Wednesday, April25, 2018 L-36.com


Marine Weather and Tides
Irvington, VA

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.

Sunrise 6:15AMSunset 7:50PM Wednesday April 25, 2018 4:24 AM EDT (08:24 UTC) Moonrise 2:24PMMoonset 3:03AM Illumination 75% Phase: Waxing Gibbous; Moon at 10 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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ANZ631 Chesapeake Bay From Windmill Point To New Point Comfort Va- 418 Am Edt Wed Apr 25 2018
Through 7 am..SE winds 10 to 15 kt. Waves 2 to 3 ft. Patchy fog. Vsby 1 to 3 nm.
Today..S winds 5 to 10 kt. Waves 1 to 2 ft. Patchy fog early in the morning. Patchy drizzle in the morning. Scattered showers early in the afternoon, then showers likely late. Vsby 1 to 3 nm early in the morning.
Tonight..NW winds 5 to 10 kt. Waves 1 to 2 ft. Showers likely in the evening.
Thu..NW winds 5 to 10 kt, becoming S late. Waves 1 to 2 ft.
Thu night..SE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers after midnight.
Fri..S winds 10 kt. Waves 1 to 2 ft. A chance of showers.
Fri night..SW winds 5 to 10 kt. Waves 1 foot.
Sat..SW winds 5 kt. Waves 1 foot.
Sat night..SW winds 5 to 10 kt, becoming nw 10 to 15 kt after midnight. Waves 2 to 3 ft.
Sun..NW winds 10 to 15 kt. Waves 2 to 3 ft.
Sun night..NW winds 10 kt. Waves 1 to 2 ft.
ANZ600 418 Am Edt Wed Apr 25 2018
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.. Low pressure tracks across virginia today, then moves away from the coast tonight. Weak high pressure returns Thursday. Another area of low pressure crosses the local area late Thursday night through Friday.

7 Day Forecast for Marine Location Near Irvington town, VA
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location: 37.65, -76.45     debug


Area Discussion for - Wakefield, VA
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Fxus61 kakq 250746
afdakq
area forecast discussion
national weather service wakefield va
346 am edt Wed apr 25 2018

Synopsis
Low pressure tracks across virginia today... Then moves away from
the coast tonight. Weak high pressure returns Thursday. Another
area of low pressure crosses the local area late Thursday night
through Friday.

Near term until 6 pm this evening
As of 345 am edt Wednesday...

weak sfc lo pres INVOF wcentral nc attm... Tracks slowly ene
through ERN va today. Bulk of the ra from the past 24 hours has
lifted N of the local area. Lo CIGS and patchy areas of -ra -dz
and fg linger over much of the fa... W exception over coastal ne
nc. These conditions are expected to last through early mid
morning. Trailing upper level lo pres will slowly cross the area
this afternoon... Accompanied by sct-likely shras.

Otherwise... Vrb clouds-mostly cloudy midday this afternoon.

Models suggest enough instability available as the cold pool
aloft enters crosses the local area (esp SRN SE va-ne nc) for
possible (isold) tstms. Highs today from the m60s-l70s.

Short term 6 pm this evening through Friday
As of 345 am edt Wednesday...

lo pres (sfc-aloft) exits the region this eve resulting in
lowering pops. Will continue W trend of lowering pops sw-ne
this eve... Then drying begins overnight. Expecting some
lingering moisture over far SRN SE areas of the fa into thu
morning. Lows from around 50f NW to the m50s se.

A brief break from the unsettled wx thu... Though expecting
clouds to begin arriving increasing from the ssw as the next
area of lo pres tracks through tn NRN al NRN ga. Have held off
on raising pops above 14% over the (sw portion of the) fa
through 00z 27. Highs Thu mainly 70-75f.

