Sunday, July5, 2020
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Marine Weather and Tides
Gwynn, VA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
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.

Sunrise 5:50AMSunset 8:29PM Sunday July 5, 2020 3:43 AM EDT (07:43 UTC) Moonrise 8:15PMMoonset 5:01AM Illumination 100% Phase: Full Moon; Moon at 15 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- 328 Am Edt Sun Jul 5 2020
Through 7 am..SW winds 5 to 10 kt. Waves 1 foot.
Today..S winds 5 to 10 kt. Waves 1 foot.
Tonight..S winds 5 to 10 kt. Waves 1 foot.
Mon..S winds 5 to 10 kt, increasing to 10 to 15 kt late. Waves 1 foot.
Mon night..S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Waves 1 foot.
Tue..S winds 5 to 10 kt, becoming se 10 to 15 kt late. Waves 1 to 2 ft.
Tue night..S winds 10 to 15 kt, diminishing to 5 to 10 kt late. Waves 1 to 2 ft.
Wed..SE winds 5 to 10 kt. Waves 1 foot.
Wed night..SE winds 5 to 10 kt. Waves 1 to 2 ft.
Thu..SE winds 5 to 10 kt. Waves 1 foot. A chance of showers. A chance of tstms in the afternoon.
Thu night..SE winds 10 kt. Waves 1 to 2 ft. A chance of showers and tstms in the evening. Winds and waves higher in and near tstms.
ANZ600 328 Am Edt Sun Jul 5 2020
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 will be in control through mid week before unsettled conditions return for the end of the week.


7 Day Forecast for Marine Location Near Gwynn, VA
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location: 37.56, -76.13     debug


Area Discussion for - Wakefield, VA
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FXUS61 KAKQ 050636 AFDAKQ

AREA FORECAST DISCUSSION National Weather Service Wakefield VA 236 AM EDT Sun Jul 5 2020

SYNOPSIS. Weak high pressure will be with us today into Tuesday, before more unsettled conditions potentially return for the middle and end of next week.

NEAR TERM /THROUGH TODAY/. As of 945 PM EDT Saturday .

Convection has waned across the local area this evening. However, there are still a few showers/tstms along and E of the Blue Ridge, and some of this could clip the Ern VA Piedmont, so a 20% PoP will be maintained through 06z. Otherwise, a subtle backdoor cold front is located over the Piedmont, with light SE flow and more stable conditions to the E of the boundary. Temperatures this evening range from the mid 70s to low 80s under a partly cloudy to mostly clear sky. Seasonably mild and humid tonight with lows in the upper 60s to low 70s. Some patchy fog is possible later tonight into very early Sunday morning, but it is not expected to become dense. Some low stratus is also possible over the Piedmont in vicinity of the front.

On Sunday, the mid level heights will rise slightly, while weak sfc high pressure will be centered along the coast. Expect minimal chances for any convection along the coast of SE VA and NE NC, with PoPs up to about 30-35% into the Piedmont after 18Z. A lot of the high res guidance is showing some seabreeze enhancement on the eastern shore so will also have 20-25% PoPs there. Slightly cooler most places with highs in the upper 80s/low 90s.

SHORT TERM /TONIGHT THROUGH TUESDAY/. As of 350 PM EDT Saturday .

Will maintain just slight chc PoPs in the Piedmont Sun evening, then mainly dry overnight. Lows Sun night in the upper 60s to lower 70s. More of the same is in store for Mon, with a chance for sctd aftn/evening showers and tstms primarily inland/Piedmont, and lesser chances near the coast. Very warm again on Mon with highs in the upper 80s to lower 90s. By Tue, deeper moisture in association with sfc low pressure moving up from the S will mostly stay in the Carolinas, so PoPs on Tue will again only be 20-30% for most of the region. Highs continue mainly in the upper 80s to lower 90s.

LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/. As of 350 PM EDT Friday .

An upper low gradually pushes ewd toward the Southeast coast Wednesday into Thursday, with the 04/12z ECMWF/CMC slightly faster than the 04/12z GFS. The general consensus is for this system to lift NNE Friday into Saturday, with the ECMWF/CMC tracking it NNE immediately off the coast, and the GFS tracking it NNE over land. Forecast PoPs Wednesday through Saturday average 20-30% NE to 30-50% SW and highest during the aftn/early evening close to the typical summer diurnal cycle. Temperatures Wednesday through Saturday are forecast to be near seasonal averages, with highs in the upper 80s to low 90s (mid 80s at the immediate coast) and lows in the upper 60s to low 70s.

AVIATION /07Z SUNDAY THROUGH THURSDAY/. As of 230 AM EDT Sunday .

Early this morning, weak high pressure was along the coast. A clear to partly cloudy was over the area with just SCT high and mid level clouds. Winds were very light at 5 kt or less, with some patchy fog/stratus forming. Primarily MVFR conditions for fog are expected at most TAF sites through early this morning. However, PHF could experience brief IFR conditions with shallow ground fog. Becoming VFR after 12Z this morning, with a light E to SE or S wind of 5-8 kt expected for later this morning through this aftn. There is a 20-30% chc of aftn showers/tstms, mainly at RIC and SBY.

Mainly VFR conditions expected for Mon through Wed with mainly a 20-30% chc of aftn/early evening showers/tstms. At this time, there is a somewhat increased chc of showers/tstms Thu, as low pressure is forecast to become located in vicinity of the Carolinas.

MARINE. As of 350 PM EDT Saturday .

