Coastal Flood Advisory
Starts in 1 h 5 min
When
Until 5 PM EDT this afternoon, especially around the time of high tide.
Where
Shoreline in Charles and King George Counties.
Issued for this forecast zone · National Weather Service Baltimore MD/Washington DC
What, impacts and precautionsHide details
What
Up to one half foot of inundation above ground level expected in low lying areas due to tidal flooding.
Impacts
At 3.5 feet, water reaches yards near Cobb Island and docks near Dahlgren.
Additional details
Tides one and a half to two feet above normal. The next high tide at Goose Bay is at 3:15 PM. The next high tide at Dahlgren is at 2:03 PM.
Precautionary actions
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Areas: Charles; King George
See it on weather.gov (opens in a new tab)

Observed 10:15 AM EDT at KRMN

Dahlgren, VA weather

Sunny and 54°12°, jacket by 7 PM.

Mostly agree

Now 54°12°

Sunny

Wind: 7 mph11 km/h; From the north-northeast. Up to 7 mph11 km/h through 10 PM
Dew point: 41°5°; Comfortable
UV index: 3Moderate; Moderate 11 AM–5 PM · peak 4
Air quality: 17Good; Ozone · tomorrow moderate
Pressure: 30.55 inHg1035 hPa; Rising slowly · +0.02 inHg+0.6 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 64°18° today at 3 PM
Below 50°10° tonight after 9 PM
Low 43°6° tomorrow at 6 AM
Above 50°10° tomorrow by 10 AM

