Thursday, September19, 2019 L-36.com


Marine Weather and Tides
Mathews, VA

Version 3.4
NOTICE
9/4/2019 Fixed the weather maps due to NOAA moving them.
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 6:49AMSunset 7:08PM Thursday September 19, 2019 4:01 PM EDT (20:01 UTC) Moonrise 9:21PMMoonset 10:45AM Illumination 69% Phase: Waning Gibbous; Moon at 20 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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ANZ631 Chesapeake Bay From Windmill Point To New Point Comfort Va- 102 Pm Edt Thu Sep 19 2019
This afternoon..Waves around 2 ft.
Tonight..NE winds 5 to 10 kt. Waves 1 to 2 ft.
Fri..N winds 5 kt, becoming sw late. Waves 1 foot.
Fri night..SW winds 5 to 10 kt. Waves 1 foot.
Sat..SW winds 5 to 10 kt, becoming S late. Waves 1 foot.
Sat night..SW winds 5 to 10 kt. Waves 1 foot.
Sun..S winds 5 to 10 kt. Waves 1 to 2 ft.
Sun night..SW winds 10 to 15 kt. Waves around 2 ft.
Mon..SW winds 10 to 15 kt. Waves 1 to 2 ft.
Mon night..SW winds 10 to 15 kt. Waves 1 to 2 ft.
ANZ600 102 Pm Edt Thu Sep 19 2019
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 builds toward the area today before becoming centered over the waters on Friday. The high then moves to the south and east of the waters by Sunday morning.


Hourly Forecast for Marine Location Near Mathews CDP, VA
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location: 37.35, -76.25     debug


Area Discussion for - Wakefield, VA
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Fxus61 kakq 191955
afdakq
area forecast discussion
national weather service wakefield va
355 pm edt Thu sep 19 2019

Synopsis
Surface high pressure builds over the region from the north
this evening through Friday... Before becoming anchored along or
just off the carolina coast over the weekend into early next
week.

Near term until 6 am Friday morning
As of 320 pm edt Thursday...

latest analysis reveals strong sfc high pressure (~1028mb)
centered over eastern new england, ridging south into the
carolinas this afternoon. Remaining breezy this aftn with a
still-compressed pressure gradient in place along the SE va ne
nc coastal plain. The cool e-ne winds continues to bring marine-
induced CU stratocu inland across the eastern third of the
local area. Breezy conditions wane a bit this afternoon and
tonight as gradient continues to slacken with TC humberto
farther offshore. Temperatures in the upper 60s to low 70s early
this aftn will top out in the lower to mid 70s by mid aftn,
with upper 60s around 70f for the md atlantic coast.

Clouds once again scour out quickly this evening. A mainly clear
sky, and light wind will combine to bring the coolest night for
most areas in several months tonight. Lows 45-50f inland, with
lower 50s urban areas. As winds diminish, even coastal areas
will likely fall into the 50s to around 60f late under a clear
to mostly clear sky.

Short term 6 am Friday morning through Saturday
As of 345 pm edt Thursday...

surface high will be in place over the area to begin the day,
and will slowly shift SE va eastern nc coastal plain by aftn.

Despite the cool start, readings will warm quickly and top out
a few degrees higher than today. Given dry antecedent conditions
over the region, continued to nudge a degree or two above mos
numbers for forecast maxima, with expected highs into the mid
to upper 70s along the coast, with upper 70s around 80f well
inland (warmest from the piedmont to metro ric) under a mainly
sunny sky.

The sfc high more or less remains in place or shifts just
slightly off the coast of nc Friday night and Saturday. Not
quite as cool Fri night Sat am, but still a little below avg
with lows mainly ranging through the 50s over all but the
immediate coast where lower 60s are expected. Sunny and
continued dry for Sat with temperatures moderating a few more
degrees (to slightly above avg) with highs into the lower to mid
80s (upper 70s around 80f at the coast). Clear Sat night Sun am
with lows in the upper 50s to lower 60s.

Long term Saturday night through Thursday
As of 345 pm edt Thursday...

medium range period characterized by gradually warming and
continued dry conditions. Temperatures will moderate back near
to above normal over the Sunday into early next week, as sfc
high pressure slides offshore. Aloft, upper ridging over the
southeast us will slowly amplify over the region early next
week, allowing for above average temperatures to prevail
through the period. Forecast highs in the mid upper 80s to
around 90 degrees with early morning lows generally in the 60s
area wide.

