Brookmont, MD Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Brookmont, MD

April 23, 2024 5:03 AM EDT (09:03 UTC) Change Location
Sunrise 6:18 AM   Sunset 7:54 PM
Moonrise 6:53 PM   Moonset 5:02 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- 146 Am Edt Tue Apr 23 2024

.small craft advisory in effect from noon edt today through this evening - .

Overnight - Light winds. Waves flat.

Tue - SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

Tue night - S winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 ft. Scattered showers.

Wed - W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Scattered showers.

Wed night - N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

Thu - NE winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves 1 ft.

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

Fri - SE winds 5 to 10 kt. Waves 1 ft.

Sat - SE winds 5 to 10 kt. Waves 1 ft.

ANZ500 146 Am Edt Tue Apr 23 2024

Synopsis for the tidal potomac and md portion of the chesapeake bay -
high pressure will move offshore later today. A cold front will cross the area Wednesday. High pressure will return for the end of the week. Small craft advisories will likely be needed through Thursday morning.


7 Day Forecast for Marine Location Near Brookmont, MD
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Area Discussion for - Baltimore, MD/Washington
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FXUS61 KLWX 230748 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 348 AM EDT Tue Apr 23 2024

SYNOPSIS
High pressure will move to the east today. A cold front will move through the region Wednesday. A second area of high pressure will build back in for the end of the week.

NEAR TERM /THROUGH TONIGHT/
Radiational cooling overnight has lead to areas of frost early this morning, as well as temperatures reaching or dropping below the freezing mark. A Frost Advisory remains in effect through 8am this morning for a large area from central and Northeast Maryland south to the Virginia Piedmont and parts of southern Maryland. A Freeze Warning remains in effect through 8am this morning for parts of the Shenandoah Valley and Potomac Highlands.

High pressure will move to the east today, which will allow for our winds to turn more out of the south. This will result in a warming trend, with temperatures climbing into the upper 60s to low 70s under mostly sunny skies.

A shortwave will track southeastward from the Great Lakes toward the Northeast/Mid-Atlantic tonight. Precipitation amounts should be light given the lack of moisture. A few showers will be possible across the area, especially later tonight into early Wednesday morning.

SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/
A cold front will move through Wednesday morning, causing winds to turn northwesterly. A gusty northwest wind of 20 to 30 mph will be possible during Wednesday afternoon. A stray shower or thunderstorm can't be ruled out behind the cold front/beneath the upper trough axis Wednesday afternoon, but most locations should remain dry. High temperatures Wednesday are expected to be in the upper 60s to near 70.

Cold advection is expected Wednesday night. Temperatures are forecast to drop into the upper 30s and lower 40s. Additional opportunities of encountering frost or freeze conditions are possible Wednesday night. Winds may be a little too high to allow for frost or freeze conditions.

Dry conditions anticipated on Thursday into Thursday night with high pressure gaining control. Thursday is also expected to be cooler by about 10 degrees from Wednesday.

LONG TERM /FRIDAY THROUGH MONDAY/
Dry conditions to end the week as surface high pressure slides east into the western Atlantic on Friday. Weak ridging aloft moves over the area Saturday. There is a chance for some shower activity, mainly west of the Blue Ridge on Saturday. However, given the combination of weak subsidence and downsloping winds (due to nearly zonal westerly flow above the surface) that mixes drier air from aloft, any shower chances look to be limited. A warming trend begins late week as highs go from low to mid 60s Friday to upper 60s to low 70s Saturday (could be higher in some areas due to downsloping winds).

Sunday into the start of next week is looking dry and very warm as deep ridging develops across the Southeast and Mid-Atlantic states.
Most models indicate a 580-585 dm ridge aloft over much of the eastern CONUS, with the Bermuda Highs building over the western Atlantic. Could be looking at near-record heat Sunday into Monday as highs reach the low to mid 80s. A weak cold front approaches from the west on Monday, possibly resulting in isolated to scattered showers and thunderstorms Monday afternoon. Very mild overnight lows in the upper 50s to mid 60s Sunday and Monday nights.

AVIATION /08Z TUESDAY THROUGH SATURDAY/
VFR conditions today through Thursday night. Winds light becoming south around 10 knots today and tonight. Winds southwest becoming northwest 10 to 15 knots gusts up to 20 knots Wednesday and Wednesday night. Winds becoming northeast Thursday, then southeast Thursday night 5 to 10 knots as high pressure builds into the region.

VFR conditions are likely Friday into next weekend. Limited shower chances possible Saturday around MRB, otherwise dry conditions are likely at the other terminals. Southeast winds on Friday become south for Saturday around 10 knots, with gusts to 20 knots possible each afternoon.

MARINE
Small craft advisories likely this afternoon through Wednesday morning for the Chesapeake Bay and Potomac River. Small craft advisories likely again for the main stem of the Chesapeake Bay Wednesday night. Winds south 10 to 15 knots gusts up to 20 knots this afternoon through Wednesday morning. Winds northwest becoming north 10 to 20 knots Wednesday night.