A quick increase in pops (to 50-80%) Thu night as lo pres enters
the fa from the sw. Keeping pops 50-70% NE half of the fa fri
morning... Tapering to 20-30% sw. The lo pres area lifts to the
ne of the local area Fri afternoon... However will be keeping
20-30% as a lo pres trough remains INVOF the fa.

Otherwise... Mostly cloudy then partly sunny fri... W highs from
the u60s-around 70f N to the m70s se.

Long term Friday night through Tuesday
As of 400 pm edt Tuesday...

gfs ECMWF differ early in this period with the GFS showing the last
in a series of S W trofs rounding the base of the long wave trof
late Fri night with it moving off the sern coast Sat ahead of a weak
frontal passage. Meanwhile, the ECMWF is drier with little if any
support for pcpn even with the frontal passage sat. A model blend
results in low chc shwrs across the sern zones late Fri night and
sat keeping the rest of the local area dry for now. Lows Fri nite
upr 40s-mid 50s. Highs Sat upr 60s-mid 70s, cooler at the beaches.

After that, some delightful spring weather on tap early next week as
high pressure builds SE from the gt lakes region Sun to a position
over the local area Mon then off the mid atlantic coast tue. Cool to
start then a warming trend. Highs Sun generally in the 60s. Lows in
the 40s to near 50 se. Highs Mon upr 60s-lwr 70s. Lows upr 40s-lwr
50s. Highs Tue 75-80.

Aviation 08z Wednesday through Sunday
As of 200 am edt Wednesday...

starting out W widespread lifr ifr conditions (primarily due to
cigs)... Except around ecg. Sfc lo pres INVOF wcentral nc will be
tracking slowly NE through ERN va today as an upper level low
arrives from the W and crosses the region midday through this
eve. Will have continued lifr ifr conditions (mainly CIGS through
early mid morning along W occasional patchy -ra -dz. By this
afternoon... Vrb clouds-mostly cloudy as CIGS lift through MVFR
to potential lo endVFR. Will continue W sct-likely shras and
there could be isold tstms as the cold pool aloft crosses the
region from about 17z 25-00z 26. Confidence not high enough attm
to add to the tafs. Wx will be slow to improve tonight as lo
pres finally moves away to the ene.VFR conditions expected thu
as weak hi pres returns. Another area of lo pres will impact the
region by late Thu night into Fri afternoon W flight
restrictions likely due to lower bkn-ovc CIGS and shras. Mainly
vfr conditions expected sat-sun.

Marine
As of 300 pm edt Tuesday...

broad low pressure is situated over upstate sc this afternoon.

Meanwhile, high pressure is centered well off the new england coast.

The resultant pressure gradient between these two features is causing
east to southeast winds of 15-25 kt with gust up to 30 kt that will
last into this evening. Seas will continue to build to 6-10 ft by
this evening; waves reaching 3-5 ft, except up to 6 ft at the mouth
of the bay. Winds waves seas diminish subside overnight into
Wednesday morning as the pressure gradient relaxes. Scas remain in
effect for all waters through late evening, with scas for the rivers
coming down at 11 pm tue, and for the bay sound at 1 am wed. Scas
have been extended into Thursday morning for the southern coastal
waters and Thursday afternoon for the northern coastal waters due to
seas remaining elevated. A high surf advisory for obx currituck will
also remain in effect until 5 am Wednesday for nearshore waves of 8-
10 feet.

Broad low pressure lifts north through the region during Wednesday
with ssw winds 5-15kt becoming NW in the wake of the low Wed night
into thurs morning. After a brief lull midweek the next low pressure
system then impacts the region Friday Saturday.

Akq watches warnings advisories
Md... None.

Nc... High surf advisory until 5 am edt early this morning for
ncz102.

Va... None.

Marine... Small craft advisory until noon edt today for anz634.

Small craft advisory until 6 pm edt Thursday for anz650-652-
654.

Small craft advisory until 10 am edt Thursday for anz656-658.

