Monday, August26, 2019 L-36.com


Marine Weather and Tides
Tappahannock, VA

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:33AMSunset 7:49PM Monday August 26, 2019 5:17 AM EDT (09:17 UTC) Moonrise 12:59AMMoonset 4:03PM Illumination 18% Phase: Waning Crescent; Moon at 25 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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ANZ537 Tidal Potomac From Cobb Island To Smith Point- 435 Am Edt Mon Aug 26 2019
.small craft advisory in effect through late tonight...
Rest of the overnight..NE winds 15 kt with gusts to 25 kt. Waves 3 ft. A slight chance of showers.
Today..NE winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft. A chance of showers.
Tonight..NE winds 10 to 15 kt. Gusts up to 25 kt until early morning. Waves 3 ft.
Tue..E winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
Tue night..E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
Wed..S winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms.
Wed night..W winds 5 kt. Waves less than 1 ft. A chance of showers.
Thu..N winds 5 to 10 kt...becoming W after midnight. Waves 1 ft. A chance of showers in the morning.
Fri..SW winds 5 to 10 kt. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms.
ANZ500 435 Am Edt Mon Aug 26 2019
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure will remain parked across new england through Tuesday while low pressure spins off the southeast coast. Both of these systems will depart to the east during the middle of the week as a cold front approaches from the ohio valley. The front is expected to cross the area by Thursday. Small craft advisories may need to be extended through Monday night.


7 Day Forecast for Marine Location Near Tappahannock, VA
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location: 37.93, -76.86     debug


Area Discussion for - Wakefield, VA
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Fxus61 kakq 260853
afdakq
area forecast discussion
national weather service wakefield va
453 am edt Mon aug 26 2019

Synopsis
High pressure remains over new england today and then slowly
slides off the coast Tuesday. Meanwhile, low pressure will be
slow to lift northeast well off the carolina coast. A cold front
approaches from the west Wednesday.

Near term until 6 pm this evening
As of 400 am edt Monday...

1028mb high pressure is centered over new england this morning,
with a stationary front off the carolina coast, and low
pressure well offshore of the southeast coast. Low-level NE flow
continue with this pressure pattern. A band of marine
stratocumulus and iso-sct showers has been slow to move onshore
early this morning, but there are still mid and high clouds
spreading over most of the area, so conditions are generally
partly to mostly cloudy. Temperatures range from the upper 50s
nw to around 70f se.

High-res cams continue to show iso-sct showers moving onshore
throughout today. Forecast soundings depict some instability
developing between about 950-750mb, with a strong stable later
above. Therefore, generally low-topped showers are expected with
no tstms. Pops are primarily 20-50% and highest over SE va.

Most locations will become mostly cloudy to overcast today.

Clouds and onshore flow will result in high temperatures in the
mid 70s to low 80s. QPF will be light with most areas receiving
less than 0.1".

Short term 6 pm this evening through Wednesday
As of 400 am edt Monday...

moist onshore flow will continue tonight as the high remains
over new england and low pressure lingers off the southeast
coast. Mostly cloudy to overcast with a 20-40% chc of light
showers. Low temperatures are expected to range from the mid 60s
to around 70f.

The high slowly drifts off the new england coast Tuesday as the
low offshore tracks to the ne. This will allow for the onshore
component to weaken. However, low-level moisture will be
gradually increasing and there is still a 20-30% chc of showers,
mainly inland from the coast. Mostly cloudy in the morning and
then becoming partly sunny in the aftn with high temperatures in
the upper 70s to low 80s.

The low pushes even farther offshore Tuesday night, and if any
tropical development does occur it will be weak and have no
impact on the local area. Partly cloudy with low temperatures in
the mid 60s to around 70f. A cold front slowly approaches from
the W Wednesday. Models do depict some destabilization, so there
is a chc of aftn evening showers tstms. Warmer with high
temperatures in the low mid 80s under a partly sunny sky.

Long term Wednesday night through Sunday
As of 345 pm edt Sunday...

cold front will be moving off our coast early Thursday with sfc
high pressure building into the area. Pops were kept in (mainly
east of i-95) Thursday. Downslope flow will keep most of the
area dry through the extended forecast period. However, the
front stalls along the carolina coast, which may bring a few
showers to NE nc and va beach. Temperature won't drop too much
behind the front. High will be mainly in the low-mid 80 and lows
in the 60s inland to 70 near the ocean and bay thur-fri.

Temperatures then begin to climb once again ahead of another
cold front next weekend. Temperatures may reach the low 90s
along the i-95 corridor Saturday and Sunday. The beaches will be
slightly cooler with temperatures reaching the mid 80s. Chance
of showers and thunderstorms return for Sunday afternoon with
the font.

Aviation 09z Monday through Friday
As of 200 am edt Monday...

high pressure is anchored over NRN new england as 06z, with a
stationary front and low pressure off the southeast coast. This
is producing a nne NE wind of 6-12kt across the area. NE flow
will continue today with marine st sc expected to push onshore
withVFR CIGS of 4-5kft and occasional MVFR CIGS of 1.5-2.5kft.