Southerly channeling Friday and especially Saturday could result in near-SCA conditions over the open waters of the Chesapeake Bay. This would occur during the afternoon to evening hours each day, when winds gust around 18-20 knots. Winds decrease overnight into the morning.

FIRE WEATHER
Going to discuss the increased fire danger threat for today given the combination of increasing southerly winds, warm temperatures, and RH values below 30 percent. This could even continue into Wednesday, depending on how much rain actually falls with the frontal passage tonight.

TIDES/COASTAL FLOODING
Water levels are expected to steadily increase through tonight as southerly winds push water up the Chesapeake Bay and lower Potomac River. Minor coastal flooding is likely at Annapolis during the early morning high tide cycle Wednesday, and possibly at Straits Point during that time. Most other locations will reach Action Stage during the upcoming high tide cycles through Wednesday morning.

Winds turn northwest behind a cold front causing tide levels to decrease Wednesday night into Thursday.

LWX WATCHES/WARNINGS/ADVISORIES
DC...Frost Advisory until 8 AM EDT this morning for DCZ001.
MD...Frost Advisory until 8 AM EDT this morning for MDZ003>006-008- 011-013-014-016-503>508.
VA...Frost Advisory until 8 AM EDT this morning for VAZ028-030-031- 036>040-050-051-053>057-501-502-505>508-526-527.
Freeze Warning until 8 AM EDT this morning for VAZ025>027-029.
WV...Frost Advisory until 8 AM EDT this morning for WVZ051>053.
Freeze Warning until 8 AM EDT this morning for WVZ050-055.
MARINE...Small Craft Advisory from noon today to 2 PM EDT Wednesday for ANZ530>543.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
WASD2 - 8594900 - Washington, DC 5 mi45 min SSW 1.9G1.9 49°F 61°F30.13
BSLM2 - Chesapeake Bay, MD 23 mi93 min 0 40°F 30.1239°F
APAM2 - 8575512 - Annapolis, MD 33 mi45 min W 2.9G4.1 46°F 64°F30.12
44063 - Annapolis 35 mi57 min W 5.8G7.8 47°F 56°F0 ft
TPLM2 - Thomas Point, MD 35 mi63 min SW 8G8.9 51°F 30.15
CBCM2 36 mi45 min WSW 4.1G5.1 49°F 58°F30.1039°F
BLTM2 - 8574680 - Baltimore, MD 37 mi45 min 0G1 47°F 59°F
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 37 mi45 min W 5.1G6 48°F
CPVM2 38 mi45 min 51°F 42°F
44043 - Patapsco, MD 41 mi45 min W 7.8G9.7 51°F 58°F
NCDV2 42 mi45 min W 4.1G5.1 45°F 60°F30.12
44062 - Gooses Reef, MD 44 mi57 min SW 14G18 48°F 57°F1 ft


Wind History for Washington, DC
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KDCA RONALD REAGAN WASHINGTON NATIONAL,VA 6 sm71 minWSW 0310 smA Few Clouds46°F37°F71%30.13
KCGS COLLEGE PARK,MD 10 sm33 mincalm10 smClear37°F36°F93%30.14
KADW JOINT BASE ANDREWS,MD 14 sm68 mincalm10 smClear43°F36°F76%30.10
KDAA DAVISON AAF,VA 15 sm68 mincalm10 smClear37°F36°F93%30.11
KGAI MONTGOMERY COUNTY AIRPARK,MD 18 sm67 mincalm10 smClear37°F32°F81%30.12
KIAD WASHINGTON DULLES INTL,VA 19 sm71 mincalm10 smClear37°F30°F75%30.11
KFME TIPTON,MD 22 sm34 mincalm10 smClear34°F32°F93%30.15
Link to 5 minute data for KDCA


Wind History from DCA
(wind in knots)
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Tide / Current for Chain Bridge, one mile below, Washington, D.C.
   
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Chain Bridge, one mile below, Washington, D.C., Tide feet



Tide / Current for Reagan National Airport, Washington, D.C.
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Reagan National Airport
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Tue -- 02:53 AM EDT     0.52 feet Low Tide
Tue -- 06:02 AM EDT     Moonset
Tue -- 06:19 AM EDT     Sunrise
Tue -- 08:49 AM EDT     3.44 feet High Tide
Tue -- 03:43 PM EDT     0.43 feet Low Tide
Tue -- 07:51 PM EDT     Full Moon
Tue -- 07:52 PM EDT     Moonrise
Tue -- 07:53 PM EDT     Sunset
Tue -- 09:20 PM EDT     2.98 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Reagan National Airport, Washington, D.C., Tide feet
12
am
1.5
1
am
1
2
am
0.6
3
am
0.5
4
am
0.7
5
am
1.4
6
am
2.2
7
am
2.9
8
am
3.3
9
am
3.4
10
am
3.2
11
am
2.6
12
pm
2
1
pm
1.4
2
pm
0.9
3
pm
0.5
4
pm
0.4
5
pm
0.8
6
pm
1.5
7
pm
2.2
8
pm
2.7
9
pm
3
10
pm
2.9
11
pm
2.5




Weather Map
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GEOS Local Image of Mid-Atlantic   
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Sterling, VA,



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