Winds that turned northerly this morning behind a weak front have transitioned to onshore (generally NE/ENE) 10-15 kts this afternoon. Waves in the bay are 1-2 ft with seas 2-3 ft offshore.

Quiet marine conditions are expected to prevail through the weekend with flow becoming south/southeast Sunday night. Guidance shows a few hours of 10-15 knot SSE winds in the bay and northern coastal waters Sunday night and again Monday night, otherwise winds will stay aob 10 knots with waves 1 foot and seas 2-3 ft. Increasing winds/waves/seas are forecast for the mid to late week period as low pressure off the GA/Carolina coast lifts slowly to the north and east.

TIDES/COASTAL FLOODING. As of 1000 PM EDT Saturday .

Issued a Coastal Flood Statement for Dorchester County (mainly for Bishop's Head . as it is expected to crest around minor flood thresholds during high tide early Sun AM). Trended the forecast for Lewisetta up to just below minor flood thresholds, but will not issue a statement attm.

AKQ WATCHES/WARNINGS/ADVISORIES. MD . None. NC . None. VA . None. MARINE . None.

SYNOPSIS . TMG NEAR TERM . AJZ/LKB SHORT TERM . LKB/TMG LONG TERM . AJZ AVIATION . TMG MARINE . MPR/RHR TIDES/COASTAL FLOODING . AKQ


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RPLV2 - 8632837 - Rappahannock Light, VA 6 mi55 min S 7 G 8 1015.1 hPa
44058 - Stingray Point, VA 7 mi37 min SW 7.8 G 9.7 82°F1018.5 hPa
YKRV2 - 8637611 - York River East Rear Range Light, VA 24 mi55 min SSE 5.1 G 7 77°F 1015.2 hPa
WAHV2 - 8631044 - Wachapreague, VA 24 mi55 min W 2.9 G 4.1 74°F 84°F1014.9 hPa
44072 26 mi43 min SW 3.9 G 5.8 76°F 81°F1 ft
KPTV2 - 8632200 - Kiptopeke, VA 28 mi55 min SE 4.1 G 5.1 79°F
YKTV2 - 8637689 - Yorktown, VA 30 mi55 min SW 4.1 G 5.1 74°F 81°F1014.3 hPa
YRSV2 - Chesapeake Bay,VA 32 mi73 min WSW 1 71°F 1016 hPa70°F
LWTV2 - 8635750 - Lewisetta, VA 35 mi55 min SW 6 G 7 75°F 84°F1014.6 hPa
44087 37 mi47 min 80°F1 ft
CHBV2 37 mi61 min SSE 5.1 G 7 75°F 1013.4 hPa
WDSV2 - 8638614 - Willoughby Deguassing , VA 41 mi55 min SSE 7 G 8 75°F 1014.3 hPa
DOMV2 - 8638511 - Dominion Terminal Association, VA 44 mi55 min SE 5.1 G 7 76°F 1015 hPa
CHYV2 - 8638999 - Cape Henry, VA 44 mi55 min SSE 4.1 G 5.1 74°F 1014.8 hPa
SWPV2 - 8638610 - Sewells Point, VA 44 mi55 min 80°F1014.5 hPa
PPTM2 - 8578240 - Piney Point, MD 45 mi55 min SSW 8 G 9.9
BISM2 - 8571421 - Bishops Head, MD 46 mi55 min SSW 7 G 8.9 78°F 84°F1014.4 hPa
CRYV2 - 8638595 - South Craney Island, VA 48 mi55 min SE 4.1 G 4.1 76°F 1014.4 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, VA20 mi2.8 hrsN 010.00 miFair71°F70°F100%1014.9 hPa

Link to 5 minute data for KMFV

Wind History from MFV (wind in knots)
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Last 24hr----W3CalmNW5N7N4N6NE7NE6E12E7E7E9--E7E6E5E4SE4SE3----Calm
1 day agoW4----W5W4W5W7----NW6NW4W7W9W6W9W8NW7W7--Calm--CalmSW3Calm
2 days agoCalmCalmCalmCalm----Calm--NE6N6NW6NE7NW4N7NW11
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NW6W10NW8NW6--CalmW3Calm--

Tide / Current Tables for Windmill Point Light, Chesapeake Bay, Virginia
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Windmill Point Light
Click for Map
Sun -- 12:44 AM EDT     Full Moon
Sun -- 05:49 AM EDT     Sunrise
Sun -- 06:01 AM EDT     Moonset
Sun -- 06:16 AM EDT     -0.09 feet Low Tide
Sun -- 11:52 AM EDT     1.02 feet High Tide
Sun -- 06:08 PM EDT     -0.07 feet Low Tide
Sun -- 08:29 PM EDT     Sunset
Sun -- 09:15 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.31.10.90.60.30-0.1-00.20.50.7110.90.70.50.20-0.1-00.20.50.91.1

Tide / Current Tables for Windmill Point, Rappahannock River, Virginia (3)
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Windmill Point
Click for Map
Sun -- 12:44 AM EDT     Full Moon
Sun -- 05:49 AM EDT     Sunrise
Sun -- 06:01 AM EDT     Moonset
Sun -- 06:23 AM EDT     -0.10 feet Low Tide
Sun -- 12:00 PM EDT     1.22 feet High Tide
Sun -- 06:15 PM EDT     -0.08 feet Low Tide
Sun -- 08:29 PM EDT     Sunset
Sun -- 09:15 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.51.41.10.70.40.1-0.1-0.10.20.50.91.11.21.10.90.60.30-0.1-00.20.611.3

Weather Map
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wmap_A
GEOS 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 (3,6,7,8)
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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 numerous 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.