Saturday, March25, 2017 L-36.com


Marine Weather and Tides
York, VA

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:58AMSunset 7:23PM Saturday March 25, 2017 7:29 PM EDT (23:29 UTC) Moonrise 4:36AMMoonset 3:54PM Illumination 3% Phase: Waning Crescent; Moon at 28 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- 653 Pm Edt Sat Mar 25 2017
Tonight..SW winds 10 kt. Waves 1 to 2 ft.
Sun..SE winds 5 to 10 kt. Waves 1 to 2 ft.
Sun night..S winds 10 to 15 kt. Waves 1 to 2 ft.
Mon..S winds 10 to 15 kt. Waves 1 to 2 ft.
Mon night..S winds 10 to 15 kt. Waves 1 to 2 ft.
Tue..S winds 10 kt. Waves 1 foot. A chance of showers and tstms in the afternoon.
Tue night..SW winds 5 to 10 kt...becoming nw after midnight. Waves 1 foot. A chance of tstms in the evening. A chance of showers.
Wed..N winds 5 to 10 kt. Waves 1 foot.
Wed night..NE winds 5 to 10 kt. Waves 1 to 2 ft.
Thu..NE winds 10 kt. Waves 2 ft. Winds and waves higher and visibilities lower in and near tstms.
ANZ600 653 Pm Edt Sat Mar 25 2017
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.. High pressure remains offshore the southeast coast through Monday. A weak frontal boundary drops south to the delmarva Sunday morning before lifting back to north Sunday night and Monday. A cold front crosses the region Tuesday night. Weak high pressure builds over the region Wednesday and Thursday. Onshore winds develop Thursday and are expected to persist into Friday.

7 Day Forecast for Marine Location Near Yorktown CDP, VA
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location: 37.23, -76.5     debug


Area Discussion for - Wakefield, VA
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Fxus61 kakq 252309
afdakq
area forecast discussion
national weather service wakefield va
709 pm edt Sat mar 25 2017

Synopsis
High pressure remains offshore the southeast coast through
Monday. A weak frontal boundary drops south to the delmarva
Sunday morning before lifting back to the north Sunday night
and Monday. A cold front crosses the region late Tuesday through
Tuesday night.

Near term /through Sunday/
Latest analysis indicates surface high pressure centered well
off the SE CONUS coast, with wsw flow aloft and S to SW at the
sfc. A warm day with temperatures mainly ranging from the mid
70s to around 80 f. Skies are mainly free of low- mid clouds
but a fair amount of high clouds are streaming across the area
so will keep sky cover in grids of 30-50% into this evening
leading to partly cloudy wording for most areas.

Remaining dry/mild overnight ahead of low pres lifting ene from
the mid ms valley into the oh valley. A weak sfc boundary
currently over nj will drift south and settle over the ern
shore by late tonight resulting in light onshore winds and
increasing low clouds. Otherwise... S winds will prevail under
mainly bkn-ovc cirrus farther s. Lows m-u40s on the ERN shore
to the l-m50s elsewhere. Will have mention of patchy fog late
(after 5 am) though not anticipating dense fog.

Weakening low pres (sfc-aloft) will continue to track NE the
great lakes sun-sun night... Pushing a weak low level boundary
into/across the fa. Only slgt forcing aloft w/ this
system... Which will likely limit pcpn coverage. Did raise sky
cover to mostly cloudy/cloudy ERN shore and partly-mostly cloudy
elsewhere. Upper level shortwave brushes NW zones late and will
have a 20-30% pops mainly confined to the NW after 21z. Highs
sun to show a strong gradient with temperatures likely stuck in
the 50s in low clouds over the md eastern shore, with l-m70s
inland (in va/ne nc).

Short term /Sunday night through Tuesday/
Lows Sun night in the u40s- around 50f on the ERN shore to the
l-m50s elsewhere, with mainly dry conds and partly cloudy skies.