Iso-sct showers are also expected to push inland through the
day. A NE wind of 12-15kt is expected along the coast with
occasional gusts to ~20kt. Remaining mostly cloudy tonight, with
some ifr CIGS possible inland mainly at ric, withVFR or MVFR
elsewhere.

A slight chc of showers will continue Tuesday, then there will
be a chc of showers tstms Wednesday aftn evening ahead of a cold
front. High pressure returns later in the week.

Marine
As of 400 am edt Monday...

early this morning high pressure is centered over northern ne
and a low pressure system is well off the sc nc coast. Strong ne
winds continue across the area waters gusting 20-25 kts at
times, especially over the md waters. Waves have been running
2-3 ft and seas 6-8 ft. SCA conditions will continue through
tonight for chesapeake bay and through Tuesday for the entire
coastal waters.

By Wednesday the high weakens and the low pressure off the coast
will be well off to our east. Onshore flow returns by afternoon
Wednesday briefly ahead of a cold front expected to cross the region
late Wednesday or early Thursday. Winds and waves during this period
are expected to remain below SCA criteria.

Tides coastal flooding
As of 445 am edt Monday...

some minor coastal flooding is possible across chesapeake bay
and the outer banks Monday due to a strong and persistent ne
flow. High risk of rip currents through Monday for all mid
atlantic beaches. Expect rough surf and swells.

Akq watches warnings advisories
Md... None.

Nc... None.

Va... None.

Marine... Small craft advisory until 10 pm edt this evening for anz634.

Small craft advisory until 6 pm edt this evening for
anz630>632.

Small craft advisory until 6 pm edt Tuesday for anz650-652-654-
656-658.

Synopsis... Ajz mam
near term... Ajz
short term... Ajz mam
long term... Cp
aviation... Ajz
marine... Cmf
tides coastal flooding...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LWTV2 - 8635750 - Lewisetta, VA 21 mi54 min NE 8.9 G 14 70°F 76°F1020 hPa
PPTM2 - 8578240 - Piney Point, MD 22 mi48 min NE 8 G 11
NCDV2 29 mi54 min N 1.9 G 4.1 64°F 80°F1020 hPa
SLIM2 - 8577330 - Solomons Island, MD 35 mi48 min NNE 11 G 14 68°F 80°F1020 hPa
YRSV2 - Chesapeake Bay,VA 37 mi48 min N 2.9 69°F 1020 hPa65°F
COVM2 - 8577018 - Cove Point LNG Pier, MD 41 mi48 min NE 14 G 20 67°F 1021.1 hPa
BISM2 - 8571421 - Bishops Head, MD 48 mi54 min NNE 9.9 G 18 67°F 74°F1019.8 hPa
44062 - Gooses Reef, MD 49 mi36 min ENE 14 G 18 68°F 1021.4 hPa

Wind History for Lewisetta, VA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Tappahannock-Essex County Airport, VA5 mi1.7 hrsN 310.00 miFair64°F63°F100%1020.7 hPa

Link to 5 minute data for KXSA

Wind History from XSA (wind in knots)
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Last 24hrCalmCalmN3N4N8N9
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N4NE7NE7NE5NE3NE4N3NE4N4N3N5Calm
1 day agoNW3CalmN3CalmN3N4N4CalmN5NW8N7
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N5NW6N4CalmCalmNE4E3CalmCalmN3CalmN3Calm
2 days agoCalmSW3W5CalmCalmCalmCalmCalmCalmS3N5N6N9
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N4N8N5N3N5CalmCalmCalmCalmW3Calm

Tide / Current Tables for Tappahannock, Rappahannock River, Virginia
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Tappahannock
Click for Map
Mon -- 01:58 AM EDT     Moonrise
Mon -- 05:14 AM EDT     0.40 feet Low Tide
Mon -- 06:31 AM EDT     Sunrise
Mon -- 10:25 AM EDT     1.66 feet High Tide
Mon -- 05:02 PM EDT     Moonset
Mon -- 05:05 PM EDT     0.29 feet Low Tide
Mon -- 07:45 PM EDT     Sunset
Mon -- 10:58 PM EDT     2.12 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.71.41.10.80.50.40.50.71.11.41.61.61.51.20.90.60.40.30.40.71.21.722.1

Tide / Current Tables for Wares Wharf, Rappahannock River, Virginia
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Wares Wharf
Click for Map
Mon -- 01:58 AM EDT     Moonrise
Mon -- 04:29 AM EDT     0.44 feet Low Tide
Mon -- 06:31 AM EDT     Sunrise
Mon -- 09:52 AM EDT     1.75 feet High Tide
Mon -- 04:20 PM EDT     0.31 feet Low Tide
Mon -- 05:02 PM EDT     Moonset
Mon -- 07:45 PM EDT     Sunset
Mon -- 10:25 PM EDT     2.24 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.61.30.90.60.50.50.711.41.71.81.61.41.10.70.50.30.40.61.11.622.22.2

Weather Map and Satellite Images
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wmap_A
GOES Local Image of    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 (5,6,7,8)
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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.