Sunday, April22, 2018 L-36.com


Marine Weather and Tides
Hopewell, 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 6:22AMSunset 7:52PM Sunday April 22, 2018 2:03 PM EDT (18:03 UTC) Moonrise 11:11AMMoonset 12:51AM Illumination 49% Phase: First Quarter Moon; Moon at 7 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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ANZ636 York River- 120 Pm Edt Sun Apr 22 2018
This afternoon..SE winds 10 kt. Waves 1 foot.
Tonight..E winds 10 kt. Waves 1 foot.
Mon..E winds 10 to 15 kt. Waves 1 to 2 ft.
Mon night..E winds 10 to 15 kt. Waves around 2 ft. A chance of rain after midnight.
Tue..E winds 15 to 20 kt. Waves 2 to 3 ft. Rain.
Tue night..E winds 15 to 20 kt, becoming se 10 to 15 kt late in the evening, then becoming S 5 to 10 kt after midnight. Waves 2 to 3 ft, subsiding to 1 foot after midnight. Rain likely.
Wed..SW winds 5 to 10 kt. Waves 1 foot. A chance of rain in the morning, then a chance of showers in the afternoon.
Wed night..W winds 5 kt. Waves 1 foot. A chance of showers in the evening.
Thu..NW winds 5 to 10 kt, becoming W late. Waves 1 foot.
Thu night..SW winds 5 to 10 kt. Waves 1 foot.
ANZ600 120 Pm Edt Sun Apr 22 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.. High pressure remains over the area today. Low pressure tracks from the gulf coast states northeast up along the east coast Monday through Wednesday.

7 Day Forecast for Marine Location Near Hopewell, VA
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location: 37.31, -77.27     debug


Area Discussion for - Wakefield, VA
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Fxus61 kakq 221745
afdakq
area forecast discussion
national weather service wakefield va
145 pm edt Sun apr 22 2018

Synopsis
High pressure remains centered just off the mid atlantic coast
through tonight. Low pressure will track from the gulf coast
states northeast up along the east coast late Monday through
midweek.

Near term through tonight
As of 1025 am edt Sunday...

latest sfc analysis shows ~1030 mb high pressure centered just
offshore. The high also extends up into the great lakes region.

To the west, a potent upper level closed low continues to slide
slowly east across the southern plains toward the lower
mississippi river valley, with an inverted surface trough
developing over the west-central gulf coast region. Late morning
msas data showing pressure falls over the deep south, in the
vicinity of developing sfc low pressure in E louisiana into ms.

It is this feature that will slowly lift our way tonight through
Monday, bringing increasing rain chances later Monday evening
through midweek.

For today, noting some increasing high cirrus over northern
portions of the area. Will continue to see mid to high clouds
increase through the afternoon, especially inland. However, will
nonetheless see another dry, pleasant day with comfortable
temperatures. Nudged high temps up slightly for the afternoon,
mainly in the upper 50s to low 60s along the immediate coast to
upper 60s to around 70 inland.

Local area remains under the influence of sfc high pressure
positioned just off the coast. Another dry night with any pcpn
staying well w-sw of the local area. Expect a partly cloudy sky
with low temps ranging through the 40s.

Short term Monday through Tuesday
As of 350 am edt Sunday...

unsettled wx pattern shaping up this week as low pressure
ejects east from the nations mid section and into the tenn
valley by late mon. Models prog a potent SRN stream S W around
the base of the long wave trof Mon night then move it NE to
near the carolina coast tue. This keeps the local area on the
cooler side of this system with a general rain expected to
overspread the area.

Keeping most of Mon dry except for some low chc pops after 18z
across the far swrn zones. Otw, bcmg cloudy with highs in the
60s except for upr 50s at the beaches. Rain overspreads the fa
mon night except for the lwr md ERN shore where it may take
until 12z Tue to reach. Pops ramp up to categorical south of
i64, likely-chc pops to the north. Lows Mon night mid 40s NW to
mid 50s se. Tue looks wet with cat likely pops throughout the
day. Enough lift gulf of mexico moisture noted for some areas of
mdt to heavy rain. Highs Tue upr 50s NW to mid 60s se.

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

after the main area of rain exits the region between 6-12z
Wednesday, we should see enough sunshine for temperatures to warm up
to around 70 Wed pm. 21 12z gfs ECMWF have showers lingering
throughout the day on wed, so kept pops between 50-60%. GFS even
hints at the possibility of a few thunderstorms Wed afternoon. Most
recent guidance has backed off on the rain Thursday-Friday am. Ecmwf
has the most qpf, and the best chance of rain looks to be over
southern eastern portions of the cwa. Thus, have lowered pops to
below 30%. Highs between 68-74 lows around 50 expected thu-fri.

A potent 500mb shortwave is forecast to track over the northeastern
us Friday into the weekend. This will set the stage for another
chance of rain late Friday-Saturday as well as another shot of
below average temperatures. Still quite a bit of uncertainty
regarding the strength timing of this storm system. Highs in the 60s
on Saturday with lows dropping into the 40s Sunday am.

