Mount Vernon, VA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Mount Vernon, VA

April 17, 2024 6:39 PM EDT (22:39 UTC) Change Location
Sunrise 6:26 AM   Sunset 7:49 PM
Moonrise 12:55 PM   Moonset 2:50 AM 
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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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Marine Forecasts
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ANZ535 Tidal Potomac From Key Bridge To Indian Head- 433 Pm Edt Wed Apr 17 2024

Rest of this afternoon - S winds 5 kt. Waves less than 1 ft. Scattered showers with isolated tstms.

Tonight - S winds 5 to 10 kt - .becoming W late. Waves 1 ft. Scattered showers.

Thu - NW winds 5 to 10 kt. Waves 1 ft.

Thu night - NE winds 5 to 10 kt. Waves 1 ft.

Fri - SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

Fri night - S winds 5 to 10 kt - .becoming nw after midnight. Waves 1 ft. A chance of showers.

Sat - NW winds 10 to 15 kt. Waves 1 ft.

Sun - N winds 5 to 10 kt. Waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.

ANZ500 433 Pm Edt Wed Apr 17 2024

Synopsis for the tidal potomac and md portion of the chesapeake bay -
a stationary front will gradually return northward as a warm front today. This system is expected to stall nearby through late tonight before a cold front tracks through on Thursday morning. A stronger cold front approaches the region on Friday into Saturday morning. High pressure gradually pushes in from the west by late in the weekend. Small craft advisories may be needed at times from Thursday into the weekend.


7 Day Forecast for Marine Location Near Mount Vernon, VA
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Area Discussion for - Baltimore, MD/Washington
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FXUS61 KLWX 171849 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 249 PM EDT Wed Apr 17 2024

SYNOPSIS

A stationary front will slowly lift northward as a warm front tonight, eventually pulling north of the region by early Thursday. A weak cold front will track through on Thursday before a stronger cold front arrives on Saturday. High pressure returns on Sunday and into early next week.

NEAR TERM /THROUGH TONIGHT/

Warm front is located along I-64 and separates upper 50s to low 50s and even upper 40s dewpoints. Lots of stable wave clouds seen earlier on visible imagery across southwest areas indicative of convective inhibition present. On the other hand, a destabilizing air mass is seen on visible imagery over ern OH, nrn WV, and wrn PA ahead of main convective line over Michigan and western OH. Latest CAMs suggest that line will reach western MD around 02Z, although can't rule out a few/ isold showers and/or t-storms to develop along the warm front later this afternoon or evening, mainly across northern MD.
Expect the line of convection over OH to weaken rapidly into showers as it enters Maryland tonight as it will be arriving around or after midnight.

Overnight, areas of low clouds and/or fog are likely particularly across north central MD.

SHORT TERM /THURSDAY THROUGH FRIDAY NIGHT/

Warm front lifts into PA Thu followed by a weak cold front.
Guidance shows a stable air mass and plenty of mid-level dry air to prevent convection, so only a windshift is expected.

Next cold front will cross the area Friday with showers expected. Air mass looks stable to prevent thunderstorms.

LONG TERM /SATURDAY THROUGH WEDNESDAY/

A cold front will be draped further south early Saturday, with limited moisture availability but winds will be gusting 20 to 25 knots, especially along and west of the Blue Ridge Mountains.
Highs will be in the 60s to low 60s for much of the area aside from the mountains, where mid 50s will be more common. Slightly cooler weather returns Sunday with continued dry conditions across the area with winds diminishing.

By the start of the workweek, a low pressure system to the south will continue to nudge eastward. A few light showers will be possible, mainly across the southernmost tier counties of our area.
Temperatures will begin to climb back into the upper 60s to near 70 Monday and Tuesday. Renewed shower chances increase as a shortwave moves nearby from the Great Lakes region. Warming conditions will continue into midweek.

AVIATION /18Z WEDNESDAY THROUGH MONDAY/

Some showers and/or t-storms are expected tonight mainly across northern MD. They are likely to stay away from the main terminals, except CHO. Wind shift tomorrow to NW behind a cold front, but remaining dry.

VFR conditions are expected Saturday into Sunday, with gusty WNW winds expected on Saturday before dissipating by Sunday.

MARINE

Showers possible across the northern waters tonight and Fri.
Marginal SCA gusts are possible Thu.

SCA conditions are possible Saturday into Saturday night before winds weaken into Sunday. No other marine hazards are expected for the weekend.

TIDES/COASTAL FLOODING

While some action stages may be reached through Thursday night (anomalies 1-1.5 feet above normal), the greater water level rises and potential for minor flooding will be toward Friday and Friday night as onshore or southerly flow develops ahead of a low pressure system.