Synopsis... Alb
near term... Alb
short term... Alb
long term... Mpr
aviation... Alb
marine... Jdm


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
YRSV2 - Chesapeake Bay,VA 21 mi55 min ESE 1.9 59°F 1010 hPa59°F
LWTV2 - 8635750 - Lewisetta, VA 24 mi55 min ESE 9.9 G 11 55°F 56°F1009.3 hPa
RPLV2 - 8632837 - Rappahannock Light, VA 24 mi55 min E 8 G 8.9 1009.7 hPa
44042 - Potomac, MD 27 mi45 min ESE 9.7 G 12 55°F 1010.8 hPa
YKRV2 - 8637611 - York River East Rear Range Light, VA 28 mi55 min ESE 8 G 8.9 56°F 1009.3 hPa
YKTV2 - 8637689 - Yorktown, VA 29 mi55 min E 11 G 12 56°F 56°F1008.2 hPa
PPTM2 - 8578240 - Piney Point, MD 34 mi55 min SE 11 G 13
WAHV2 - 8631044 - Wachapreague, VA 41 mi55 min ENE 8 G 8.9 56°F 56°F1009.3 hPa
KPTV2 - 8632200 - Kiptopeke, VA 42 mi55 min ESE 8 G 9.9 54°F
BISM2 - 8571421 - Bishops Head, MD 45 mi55 min E 8.9 G 11 58°F 56°F1010.4 hPa
SLIM2 - 8577330 - Solomons Island, MD 46 mi55 min ESE 9.9 G 12 57°F 53°F1009.5 hPa
CHBV2 47 mi55 min E 5.1 G 6 54°F 1007.5 hPa
WDSV2 - 8638614 - Willoughby Deguassing , VA 47 mi55 min ENE 8.9 G 9.9 55°F 1008.5 hPa
DOMV2 - 8638511 - Dominion Terminal Association, VA 48 mi55 min N 1 G 4.1 57°F 1008.6 hPa
SWPV2 - 8638610 - Sewells Point, VA 49 mi55 min 57°F1008.4 hPa

Wind History for Lewisetta, VA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
West Point, Middle Peninsula Regional Airport, VA19 mi30 minE 53.00 miOvercast58°F57°F96%1008.8 hPa

Wind History from FYJ (wind in knots)
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1 day agoNE4CalmNE3E4SE6SE8E14
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2 days agoCalmCalmCalmCalmSE6SE5E6S7SE6E12E12E12E9E7E6SE5SE6E5E4E4E4CalmNE3NE3

Tide / Current Tables for Orchard Point, Rappahannock River, Virginia
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Orchard Point
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Wed -- 02:40 AM EDT     0.05 feet Low Tide
Wed -- 04:03 AM EDT     Moonset
Wed -- 06:17 AM EDT     Sunrise
Wed -- 08:42 AM EDT     1.53 feet High Tide
Wed -- 03:18 PM EDT     0.03 feet Low Tide
Wed -- 03:24 PM EDT     Moonrise
Wed -- 07:50 PM EDT     Sunset
Wed -- 09:12 PM EDT     1.53 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.60.30.10.10.20.50.91.31.51.51.41.10.80.50.200.10.30.71.11.41.51.51.3

Tide / Current Tables for Urbanna, Rappahannock River, Virginia
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Urbanna
Click for Map
Wed -- 02:53 AM EDT     0.07 feet Low Tide
Wed -- 04:03 AM EDT     Moonset
Wed -- 06:18 AM EDT     Sunrise
Wed -- 08:55 AM EDT     1.55 feet High Tide
Wed -- 03:25 PM EDT     Moonrise
Wed -- 03:30 PM EDT     0.05 feet Low Tide
Wed -- 07:51 PM EDT     Sunset
Wed -- 09:24 PM EDT     1.56 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.70.40.10.10.20.50.91.21.51.61.51.20.90.50.20.10.10.30.611.41.51.51.4

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 (4,6,7,8)
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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.