Thursday, October19, 2017 L-36.com


Marine Weather and Tides
King William, VA

Version 3.4
What's New / NOTES
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.
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.

Sunrise 7:21AMSunset 6:27PM Thursday October 19, 2017 11:24 PM EDT (03:24 UTC) Moonrise 6:00AMMoonset 5:45PM Illumination 0% Phase: New Moon; Moon at 29 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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ANZ635 Rappahannock River From Urbanna To Windmill Point- 939 Pm Edt Thu Oct 19 2017
Overnight..W winds 5 kt. Waves 1 foot. Patchy fog after midnight.
Fri..N winds 5 to 10 kt. Waves 1 foot.
Fri night..N winds 5 kt. Waves 1 foot.
Sat..N winds 5 kt...becoming E in the afternoon. Waves 1 foot.
Sat night..SE winds 5 kt. Waves 1 foot.
Sun..SE winds 5 kt. 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 10 to 15 kt. Waves 1 to 2 ft. A chance of showers.
Tue..S winds 15 kt. Waves around 2 ft. Showers likely.
ANZ600 939 Pm Edt Thu Oct 19 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 over the mid atlantic region through Saturday, and gradually slides off the coast on Sunday. A cold front will approach from the west on Monday, and push through the waters late Tuesday and Tuesday night.

7 Day Forecast for Marine Location Near King William, VA
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location: 37.62, -77.12     debug


Area Discussion for - Wakefield, VA
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Fxus61 kakq 192332
afdakq
area forecast discussion
national weather service wakefield va
732 pm edt Thu oct 19 2017

Synopsis
High pressure remains over the mid atlantic region through
the weekend... With temperatures gradually warming. The next
cold front is expected to impact the region early next week.

Near term until 6 am Friday morning
High pressure results in another clear night ahead. Not as cool
as last night with lows in the mid 40s to lwr 50s. Some patchy
ground fog possible late inland and along area rivers.

For those interested in astronomy, the planet uranus makes its
closest approach to earth tonight, being visible most of the
night. To find it, look in the southeast sky. It will be blue-
green in color and in the constellation pisces.

Short term 6 am Friday morning through Sunday night
Surface high remains anchored along and just offshore of the
local area through Saturday, as upper ridge builds over the se
conus. Gradually rising heights will bring a steady moderation
of temperatures fri-sun. Highs Fri in the m-u70s... L70s right at
the coast. Early morning lows Saturday morning in the u40s-
around 50f inland... To the l-m50s at the immediate coast. Highs
sat again in the m-u70s... L70s right at the coast.

Rain chances finally return to the forecast by Monday. A slow-
moving longwave trough pushing across the plains over the
weekend will carve out a deep closed low over the mid to lower
mississippi river valley Sunday night and Monday, as the
attendant surface front pushes across the oh tn river valleys
through Monday night. The GFS continued its trend from 00z of
being the more progressive solution, with the ECMWF lagging a
bit behind, as it is a bit more amplified with the upper trough.

The sensible wx highlights should be comparable in this case,
with rain chances expected to hold off until Monday night across
the piedmont, into Tuesday along and east of i-95. Temps in the
remain mild ahead of the front with highs in the 70s to near 80
degrees along the coast.

Long term Monday through Thursday
Sfc low pressure deepening over the southeast states Mon night
will get absorbed into a larger upper level trough digging over
the midwest and as far south as the mid-mississippi valley on
tue. Rain will be ongoing as a cold front (extending from ny to
ne ga) is pushed ewd by the incoming upper trough. A much colder
canadian airmass moves into the area behind the cold front
beginning Tue night with showers lingering into wed. Decent cold
air advection paired with a tight pressure gradient will likely
allow dewpoints to plummet while temperatures are slower to
fall respond which is common. Upper trough swings through the
region Wed wed night. Highs near normal Tue (70-75f) with
widespread rain present. Lows Tue night in the upper 40s to
lower 50s inland and mid to upper 50s closer to the coast. Highs
wed near normal to around 5 degrees below normal with readings
in the mid-upper 60s. Much cooler Wed night Thu with lows
generally in the 40s (around 50f immediate coast) and highs of
60-65f.

Aviation 23z Thursday through Tuesday
Vfr conditions continue through the forecast period as high
pressure dominates. Some patchy ground fog possible once again
late tonight.

Outlook: sfc high pressure slides farther offshore on Sunday,
with a cold front expected to push across the local area late
Monday through Tuesday. At least periodic sub-vfr conditions in
rain lowering ceilings likely Tuesday Wednesday.

