Wednesday, January19, 2022
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Marine Weather and Tides
Woodburn, 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.

Sunrise 7:22AMSunset 5:16PM Wednesday January 19, 2022 2:03 AM EST (07:03 UTC) Moonrise 6:56PMMoonset 8:47AM Illumination 97% Phase: Waning Gibbous; Moon at 16 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- 1234 Am Est Wed Jan 19 2022
.small craft advisory in effect through this afternoon...
Overnight..S winds 10 kt with gusts to 25 kt. Waves 1 ft.
Wed..SW winds 5 to 10 kt with gusts to 25 kt. Waves 1 ft.
Wed night..SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Rain. Vsby 1 to 3 nm.
Thu..N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Rain with snow likely.
Thu night..N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Fri..N winds 10 to 15 kt. Waves 1 ft. A chance of snow.
Fri night..N winds 5 to 10 kt. Waves 1 ft. A chance of snow.
Sat..NW winds 5 kt. Waves less than 1 ft. A chance of snow in the morning.
Sun..NW winds 5 kt. Waves less than 1 ft.
ANZ500 1234 Am Est Wed Jan 19 2022
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure shifting offshore will bring a southerly return flow beginning late tonight. An arctic front will then turn winds back to the northwest by Thursday, and may be accompanied by rain changing to snow. Low pressure lurking just off the east coast as cold high pressure anchors to the north could set the stage for another winter storm Friday into Saturday. Small craft advisories will likely be needed at times through Thursday, with near gale conditions possible as low pressure passes through early this weekend.


7 Day Forecast for Marine Location Near Woodburn, VA
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location: 38.83, -77.23     debug


Area Discussion for - Baltimore, MD/Washington
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FXUS61 KLWX 190153 AAA AFDLWX

Area Forecast Discussion . UPDATED National Weather Service Baltimore MD/Washington DC 853 PM EST Tue Jan 18 2022

SYNOPSIS. High pressure shifting offshore will bring milder temperatures through the middle part of the week. An Arctic front will bring a sharp drop in temperatures starting Thursday, and may be accompanied by rain changing to snow. Low pressure lurking just off the East Coast as cold high pressure anchors to the north could set the stage for another winter storm Friday into Saturday. A very cold pattern likely continues into next week.

NEAR TERM /THROUGH WEDNESDAY/.

Weak high pressure will build over the area tonight. Clear skies early, but there will be increasing high clouds then mid-level clouds later tonight.

The high will shift offshore Wednesday inducing a southerly return flow and subsequently much milder temperatures well into the 40s to near 50.

SHORT TERM /WEDNESDAY NIGHT THROUGH THURSDAY NIGHT/. An Arctic front will push into the region Wednesday night, crossing the region Thursday morning. Initially, temperatures should be warm enough to support rain across most of the lower elevations. However, much of the atmosphere will not be far from freezing. Colder air behind the front, with a coupled mid/upper jet should set the stage for anafrontal precipitation (where precipitation is along and behind the front, in this case in the colder air). Frontogenesis in the low levels combined with the jet aloft may result in an enhanced area of rain changing to snow during the Thursday morning commute. A coating to an inch of snow is most likely, especially on grassy surfaces given the milder temperatures initially, but a few inches are possible beneath any such band that develops.

Very cold temperatures dropping into the teens and single digits are expected late Thursday night, with a steady light wind likely remaining over the ridges where even colder temperatures are expected. Dangerously cold wind chills are possible over the higher elevations as a result. Any remaining moisture will freeze as temperatures drop.

The front will drop southward through Thursday night, setting up a volatile baroclinic zone near the Gulf Stream as Arctic high pressure builds to the north.

