Marine Weather and Tide Forecast for Quantico, VA
February 18, 2025 9:16 PM EST (02:16 UTC) Change Location
![]() | Sunrise 6:53 AM Sunset 5:51 PM Moonrise 12:00 AM Moonset 9:31 AM |
ANZ536 Tidal Potomac From Indian Head To Cobb Island- 633 Pm Est Tue Feb 18 2025
.small craft advisory in effect through Wednesday morning - .
Tonight - N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Wed - N winds 5 to 10 kt. Waves 1 ft. Snow likely. Vsby 1 to 3 nm.
Wed night - N winds 5 to 10 kt. Waves 1 ft. A chance of snow. Vsby 1 to 3 nm.
Thu - NW winds 10 to 15 kt. Gusts up to 20 kt - . Increasing to 30 kt in the afternoon. Waves 1 to 2 ft. Scattered snow showers.
Thu night - NW winds 10 to 15 kt with gusts to 30 kt. Waves 2 ft.
Fri - NW winds 10 to 15 kt. Gusts up to 30 kt - . Diminishing to 20 kt in the afternoon. Waves 2 ft.
Fri night - NW winds 5 to 10 kt. Waves 1 ft.
Sat - SW winds around 5 kt. Waves 1 ft.
Sun - NW winds around 5 kt. Waves 1 ft.
ANZ500 633 Pm Est Tue Feb 18 2025
Synopsis for the tidal potomac and md portion of the chesapeake bay -
an expansive arctic high pressure will continue to build into the north-central u.s. This week. Meanwhile, an area of low pressure taking shape over the mid south will track to the carolinas and off the east coast Wednesday into Thursday. High pressure will take over late in the week. Small craft advisories will likely be needed late Wednesday night through Saturday morning, with gales possible Thursday afternoon through Friday morning.
an expansive arctic high pressure will continue to build into the north-central u.s. This week. Meanwhile, an area of low pressure taking shape over the mid south will track to the carolinas and off the east coast Wednesday into Thursday. High pressure will take over late in the week. Small craft advisories will likely be needed late Wednesday night through Saturday morning, with gales possible Thursday afternoon through Friday morning.

NEW! Add second zone forecast
Liverpool Point Click for Map Tue -- 03:28 AM EST 0.03 feet Low Tide Tue -- 06:55 AM EST Sunrise Tue -- 09:31 AM EST Moonset Tue -- 09:41 AM EST 1.31 feet High Tide Tue -- 04:21 PM EST 0.10 feet Low Tide Tue -- 05:50 PM EST Sunset Tue -- 10:16 PM EST 1.14 feet High Tide Tide / Current data from XTide NOT FOR NAVIGATION |   |
Liverpool Point, Maryland, Tide feet
12 am |
0.7 |
1 am |
0.4 |
2 am |
0.2 |
3 am |
0 |
4 am |
0 |
5 am |
0.2 |
6 am |
0.5 |
7 am |
0.8 |
8 am |
1.1 |
9 am |
1.3 |
10 am |
1.3 |
11 am |
1.2 |
12 pm |
0.9 |
1 pm |
0.6 |
2 pm |
0.4 |
3 pm |
0.2 |
4 pm |
0.1 |
5 pm |
0.1 |
6 pm |
0.3 |
7 pm |
0.6 |
8 pm |
0.9 |
9 pm |
1.1 |
10 pm |
1.1 |
11 pm |
1.1 |
Aquia Creek Click for Map Tue -- 03:52 AM EST 0.26 feet Low Tide Tue -- 06:55 AM EST Sunrise Tue -- 09:31 AM EST Moonset Tue -- 09:45 AM EST 1.35 feet High Tide Tue -- 04:36 PM EST 0.21 feet Low Tide Tue -- 05:51 PM EST Sunset Tue -- 10:08 PM EST 1.00 feet High Tide Tide / Current data from XTide NOT FOR NAVIGATION |   |
Aquia Creek, Virginia, Tide feet
12 am |
0.7 |
1 am |
0.6 |
2 am |
0.5 |
3 am |
0.3 |
4 am |
0.3 |
5 am |
0.4 |
6 am |
0.7 |
7 am |
1 |
8 am |
1.2 |
9 am |
1.3 |
10 am |
1.3 |
11 am |
1.2 |
12 pm |
1 |
1 pm |
0.8 |
2 pm |
0.6 |
3 pm |
0.4 |
4 pm |
0.3 |
5 pm |
0.2 |
6 pm |
0.4 |
7 pm |
0.6 |
8 pm |
0.8 |
9 pm |
0.9 |
10 pm |
1 |
11 pm |
1 |
Area Discussion for Baltimore, MD/Washington
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FXUS61 KLWX 190141 AFDLWX
Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 841 PM EST Tue Feb 18 2025
SYNOPSIS
Arctic high pressure remains centered over the north-central U.S. this week. Meanwhile, an area of low pressure taking shape over the Mid South will track to the Carolinas and off the East Coast Wednesday into Thursday. High pressure will take over late in the week, and a gradual warm up into the weekend.
NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/
EVENING UPDATE...
Satellite imagery shows clouds over portions of the Shenandoah Valley, Virginia Piedmont and to the south, with clearer skies to the north. Despite very low dew points (near 0F) for much of the area, still expect low temperatures in the teens to low 20s as clouds move in from the southwest about halfway through the night.
PREVIOUS DISCUSSION FOLLOWS...
Later tonight, clouds will increase and precipitation will approach west-central VA as low pressure over the Mid South tracks eastward. Most precipitation will likely hold off until around or shortly after daybreak on Wednesday, but some snow is possible after about 3-5am over Highland County down over to Wintergreen.
SHORT TERM /6 AM WEDNESDAY MORNING THROUGH THURSDAY NIGHT/
No significant changes are noted with the forecast today compared to overnight, so we will start there. Winter Weather Advisories were issued for portions of central VA, the VA Piedmont, southern MD, and even western Pendleton County in WV.
This event remains rather complex in nature, but aside from a few outliers, model guidance has really remained consistent today with heaviest snow remaining well to our southeast.
A southern stream shortwave and associated surface low will scoot by to the south, passing offshore of the Carolinas Wednesday into Wednesday night. Most precipitation with this low will stay south of I-66 and mainly near and south of I-64 given the flatter and more progressive southern track and abundant dry air to the north. There was a slight bump to the north with this package, but still not expecting significant accumulations outside of the areas listed. The northern extent of this event is likely to have a very tight gradient, and areas north of that gradient may see no snow at all. In fact areas north of I-66 may even have to wait until Thursday morning to see any accumulation.
Areas in the advisories however can expect around 1-4 inches, depending on location.
A strong northern stream upper low will pass overhead Thursday, and may very well result in scattered to perhaps widespread snow shower activity depending on available moisture and any interaction with the increasingly distant offshore low. Added a few tenths to just under an inch of accumulation with this round of snowfall over much of the area. Additionally, for areas along the Allegheny Front, upslope snow showers pick up Thursday afternoon through Thursday night, which could result in some significant accumulations in these areas. Winter Weather Headlines may be needed for this event separately in the near future.
Lastly, wind also becomes a threat on Thursday, especially in the mountains. In turn, this will also bring Cold Weather Headlines in the picture given that temperatures will be well below normal.
LONG TERM /FRIDAY THROUGH TUESDAY/
The upper trough will be moving off the coast Friday morning while the strong surface high builds toward the Mid Mississippi Valley.
Some upslope snow showers will linger before tapering off during the afternoon. Gusty northwest winds will continue through the day, generally 30-40 mph in the lower elevations. Temperatures to around 10 degrees below normal are expected Friday and Friday night.
The surface high will move overhead Saturday, allowing a warming trend to begin. However, temperatures will remain below normal in the lower to mid 40s. A shortwave trough will cross the area Saturday night. There's a lot of uncertainty with how much moisture will be available. The greatest precipitation chances would be along the Alleghenies. However, if precipitation does occur, it could be wintry in nature.
Temperatures will moderate further Sunday into Monday as high pressure becomes positioned to the south and east, reaching near to slightly above normal levels. Another trough will move toward the east coast later Monday into Tuesday. With the primary low track well to the north in Canada, there is again some uncertainty how much moisture will be available locally.
AVIATION /02Z WEDNESDAY THROUGH SUNDAY/
Winds will be somewhat steady state, in the 20 to 25 knot range, until diminishing this evening. Mid or high level wave clouds are possible today, otherwise VFR conditions prevail.
Low pressure will track south of the area Wednesday into Wednesday night. The highest chance for snow and sub-VFR conditions is at CHO, although the metro terminals could see a period of light snow as well.
Thursday may actually be the best chance for snow at the metro terminals, though it will be sporadic in nature. During heavier snow showers, could briefly see VSBYs reduced to IFR.
VFR conditions are expected Friday through Saturday. NW winds may gust 25-35 kt Friday before diminishing Friday night and turning light and southwesterly Saturday.
MARINE
A large area of high pressure will descend into the north- central U.S. Since the high won't be directly overhead, west- northwest winds will only gradually diminish today, with northerly channeling expected tonight.
Lighter winds are expected Wednesday. Locations along the bay could approach advisory criteria Wednesday night depending on the strength of low pressure to the south. Solid SCA to possible gales are anticipated Thursday into Friday. A Gale Watch was issued Thursday afternoon into Thursday night as a result.
Strong northwest winds continue Friday. Small Craft Advisories are expected with gales possible. Winds gradually diminish Friday night but advisories likely continue. Lighter southwest winds are expected Saturday as high pressure moves overhead. Winds may become more westerly by Sunday.
