Monday, November20, 2017 L-36.com


Marine Weather and Tides
Wachapreague, 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 6:48AMSunset 4:53PM Monday November 20, 2017 1:01 AM EST (06:01 UTC) Moonrise 8:28AMMoonset 6:42PM Illumination 2% Phase: Waxing Crescent; Moon at 1 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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ANZ654 Coastal Waters From Parramore Island To Cape Charles Light Va Out 20 Nm- 931 Pm Est Sun Nov 19 2017
.small craft advisory in effect through Monday morning...
Overnight..NW winds 20 to 25 kt with gusts to around 30 kt. Seas 4 to 5 ft with a dominant period of 5 seconds... Subsiding to 3 to 4 ft with a dominant period of 5 seconds after midnight.
Mon..NW winds 15 to 20 kt...becoming W 10 to 15 kt in the afternoon. Seas 3 to 4 ft with a dominant period of 4 seconds... Subsiding to 2 to 3 ft with a dominant period of 4 seconds in the afternoon.
Mon night..SW winds 10 kt...becoming 10 to 15 kt in the late evening and overnight. Seas 2 to 3 ft.
Tue..SW winds 15 kt. Seas 2 to 3 ft.
Tue night..SW winds 10 to 15 kt. Seas 2 ft. Showers likely after midnight.
Wed..NW winds 10 kt...becoming N 15 to 20 kt in the late morning and afternoon. Seas 2 to 3 ft...building to 3 to 4 ft in the afternoon. Showers likely early in the morning.
Wed night..N winds 15 to 20 kt. Seas 4 to 5 ft.
Thu..N winds 10 to 15 kt. Seas 3 to 4 ft.
Thu night..N winds 5 to 10 kt. Seas 3 to 4 ft.
Fri..N winds 10 to 15 kt. Seas 3 to 4 ft.
ANZ600 931 Pm Est Sun Nov 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 moves across the southeast states through Monday, then slides offshore Monday night and Tuesday. Low pressure will move northeast along the mid atlantic coast Tuesday night ahead of a cold front that pushes offshore Wednesday.

7 Day Forecast for Marine Location Near Wachapreague, VA
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location: 37.58, -75.62     debug


Area Discussion for - Wakefield, VA
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Fxus61 kakq 200552
afdakq
area forecast discussion
national weather service wakefield va
1252 am est Mon nov 20 2017

Synopsis
High pressure moves across the southeastern states through Monday,
then slides offshore Monday night and Tuesday. Low pressure will
move northeast along the mid atlantic coast Tuesday night ahead
of a cold front that pushes offshore Wednesday.

Near term until 6 am this morning
Sfc hi pres will continue to build over the local area
overnight. Other than patchy clouds... Mainly far nne
portions... Skc W wnw winds continuing to diminish (lastly at
the coast). Lows in the l-m30s inland... Near 40f right at the
coast in SE va-ne nc.

Short term 6 am this morning through Wednesday
The sfc high moves across the carolinas Mon then off the coast mon
night and tues. Dry through this period with a warming trend as
winds shift into the ssw. Highs Mon in the low to mid 50s. Lows mon
night in the 30s to near 40 se. Increasing afternoon clouds and
milder tue. Highs 60-65.

A trof develops along the sern coast late tues with a weak area of
low pressure moving NE along it Tue night and wed. Moisture from the
system lifts north with the best lift progged along the coast. Expect
shwrs to spread north Tue night then shift towards the coast wed
morning as the system slides offshore. Likely pops along the bay
and coast... Chc pops west of the bay Tue night. Chc pops along
the coast Wed morning then drying out. QPF generally under one
quarter inch. Lows Tue night in the 40s to near 50 se. Highs wed
in the 50s except near 60 across nern nc.

Long term Wednesday night through Sunday
High pressure builds into the area Thursday resulting in a dry but
cool holiday. Lows Wed night in the 30s to lwr 40s se. Highs thurs
in the upr 40s to lwr 50s.

Another area of low pressure develops off the SE coast late in the
week but it appears the high to the north keeps any sgnfcnt moisture
south of the local area. Dry and continued cool fri. Highs 50-55.

Next cold front approaches from the NW late Sat then crosses then
area early sun. GFS wetter than ECMWF so will go with low chc pops
sat night for now. Warmer Sat ahead of it with highs 55-60. Lows sat
night in the 40s to near 50 se. Cooler behind it Sun with highs mid
40s-lwr 50s.

Aviation 06z Monday through Friday
Vfr conditions across area terminals early this morning, with
vfr conditions to prevail through the TAF period and into
midweek, as high pressure builds back into the region later
today through this evening.

Outlook: high pressure slides offshore late Monday night and
Tuesday. A trough of low pressure develops along the carolina
coast Wednesday with scattered showers possible at area
terminals by later Tuesday into early Wednesday. A brief period
of sub-vfr conditions are possible over the terminals during
this timeframe.

Marine
1000 pm update... Went ahead and cancelled the gale warnings for
the coastal waters, wind gusts have mainly diminished below 34
knots. Winds will continue to slowly decrease overnight, but
still would not be surprised to see a gust or two up to 35
knots out 20nm. Also cancelled the small craft advisories in the
the rivers (minus the lower james) as wind gusts have
diminished below 20 knots in these locations.