LWX WATCHES/WARNINGS/ADVISORIES
DC...None.
MD...None.
VA...None.
WV...None.
MARINE...None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
WASD2 - 8594900 - Washington, DC 14 mi51 min S 7G8 70°F 61°F29.88
BSLM2 - Chesapeake Bay, MD 22 mi69 min SE 4.1 72°F 29.9261°F
NCDV2 25 mi51 min SE 12G13 67°F 65°F29.88
44062 - Gooses Reef, MD 37 mi39 min S 3.9G5.8 58°F 58°F1 ft
TPLM2 - Thomas Point, MD 38 mi39 min ESE 8.9G8.9 66°F 29.94
APAM2 - 8575512 - Annapolis, MD 39 mi51 min E 1G4.1 62°F 64°F29.91
44063 - Annapolis 40 mi39 min N 1.9G1.9 59°F 58°F0 ft
COVM2 - 8577018 - Cove Point LNG Pier, MD 42 mi51 min E 15G16 63°F 29.91
SLIM2 - 8577330 - Solomons Island, MD 42 mi51 min SE 9.9G11 63°F 60°F29.90
CPVM2 44 mi51 min 66°F 62°F
CBCM2 48 mi51 min SE 5.1G6 65°F 61°F29.9059°F
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 48 mi51 min E 6G8 66°F
PPTM2 - 8578240 - Piney Point, MD 48 mi51 min SE 14G15
BLTM2 - 8574680 - Baltimore, MD 49 mi51 min ESE 4.1G5.1 67°F 61°F


Wind History for Washington, DC
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KDCA RONALD REAGAN WASHINGTON NATIONAL,VA 12 sm47 minSSE 0810 smMostly Cloudy70°F59°F69%29.89
KADW JOINT BASE ANDREWS,MD 15 sm44 minSSE 0610 smClear72°F59°F65%29.87
KNYG QUANTICO MCAF /TURNER FIELD,VA 17 sm43 minS 037 smMostly Cloudy Lt Rain 70°F61°F73%29.91
KHEF MANASSAS RGNL/HARRY P DAVIS FIELD,VA 22 sm43 minS 0710 smClear72°F57°F60%29.89
KCGS COLLEGE PARK,MD 23 sm9 minESE 0410 smClear70°F59°F69%29.89
Link to 5 minute data for KDAA


Wind History from DAA
(wind in knots)
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Tide / Current for Marshall Hall, Maryland
   
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Marshall Hall
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Wed -- 03:50 AM EDT     Moonset
Wed -- 04:00 AM EDT     2.30 feet High Tide
Wed -- 06:28 AM EDT     Sunrise
Wed -- 09:50 AM EDT     0.51 feet Low Tide
Wed -- 01:54 PM EDT     Moonrise
Wed -- 04:21 PM EDT     2.33 feet High Tide
Wed -- 07:47 PM EDT     Sunset
Wed -- 10:35 PM EDT     0.50 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Marshall Hall, Maryland, Tide feet
12
am
1.1
1
am
1.6
2
am
1.9
3
am
2.2
4
am
2.3
5
am
2.1
6
am
1.7
7
am
1.2
8
am
0.9
9
am
0.6
10
am
0.5
11
am
0.7
12
pm
1.1
1
pm
1.5
2
pm
1.9
3
pm
2.2
4
pm
2.3
5
pm
2.3
6
pm
2
7
pm
1.6
8
pm
1.1
9
pm
0.8
10
pm
0.6
11
pm
0.5



Tide / Current for High Point, Occoquan Bay, Virginia
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High Point
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Wed -- 03:00 AM EDT     1.58 feet High Tide
Wed -- 03:50 AM EDT     Moonset
Wed -- 06:29 AM EDT     Sunrise
Wed -- 09:12 AM EDT     0.37 feet Low Tide
Wed -- 01:55 PM EDT     Moonrise
Wed -- 03:21 PM EDT     1.60 feet High Tide
Wed -- 07:48 PM EDT     Sunset
Wed -- 09:57 PM EDT     0.36 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

High Point, Occoquan Bay, Virginia, Tide feet
12
am
1
1
am
1.3
2
am
1.5
3
am
1.6
4
am
1.5
5
am
1.2
6
am
0.9
7
am
0.7
8
am
0.5
9
am
0.4
10
am
0.4
11
am
0.7
12
pm
1
1
pm
1.3
2
pm
1.5
3
pm
1.6
4
pm
1.6
5
pm
1.4
6
pm
1.1
7
pm
0.9
8
pm
0.6
9
pm
0.4
10
pm
0.4
11
pm
0.5




Weather Map
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GEOS Local Image of east us   
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Sterling, VA,



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