Wednesday, March3, 2021
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Marine Weather and Tides
Aquia Harbour, VA

Version 3.4
NOTICE
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 6:36AMSunset 6:06PM Wednesday March 3, 2021 7:25 PM EST (00:25 UTC) Moonrise 11:21PMMoonset 9:19AM Illumination 72% Phase: Waning Gibbous; Moon at 20 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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ANZ536 Tidal Potomac From Indian Head To Cobb Island- 640 Pm Est Wed Mar 3 2021
.small craft advisory in effect from 6 am est Thursday through late Thursday night...
Tonight..W winds 5 kt. Waves less than 1 ft.
Thu..NW winds 5 to 10 kt with gusts to 20 kt... Increasing to 10 to 15 kt with gusts to 25 kt in the afternoon. Waves 1 to 2 ft.
Thu night..NW winds 10 kt with gusts to 25 kt. Waves 1 ft.
Fri..NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Fri night..NW winds 5 to 10 kt. Waves 1 ft.
Sat..NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Sat night..NW winds 5 kt. Waves less than 1 ft.
Sun..NW winds 5 to 10 kt. Waves 1 ft.
Mon..SW winds 5 kt. Waves less than 1 ft.
ANZ500 640 Pm Est Wed Mar 3 2021
Synopsis for the tidal potomac and md portion of the chesapeake bay.. A cold front will pass through late tonight into Thursday morning. Canadian high pressure will build toward the waters later Thursday through Sunday. Small craft advisories will likely be required Thursday night through the end of the week.


7 Day Forecast for Marine Location Near Aquia Harbour, VA
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location: 38.42, -77.35     debug


Area Discussion for - Baltimore, MD/Washington
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FXUS61 KLWX 031937 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 237 PM EST Wed Mar 3 2021

SYNOPSIS.

High pressure overhead will briefly move off-shore as a backdoor cool front moves through our region late this evening and into early Thursday. High pressure builds into our region through this weekend with dry and cooler conditions expected. The high shifts off shore leading to a warming trend through the middle parts of next week.

NEAR TERM /THROUGH TONIGHT/.

Currently this afternoon, we have clear skies with light winds out of the south to southwest. Afternoon temperatures are on track to peak in the mid to upper 50s to lower 60s in central Virginia.

A back door cold front will drop southward from the eastern Canada down through our region later this evening and into early Thursday morning. Winds will become more westerly just ahead of the frontal passage which will lead some weak downsloping flow. A shortwave will drop southward with the frontal passage, leading to a chance for some snow and rain showers along the Allegheny front early on Thursday. Overall I expect precipitation accumulations to be minimal with only a trace to a dusting of snow and only a hundredth of an inch of precipitation possible. Before the cold front passes through our region, overnight lows will be milder in the mid to upper 30s.

SHORT TERM /THURSDAY THROUGH FRIDAY NIGHT/.

A cold front front will fully pass through our region by daybreak on Thursday. Behind the frontal passage, a strong northwesterly flow will form which will lead to advection of cold and dry air into our region. High pressure will slowly build in from the Great Lakes region on Thursday. As the high approaches, our region will be positioned between a strong low over the NE US and the approaching high off to the west. A strong pressure gradient between these two systems will lead to gusty conditions in our region through Friday.

A closed off upper level low over the eastern half of the US will keep our region wedged between these two systems and gusty northwesterly winds will continue through Friday. The strong northwesterly flow will advect cooler and drier conditions into our region with afternoon highs expected to peak in the 40s and lower 50s on Thursday and the 40s on Friday. Overnight lows will be mild once again in the 30s Thursday night but very cool lows in the 20s are expected Friday evening. The main hazards through this period will likely be gusty conditions over the waters along with some winds chills in the teens and 20s. Another thing to note is the combination of low RH's in the 20s and strong winds would normally be a fire weather concern but fuel moisture remains elevated after a moist last few weeks which should limit the threat.

LONG TERM /SATURDAY THROUGH WEDNESDAY/.

Dry and seasonably cool this weekend before a notable warming trend next week.