Initial system lifts into/through new england mon... Leaving fa
w/ continued mild/warm conditions as hi pres (sfc-aloft) remains
invof SE CONUS coast. Vrb clouds Mon w/ pops mainly AOB 20%,
though will have a small area of 30% pops across the far n
through midday. Highs should warm a few degrees compared to
Sunday, into the mid-upper 70s over much of va and interior
northeast nc to the upper 60s to lower 70s near the coast and
over the eastern shore. Upper level ridging to keep it mainly
dry and continued warm Mon night with lows in the 50s. Upper
level trough pushes into the area on Tue as a sfc cold front
passes by late. Continued warm with highs well into the 70s to
near 80 f if rain holds off. There will be a higher chance for
showers and aftn tstms. Will continue with 40-50% pops for now
given some continued timing differences between the gfs/gefs
and slightly slower ecmwf.

Long term /Tuesday night through Saturday/
Low pressure and assoc cold front will be pushing acrs the
region and off the coast Tue night into early Wed morning,
maintaining slgt chc or chc of showers. Dry wx expected for wed
thru most of thu, as high pressure builds in fm the n. Chance
for more showers and possible tstms then Thu night into at
least the first part of sat, as low pressure and another assoc
cold front approaches and moves acrs the region.

Highs in the mid 60s to lower 70s wed, in the mid 50s to mid 60s
thu and fri, and in the 60s to lower 70s sat. Lows in the mid
40s to lower 50s Tue night, in the lower to mid 40s Wed night
and Thu night, and in the mid 40s to lower 50s Fri night.

Aviation /00z Sunday through Thursday/
Vfr conditions over the entire area early this evening. A
stationary front over southern md this evening will move
farther south later tonight. MVFR/ifr ceilings are expected to
develop as the front moves into central va by Sun morning. Winds
will shift to n-ne behind the front and allow for lower ceilings
over eastern portions of the area.

MVFR and potentially ifr conditions will be possible early Sunday
morning, mainly after 10z, at ric/sby due to patchy fog/low
ceilings. Conditions should improve by late Sunday morning besides
sby where low ceilings may linger into Sunday afternoon. A few
showers will be possible by the end of the forecast period.

Outlook: unsettled weather conditions will persist across the region
through mid-week. Sub-vfr conditions will be possible late overnight
and into the early morning hours primarily due to low ceilings.

Scattered showers and thunderstorms will also be possible late
Sunday night into Monday and once again late Tuesday into Wednesday.

Periods of reduced aviation conditions will be possible during times
of precipitation.

Marine
No headlines in the short term tonight thru mon. Late this aftn,
high pressure was cntrd well off the mid atlc coast. While low
pressure was over missouri, with a frontal boundary extending
ewrd acrs the oh valley and pa, then off the nj coast. The
frontal boundary will drop down thru the lower md ERN shore for
late tonight thru sun, before lifting back north of that area
sun night into early Mon morning, as the low lifts NE into the
great lakes. Another low pressure area and assoc cold front will
then track fm the SRN plains ene and acrs the region Mon into
early Wed morning. Other than winds turning to the E or SE for
late tonight thru sun, expect SW or S winds 15 kt or less this
evening thru tue.

As low pressure moves out to sea late Tue night thru wed
morning, winds will turn to the NW then N arnd 10 kt or less.

High pressure will build in fm the N for Wed night and thu, with
ne winds 15 kt or less.

Akq watches/warnings/advisories
Md... None.

Nc... None.

Va... None.

Marine... None.

Synopsis... Lkb
near term... Lkb
short term... Alb/lkb
long term... Tmg
aviation... Ajb/jef
marine... Tmg


