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Marine Weather and Tides Woodstock, VA Version 3.4

NOTICE 3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone. 1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17. 1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

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Sunrise 6:56AM

Sunset 7:15PM

Sunday September 19, 2021 10:19 AM EDT (14:19 UTC)

Moonrise 6:05PM

Moonset 4:18AM

Illumination 96%

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.

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7 Day Forecast for Marine Location Near Woodstock, VA

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Area Discussion for - Baltimore, MD/Washington

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FXUS61 KLWX 191409 AAA AFDLWX

Area Forecast Discussion . UPDATED National Weather Service Baltimore MD/Washington DC 1009 AM EDT Sun Sep 19 2021

SYNOPSIS. High pressure will settle over New England today. Mostly dry and seasonable weather is slated through Tuesday. A strong cold front will pass through the area later Wednesday into Thursday and Canadian high pressure will build overhead late next week.

NEAR TERM /UNTIL 6 PM THIS EVENING/.

Fair weather expected today as subsidence inversion continues to strengthen per 12Z IAD sounding. Temperatures will be cooler today under a northerly flow behind a cdfnt that moved through the area last night.

Previous afd .

Rex blocking over the central US continues as upper level ridging gradually shifts eastward over the next few days. Surface high pressure to our north will shift over New England today, resulting in a weak cold front dropping southward. Dry conditions are expected today, aside from the slight chance for an isolated shower over the southern Potomac Highlands and the Central Shenandoah Valley as moisture advection over the Gulf states tries to nudge northward. However, given the influence from the high, thinking it should remain mostly dry. Otherwise, expect mostly sunny skies with temperatures in the upper 70s to low 80s across the region.

SHORT TERM /6 PM THIS EVENING THROUGH TUESDAY/. Upper level ridge will crest over the Mid Atlantic region by early Monday morning as surface high pressure develops offshore; inducing an easterly flow. The high will reside offshore through Tuesday as mostly dry and seasonable weather is expected to continue during this time. As an upper level trough approaches from the west, cloud cover will increase late Tuesday as well as an increased chance for showers Tuesday night into Wednesday.

LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/. For Wednesday, the aforementioned upper level trough will sharpen and become negatively tilted before eventually cutting off over the Ohio Valley into Thursday. A strong cold front associated with this system will push through late Wednesday into Thursday bringing rain to the entire region. Thinking the threat for severe weather is still low at this time, as instability still seems to be lacking. Even with a lot of shear present, still have to at least have a little bit of instability to work with, and no guidance is showing that at this time.

For Thursday night, expecting the rain to be gone and for skies to clear out with much cooler temperatures. Lows will reach the mid to upper 50s along/east of I-95, then the 40s to low 50s further west. May even see the potential for some frost across the Allegheny Front.

Friday through the weekend will be cooler, with highs in the low to mid 70s each day. The primary upper-low will try to spin through the region towards the end of the period, which could bring some showers and continued cooler temperatures.

AVIATION /14Z SUNDAY THROUGH THURSDAY/. Northerly winds will shift to the east later this afternoon.

Similar conditions are expected through Tuesday with pre-dawn fog mainly along and west of the Blue Ridge but generally VFR conditions along with a mix of sun and clouds during the daytime hours.

Sub-VFR conditions expected Wednesday into Thursday with a strong cold front pushing through the region. Thoughts on timing for now are late Wednesday into early Thursday for best rain chances. Conditions should return to VFR by late Thursday in the wake of the cold front.

MARINE. Northerly channeling is expected today with SCA conditions likely over the Chesapeake Bay. Winds relax this afternoon, but marginal SCA conditions could persist over the southern waters through early next week.

For Wednesday into Thursday, marine hazards are expected sometime during the period as a cold front passes over the waters. Gale conditions will be possible Thursday.

TIDES/COASTAL FLOODING. Anomalies have dropped on northerly winds, but developing onshore flow early in the week may cause new water level rises. Minor coastal flooding will be possible middle of the week under strengthening srly flow before strong frontal passage early Thu.

LWX WATCHES/WARNINGS/ADVISORIES. DC . None. MD . None. VA . None. WV . None. MARINE . Small Craft Advisory until 11 AM EDT this morning for ANZ531>534-539>541-543.

SYNOPSIS . LFR NEAR TERM . LFR SHORT TERM . SOUZA LONG TERM . CJL AVIATION . LFR/CJL MARINE . LFR/CJL TIDES/COASTAL FLOODING .

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Weather Reporting Stations

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On 03/09/2021 the NDBC primary processing servers were shut off due to a facilities issue. Station pages on the NDBC website are not updating and there is no ETR at this time. We will update this banner as we learn more.

Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
WASD2 - 8594900 - Washington, DC	86 mi	49 min	NE 4.1 G 7	75°F	78°F		1021.8 hPa

Wind History for Washington, DC

(wind in knots)    EDIT      (on/off)   Help

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NW3 G7

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure

Link to 5 minute data for KW45

Wind History from W45 (wind in knots)

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NW8

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Tide / Current Tables for Aquia Creek, Virginia

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Tide / Current Tables for Fredericksburg, Rappahannock River, Virginia

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Weather Map

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GEOS Local Image of    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
Link to Loop

Other links: GEOS-West     Contential US     Full GOES-East

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Ground Weather Radar Station

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