Saturday, August17, 2019 L-36.com


Marine Weather and Tides
Charles City, VA

Version 3.4
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7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:25AMSunset 8:00PM Saturday August 17, 2019 6:32 PM EDT (22:32 UTC) Moonrise 8:27PMMoonset 7:11AM Illumination 95% Phase: Waning Gibbous; Moon at 17 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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ANZ632 Chesapeake Bay From New Point Comfort To Little Creek Va- 358 Pm Edt Sat Aug 17 2019
Through 7 pm..SE winds 5 to 10 kt. Waves 1 foot. A slight chance of showers and tstms.
Tonight..SW winds 5 to 10 kt. Waves 1 foot.
Sun..SE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
Sun night..E winds 5 to 10 kt, becoming sw after midnight. Waves 1 foot.
Mon..S winds 5 to 10 kt. Waves 1 foot.
Mon night..SW winds 10 kt. Waves 1 foot.
Tue..S winds 5 to 10 kt. Waves 1 foot.
Tue night..SW winds 10 kt. Waves 1 foot.
Wed..SW winds 10 kt. Waves 1 foot.
Wed night..SW winds 10 to 15 kt. Waves 1 to 2 ft. Winds and waves higher in and near tstms.
ANZ600 358 Pm Edt Sat Aug 17 2019
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 frontal boundary will remain stalled near the southern waters today. A wave of low pressure will traverse the boundary Sunday afternoon and evening.


7 Day Forecast for Marine Location Near Charles City CDP, VA
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location: 37.33, -77.16     debug


Area Discussion for - Wakefield, VA
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Fxus61 kakq 171950
afdakq
area forecast discussion
national weather service wakefield va
350 pm edt Sat aug 17 2019

Synopsis
A weak area of low pressure will track northeast along the
carolina coast tonight and then push off the outer banks and
virginia capes Sunday. Weak high pressure builds into the area
Monday and settles off the coast Tuesday.

Near term through Sunday
As of 350 pm edt Saturday...

current WV imagery depicts a moist frontal band along the
carolina coast, with the rap model analysis showing a mid-level
trough near the sc coast, and surface observations and analysis
showing weak low pressure beneath the upper level feature.

Locally, a surface trough still lingers over central and
s-central va, with a sea-breeze boundary over the ERN shore.

Iso-sct showers tstms have developed over the piedmont to the w
of the surface trough where surface heating has been stronger,
with additional activity along the sea-breeze over the ern
shore. Coverage of showers tstms will remain limited through the
late aftn early evening, and then quickly dissipate later this
evening. Temperatures this aftn are generally in the mid 80s to
around 90f, with dewpoints in the mid 70s for many locations
resulting in some heat indices of 95-100f. Warm and humid
conditions will continue through tonight with lows of 70-75f.

Fog and stratus are expected to develop late tonight into early
Sunday morning primarily for the piedmont, central and s-central
va, interior NE nc, and the md ERN shore.

The system along the sc coast tonight will slowly drift newd
along the coast tonight and push off the outer banks and va
capes later tonight into Sunday. Guidance is mixed with regard
to how far N showers will extend, but the 17 12z href does
depict a decent signal for showers and perhaps a few embedded
tstms pushing into far SE va and NE nc primarily late tonight
into Sunday morning. Pops are highest (60-70%) along the coast
and adjacent to the albemarle sound and tapering off to 20-40%
from the peninsula to the lower ERN shore. There is a potential
for locally heavy rain with decent forcing for ascent combined
with pw value upwards of 2.25" and a deep warm cloud layer.

Pops gradually diminish through the aftn as the wave pulls off
the coast. However, some showers tstms could drift off the blue
ridge into the piedmont later in the aftn. Continued humid with
high temperatures ranging from the low mid 80s along the coast,
with low 90s from the i-95 corridor W where heat indices could
approach 100f.

Short term Sunday night through Tuesday
As of 350 pm edt Saturday...

Sunday night through Tuesday will largely be dominated by mid
and upper level ridging and weak high pressure at the surface,
as the frontal boundary finally pushes well off the coast. Hot
and humid conditions develop as 850mb temperatures rise to 19-
21c Monday and Tuesday, and this should support high
temperatures in the low mid 90s (upper 80s at the coast) both
days. Dewpoints potentially remain 70-75f during peak heating
resulting in heat indices of 100-105f. Morning lows will
generally be 70-75f. Pops are mainly 20% or less Monday, and
15-30% Tuesday.

Long term Tuesday night through Saturday
As of 350 pm Saturday...

large scale pattern at the beginning of the extended period
will feature ridging over the WRN atlantic southwest us, with a
strong upper low just S of the hudson bay. Weak troughing over
the southeast us (between the two ridges) will allow for
isolated- scattered aftn evening convection to develop on wed
(pops mainly 20- 40%). Ridging over the WRN atlantic slowly
retreats to the SE on Thu fri. This happens as the area low low
pressure (sfc-aloft) over the hudson bay moves eastward and the
trailing cold front slowly approaches the region from the nw. As
the cold front approaches the region by late thu, more
organized convection could develop (especially north west) late
thu and persist through the first part of Thu night. As a
result, have high-end chc pops from 18z thu-06z fri. The cold
front potentially stalls over the SRN part of the CWA from fri-
next weekend as the western atlantic ridge tries to build back
westward. If the front stalls, this would lead to continued
chances of scattered showers tstms (highest during the
aftn evening).

Highs mainly in the low 90s on wed-thu, cooling into the mid
80s for most areas by fri-sat. Forecast lows are mainly in the
low 70s on Wed thu, with mid-upper 60s inland around 70f near
the coast from Fri through next weekend.