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
YKTV2 - 8637689 - Yorktown, VA 1 mi42 min SW 5.1 G 7 72°F 49°F1021.8 hPa
YKRV2 - 8637611 - York River East Rear Range Light, VA 8 mi42 min WSW 8 G 8.9 69°F 1021.5 hPa
44072 13 mi30 min SW 3.9 G 5.8 63°F 49°F1 ft
44041 - Jamestown, VA 15 mi30 min SE 3.9 G 3.9 66°F 53°F
YRSV2 - Chesapeake Bay,VA 17 mi60 min SSW 1.9 74°F 1022 hPa
DOMV2 - 8638511 - Dominion Terminal Association, VA 19 mi42 min SW 9.9 G 11 63°F 1022.4 hPa
WDSV2 - 8638614 - Willoughby Deguassing , VA 20 mi42 min SW 15 G 15 68°F 1023.2 hPa
SWPV2 - 8638610 - Sewells Point, VA 22 mi42 min 51°F1022.4 hPa
CRYV2 - 8638595 - South Craney Island, VA 25 mi42 min SW 5.1 G 9.9 72°F 1022.2 hPa
44058 - Stingray Point, VA 27 mi30 min SSW 5.8 G 7.8 60°F 50°F1 ft1022 hPa (-0.3)
CBBV2 - 8638863 - Chesapeake Bay Bridge Tunnel, VA 27 mi42 min SW 12 G 13 69°F 47°F1022.3 hPa
KPTV2 - 8632200 - Kiptopeke, VA 28 mi42 min SW 6 G 8 49°F
RPLV2 - 8632837 - Rappahannock Light, VA 33 mi42 min S 13 G 14 1022.6 hPa
MNPV2 - 8639348 - Money Point, VA 33 mi42 min SW 5.1 G 6 73°F 54°F1022.3 hPa
CHYV2 - 8638999 - Cape Henry, VA 34 mi42 min SSW 6 G 9.9 73°F
44096 39 mi39 min 50°F2 ft
44099 - Cape Henry, VA (147) 47 mi48 min 50°F2 ft

Wind History for Yorktown USCG Training Center, VA
(wind in knots)    EDIT      (on/off)   Help
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Last
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SW10
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G25
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SE7
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G25
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N9
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NE7
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G10
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SE6

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Newport News, Newport News / Williamsburg International Airport, VA6 mi36 minSW 610.00 miFair69°F51°F53%1022.3 hPa
Fort Eustis / Felker, VA9 mi32 minSSW 310.00 miFair71°F52°F52%1022 hPa
Williamsburg-Jamestown Airport, VA11 mi55 minN 010.00 miFair73°F53°F50%1022.3 hPa
Langley Air Force Base, VA13 mi32 minSSW 78.00 miA Few Clouds71°F52°F51%1023 hPa
Norfolk, Naval Air Station, VA23 mi91 minSSW 710.00 miOvercast74°F48°F41%1022.1 hPa

Wind History from PHF (wind in knots)
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Last 24hrSW12SW12SW10SW9SW10SW11SW10SW12SW14SW13SW14SW14SW14
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1 day agoE5E5S5SE4SE3CalmS5S7S7S3CalmW3CalmS7S7SW8SW7
G14
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2 days agoN4N6NE7N5N7NE4NE7NE6NE7NE6NE5NE5NE11
G15
NE8
G18
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G23
NE10E7E65E8E4E7E6

Tide / Current Tables for Yorktown, York River, Virginia
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Yorktown
Click for Map
Sat -- 01:41 AM EDT     0.12 feet Low Tide
Sat -- 05:36 AM EDT     Moonrise
Sat -- 07:01 AM EDT     Sunrise
Sat -- 08:04 AM EDT     2.52 feet High Tide
Sat -- 02:12 PM EDT     0.06 feet Low Tide
Sat -- 04:53 PM EDT     Moonset
Sat -- 07:22 PM EDT     Sunset
Sat -- 08:20 PM EDT     2.47 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.50.20.10.40.81.422.42.52.421.40.80.30.10.20.51.11.72.22.52.42.11.5

Tide / Current Tables for Penniman Spit, York River, Virginia
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Penniman Spit
Click for Map
Sat -- 02:17 AM EDT     0.13 feet Low Tide
Sat -- 05:36 AM EDT     Moonrise
Sat -- 07:02 AM EDT     Sunrise
Sat -- 08:29 AM EDT     2.72 feet High Tide
Sat -- 02:52 PM EDT     0.12 feet Low Tide
Sat -- 04:53 PM EDT     Moonset
Sat -- 07:23 PM EDT     Sunset
Sat -- 08:51 PM EDT     2.65 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.80.40.10.20.61.21.82.42.72.72.41.91.20.70.20.10.30.81.52.12.52.62.42

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Mid-Atlantic    EDIT
Geos

Wind Forecast for Wakefield, VA (19,4,5,8)
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Ground Weather Radar Station Wakefield, VA
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weather_mapweather_map weather_map

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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 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.