Coastal Flood Advisory
Starts in 3 h 16 min
When
From 2 PM this afternoon to 8 PM EDT this evening, especially around the time of high tide.
Where
Shoreline in Anne Arundel County.
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 2.8 feet, flooding of some of the parking area near Dock Street in Annapolis may occur, with water surrounding the Alex Haley Memorial.
Additional details
Tides one to one and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 4:47 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: Anne Arundel
See it on weather.gov (opens in a new tab)

Observed 9:55 AM EDT at KADW

Mayo, MD weather

Sunny and 53°12°.

Mostly agree

Now 53°12°

Sunny

Wind: 6 mph9 km/h; From the northeast. 58–8 mph13 km/h through 10 PM
Dew point: 46°8°; Comfortable
UV index: 1Low; Moderate 12–3 PM · peak 4
Air quality: 37Good; PM2.5 (fine particles) · tomorrow moderate

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

High 61°16° today at 5 PM
Low 49°9° tonight at 3 AM

This morningNear 54°12° · Clear
This afternoonUp to 61°16° by 5 PM · Clear
TonightDown to 49°9° by 3 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Clear
Tomorrow afternoonUp to 63°17° by 5 PM · Clear
Tomorrow nightDown to 47°8° by 5 AM · Clear
Monday morningNear 48°9° · Clear