Aviation 20z Saturday through Thursday
As of 200 pm edt Saturday...

a stationary front is located off the carolina coast this aftn,
with a weak area of low pressure developing along the boundary
near the sc coast. A weak trough remains over the local area,
with some isolated showers and tstms developing over the
piedmont well W of ric. Additionally, sea-breeze convection is
developing over the md ERN shore. Confidence with regard to a
direct impact on any of the terminals is low through 00z. The
aforementioned area of low pressure will track NE along the
boundary late tonight into Sunday morning, bringing the
potential for showers and embedded tstms to ecg, and
potentially orf. MVFR ifr vsby in rain is possible late tonight
into Sunday morning at ecg along with MVFR cigs. Ifr fog stratus
could once again develop late tonight into Sunday morning, with
the best potential at ric phf. The low gradually pulls away
from the coast during the aftn, with a low probability (15-20%)
of an aftn shower or tstm.

MainlyVFR conditions are expected to prevail Monday through
Thursday. A low probability of aftn evening showers tstms will
continue Monday and Tuesday. A higher chc of showers tstms
arrives by Wednesday and Thursday as a trough moves through the
area.

Marine
As of 350 pm edt Saturday...

high pressure off the coast is leading to 5-10 knot winds from
the east and southeast this afternoon. Waves are around 1 ft and
seas range from around 2 ft S to 2-3 ft n.

Winds will slowly become more southerly tonight but remain 5-10
knots. Global and high-res models have come into better
agreement regarding the expected track of low pressure currently
located off the sc coast. This low will move rather quickly
northeastward overnight and is expected to clip the area during
the day on Sunday. Will show increasing southeasterly flow of
10-15 knots from the southern ches bay southward into the
coastal waters through early afternoon as the low tracks
northeastward from the albemarle sound tomorrow afternoon. Winds
will quickly switch from onshore to offshore as the low passes
a given latitude. Southerly flow resumes by early Monday into
the mid week period. Waves will build to 1-2 ft (highest at the
mouth of the bay) on Sunday while seas will briefly build to 2-4
ft S and ~3 ft N as the low passes. Seas subside to 2-3 ft s
and closer to 3 ft N through mid week.

Akq watches warnings advisories
Md... None.

Nc... None.

Va... None.

Marine... None.

Synopsis... Ajz tmg
near term... Ajz
short term... Ajz tmg
long term... Eri
aviation... Ajz
marine... Rhr


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44041 - Jamestown, VA 21 mi33 min 87°F 86°F1015.4 hPa (-0.4)
YRSV2 - Chesapeake Bay,VA 24 mi63 min SE 1.9 89°F 1016 hPa78°F
YKTV2 - 8637689 - Yorktown, VA 37 mi45 min ESE 11 G 14 84°F 83°F1014.5 hPa
YKRV2 - 8637611 - York River East Rear Range Light, VA 44 mi45 min SSE 15 G 17 81°F 1015.8 hPa
DOMV2 - 8638511 - Dominion Terminal Association, VA 47 mi51 min ESE 5.1 G 8 83°F 1015.7 hPa
44072 48 mi33 min SW 16 G 18 81°F 84°F1 ft

Wind History for Yorktown USCG Training Center, VA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Richmond, Richmond International Airport, VA15 mi99 minS 410.00 miMostly Cloudy90°F72°F56%1014.4 hPa
Chesterfield County Airport, VA20 mi97 minESE 610.00 miA Few Clouds90°F73°F59%1015.4 hPa
Petersburg, Dinwiddie County Airport, VA21 mi58 minN 010.00 miFair84°F74°F72%1015.2 hPa
Williamsburg-Jamestown Airport, VA24 mi58 minN 010.00 miFair88°F73°F62%1015.2 hPa

Link to 5 minute data for KRIC

Wind History from RIC (wind in knots)
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Last 24hrSE9SE8CalmSE5CalmS3SE4CalmSE3CalmCalmCalmS3CalmCalmCalmS4CalmSE653CalmS4S8
1 day agoE4E8E5SE6SE3S4N3N3NE5NE5SE3N3NE4N3N4E6NE6NE33W16
G22
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2 days agoNE6E4E4S7CalmCalmCalmNW5N4CalmNE3CalmCalmNE6E6E8NE7NE7E9E11E8W12S7NE5

Tide / Current Tables for Westover, James River, Virginia
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Westover
Click for Map
Sat -- 04:36 AM EDT     2.76 feet High Tide
Sat -- 06:26 AM EDT     Sunrise
Sat -- 08:11 AM EDT     Moonset
Sat -- 11:20 AM EDT     0.26 feet Low Tide
Sat -- 04:59 PM EDT     2.59 feet High Tide
Sat -- 07:58 PM EDT     Sunset
Sat -- 09:26 PM EDT     Moonrise
Sat -- 11:29 PM EDT     0.37 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.51.11.72.32.72.72.52.11.510.50.30.30.71.322.42.62.52.11.61.10.70.4

Tide / Current Tables for City Point (Hopewell), James River, Virginia
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City Point (Hopewell)
Click for Map
Sat -- 05:25 AM EDT     3.03 feet High Tide
Sat -- 06:26 AM EDT     Sunrise
Sat -- 08:12 AM EDT     Moonset
Sat -- 12:02 PM EDT     0.33 feet Low Tide
Sat -- 05:50 PM EDT     2.89 feet High Tide
Sat -- 07:58 PM EDT     Sunset
Sat -- 09:27 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.81.52.22.7332.621.40.90.50.30.51.11.82.42.82.92.62.11.510.6

Weather Map and Satellite Images
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wmap_A
GOES Local Image of Mid-Atlantic    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.
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Wind Forecast for Wakefield, VA (18,4,5,8)
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Ground Weather Radar Station Wakefield, VA
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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 numerious 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.