Previous discussion... Late this aftn, a cold front was pushing
out to sea, while high pressure was cntrd over NE texas. The
gradient between the exiting cold front and the high pressure
area was resulting in NW winds 15 to 25 kt over the waters with
gusts to around 30 kt. There were a few gusts near 35 kt over
the NRN coastal waters. Will leave gale warning in effect until
4 am for the 3 NRN coastal zns, as gusts to around 35 kt still
possible due to CAA and drier airmass filtering into the area.

Otherwise, sca's will remain in effect for the remainder of the
waters into thru Mon morning, as the cntr of the high builds ene
toward the mid atlc region.

High pressure builds over the SE states into the SRN mid atlc
region Mon into Mon night, then slides out to sea on tue.

Adverse boating conditions Mon morning will subside during the
day, with more benign quiet sub-sca conditions expected Mon aftn
thru Tue night, as winds become SW mainly 10 to 15 kt.

Models in fair agreement with developing a low off the SE coast
tue night, then passing east of CAPE hatteras and ene out to sea
during wed. Next chance for SCA conditions will likely be wed
aftn into Wed night, as cool high pressure builds in fm the
west.

Equipment
The fan on the temperature sensor at the richmond ASOS (kric)
has likely failed, causing erroneous temperature readings. The
contract observer is augmenting the official METAR observations
(hourly METAR and specis). However, the 5-min high resolution
data is automated directly from the sensor and is subject to
reporting this erroneous data. As such, do not rely on the 5 min
temperature data from kric until our techs can repair the
sensor, likely on Monday.

Akq watches warnings advisories
Md... None.

Nc... None.

Va... None.

Marine... Small craft advisory until 10 am est this morning for
anz630>632-634-650-652-654.

Small craft advisory until 7 am est this morning for anz633-
638-656-658.

Synopsis... Alb mpr
near term... Alb mpr
short term... Mpr
long term... Mpr
aviation... Ajb mam
marine... Ajb tmg
equipment...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WAHV2 - 8631044 - Wachapreague, VA 4 mi44 min W 2.9 G 5.1 45°F 50°F1015.5 hPa
44089 19 mi32 min 57°F2 ft
RPLV2 - 8632837 - Rappahannock Light, VA 21 mi44 min WNW 17 G 20 1016.1 hPa
44058 - Stingray Point, VA 34 mi32 min WNW 12 G 14 46°F 1016 hPa
KPTV2 - 8632200 - Kiptopeke, VA 35 mi44 min NW 20 G 23 55°F
44096 40 mi41 min 58°F3 ft
44072 43 mi32 min NW 16 G 18 48°F
CHBV2 45 mi50 min WNW 18 G 22 48°F 55°F1014.9 hPa
YKRV2 - 8637611 - York River East Rear Range Light, VA 45 mi44 min WNW 12 G 14 47°F 1016.6 hPa
44099 - Cape Henry, VA (147) 46 mi32 min 60°F5 ft
44064 47 mi32 min NW 16 G 19 48°F 1016.3 hPa
44042 - Potomac, MD 49 mi32 min W 12 G 14 46°F 1015 hPa
BISM2 - 8571421 - Bishops Head, MD 49 mi44 min NW 14 G 19 44°F 47°F1015.6 hPa

Wind History for Rappahannock Light, VA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Melfa / Accomack Airport, VA9 mi72 minWNW 11 G 1510.00 miPartly Cloudy46°F29°F51%1015.2 hPa

Wind History from MFV (wind in knots)
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1 day agoS4S5S6SW4S6S6S7S8S8
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2 days agoNW17
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NW4NW4CalmCalmCalmCalmCalmS4S4

Tide / Current Tables for Wachapreague Inlet (inside), Virginia
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Wachapreague Inlet (inside)
Click for Map
Mon -- 02:27 AM EST     0.08 feet Low Tide
Mon -- 06:47 AM EST     Sunrise
Mon -- 08:28 AM EST     Moonrise
Mon -- 08:49 AM EST     4.61 feet High Tide
Mon -- 03:13 PM EST     0.28 feet Low Tide
Mon -- 04:48 PM EST     Sunset
Mon -- 06:42 PM EST     Moonset
Mon -- 09:07 PM EST     3.51 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.50.70.10.20.71.62.63.64.44.64.23.52.61.60.70.30.40.91.62.53.23.53.32.8

Tide / Current Tables for Metompkin Inlet, Virginia
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Metompkin Inlet
Click for Map
Mon -- 02:47 AM EST     0.10 feet Low Tide
Mon -- 06:47 AM EST     Sunrise
Mon -- 08:28 AM EST     Moonrise
Mon -- 09:14 AM EST     4.15 feet High Tide
Mon -- 03:23 PM EST     -0.05 feet Low Tide
Mon -- 04:47 PM EST     Sunset
Mon -- 06:42 PM EST     Moonset
Mon -- 09:37 PM EST     3.41 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.60.80.30.10.51.32.33.23.84.143.32.31.30.500.10.61.52.333.33.42.9

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 (1,6,7,8)
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Ground Weather Radar Station Dover AFB, DE
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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.