This morningUp to 58°14° by 11 AM · Partly cloudy
This afternoonUp to 64°18° by 3 PM · Partly cloudy
TonightDown to 44°7° by 11 PM · Partly cloudy
Tomorrow morningUp to 58°14° by 11 AM · Clear
Tomorrow afternoonUp to 67°19° by 3 PM · Clear
Tomorrow nightDown to 43°6° by 5 AM · Clear
Monday morningUp to 47°8° by 9 AM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 10a	Mostly sunny	53°12° (likely 52°11° to 55°13°)	53°12°	0%	5 mph8 km/h from NE, gusts 9 mph15 km/h	77%	18%	2
Sat 11a	Mostly sunny	58°14° (likely 56°13° to 59°15°)	58°14°	0%	6 mph10 km/h from NE, gusts 10 mph16 km/h	67%	41%	3
Sat 12p	Mostly sunny	60°16° (likely 58°14° to 61°16°)	60°16°	0%	6 mph10 km/h from E, gusts 12 mph19 km/h	62%	32%	4
Sat 1p	Partly sunny	61°16° (likely 60°16° to 63°17°)	61°16°	0%	6 mph10 km/h from E, gusts 10 mph16 km/h	58%	26%	4
Sat 2p	Partly sunny	63°17° (likely 60°16° to 64°18°)	63°17°	0%	6 mph10 km/h from E, gusts 9 mph15 km/h	54%	34%	4
Sat 3p	Partly sunny	64°18° (likely 60°16° to 64°18°)	64°18°	0%	6 mph10 km/h from E, gusts 9 mph14 km/h	50%	35%	4
Sat 4p	Partly sunny	63°17° (likely 60°16° to 64°18°)	63°17°	0%	6 mph10 km/h from E, gusts 9 mph14 km/h	52%	40%	3
Sat 5p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	6 mph10 km/h from E, gusts 9 mph14 km/h	52%	35%	1
Sat 6p	Clear	59°15° (likely 57°14° to 60°16°)	59°15°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	62%	35%	0
Sat 7p	Clear	52°11° (likely 52°11° to 57°14°)	52°11°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	80%	36%	0
Sat 8p	Mostly cloudy	50°10° (likely 50°10° to 56°13°)	49°9°	0%	3 mph5 km/h from NE, gusts 6 mph10 km/h	86%	43%	0
Sat 9p	Cloudy	47°8° (likely 47°8° to 56°13°)	47°8°	0%	2 mph3 km/h from NE, gusts 6 mph10 km/h	96%	73%	0
Sat 10p	Partly cloudy	46°8° (likely 46°8° to 56°13°)	46°8°	0%	2 mph3 km/h from E, gusts 5 mph8 km/h	100%	73%	0
Sat 11p	Partly cloudy	44°7° (likely 44°7° to 55°13°)	44°7°	0%	2 mph3 km/h from E, gusts 7 mph11 km/h	100%	75%	0
Sun 12a	Partly cloudy	44°7° (likely 44°7° to 54°12°)	44°7°	0%	2 mph3 km/h from E, gusts 7 mph12 km/h	100%	47%	0
Sun 1a	Clear	44°7° (likely 44°7° to 53°12°)	44°7°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	100%	8%	0
Sun 2a	Clear	44°7° (likely 44°7° to 52°11°)	44°7°	0%	2 mph3 km/h from NE, gusts 5 mph9 km/h	100%	5%	0
Sun 3a	Clear	44°7° (likely 44°7° to 51°11°)	44°7°	0%	2 mph3 km/h from NE, gusts 5 mph8 km/h	100%	5%	0
Sun 4a	Clear	44°7° (likely 44°7° to 50°10°)	44°7°	0%	2 mph3 km/h from NE, gusts 4 mph7 km/h	100%	6%	0
Sun 5a	Mostly clear	44°7° (likely 44°7° to 50°10°)	44°7°	0%	2 mph3 km/h from NE, gusts 4 mph7 km/h	100%	7%	0
Sun 6a	Clear	43°6° (likely 43°6° to 50°10°)	43°6°	0%	2 mph3 km/h from NE, gusts 5 mph8 km/h	100%	12%	0
Sun 7a	Sunny	43°6° (likely 43°6° to 50°10°)	43°6°	0%	2 mph3 km/h from NE, gusts 5 mph8 km/h	100%	15%	0
Sun 8a	Sunny	44°7° (likely 44°7° to 50°10°)	42°6°	0%	3 mph5 km/h from NE, gusts 4 mph7 km/h	100%	18%	0
Sun 9a	Sunny	49°9° (likely 49°9° to 53°12°)	48°9°	0%	3 mph5 km/h from NE, gusts 6 mph9 km/h	93%	16%	1
Sun 10a	Mostly sunny	54°12° (likely 54°12° to 58°14°)	54°12°	0%	3 mph5 km/h from NE, gusts 9 mph14 km/h	80%	19%	2
Sun 11a	Sunny	58°14° (likely 58°14° to 61°16°)	58°14°	0%	3 mph5 km/h from NE, gusts 10 mph16 km/h	72%	7%	3
Sun 12p	Sunny	61°16° (likely 61°16° to 64°18°)	61°16°	0%	3 mph5 km/h from NE, gusts 9 mph14 km/h	65%	8%	4
Sun 1p	Sunny	63°17° (likely 62°17° to 65°18°)	63°17°	0%	3 mph5 km/h from NE, gusts 7 mph12 km/h	58%	13%	4
Sun 2p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	52%	10%	4
Sun 3p	Sunny	67°19° (likely 64°18° to 67°19°)	67°19°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	49%	15%	4
Sun 4p	Sunny	66°19° (likely 64°18° to 66°19°)	66°19°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	50%	8%	3
Sun 5p	Sunny	66°19° (likely 63°17° to 66°19°)	66°19°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	52%	9%	1
Sun 6p	Clear	61°16° (likely 59°15° to 62°17°)	61°16°	0%	2 mph3 km/h from E, gusts 5 mph9 km/h	62%	9%	0
Sun 7p	Clear	55°13° (likely 55°13° to 58°14°)	55°13°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	77%	0%	0
Sun 8p	Clear	52°11° (likely 52°11° to 56°13°)	52°11°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	86%	0%	0
Sun 9p	Clear	50°10° (likely 50°10° to 55°13°)	50°10°	0%	1 mph2 km/h from E, gusts 5 mph8 km/h	89%	0%	0
Sun 10p	Clear	48°9° (likely 48°9° to 55°13°)	48°9°	0%	0 mph0 km/h, gusts 5 mph8 km/h	96%	0%	0
Sun 11p	Clear	46°8° (likely 46°8° to 54°12°)	46°8°	0%	0 mph0 km/h, gusts 5 mph8 km/h	100%	0%	0
Mon 12a	Clear	45°7° (likely 45°7° to 53°12°)	45°7°	0%	0 mph0 km/h, gusts 5 mph9 km/h	100%	1%	0
Mon 1a	Clear	45°7° (likely 45°7° to 52°11°)	45°7°	0%	1 mph2 km/h from SW, gusts 6 mph9 km/h	100%	13%	0
Mon 2a	Clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	1 mph2 km/h from W, gusts 5 mph8 km/h	100%	12%	0
Mon 3a	Mostly clear	45°7° (likely 45°7° to 50°10°)	45°7°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	100%	28%	0
Mon 4a	Mostly clear	44°7° (likely 44°7° to 49°9°)	44°7°	0%	2 mph3 km/h from W, gusts 4 mph7 km/h	100%	38%	0
Mon 5a	Mostly clear	43°6° (likely 43°6° to 48°9°)	43°6°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	100%	46%	0
Mon 6a	Mostly clear	41°5° (likely 41°5° to 47°8°)	41°5°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	100%	46%	0
Mon 7a	Mostly sunny	41°5° (likely 41°5° to 46°8°)	41°5°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	100%	46%	0
Mon 8a	Mostly sunny	43°6° (likely 43°6° to 46°8°)	43°6°	0%	2 mph3 km/h from W, gusts 6 mph9 km/h	100%	49%	0
Mon 9a	Mostly sunny	47°8° (likely 43°6° to 50°10°)	47°8°	0%	2 mph3 km/h from W, gusts 5 mph8 km/h	93%	52%	1