LWX WATCHES/WARNINGS/ADVISORIES
DC...None.
MD...Small Craft Advisory until 7 AM EST Wednesday for MDZ008.
Winter Weather Advisory from 1 PM to 10 PM EST Wednesday for MDZ016-018.
Winter Weather Advisory from 1 PM Wednesday to 1 AM EST Thursday for MDZ017.
VA...Winter Weather Advisory from 1 PM to 10 PM EST Wednesday for VAZ055.
Winter Weather Advisory from 1 PM Wednesday to 1 AM EST Thursday for VAZ057.
Winter Weather Advisory from 7 AM to 7 PM EST Wednesday for VAZ025-036-037-504-508.
Winter Weather Advisory from 10 AM to 10 PM EST Wednesday for VAZ038-050-056-507.
Winter Weather Advisory from 7 AM Wednesday to 7 AM EST Thursday for VAZ503.
WV...Winter Weather Advisory from 7 AM Wednesday to 7 AM EST Thursday for WVZ505.
MARINE...Small Craft Advisory until 7 AM EST Wednesday for ANZ530>543.
Gale Watch from Thursday afternoon through late Thursday night for ANZ532>534-537-540>543.
Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 841 PM EST Tue Feb 18 2025
SYNOPSIS
Arctic high pressure remains centered over the north-central U.S. this week. Meanwhile, an area of low pressure taking shape over the Mid South will track to the Carolinas and off the East Coast Wednesday into Thursday. High pressure will take over late in the week, and a gradual warm up into the weekend.
NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/
EVENING UPDATE...
Satellite imagery shows clouds over portions of the Shenandoah Valley, Virginia Piedmont and to the south, with clearer skies to the north. Despite very low dew points (near 0F) for much of the area, still expect low temperatures in the teens to low 20s as clouds move in from the southwest about halfway through the night.
PREVIOUS DISCUSSION FOLLOWS...
Later tonight, clouds will increase and precipitation will approach west-central VA as low pressure over the Mid South tracks eastward. Most precipitation will likely hold off until around or shortly after daybreak on Wednesday, but some snow is possible after about 3-5am over Highland County down over to Wintergreen.
SHORT TERM /6 AM WEDNESDAY MORNING THROUGH THURSDAY NIGHT/
No significant changes are noted with the forecast today compared to overnight, so we will start there. Winter Weather Advisories were issued for portions of central VA, the VA Piedmont, southern MD, and even western Pendleton County in WV.
This event remains rather complex in nature, but aside from a few outliers, model guidance has really remained consistent today with heaviest snow remaining well to our southeast.
A southern stream shortwave and associated surface low will scoot by to the south, passing offshore of the Carolinas Wednesday into Wednesday night. Most precipitation with this low will stay south of I-66 and mainly near and south of I-64 given the flatter and more progressive southern track and abundant dry air to the north. There was a slight bump to the north with this package, but still not expecting significant accumulations outside of the areas listed. The northern extent of this event is likely to have a very tight gradient, and areas north of that gradient may see no snow at all. In fact areas north of I-66 may even have to wait until Thursday morning to see any accumulation.
Areas in the advisories however can expect around 1-4 inches, depending on location.
A strong northern stream upper low will pass overhead Thursday, and may very well result in scattered to perhaps widespread snow shower activity depending on available moisture and any interaction with the increasingly distant offshore low. Added a few tenths to just under an inch of accumulation with this round of snowfall over much of the area. Additionally, for areas along the Allegheny Front, upslope snow showers pick up Thursday afternoon through Thursday night, which could result in some significant accumulations in these areas. Winter Weather Headlines may be needed for this event separately in the near future.
Lastly, wind also becomes a threat on Thursday, especially in the mountains. In turn, this will also bring Cold Weather Headlines in the picture given that temperatures will be well below normal.
LONG TERM /FRIDAY THROUGH TUESDAY/
The upper trough will be moving off the coast Friday morning while the strong surface high builds toward the Mid Mississippi Valley.
Some upslope snow showers will linger before tapering off during the afternoon. Gusty northwest winds will continue through the day, generally 30-40 mph in the lower elevations. Temperatures to around 10 degrees below normal are expected Friday and Friday night.
The surface high will move overhead Saturday, allowing a warming trend to begin. However, temperatures will remain below normal in the lower to mid 40s. A shortwave trough will cross the area Saturday night. There's a lot of uncertainty with how much moisture will be available. The greatest precipitation chances would be along the Alleghenies. However, if precipitation does occur, it could be wintry in nature.
Temperatures will moderate further Sunday into Monday as high pressure becomes positioned to the south and east, reaching near to slightly above normal levels. Another trough will move toward the east coast later Monday into Tuesday. With the primary low track well to the north in Canada, there is again some uncertainty how much moisture will be available locally.