LONG TERM /FRIDAY THROUGH TUESDAY/. A cold front that is expected to impact the region on Thursday will stall to the south on Friday and become the focus for continued precipitation over southern VA and the Carolinas. Shortwave energy originating over northwestern Canada is forecast to traverse through south central Canada and down into central U.S. Plains through the end of this week. This shortwave energy is forecast to intensify into a positively-tilted trough over the eastern Plains and Great Lakes region. The upper trough axis is currently projected to drop down into the eastern half of the U.S. Friday into Saturday. Models are disagreeing on how far south the upper trough drops into the eastern U.S. The Euro had been notably more amplified until its 12z run, with the GFS and CMC guidance trending slightly more amplified from their previous runs - this sets up a broad but still uncertain consensus. Depending on how far the trough descends southward, it could interact with the stalled boundary over the Carolinas to generate a coastal low which would track northeastward along the Eastern Seaboard. If the low tracks close enough along the coast, our region could see some decent snowfall especially considering the cold air mass that will build into the region Friday into Saturday. Some guidance has been suggesting the potential for a major snow storm affecting our region late Friday night into Saturday, but confidence remains low.

There is general agreement right now that this initial coastal low should be out of our region by Sunday but the GFS has a secondary low forming off of southern stream energy over the southern US and tracking northward near the coast on Sunday. Regardless, most long term guidance suggests further unsettled weather will be possible into early next week with a pretty cold air mass remaining in place over the region.

AVIATION /02Z WEDNESDAY THROUGH SUNDAY/. VFR conditions through Wednesday. Brief MVFR conditions Wednesday night and Thursday morning with rain and/or snow. Winds becoming south 5-10 knots tonight, then southwest 10 to 15 knots Wednesday. Winds will shift with the cold front Wednesday night to northwest 10 to 15 knots. Winds northwest 15 knots Thursday into Thursday night. Gusts 20-25 kt possible. LLWS expected late tonight into Wednesday morning.

A coastal low will bring the potential for sub-VFR conditions and possibly gusty winds late Friday into Saturday, especially near and east of the Blue Ridge.

MARINE. Sfc flow will become S through Wednesday as high pressure moves offshore. A cold front will turn winds back to the NW Wednesday night into Thursday. Small Craft Advisories may need to be extended through Wednesday night or Thursday.

A coastal low will likely pass nearby Friday into Saturday. Small Craft Advisory conditions are likely with gale conditions possible if the low is stronger and closer to the coast, but uncertainty is relatively high.

LWX WATCHES/WARNINGS/ADVISORIES. DC . None. MD . None. VA . None. WV . None. MARINE . Small Craft Advisory from 3 AM to 6 PM EST Wednesday for ANZ530>543.

SYNOPSIS . LFR NEAR TERM . LFR SHORT TERM . DHOF LONG TERM . JMG AVIATION . LFR/JMG MARINE . LFR/JMG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WASD2 - 8594900 - Washington, DC 11 mi46 min 0G1 31°F 35°F1022.4 hPa
BSLM2 - Chesapeake Bay, MD 28 mi94 min 0 25°F 1022 hPa23°F
NCDV2 37 mi46 min SW 2.9G4.1 32°F 39°F1022.6 hPa
APAM2 - 8575512 - Annapolis, MD 41 mi46 min SSE 2.9G5.1 31°F 37°F1022 hPa
44063 - Annapolis 42 mi40 min S 12G14 32°F 1022.7 hPa
TPLM2 - Thomas Point, MD 42 mi64 min S 6G8 35°F 38°F1023.5 hPa (+0.0)
BLTM2 - 8574680 - Baltimore, MD 46 mi46 min W 2.9G4.1 30°F 40°F1021.7 hPa
CPVM2 46 mi46 min 36°F 29°F
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 46 mi46 min S 7G8 33°F 1022.1 hPa
FSNM2 46 mi46 min S 8.9G13 34°F 1021.4 hPa
44062 - Gooses Reef, MD 47 mi40 min SSW 9.7G14 34°F 38°F1024.7 hPa