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	Sunny	53°12° (likely 53°12° to 55°13°)	53°12°	0%	8 mph13 km/h from NE, gusts 11 mph17 km/h	74%	9%	1
Sat 11a	Sunny	55°13° (likely 54°12° to 57°14°)	55°13°	0%	8 mph13 km/h from NE, gusts 11 mph17 km/h	69%	3%	2
Sat 12p	Sunny	56°13° (likely 56°13° to 58°14°)	56°13°	0%	7 mph11 km/h from NE, gusts 10 mph17 km/h	66%	1%	3
Sat 1p	Sunny	57°14° (likely 57°14° to 60°16°)	57°14°	0%	6 mph10 km/h from E, gusts 9 mph14 km/h	62%	2%	4
Sat 2p	Sunny	58°14° (likely 57°14° to 61°16°)	58°14°	0%	6 mph10 km/h from E, gusts 7 mph12 km/h	59%	4%	3
Sat 3p	Sunny	58°14° (likely 58°14° to 62°17°)	58°14°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	59%	1%	2
Sat 4p	Sunny	60°16° (likely 58°14° to 62°17°)	60°16°	0%	5 mph8 km/h from E, gusts 6 mph10 km/h	55%	1%	1
Sat 5p	Sunny	61°16° (likely 58°14° to 62°17°)	61°16°	0%	6 mph10 km/h from NE, gusts 6 mph10 km/h	53%	1%	1
Sat 6p	Clear	60°16° (likely 57°14° to 60°16°)	60°16°	0%	6 mph10 km/h from E, gusts 6 mph10 km/h	58%	4%	0
Sat 7p	Clear	57°14° (likely 54°12° to 58°14°)	57°14°	0%	6 mph10 km/h from E, gusts 7 mph11 km/h	67%	10%	0
Sat 8p	Mostly clear	55°13° (likely 53°12° to 57°14°)	55°13°	0%	6 mph10 km/h from E, gusts 8 mph13 km/h	72%	14%	0
Sat 9p	Mostly clear	53°12° (likely 52°11° to 57°14°)	53°12°	0%	5 mph8 km/h from E, gusts 8 mph13 km/h	80%	15%	0
Sat 10p	Clear	53°12° (likely 52°11° to 56°13°)	53°12°	0%	5 mph8 km/h from E, gusts 8 mph12 km/h	80%	8%	0
Sat 11p	Clear	53°12° (likely 52°11° to 55°13°)	53°12°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	83%	0%	0
Sun 12a	Clear	51°11° (likely 51°11° to 55°13°)	51°11°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	86%	0%	0
Sun 1a	Clear	51°11° (likely 51°11° to 54°12°)	51°11°	0%	3 mph5 km/h from E, gusts 7 mph11 km/h	86%	0%	0
Sun 2a	Clear	51°11° (likely 50°10° to 54°12°)	51°11°	0%	2 mph3 km/h from E, gusts 6 mph9 km/h	86%	0%	0
Sun 3a	Clear	49°9° (likely 49°9° to 53°12°)	49°9°	0%	2 mph3 km/h from E, gusts 5 mph7 km/h	93%	1%	0
Sun 4a	Clear	49°9° (likely 48°9° to 53°12°)	48°9°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	93%	1%	0
Sun 5a	Clear	49°9° (likely 47°8° to 52°11°)	48°9°	0%	3 mph5 km/h from E, gusts 6 mph10 km/h	93%	2%	0
Sun 6a	Clear	49°9° (likely 46°8° to 52°11°)	47°8°	0%	5 mph8 km/h from NE, gusts 6 mph10 km/h	93%	2%	0
Sun 7a	Sunny	49°9° (likely 46°8° to 52°11°)	47°8°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	93%	2%	0
Sun 8a	Sunny	49°9° (likely 45°7° to 52°11°)	47°8°	0%	5 mph8 km/h from NE, gusts 6 mph10 km/h	93%	1%	0
Sun 9a	Sunny	52°11° (likely 50°10° to 53°12°)	52°11°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	83%	1%	1
Sun 10a	Sunny	54°12° (likely 54°12° to 57°14°)	54°12°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	77%	4%	2
Sun 11a	Mostly sunny	57°14° (likely 56°13° to 59°15°)	57°14°	0%	5 mph8 km/h from NE, gusts 7 mph12 km/h	69%	9%	3
Sun 12p	Sunny	58°14° (likely 58°14° to 60°16°)	58°14°	0%	5 mph8 km/h from NE, gusts 7 mph11 km/h	64%	8%	4
Sun 1p	Sunny	60°16° (likely 59°15° to 61°16°)	60°16°	0%	5 mph8 km/h from NE, gusts 7 mph10 km/h	60%	10%	4
Sun 2p	Sunny	62°17° (likely 59°15° to 63°17°)	62°17°	0%	5 mph8 km/h from NE, gusts 5 mph9 km/h	54%	2%	4
Sun 3p	Sunny	62°17° (likely 60°16° to 63°17°)	62°17°	0%	3 mph5 km/h from NE, gusts 5 mph8 km/h	54%	2%	4
Sun 4p	Sunny	62°17° (likely 60°16° to 64°18°)	62°17°	0%	3 mph5 km/h from NE, gusts 6 mph10 km/h	56%	1%	3
Sun 5p	Sunny	63°17° (likely 60°16° to 63°17°)	63°17°	0%	3 mph5 km/h from NE, gusts 6 mph10 km/h	54%	0%	1
Sun 6p	Clear	62°17° (likely 59°15° to 62°17°)	62°17°	0%	2 mph3 km/h from NE, gusts 5 mph8 km/h	58%	0%	0
Sun 7p	Clear	58°14° (likely 57°14° to 59°15°)	58°14°	0%	2 mph3 km/h from NE, gusts 3 mph4 km/h	67%	0%	0
Sun 8p	Clear	57°14° (likely 55°13° to 58°14°)	57°14°	0%	1 mph2 km/h from NE, gusts 2 mph4 km/h	72%	0%	0
Sun 9p	Clear	54°12° (likely 52°11° to 57°14°)	54°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	80%	0%	0
Sun 10p	Clear	53°12° (likely 51°11° to 56°13°)	53°12°	0%	0 mph0 km/h, gusts 4 mph7 km/h	80%	2%	0
Sun 11p	Clear	52°11° (likely 51°11° to 55°13°)	52°11°	0%	1 mph2 km/h from S, gusts 5 mph8 km/h	86%	1%	0
Mon 12a	Clear	51°11° (likely 50°10° to 54°12°)	51°11°	0%	2 mph3 km/h from S, gusts 4 mph6 km/h	89%	4%	0
Mon 1a	Clear	50°10° (likely 49°9° to 52°11°)	50°10°	0%	2 mph3 km/h from SW, gusts 4 mph7 km/h	93%	6%	0
Mon 2a	Clear	50°10° (likely 47°8° to 51°11°)	49°9°	0%	3 mph5 km/h from W, gusts 5 mph9 km/h	89%	9%	0
Mon 3a	Clear	49°9° (likely 44°7° to 49°9°)	48°9°	0%	3 mph5 km/h from W, gusts 7 mph11 km/h	93%	12%	0
Mon 4a	Clear	48°9° (likely 43°6° to 48°9°)	46°8°	0%	5 mph8 km/h from W, gusts 7 mph12 km/h	93%	10%	0
Mon 5a	Clear	47°8° (likely 43°6° to 47°8°)	45°7°	0%	5 mph8 km/h from W, gusts 7 mph11 km/h	96%	8%	0
Mon 6a	Clear	46°8° (likely 43°6° to 46°8°)	44°7°	0%	5 mph8 km/h from W, gusts 7 mph11 km/h	100%	6%	0
Mon 7a	Sunny	45°7° (likely 42°6° to 46°8°)	42°6°	0%	6 mph10 km/h from W, gusts 7 mph11 km/h	100%	10%	0
Mon 8a	Sunny	46°8° (likely 42°6° to 47°8°)	43°6°	0%	6 mph10 km/h from W, gusts 7 mph11 km/h	100%	14%	0
Mon 9a	Sunny	49°9° (likely 44°7° to 52°11°)	47°8°	0%	6 mph10 km/h from W, gusts 7 mph12 km/h	93%	20%	1

