low temps both days in the upper 60s to lower 70s.

LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/. As of 345 PM EDT Thursday .

Still looking like a more typical summertime pattern for the medium range period (Sun night through early next week). The large scale through much of the medium range period will feature high pressure (at the surface and aloft) offshore of the SE CONUS coast, with weak upper troughing remaining centered in the vicinity of the Mississippi River Valley. This will allow for temperatures to rise back to near/slightly above average by early next week. In addition diurnal (mainly aftn-evening) showers/tstms are possible each day (Mon-Thu). Will account for this with slight chc-chc PoPs. Highs generally 89-94F with lows from around 70F to the mid 70s through the medium range period.

AVIATION /15Z FRIDAY THROUGH TUESDAY/. As of 645 AM EDT Friday .

Patchy fog and IFR/LIFR ceilings early in the 12Z TAF period. Ceilings and visbys are expected to improve over the next few hours. Winds light and variable this morning becoming S/SE during the day today with wind speeds generally under 10 kts. Scattered showers and thunderstorms expected this afternoon and evening, which may result in brief flight restrictions. Sub-VFR ceilings/visbys possible again early Saturday morning.

Outlook . Mostly VFR conditions expected this weekend outside of isolated afternoon/evening storms which could result in brief flight restrictions.

MARINE. As of 300 AM EDT Friday .

Quiet marine conditions continue into the weekend despite a frontal boundary lingering across the area. S winds aob 10 kts thru Sat become N-NW by Sun behind a cold front that crosses the area Sat night. Winds return to the S aob 10 kts early next week as high pressure. Waves 1-2 ft. Seas 2-3 ft.

AKQ WATCHES/WARNINGS/ADVISORIES. MD . Flash Flood Watch through late tonight for MDZ021>025. NC . None. VA . Flash Flood Watch through late tonight for VAZ048-061-062-064- 068-069-075>078-081>086-089-090-093-095>100-509>525. MARINE . None.

SYNOPSIS . CMF/ERI NEAR TERM . RMM SHORT TERM . CMF LONG TERM . ERI AVIATION . CMF MARINE . MPR


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
DOMV2 - 8638511 - Dominion Terminal Association, VA 61 mi54 min 80°F 1019.3 hPa
MNPV2 - 8639348 - Money Point, VA 64 mi54 min 83°F 83°F1018.7 hPa

Wind History for Dominion Terminal Associates, VA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Emporia, Emporia-Greensville Regional Airport, VA2 mi53 minN 010.00 miOvercast81°F72°F76%1020 hPa
Halifax-Northampton Regional Airport, NC24 mi53 minN 010.00 miMostly Cloudy81°F77°F89%1019.6 hPa

Link to 5 minute data for KEMV

Wind History from EMV (wind in knots)
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Last 24hrSE5S6SW4CalmNE6SE5NE3CalmCalmNE4CalmNE4SE3SE3SE3CalmCalmCalmCalmCalmCalmCalm--Calm
1 day agoSW5S7S5SE5SE5SE3E4SE3CalmCalmE4CalmE3CalmCalmCalmE3CalmCalmCalmE3E3SE4E6
2 days agoS7S4S7S7S3SE3CalmCalmSE3CalmSE3CalmCalmCalmE4CalmE3CalmS3S4SW5S5S5SE4

Tide / Current Tables for Petersburg, Appomattox River, James River, Virginia
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Petersburg
Click for Map
Fri -- 02:10 AM EDT     0.46 feet Low Tide
Fri -- 06:19 AM EDT     Sunrise
Fri -- 07:15 AM EDT     3.28 feet High Tide
Fri -- 09:58 AM EDT     Moonset
Fri -- 02:31 PM EDT     0.36 feet Low Tide
Fri -- 07:42 PM EDT     3.22 feet High Tide
Fri -- 08:10 PM EDT     Sunset
Fri -- 10:40 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.60.50.61.42.333.33.22.82.21.610.60.40.40.91.92.73.13.22.92.41.9

Tide / Current Tables for City Point (Hopewell), James River, Virginia
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City Point (Hopewell)
Click for Map
Fri -- 12:58 AM EDT     0.41 feet Low Tide
Fri -- 06:19 AM EDT     Sunrise
Fri -- 06:45 AM EDT     2.97 feet High Tide
Fri -- 09:58 AM EDT     Moonset
Fri -- 01:19 PM EDT     0.32 feet Low Tide
Fri -- 07:12 PM EDT     2.91 feet High Tide
Fri -- 08:09 PM EDT     Sunset
Fri -- 10:40 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.40.61.21.92.52.932.72.11.510.60.30.40.81.62.32.72.92.82.41.81.2

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 Wakefield, VA (13,3,4,5)
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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.