Rain chances remain essentially nil through the first half of
the period, and don't go much higher even with the next front
early next week. Aforementioned upper ridge holds strong over
the southeast, and keeps moisture from next (weak) front... And
any remnant moisture from TC imelda... Well north of the local
area late Monday and Tuesday. Pops are no better than slight
chance over far northern CWA Mon night and tue... And silent
(<14%) central and south through the period.

Aviation 20z Thursday through Tuesday
As of 120 pm edt Thursday...

vfr conditions over the region this aftn, though some mid-level
cu sc will keep CIGS in the 3.5 - 4 kft agl range this aftn
along coastal terminals. Winds will remain breeze out of the
ene, with gusts to 20-25kt through 20z or so before winds start
tapering off. Winds inland will avg 10kt or less from the E ne
today under a partly to mostly sunny sky ivof kric terminal.

Outlook: high pressure remains in control tonight through
Monday. Dry conditions will prevail and expect mainlyVFR
conditions during this period with less wind expected.

Marine
As of 330 pm edt Thursday...

the sfc high pressure will continue to build SW toward the area, and
humberto will be far enough offshore to allow the pressure gradient
to relax some. Wind speeds are decreasing as the pressure gradient
is weakening across the region today. Wind gusts have already drop
below SCA thresholds. However, seas waves in the SRN bay will be
very slow to subside. Waves in our northern bay zones have already
dropped below SCA criteria, while waves in southern bay will drop
below 4 ft later this afternoon. Scas will remain for all of the
oceans zones through 12z Saturday as seas continue to subside.

The high is expected to settle into the region from fri-sat before
moving to the SE of the area by Sat night-sun. Winds turn to the n
then NW on Fri before becoming SW by early Sat am. Sustained winds
will remain AOB 12 kt from Fri through the weekend. A weak cold
front approaches the region on Mon before crossing the area from mon
night-tue am. However, conditions are expected to remain sub-sca
from late Sat through early next week.

Tides coastal flooding
As of 515 am edt Thursday...

tidal anomalies have risen to 1.5-2 ft above normal in areas
adjacent to the ches bay rivers. Minor tidal flooding is
expected in areas from the lower md ERN shore to the SRN shore
of the ches bay upper james river during today's high tide.

Therefore, coastal flood advisories have been extended through
late aftn-evening. In addition, all areas that were under
coastal flood statements yesterday early this morning have been
upgraded to coastal flood advisories. Most areas under coastal
flood advisories are expected to see water levels crest above
minor below moderate thresholds. Water levels may approach just
exceed moderate flood thresholds at lewisetta, bayford, and
bishop's head during the high tide cycle this aftn. Lewisetta
will especially have to be watched as water levels crested at
~3.45 ft above mllw early this morning and this aftn's high tide
is the (slightly) higher of the two astronomical tides.

With the persistent (but diminishing) NE wind, tidal anomalies
will remain elevated through late aftn-early evening. After
that, guidance strongly hints at a significant reduction in
tidal anomalies from this evening through Friday night. As a
result, anomalies slowly fall from tonight-fri. However,
lingering nuisance tidal flooding is possible in a few spots
during the high tide early Friday morning.

Most areas along the atlantic coast will see water levels crest just
below minor flood thresholds during today's high tide. However,
there is a chc that water levels reach minor flood thresholds
on the ocean side of the va ERN shore later today.

A high rip current risk is forecast for today, as swell from
humberto propagates toward the coast. The high rip current risk
will likely continue through the end of the work week.

Akq watches warnings advisories
Md... Coastal flood advisory until 11 pm edt this evening for
mdz021>023.

Nc... High surf advisory until 7 pm edt this evening for ncz102.

Va... Coastal flood advisory until 8 pm edt this evening for vaz089-
090-093-096-099-100-524.

Coastal flood advisory until 5 pm edt this afternoon for
vaz084>086-095-097-098-523-525.

Coastal flood advisory until 11 pm edt this evening for vaz075-
077-078.

Marine... Small craft advisory until 8 am edt Saturday for anz650-652-
654-656-658.

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

Small craft advisory until 4 pm edt this afternoon for anz632-
633.