AVIATION /02Z WEDNESDAY THROUGH SUNDAY/
Winds will be somewhat steady state, in the 20 to 25 knot range, until diminishing this evening. Mid or high level wave clouds are possible today, otherwise VFR conditions prevail.
Low pressure will track south of the area Wednesday into Wednesday night. The highest chance for snow and sub-VFR conditions is at CHO, although the metro terminals could see a period of light snow as well.
Thursday may actually be the best chance for snow at the metro terminals, though it will be sporadic in nature. During heavier snow showers, could briefly see VSBYs reduced to IFR.
VFR conditions are expected Friday through Saturday. NW winds may gust 25-35 kt Friday before diminishing Friday night and turning light and southwesterly Saturday.
MARINE
A large area of high pressure will descend into the north- central U.S. Since the high won't be directly overhead, west- northwest winds will only gradually diminish today, with northerly channeling expected tonight.
Lighter winds are expected Wednesday. Locations along the bay could approach advisory criteria Wednesday night depending on the strength of low pressure to the south. Solid SCA to possible gales are anticipated Thursday into Friday. A Gale Watch was issued Thursday afternoon into Thursday night as a result.
Strong northwest winds continue Friday. Small Craft Advisories are expected with gales possible. Winds gradually diminish Friday night but advisories likely continue. Lighter southwest winds are expected Saturday as high pressure moves overhead. Winds may become more westerly by Sunday.
LWX WATCHES/WARNINGS/ADVISORIES
DC...None.
MD...Small Craft Advisory until 7 AM EST Wednesday for MDZ008.
Winter Weather Advisory from 1 PM to 10 PM EST Wednesday for MDZ016-018.
Winter Weather Advisory from 1 PM Wednesday to 1 AM EST Thursday for MDZ017.
VA...Winter Weather Advisory from 1 PM to 10 PM EST Wednesday for VAZ055.
Winter Weather Advisory from 1 PM Wednesday to 1 AM EST Thursday for VAZ057.
Winter Weather Advisory from 7 AM to 7 PM EST Wednesday for VAZ025-036-037-504-508.
Winter Weather Advisory from 10 AM to 10 PM EST Wednesday for VAZ038-050-056-507.
Winter Weather Advisory from 7 AM Wednesday to 7 AM EST Thursday for VAZ503.
WV...Winter Weather Advisory from 7 AM Wednesday to 7 AM EST Thursday for WVZ505.
MARINE...Small Craft Advisory until 7 AM EST Wednesday for ANZ530>543.
Gale Watch from Thursday afternoon through late Thursday night for ANZ532>534-537-540>543.
Stations | Dist | Age | Wind | Air | Water | Waves | inHg | DewPt |
NCDV2 | 16 mi | 47 min | N 4.1G | 31°F | 39°F | 30.32 | ||
WASD2 - 8594900 - Washington, DC | 31 mi | 47 min | N 5.1G | 28°F | 39°F | 30.38 | ||
BSLM2 - Chesapeake Bay, MD | 37 mi | 47 min | NNW 5.1 | 28°F | 30.33 | 3°F | ||
SLIM2 - 8577330 - Solomons Island, MD | 45 mi | 47 min | NNW 9.9G | 32°F | 40°F | 30.32 | ||
44062 - Gooses Reef, MD | 46 mi | 41 min | N 25G | 29°F | 37°F | 1 ft | ||
COVM2 - 8577018 - Cove Point LNG Pier, MD | 47 mi | 47 min | N 22G | 31°F | 30.33 |
Wind History for Washington, DC
toggle option: (graph/table)
Airport Reports
Airport | Dist | Age | Wind kt | Vis | Sky | Weather | Air | DewPt | RH | inHg |
KNYG QUANTICO MCAF /TURNER FIELD,VA | 3 sm | 20 min | N 11 | 10 sm | Clear | 30°F | 5°F | 34% | 30.37 | |
KRMN STAFFORD RGNL,VA | 11 sm | 21 min | N 07 | 10 sm | Clear | 30°F | -2°F | 24% | 30.33 | |
KDAA DAVISON AAF,VA | 17 sm | 21 min | NNW 07 | 10 sm | Clear | 28°F | -0°F | 28% | 30.35 | |
KEZF SHANNON,VA | 17 sm | 21 min | N 05 | Clear | 32°F | 3°F | 29% | 30.33 | ||
KHEF MANASSAS RGNL/HARRY P DAVIS FIELD,VA | 22 sm | 20 min | N 11 | 10 sm | Clear | 27°F | 7°F | 42% | 30.38 |
Link to 1 hour of 5 minute data for KNYG
Terminal Aerodrome Forecast (TAF) for KNYG
Wind History Graph: NYG
(wind in knots)GEOS Local Image of east us
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Sterling, VA,

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