Wind History for Washington, DC
(wind in knots)    EDIT      (on/off)   Help
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Last 24 hrNW16
G23
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G17
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G17
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G16
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W12
G18
W8
G11
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G15
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NW6
G15
W12
G19
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NW5
G13
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1 day
ago
S15
G21
S17
G27
S12
G17
SW10
G15
SW8
G14
SW7
G13
SW9
G13
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G10
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G14
W12
G21
NW15
G23
W13
G27
W13
G24
W17
G28
NW13
G19
NW12
G23
W13
G18
W11
G17
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G26
W11
G16
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E3
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G7
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G11
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G17
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NE7
G17
E3
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G5

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fort Belvoir, VA7 mi68 minN 010.00 miA Few Clouds25°F21°F84%1022.7 hPa
Washington/Reagan National Airport, DC, VA11 mi72 minS 610.00 miA Few Clouds30°F21°F69%1022.7 hPa
Washington/Dulles International Airport, DC, VA15 mi72 minS 510.00 miMostly Cloudy27°F19°F72%1022.1 hPa
Manassas, Manassas Regional Airport/Harry P. Davis Field, VA17 mi68 minN 010.00 miFair21°F18°F88%1023.2 hPa
Camp Springs / Andrews Air Force Base, MD19 mi68 minS 310.00 miMostly Cloudy27°F19°F72%1022.6 hPa
College Park Airport, MD19 mi69 minN 010.00 miFair23°F21°F90%1022.3 hPa
Quantico Marine Corps Airfield - Turner Field, VA22 mi68 minWSW 310.00 miFair32°F21°F64%1023.2 hPa
Gaithersburg - Montgomery County Airport, MD24 mi68 minSE 710.00 miFair27°F21°F78%1023.3 hPa

Link to 5 minute data for KDAA

Wind History from DAA (wind in knots)
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Last 24 hrW13
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W9W16SW3W6W7W9W5W13W11W9
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W8W7W500000000
1 day agoS10
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S7SW10SW5SW4SW4SW6W13W17
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2 days ago--N300000NE4N40N4N5N4N3NE3NE4N6NE6NE7
G18
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G14
N7NE6SE4SE4

Tide / Current Tables for Chain Bridge, one mile below, D.C.
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Chain Bridge
Click for Map
Wed -- 03:56 AM EST     -0.05 feet Low Tide
Wed -- 07:23 AM EST     Sunrise
Wed -- 08:47 AM EST     Moonset
Wed -- 09:26 AM EST     2.37 feet High Tide
Wed -- 03:48 PM EST     -0.07 feet Low Tide
Wed -- 05:14 PM EST     Sunset
Wed -- 06:54 PM EST     Moonrise
Wed -- 09:33 PM EST     2.70 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Chain Bridge, one mile below, D.C., Tide feet
12
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1.5
1
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0.9
2
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0.4
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0.1
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-0.1
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0.2
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0.8
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1.5
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2.1
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2.3
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2.3
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1.4
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0.8
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0.3
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0
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-0.1
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0.2
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0.8
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1.6
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2.3
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2.7
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2.7
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2.3


Tide / Current Tables for Chain Bridge, D.C.
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Chain Bridge
Click for Map
Wed -- 04:01 AM EST     -0.05 feet Low Tide
Wed -- 07:23 AM EST     Sunrise
Wed -- 08:47 AM EST     Moonset
Wed -- 09:31 AM EST     2.37 feet High Tide
Wed -- 03:53 PM EST     -0.07 feet Low Tide
Wed -- 05:14 PM EST     Sunset
Wed -- 06:54 PM EST     Moonrise
Wed -- 09:38 PM EST     2.70 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Chain Bridge, D.C., Tide feet
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1.5
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0.7
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2.3
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2.3
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1.4
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0.9
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0.4
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-0.1
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0.1
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0.7
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1.6
8
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2.3
9
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2.6
10
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2.7
11
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2.4


Weather Map
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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.
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