Synopsis... Mam
near term... Mam
short term... Lkb mam
long term... Mam
aviation... Lkb mam
marine... Cp eri
tides coastal flooding...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
YKRV2 - 8637611 - York River East Rear Range Light, VA 8 mi44 min NE 9.9 G 14 67°F 1026.4 hPa
44072 10 mi32 min E 12 G 18 67°F
44058 - Stingray Point, VA 15 mi38 min NNE 7.8 G 9.7 67°F 76°F1030 hPa
YKTV2 - 8637689 - Yorktown, VA 15 mi44 min NE 8 G 11 67°F 76°F1025.4 hPa
RPLV2 - 8632837 - Rappahannock Light, VA 18 mi44 min N 12 G 14 1026.7 hPa
KPTV2 - 8632200 - Kiptopeke, VA 19 mi50 min ENE 8 G 14 72°F
44087 23 mi32 min 75°F3 ft
CHBV2 24 mi50 min ENE 11 G 13 68°F 1024.5 hPa
YRSV2 - Chesapeake Bay,VA 25 mi92 min E 1.9 72°F 1027 hPa53°F
44064 26 mi32 min E 12 G 16 68°F 1025 hPa
WDSV2 - 8638614 - Willoughby Deguassing , VA 26 mi50 min NNE 12 G 15 67°F 1025 hPa
SWPV2 - 8638610 - Sewells Point, VA 28 mi50 min 77°F1025.4 hPa
DOMV2 - 8638511 - Dominion Terminal Association, VA 28 mi50 min NE 7 G 9.9 69°F 1025.7 hPa
44041 - Jamestown, VA 30 mi26 min 69°F 79°F1026 hPa
CRYV2 - 8638595 - South Craney Island, VA 32 mi44 min NNE 13 G 15 68°F 1025.1 hPa
CHYV2 - 8638999 - Cape Henry, VA 32 mi44 min NNE 12 G 15 67°F 1025.3 hPa
WAHV2 - 8631044 - Wachapreague, VA 35 mi44 min NE 12 G 16 67°F 70°F1025.6 hPa
MNPV2 - 8639348 - Money Point, VA 40 mi44 min NE 5.1 G 11 70°F 78°F1024.7 hPa
44099 - Cape Henry, VA (147) 41 mi32 min 74°F6 ft
LWTV2 - 8635750 - Lewisetta, VA 46 mi50 min E 5.1 G 6 65°F 72°F1026.4 hPa
44042 - Potomac, MD 47 mi26 min SSE 1.9 G 1.9 66°F 77°F1028.7 hPa

Wind History for York River East Rear Range Light, VA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Langley Air Force Base, VA19 mi66 minNE 12 G 1610.00 miPartly Cloudy70°F54°F56%1026.4 hPa
Newport News, Newport News / Williamsburg International Airport, VA20 mi68 minNE 1110.00 miMostly Cloudy71°F51°F49%1025.7 hPa
Fort Eustis / Felker, VA24 mi66 minNE 610.00 miMostly Cloudy71°F45°F40%1025.4 hPa

Link to 5 minute data for KLFI

Wind History from LFI (wind in knots)
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Last 24hrNE13E15E13E13E14E16E16
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E15E14E15E15E15--NE15NE13NE9NE9NE12
G19
E14NE12NE10NE10NE10NE12
G16
1 day agoE14E16E17
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E15E12E16E10E10E12E12E11NE8NE12NE9E12NE11NE12E14E15NE12NE12NE10NE12E13
2 days agoSE5SE7E5SE6NE5E6S5S3CalmCalmCalmCalmCalmCalm------E15--E13E16E15E16E16
G23

Tide / Current Tables for New Point Comfort, Mobjack Bay, Virginia
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New Point Comfort
Click for Map
Thu -- 12:33 AM EDT     2.46 feet High Tide
Thu -- 06:44 AM EDT     0.52 feet Low Tide
Thu -- 06:50 AM EDT     Sunrise
Thu -- 11:45 AM EDT     Moonset
Thu -- 12:55 PM EDT     2.79 feet High Tide
Thu -- 07:07 PM EDT     Sunset
Thu -- 07:33 PM EDT     0.68 feet Low Tide
Thu -- 10:21 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.42.42.21.81.30.90.60.50.71.21.72.32.72.82.62.31.81.30.90.70.70.91.31.8

Tide / Current Tables for York Spit Light, Mobjack Bay, Virginia
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York Spit Light
Click for Map
Thu -- 12:23 AM EDT     2.43 feet High Tide
Thu -- 06:34 AM EDT     0.52 feet Low Tide
Thu -- 06:50 AM EDT     Sunrise
Thu -- 11:45 AM EDT     Moonset
Thu -- 12:45 PM EDT     2.76 feet High Tide
Thu -- 07:06 PM EDT     Sunset
Thu -- 07:23 PM EDT     0.68 feet Low Tide
Thu -- 10:21 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.42.42.11.71.20.80.60.50.81.31.82.32.72.72.62.21.71.30.90.70.711.41.8

Weather Map
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wmap_A
GEOS 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 (16,3,4,5)
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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.