Friday, June5, 2020
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Marine Weather and Tides
Huntington, 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 5:41AMSunset 8:31PM Friday June 5, 2020 12:27 AM EDT (04:27 UTC) Moonrise 7:37PMMoonset 4:35AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 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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ANZ535 Tidal Potomac From Key Bridge To Indian Head- 1035 Pm Edt Thu Jun 4 2020
Rest of tonight..SW winds 5 kt. Waves less than 1 ft. Scattered showers and tstms.
Fri..S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms.
Fri night..SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms.
Sat..W winds 5 to 10 kt. Waves 1 ft.
Sat night..NW winds 5 to 10 kt. Waves 1 ft.
Sun..NW winds 5 kt. Waves less than 1 ft.
Sun night..N winds around 5 kt. Waves 1 ft.
Mon..S winds around 5 kt. Waves 1 ft.
Tue..S winds around 5 kt. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms.
ANZ500 1035 Pm Edt Thu Jun 4 2020
Synopsis for the tidal potomac and md portion of the chesapeake bay.. A front will remain stationary across pennsylvania tonight into Friday before lifting away Friday night. A strong cold front will then sweep across the waters late Saturday, with canadian high pressure building in for Sunday and Monday. A small craft advisory may be necessary for a portion of the waters on Friday and again Saturday night into Sunday.


7 Day Forecast for Marine Location Near Huntington, VA
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location: 38.79, -77.07     debug


Area Discussion for - Baltimore, MD/Washington
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FXUS61 KLWX 050258 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 1058 PM EDT Thu Jun 4 2020

SYNOPSIS. Upper level disturbance will slowly move east into the Mid- Atlantic through Friday. A stronger cold front will then sweep across the area late Saturday, with Canadian high pressure building in for Sunday into early next week.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/. Shortwave energy passing through the area late this evening into the overnight will lead to showers and scattered thunderstorms. The most widespread activity is expected to be across the northwestern two thirds of the CWA, closer to the shortwave energy. A Flash Flood Watch is in effect overnight for the Washington Metropolitan area into northern Virginia. This is where the higher MUCAPE is lined with a strengthening low-level jet. The low-level jet is nearly parallel to the storm motion, which means convection will train some. Isolated incidents of flooding are possible elsewhere.

Activity should decrease in coverage toward morning as the shortwave energy moves off to the northeast. Patchy fog is possible, but cloud cover should prevent widespread fog from developing. Min temps will be in the 60s for most areas to the lower 70s in Washington and Baltimore.

SHORT TERM /6 AM FRIDAY MORNING THROUGH SATURDAY NIGHT/. Upper shortwave trough will be slowly moving east approaching the Mid-Atlantic region with a weak surface boundary over us. With warm and moist air mass in place, enough instability, and the diurnal heating, additional showers and thunderstorms are expected over our region. Weaker steering flow and PW values between 1.5 and 2 inches increase the risk for flooding. As the upper trough pushes east across our region Friday night, a few showers may linger over us until it moves away.

Quick moving cold front located over the eastern Great Lakes early Saturday will move southeast into our region through the day. Showers and thunderstorms are possible once again over our region. however westerly flow ahead of the front could inhibit some of the development. Front will be out of our area on Saturday night and dry conditions will build into our region behind it.

LONG TERM /SUNDAY THROUGH THURSDAY/. Canadian high pressure will build over the region early next week providing pleasant weather. Sfc high moves offshore with return flow developing leading to increasing warmth and humidity. Aloft, high pressure cell will be centered over the area Tue keeping things dry. The ridge starts breaking down Wed with a weak cold front fcst to cross the area Thu.

AVIATION /03Z FRIDAY THROUGH TUESDAY/. VFR conditions generally expected through Saturday night. Afternoon and evening showers and thunderstorms through Saturday could bring short periods of restrictions over the terminals, including gusty winds, heavy rain and reduction of VSBY/CIGS. Conditions will improve behind a front Saturday night.

Fair weather conditions expected through early next week.

MARINE. Southerly winds may be close to SCA criteria overnight, but confidence is too low for an advisory given the weaker gradient. However, showers and isolated thunderstorms are likely late this evening into the overnight (especially over the northern waters). A Small Craft Advisory is in effect for tomorrow over the southern portion of the MD Chesapeake Bay and lower Tidal Potomac. Winds will decrease on Friday evening into overnight. Saturday there may be short periods of gusty winds near SCA criteria during the day. Winds expected to increase behind a front on Saturday, which may mean SCA possible for Saturday night.

SCA conditions are possible Sunday in northerly flow.

TIDES/COASTAL FLOODING. There's a full moon (high astronomical tide) at the end of this week. Tidal anomalies are currently around 0.5-1.0 ft. Continued light onshore/S flow is expected to cause tidal anomalies to continue to gradually increase. The higher of the two daily tide cycles is during the overnight and morning hours.

There is decent agreement among the guidance in terms of the tide levels through the next 72 hours. Widespread flooding is not currently anticipated due to a lack of stronger onshore flow, but more vulnerable sites (Straits Point, Annapolis, and DC SW Waterfront) may experience minor flooding Friday morning and possibly Saturday morning before winds turn NW/offshore.