Aviation 18z Sunday through Friday
As of 145 pm edt Sunday...

vfr through the 18z TAF period. Expect E SE winds at 5-10 kt
this afternoon. Few CU possible at ~5k feet through 22-23z for
ric sby ecg. High clouds gradually lower after 12z Monday from SW to
ne. Winds increase out of the E to 10-15 kt during the day Monday.

Outlook: expect conditions to deteriorate from SW to NE Monday
night as a large area of rain approaches the cwa. This will result
in flight restrictions throughout the day Tuesday at all terminals.

Restrictions will likely last through ~12z Wed before conditions
slowly improve during the day.

Winds remain E for all sites at ~10 kt through 9z tue. East winds
increase to between 15-20 kt (gusts to ~25 kt) at orf phf sby ecg
during the day on Tue and last through 0z wed. Slightly lower
winds (e at 10-15 kt) expected at ric during this timeframe.

Winds decrease after 00z Wed and turn to the SW by Wed afternoon.

Marine
As of 350 am edt Sunday...

high pressure centered over new england and atlantic canada
will prevail across the region today. A S SW wind of 5-10kt this
morning will become SE by this aftn. High pressure pushes off the
srn new england coast Monday and Tuesday as low pressure lifts from
the deep south into the tennessee valley. This will result in
increasing onshore flow. An E wind is expected to reach 10-15kt by
Monday, and then 15-25kt by late Monday night Tuesday Tuesday
evening, with the potential for 25-30kt S of the va nc border
Tuesday. Onshore flow will result in seas building to 5-9ft
Tuesday Tuesday night, with 4-6ft waves in the mouth of the bay (3-
5ft elsewhere in the bay). Broad low pressure crosses the region
Wednesday with the wind becoming NW in the wake of the low. A cold
front approaches from the W later in the week.

Akq watches warnings advisories
Md... None.

Nc... None.

Va... None.

Marine... None.

Synopsis... Mas
near term... Mas mam
short term... Mas mpr
long term... Eri
aviation... Eri
marine... Ajz


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
YRSV2 - Chesapeake Bay,VA 30 mi94 min ESE 4.1 67°F 1030 hPa46°F
YKTV2 - 8637689 - Yorktown, VA 42 mi46 min E 12 G 16 58°F 57°F1028.9 hPa
YKRV2 - 8637611 - York River East Rear Range Light, VA 49 mi46 min SE 12 G 14 54°F 1030 hPa

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, VA14 mi70 minS 910.00 miMostly Cloudy66°F45°F47%1028.5 hPa
Chesterfield County Airport, VA15 mi68 minSE 410.00 miA Few Clouds66°F45°F47%1029.9 hPa
Petersburg, Dinwiddie County Airport, VA16 mi69 minSE 810.00 miFair67°F40°F38%1028.1 hPa

Wind History from RIC (wind in knots)
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Last 24hr33CalmCalmCalmSE3SE10E6SE5SE3SE5SE3S5SE4SE3SE4E4SE5S8S4S73S9S10
G14
1 day agoW8
G22
W13W9NW11N11N6NE5NE3N6NE5SE3CalmCalmN6NE6NE5NE6NE7NE8N5Calm3CalmN4
2 days agoNW20
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N9NW5NW8NW5SW4CalmNW6N9N9N13N13
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NW14
G20

Tide / Current Tables for City Point (Hopewell), James River, Virginia
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City Point (Hopewell)
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Sun -- 01:50 AM EDT     Moonset
Sun -- 03:27 AM EDT     0.41 feet Low Tide
Sun -- 06:25 AM EDT     Sunrise
Sun -- 09:08 AM EDT     3.14 feet High Tide
Sun -- 12:10 PM EDT     Moonrise
Sun -- 04:26 PM EDT     0.30 feet Low Tide
Sun -- 05:46 PM EDT     First Quarter
Sun -- 07:50 PM EDT     Sunset
Sun -- 10:03 PM EDT     2.84 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.61.10.70.40.50.81.52.42.93.132.621.510.60.30.40.81.62.32.72.82.7

Tide / Current Tables for Puddledock Sand
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Puddledock Sand & Gravel
Click for Map
Sun -- 01:51 AM EDT     Moonset
Sun -- 04:00 AM EDT     0.14 feet Low Tide
Sun -- 06:25 AM EDT     Sunrise
Sun -- 09:57 AM EDT     3.44 feet High Tide
Sun -- 12:11 PM EDT     Moonrise
Sun -- 04:44 PM EDT     0.07 feet Low Tide
Sun -- 05:46 PM EDT     First Quarter
Sun -- 07:50 PM EDT     Sunset
Sun -- 10:33 PM EDT     2.87 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.91.20.70.30.10.51.42.42.93.33.43.32.721.30.70.20.10.71.52.12.52.82.8

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 (14,3,4,5)
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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 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.