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Mostly sunny. High 61°16°, low 49°9°. Typical 64°18° / 49°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 49°9°
  Dry
Official NWS forecast
Today: Sunny, with a high near 61. Northeast wind 5 to 8 mph.
Tonight: Clear, with a low around 49. East wind 2 to 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
58°14°–62°17°
Low, likely
42°6°–50°10°
Typical high / low
64°18° / 49°9°
Wind
10 mph17 km/h
UV peak
4
Tomorrow, Oct 25. Sunny. High 63°17°, low 45°7°. Typical 64°18° / 49°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Official NWS forecast
Day: Sunny, with a high near 63. Northeast wind around 5 mph.
Night: Clear, with a low around 45. West wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–64°18°
Low, likely
45°7°–52°11°
Typical high / low
64°18° / 49°9°
Wind
9 mph14 km/h
UV peak
4
Monday, Oct 26. Mostly sunny. High 67°19°, low 55°13°. Typical 64°18° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 67. West wind around 6 mph.
Night: Mostly clear, with a low around 55.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–69°21°
Low, likely
42°6°–55°13°
Typical high / low
64°18° / 48°9°
Wind
8 mph13 km/h, gusts 13 mph21 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 64°18°, low 48°9°. Typical 63°17° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 58°15°
  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 64.
Night: Mostly clear, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–65°18°
Low, likely
48°9°–55°13°
Typical high / low
63°17° / 48°9°
Wind
12 mph19 km/h, gusts 21 mph34 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 62°17°, low 50°10°. Typical 63°17° / 48°9°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 62.
Night: Mostly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
61°16°–64°18°
Low, likely
49°9°–54°12°
Typical high / low
63°17° / 48°9°
Wind
11 mph18 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 67°19°, low 51°11°. Typical 62°17° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 53°12°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°11°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 67.
Night: Mostly clear, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–67°19°
Low, likely
51°11°–55°13°
Typical high / low
62°17° / 47°8°
Wind
7 mph12 km/h, gusts 22 mph35 km/h
UV peak
4
Friday, Oct 30. Mostly sunny. High 70°21°, low 51°11°. Typical 62°17° / 47°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 53°11°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 71°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 53°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70.
Night: Mostly clear, with a low around 51.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–74°23°
Low, likely
51°11°–54°12°
Typical high / low
62°17° / 47°8°
Wind
13 mph21 km/h, gusts 26 mph41 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 65°18°, low 52°11°. Typical 62°17° / 47°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°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
60°16°–69°21°
Low, likely
50°10°–55°13°
Typical high / low
62°17° / 47°8°
Wind
15 mph23 km/h, gusts 27 mph43 km/h
UV peak
3
Sunday, Nov 1. Cloudy. High 65°18°, low 55°13°. Typical 61°16° / 46°8°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  20% chance · 0.02 in0.4 mm
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
57°14°–68°20°
Low, likely
48°9°–58°14°
Typical high / low
61°16° / 46°8°
Wind
11 mph17 km/h, gusts 19 mph30 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 65°18°, low 58°14°. Typical 61°16° / 46°8°. Rain 0.09 in2.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 60°16°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  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
57°14°–72°22°
Low, likely
52°11°–61°16°
Typical high / low
61°16° / 46°8°
Wind
11 mph18 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 61°, low 49°.
Tomorrow
Dry, high 63°, low 45°.
Monday
Dry, high 67°, low 55°, warming up.
Rest of week
Mostly dry, highs 62–70°.

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

Severn River at Annapolis (IN MLLW)

5.7 mi

Below flood stage

Level: 1.9 ft

Forecast peak 2.7 ft Sat 4 PM, minor flooding

Reading from Sat 9:06 AM · NWS gauge page

Eastern Bay at Claiborne (IN MLLW)

13 mi

Below flood stage

Level: 1.8 ft

Forecast peak 3.2 ft Sat 4 PM

Reading from Sat 8:36 AM · NWS gauge page

Patuxent River near Bowie

10 mi

Below flood stage

Level: 4.3 ft
Flow: 137 cfs

Reading from Sat 8:45 AM · NWS gauge page

Collington Branch at Mitchellville

12 mi

Below flood stage

Level: 1.0 ft

Reading from Sat 9:15 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 67% less heating than a typical week.

This week 22Typical 66

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 4
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 46°F).

Open the windows?

Today, 4:00 PM–6:00 PM

Good stretch to open the windows.

Is this typical?

Annapolis United States Naval Academy Asos · official normals 1991–2020 · records 1894–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° colder than typical.

Last 7 days vs normal

On average 0° colder than normal (daily mean temperature).

−6°−3°SunOct 18
−3°−2°MonOct 19
+4°+2°TueOct 20
+2°+1°WedOct 21
+2°+1°ThuOct 22
+1°FriOct 23
—SatOct 24

Mayo weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 50 min; Losing 2 min 21 s a day; shortest Dec 21, 1 h 24 min less
Golden hour: 5:38–6:31 PM; Morning 7:08–8:01 AM
Blue hour: 6:31–6:42 PM; Morning 6:57–7:08 AM; first light 6:57 AM

Stars tonight? Fair

Clear 6:42 PM–6:58 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:37 AM · rises 5:11 PM
Full moon: Oct 26
New moon: Nov 9

Looking southeast from Mayo. The highest point on the skyline is about 900 ft, 14 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

Mayo, MD weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Severn River at Annapolis (IN MLLW)

Eastern Bay at Claiborne (IN MLLW)

Patuxent River near Bowie

Collington Branch at Mitchellville

For your home

Heating this week

Heat-pump hours, next 7 days

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon