Thursday, March4, 2021
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Marine Weather and Tides
Kings Park, 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 6:34AMSunset 6:06PM Thursday March 4, 2021 7:04 PM EST (00:04 UTC) Moonrise 12:00AMMoonset 9:53AM Illumination 63% Phase: Waning Gibbous; Moon at 21 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
ANZ500


7 Day Forecast for Marine Location Near Kings Park, VA
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location: 38.8, -77.27     debug


Area Discussion for - Baltimore, MD/Washington
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FXUS61 KLWX 041951 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 251 PM EST Thu Mar 4 2021

SYNOPSIS.

High pressure over the Great Lakes region will continue the dry weather trend over the next several days. Gusty northwesterly winds are expected to continue through Saturday before diminishing on Sunday as the high slowly shifts southward; becoming more concentrated over the region by early next week. The high will then shift offshore; inducing a warming trend through the middle of next week.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/.

This mornings cold front has moved well south of the CWA; resulting in continued dry conditions under a gusty NW flow. Some scattered strato-cu persist mainly across eastern WV, northern MD, and northern VA and should diminish into this evening.Seasonable temperatures this afternoon; ranging in the upper 40s to low 50s across our southernmost areas. However it will remain much colder across the higher elevations over the Alleghenies with temperatures in the 30s. NW winds will range between 20-30 mph. Hi-res guidance, coupled with the rest of the 12Z suite continued to indicate gusty NW flow continuing into the overnight hours across much of the CWA, which will cause frigid overnight conditions with temperatures in the 20s for most with teens in the mountains.

SHORT TERM /6 AM FRIDAY MORNING THROUGH SUNDAY/.

A large H5 low over eastern Canada will continue to retrograde inducing a large upper level trough that extends down to the southeast CONUS. Meanwhile upper level ridging persists over the Midwest which will result in a large surface high pressure residing over the Great Lakes region. Influence from the high will continue the dry weather trend into early next week as the gradient between the high and low induce gusty NW winds that are expected to continue through Saturday. Thereafter, the low will exit off into the North Atlantic, allowing the high to slowly slide southeast over the CWA which will allow the winds to diminish Sunday into Monday.

Temperatures will remain just below normal for this time of year through the weekend with cold overnight lows in the 20s and daytime highs in the 40s for most with low 30s across the mountains.

LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/.

Mainly dry weather is likely to continue Sunday through Wednesday with a notable warming trend Tuesday into Wednesday.

An upper-level trough that will be overhead on Sunday will move offshore by Monday afternoon as a region of surface high pressure builds locally. The surface high will slowly move offshore Tuesday into Wednesday allowing for return flow. This coupled with an upper- level ridge building over the Plains propagating eastward will allow for temperatures to soar into the 60s with 70 degrees possible in some of the warmer locales Tuesday into Wednesday.

It is possible we get through the entire long term period without any measurable precipitation. The next opportunity for precipitation arrives with a cold front Wednesday night into Thursday. Guidance varies regarding how much moisture if any will be associated with this feature.

AVIATION /20Z THURSDAY THROUGH TUESDAY/.

VFR conditions are expected to continue through the weekend with high pressure in control. Gusty NW winds around 20-30 kts will continue this afternoon and are likely to persist through Saturday. Winds will begin to diminish Saturday night as high pressure becomes more centralized over the region. VFR conditions are likely Sunday into early next week as high pressure builds nearby.

MARINE.

Gusty northwest winds are expected to continue over the waters through Saturday. As a result, SCA will likely need to be extended through Saturday night. Winds will begin to diminish thereafter as high pressure becomes more centralized over the region into early next week. Sub-SCA winds are expected Sunday into Monday.

FIRE WEATHER. Dry weather will persist through Saturday and the RH values will be low each day (20s and 30s today, teens and 20s Friday, and 20s to lower 30s Saturday). Gusty northwest winds are expected during this time as well, with frequent gusts around 20 to 30 mph for most areas. As fuels continue to dry out over the next few days, the meteorological conditions may enhance the threat for the spread of wildfires, especially Friday afternoon and Saturday afternoon (when fuels will be driest).