LWX WATCHES/WARNINGS/ADVISORIES. DC . Flash Flood Watch until 4 AM EDT Friday for DCZ001. MD . Flash Flood Watch until 4 AM EDT Friday for MDZ013-014-503-504. VA . Flash Flood Watch until 4 AM EDT Friday for VAZ026-027-029-030- 038>040-051>055-501-502-506-507. WV . None. MARINE . Small Craft Advisory from noon to 8 PM EDT Friday for ANZ534- 537-543.

SYNOPSIS . IMR NEAR TERM . BJL/IMR SHORT TERM . IMR LONG TERM . LFR AVIATION . BJL/IMR/LFR MARINE . BJL/IMR/LFR TIDES/COASTAL FLOODING . BJL/DHOF


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WASD2 - 8594900 - Washington, DC 6 mi57 min NNE 4.1 G 6 73°F 77°F1011.9 hPa
BSLM2 - Chesapeake Bay, MD 19 mi117 min SW 1.9 1012 hPa
NCDV2 33 mi63 min SE 2.9 G 5.1 76°F 76°F1011.1 hPa
APAM2 - 8575512 - Annapolis, MD 34 mi57 min 72°F 1012.2 hPa
TPLM2 - Thomas Point, MD 34 mi87 min E 8.9 G 9.9 70°F 69°F1012.6 hPa (+1.4)69°F
44063 - Annapolis 35 mi51 min 66°F 71°F1012.9 hPa
44062 - Gooses Reef, MD 38 mi45 min SSW 5.8 G 5.8 72°F
CPVM2 39 mi57 min 71°F 68°F
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 41 mi57 min W 8 G 8.9 69°F 1013.8 hPa
FSNM2 41 mi69 min W 11 G 14 68°F 1012.9 hPa
BLTM2 - 8574680 - Baltimore, MD 42 mi57 min SSW 4.1 G 5.1 69°F 69°F1013.4 hPa
COVM2 - 8577018 - Cove Point LNG Pier, MD 45 mi57 min ENE 5.1 G 7 1012.2 hPa
SLIM2 - 8577330 - Solomons Island, MD 46 mi57 min SE 1.9 G 2.9 77°F 71°F1011.6 hPa

Wind History for Washington, DC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Washington/Reagan National Airport, DC, VA5 mi35 minNNW 710.00 miThunderstorm72°F69°F91%1012.6 hPa
Fort Belvoir, VA7 mi91 minN 010.00 miFair71°F68°F93%1011 hPa
Camp Springs / Andrews Air Force Base, MD11 mi31 minN 410.00 miThunderstorm in Vicinity72°F68°F90%1012.9 hPa
College Park Airport, MD15 mi32 minN 34.00 miMostly Cloudy68°F64°F88%1012.2 hPa
Washington/Dulles International Airport, DC, VA23 mi35 minNNW 75.00 miThunderstorm Light Rain Fog/Mist70°F68°F93%1013.1 hPa
Quantico Marine Corps Airfield - Turner Field, VA23 mi31 minNNW 6 G 147.00 miMostly Cloudy73°F69°F87%1012.9 hPa
Manassas, Manassas Regional Airport/Harry P. Davis Field, VA24 mi31 minNNW 910.00 miOvercast70°F68°F93%1013.5 hPa

Link to 5 minute data for KDCA

Wind History from DCA (wind in knots)
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Last 24hrW7N4NE3CalmCalmCalmCalmSE4S6S43S5S8S8S10S11S11S11SE9S3S6SE3CalmNW7
1 day agoS6S6S5S6S7S6SW6S10S6SW7SW11W11SW13SW11SW12
G19
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2 days agoS8SW6SW5SW4SW5SW3SW6SW8SW5SW4S4SE4SE3S9S10S10S11S12S11S7S5S4S6S5

Tide / Current Tables for Alexandria, Virginia
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Alexandria
Click for Map
Fri -- 02:24 AM EDT     0.14 feet Low Tide
Fri -- 05:35 AM EDT     Moonset
Fri -- 05:43 AM EDT     Sunrise
Fri -- 08:17 AM EDT     3.75 feet High Tide
Fri -- 03:12 PM EDT     Full Moon
Fri -- 03:22 PM EDT     -0.07 feet Low Tide
Fri -- 08:30 PM EDT     Sunset
Fri -- 08:36 PM EDT     Moonrise
Fri -- 08:54 PM EDT     3.09 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.50.20.20.71.72.73.43.73.63.12.31.610.4-000.71.62.42.93.12.82.2

Tide / Current Tables for Mount Vernon, Virginia
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Mount Vernon
Click for Map
Fri -- 01:59 AM EDT     0.11 feet Low Tide
Fri -- 05:35 AM EDT     Moonset
Fri -- 05:44 AM EDT     Sunrise
Fri -- 07:52 AM EDT     2.96 feet High Tide
Fri -- 02:57 PM EDT     -0.06 feet Low Tide
Fri -- 03:12 PM EDT     Full Moon
Fri -- 08:29 PM EDT     2.44 feet High Tide
Fri -- 08:30 PM EDT     Sunset
Fri -- 08:36 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.30.10.30.91.72.42.832.72.21.61.10.60.1-0.10.20.81.52.12.42.421.5

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Baltimore, MD/Washington (0,6,7,8)
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Ground Weather Radar Station Sterling, 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.