Marine
Genly benign conditions over the waters for the next several
days with sfc high pressure in place across the region. There
will be a weak cold front pushing SE from the great lakes and
off the nj coast Fri morning. Not anticipating any headlines
with this feature, but this will allow for a modest increase in
winds to 10-15 kt Fri morning as the winds shift to the n. Still
only expect waves to build to around 2 ft for the bay lower
james, and to remain around 3 ft for the coastal waters. Strong
surface high re-establishes its control over the region fri
night through Sunday with waves mainly 1 ft and seas of 2-3 ft.

The next chance for significant weather over the waters does not
come until early next week as a strong cold front approaches
from the west on Monday, and slowly crosses the waters Tue or
tue night. The pressure gradient will lead to increasing
southerly flow ahead of the front Mon into early tue, and
strong nnw winds behind the front Tue night or wed. Sca
headlines will likely be needed for most or all of the area
during this period.

Akq watches warnings advisories
Md... None.

Nc... None.

Va... None.

Marine... None.

Synopsis... Mam
near term... Mpr mam
short term... Alb mam
long term... Bmd
aviation... Mpr
marine... Lkb


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
YRSV2 - Chesapeake Bay,VA 26 mi55 min WSW 1.9 52°F 1023 hPa51°F
44041 - Jamestown, VA 33 mi45 min SSW 3.9 G 5.8
YKTV2 - 8637689 - Yorktown, VA 43 mi55 min SSW 4.1 G 4.1 62°F 70°F1021.8 hPa
LWTV2 - 8635750 - Lewisetta, VA 43 mi55 min WSW 2.9 G 2.9 59°F 65°F1021.6 hPa
44058 - Stingray Point, VA 46 mi45 min WSW 7.8 G 7.8 66°F 1022.2 hPa
PPTM2 - 8578240 - Piney Point, MD 47 mi55 min SW 7 G 8
YKRV2 - 8637611 - York River East Rear Range Light, VA 48 mi55 min SW 8 G 8.9 66°F 1022.5 hPa
NCDV2 49 mi55 min Calm G 1.9 56°F 66°F1020.5 hPa

Wind History for Lewisetta, VA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Richmond, Richmond International Airport, VA13 mi31 minN 010.00 miFair56°F46°F70%1022.6 hPa
Ashland, Hanover County Municipal Airport, VA17 mi31 minN 010.00 miFair50°F48°F96%1022.3 hPa
Tappahannock-Essex County Airport, VA20 mi30 minN 010.00 miFair0°F0°F%1022.3 hPa
West Point, Middle Peninsula Regional Airport, VA20 mi30 minN 07.00 miFair49°F49°F100%1022.7 hPa

Wind History from RIC (wind in knots)
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Last 24hrCalmCalmCalmCalmSE3CalmE3CalmCalmCalmSW7SW8S8SW8W434SW6S5S4CalmCalmS3Calm
1 day agoSE3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNW3NE54Calm3S5S4SE3CalmCalmSE3Calm
2 days agoN8N6N6N9N9N9N7N8N8N9N10N14N11NW5N106N6CalmN5E3CalmCalmCalmSE3

Tide / Current Tables for Northbury, Pamunkey River, Virginia
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Northbury
Click for Map
Thu -- 03:10 AM EDT     3.95 feet High Tide
Thu -- 06:59 AM EDT     Moonrise
Thu -- 07:20 AM EDT     Sunrise
Thu -- 09:32 AM EDT     0.09 feet Low Tide
Thu -- 03:12 PM EDT     New Moon
Thu -- 03:34 PM EDT     4.32 feet High Tide
Thu -- 06:25 PM EDT     Sunset
Thu -- 06:45 PM EDT     Moonset
Thu -- 10:06 PM EDT     0.16 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.82.83.63.93.83.22.41.40.60.20.20.71.62.73.74.24.33.93.12.11.20.50.20.4

Tide / Current Tables for White House, Pamunkey River, Virginia
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White House
Click for Map
Thu -- 02:17 AM EDT     3.55 feet High Tide
Thu -- 06:58 AM EDT     Moonrise
Thu -- 07:20 AM EDT     Sunrise
Thu -- 08:37 AM EDT     0.06 feet Low Tide
Thu -- 02:38 PM EDT     3.87 feet High Tide
Thu -- 03:12 PM EDT     New Moon
Thu -- 06:24 PM EDT     Sunset
Thu -- 06:45 PM EDT     Moonset
Thu -- 09:08 PM EDT     0.10 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.43.23.53.432.21.40.60.10.10.51.42.43.23.83.83.52.81.910.40.10.30.9

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 (23,6,7,8)
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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.