LWX WATCHES/WARNINGS/ADVISORIES. DC . None. MD . None. VA . None. WV . None. MARINE . Small Craft Advisory until 6 PM EST Friday for ANZ530>543.

SYNOPSIS . MSS NEAR TERM . MSS SHORT TERM . MSS LONG TERM . CPB AVIATION . MSS/CPB MARINE . MSS/CPB FIRE WEATHER . BJL


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WASD2 - 8594900 - Washington, DC 14 mi65 min N 9.9 G 19 46°F 44°F1014.8 hPa (+2.9)
BSLM2 - Chesapeake Bay, MD 30 mi95 min NE 9.9 48°F 1012 hPa24°F
NCDV2 35 mi65 min NNW 8.9 G 13 49°F 45°F1012.7 hPa (+2.2)
APAM2 - 8575512 - Annapolis, MD 44 mi65 min WNW 18 G 23 44°F 42°F1013.4 hPa (+2.8)
TPLM2 - Thomas Point, MD 45 mi65 min WNW 19 G 23 45°F 40°F1014.7 hPa (+2.8)21°F
44062 - Gooses Reef, MD 48 mi29 min NNW 19 G 23 44°F 40°F1013.5 hPa
BLTM2 - 8574680 - Baltimore, MD 49 mi65 min NNW 13 G 22 44°F 41°F1013.8 hPa (+2.7)
CPVM2 49 mi65 min 44°F 24°F
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 49 mi65 min NW 20 G 23 44°F 1013.6 hPa (+2.7)
FSNM2 49 mi71 min NW 25 G 30 44°F 1013.2 hPa

Wind History for Washington, DC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fort Belvoir, VA7 mi69 minNW 11 G 2210.00 miFair47°F19°F33%1014.5 hPa
Washington/Reagan National Airport, DC, VA13 mi73 minNW 16 G 2410.00 miA Few Clouds46°F21°F37%1014.7 hPa
Manassas, Manassas Regional Airport/Harry P. Davis Field, VA14 mi69 minNNW 17 G 2410.00 miFair44°F22°F41%1015.5 hPa
Washington/Dulles International Airport, DC, VA15 mi73 minNW 24 G 3210.00 miA Few Clouds and Windy44°F20°F38%1014.5 hPa
Quantico Marine Corps Airfield - Turner Field, VA20 mi69 minNNW 11 G 2610.00 miFair49°F22°F35%1014.3 hPa
Camp Springs / Andrews Air Force Base, MD21 mi69 minNNW 18 G 2410.00 miFair and Breezy44°F21°F39%1014.4 hPa
College Park Airport, MD22 mi70 minNW 11 G 2010.00 miPartly Cloudy43°F15°F31%1014.6 hPa

Link to 5 minute data for KDAA

Wind History from DAA (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmNW3CalmNW3NW3NW5NW6NW8NW9
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1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNW13W7W7W6W6SW3SW6S3Calm
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N4N5SW6NW6CalmCalm

Tide / Current Tables for Marshall Hall, Maryland
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Marshall Hall
Click for Map
Thu -- 05:26 AM EST     -0.05 feet Low Tide
Thu -- 06:35 AM EST     Sunrise
Thu -- 09:52 AM EST     Moonset
Thu -- 11:39 AM EST     2.68 feet High Tide
Thu -- 06:04 PM EST     Sunset
Thu -- 06:25 PM EST     -0.02 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.31.91.30.70.2-0-00.30.91.62.32.62.72.31.81.20.70.3000.411.62

Tide / Current Tables for Chain Bridge, one mile below, D.C.
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Chain Bridge
Click for Map
Thu -- 06:27 AM EST     -0.06 feet Low Tide
Thu -- 06:36 AM EST     Sunrise
Thu -- 09:52 AM EST     Moonset
Thu -- 12:11 PM EST     3.33 feet High Tide
Thu -- 06:04 PM EST     Sunset
Thu -- 07:26 PM EST     -0.02 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.92.72.11.40.80.2-0-00.41.32.333.33.22.721.30.70.3000.51.42.2

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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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