An upper-level trough will allow for a brisk northwest flow Saturday into Sunday. Wind gusts to 20-25 knots coupled with low relative humidity values are favorable for fire weather conditions especially Saturday afternoon. However, the overall wet winter and current fuel moisture levels should help suppress this threat.

Staying dry Monday into Tuesday as the upper-level trough slides offshore. A considerable warming trend starts on Tuesday as an upper- level ridge builds over the Plains propagates eastward. This coupled with a region of high pressure sliding offshore will further aid in warm air advection. Above average temperatures are likely for the middle of next week. The next chance for precipitation will be late Wednesday into Thursday as a cold front potentially impacts our region.

AVIATION /20Z WEDNESDAY THROUGH MONDAY/.

No restrictions expected through Friday. Wind shifts will be the main concern over the next 30 hours. Gusty winds out of the northwest will form on Thursday and continue into Friday.

VFR conditions and northwesterly winds are expected into this weekend.

MARINE.

Gusty winds are expected over our waters starting tomorrow and continuing into Friday. Small Craft Advisories will likely be needed for Friday and Friday night.

Gusty northwest winds could approach SCA levels Saturday into Sunday.

HYDROLOGY.

No flooding issues are expected over the next 7 days as an extended period of dry weather is forecast through the middle parts of next week.

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

SYNOPSIS . JMG NEAR TERM . JMG SHORT TERM . JMG LONG TERM . CPB AVIATION . JMG/CPB MARINE . JMG/CPB HYDROLOGY .


Weather Reporting Stations
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Wind History for Washington, DC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Stafford, Stafford Regional Airport, VA6 mi31 minN 010.00 miFair47°F16°F28%1013.2 hPa
Quantico Marine Corps Airfield - Turner Field, VA7 mi30 minSW 310.00 miFair51°F30°F45%1012.5 hPa
Fredericksburg, Shannon Airport, VA12 mi31 minN 010.00 miFair48°F28°F46%1011.8 hPa
Warrenton-Fauquier Airport, VA22 mi31 minN 010.00 miFair45°F22°F40%1011.8 hPa
Manassas, Manassas Regional Airport/Harry P. Davis Field, VA23 mi30 minN 010.00 miFair45°F28°F52%1012.9 hPa
Fort Belvoir, VA23 mi30 minN 010.00 miFair48°F24°F38%1012.2 hPa

Link to 5 minute data for KRMN

Wind History from RMN (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmS4CalmW5S4SW4W7SW5CalmCalm
1 day agoNW4NW6W9
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2 days agoCalmS3N4CalmSE4N3SE3CalmNW4CalmCalmCalmS3SE3CalmCalmNW18
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Tide / Current Tables for Aquia Creek, Virginia
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Aquia Creek
Click for Map
Wed -- 02:53 AM EST     0.13 feet Low Tide
Wed -- 06:38 AM EST     Sunrise
Wed -- 08:47 AM EST     1.61 feet High Tide
Wed -- 09:18 AM EST     Moonset
Wed -- 03:38 PM EST     0.05 feet Low Tide
Wed -- 06:04 PM EST     Sunset
Wed -- 09:16 PM EST     1.23 feet High Tide
Wed -- 11:21 PM EST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.40.20.10.30.71.11.41.61.61.51.20.80.60.30.10.10.30.60.91.11.21.21

Tide / Current Tables for Liverpool Point, Maryland
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Liverpool Point
Click for Map
Wed -- 02:57 AM EST     -0.06 feet Low Tide
Wed -- 06:37 AM EST     Sunrise
Wed -- 08:43 AM EST     1.56 feet High Tide
Wed -- 09:18 AM EST     Moonset
Wed -- 03:45 PM EST     -0.05 feet Low Tide
Wed -- 06:04 PM EST     Sunset
Wed -- 09:18 PM EST     1.36 feet High Tide
Wed -- 11:20 PM EST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.20-0.100.30.81.31.51.61.41.10.70.40.20-00.10.50.91.21.41.31.1

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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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