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Partly sunny. High 64°18°, low 43°6°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 44°7°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 64. East wind around 6 mph.
Tonight: Partly cloudy, with a low around 43. Northeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–64°18°
Low, likely
42°6°–47°8°
Wind
8 mph14 km/h, gusts 16 mph26 km/h
UV peak
4
Tomorrow, Oct 25. Partly sunny. High 67°19°, low 41°5°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 43°6°
  Dry
Official NWS forecast
Day: Sunny, with a high near 67. Northeast wind around 3 mph.
Night: Clear, with a low around 41. Southeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–67°19°
Low, likely
41°5°–50°10°
Wind
6 mph10 km/h, gusts 11 mph18 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 69°21°, low 51°11°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 69. West wind around 5 mph.
Night: Clear, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–69°21°
Low, likely
43°6°–51°11°
Wind
6 mph9 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 67°19°, low 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 67.
Night: Mostly clear, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–70°21°
Low, likely
48°9°–52°11°
Wind
8 mph12 km/h, gusts 18 mph29 km/h
UV peak
4
Wednesday, Oct 28. Cloudy. High 65°18°, low 50°10°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 65.
Night: Mostly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
63°17°–66°19°
Low, likely
47°8°–53°12°
Wind
8 mph12 km/h, gusts 16 mph26 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 70°21°, low 52°11°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Partly sunny, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 70.
Night: Mostly clear, with a low around 52.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–70°21°
Low, likely
47°8°–54°12°
Wind
6 mph9 km/h, gusts 13 mph20 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 73°23°, low 53°12°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 52°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 73.
Night: Mostly clear, with a low around 53.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
71°22°–74°23°
Low, likely
47°8°–53°12°
Wind
9 mph14 km/h, gusts 23 mph37 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 68°20°, low 51°11°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 52°11°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–71°22°
Low, likely
47°8°–53°12°
Wind
9 mph14 km/h, gusts 25 mph41 km/h
UV peak
2
Sunday, Nov 1. Cloudy. High 68°20°, low 52°11°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 56°13°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–72°22°
Low, likely
41°5°–56°13°
Wind
8 mph12 km/h, gusts 17 mph28 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 69°21°, low 55°13°. Rain 0.05 in1.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 60°16°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 69°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°15°
  20% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
59°15°–74°23°
Low, likely
45°7°–61°16°
Wind
8 mph13 km/h, gusts 19 mph30 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 64°, low 43°.
Tomorrow
Dry, high 67°, low 41°, warming up.
Monday
Dry, high 69°, low 51°.
Rest of week
Mostly dry, highs 65–73°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (LWX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Upper Machodoc Creek near Dahlgren (IN MLLW)

2.1 mi

Below flood stage

Level: 2.5 ft

Forecast peak 3.8 ft Sat 2 PM, minor flooding

Reading from Sat 10:06 AM · NWS gauge page

Zekiah Swamp Run near Newtown

13 mi

Below flood stage

Level: 0.9 ft
Flow: 13 cfs

Reading from Sat 9:15 AM · NWS gauge page

Mattawoman Creek near Pomonkey

18 mi

Below flood stage

Level: 2.2 ft
Flow: 8 cfs

Reading from Sat 9:50 AM · NWS gauge page

St. Clement Creek near Clements

18 mi

Below flood stage

Level: -0.3 ft

Reading from Sat 9:15 AM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 52 min; Losing 2 min 16 s a day; shortest Dec 21, 1 h 22 min less
Golden hour: 5:41–6:34 PM; Morning 7:09–8:02 AM
Blue hour: 6:34–6:45 PM; Morning 6:59–7:09 AM; first light 6:59 AM

Stars tonight? Fair

Mostly clear 1–7 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:39 AM · rises 5:14 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from Dahlgren. The highest point on the skyline is about 3,000 ft, 34 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

1 active weather alert

Coastal Flood Advisory

Dahlgren, VA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Upper Machodoc Creek near Dahlgren (IN MLLW)

Zekiah Swamp Run near Newtown

Mattawoman Creek near Pomonkey

St. Clement Creek near Clements

Sun & moon

Sun

Stars tonight? Fair

Moon