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Marine Weather and Tide Forecast for Arden on the Severn, MD

April 19, 2025 5:34 PM EDT (21:34 UTC) Change Location
Sunrise 6:21 AM   Sunset 7:48 PM
Moonrise 12:36 AM   Moonset 9:29 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.

Marine Forecasts
   
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NOTE: Zones were updated 3/20/2025
ANZ538 Patapsco River Including Baltimore Harbor- 434 Pm Edt Sat Apr 19 2025

.small craft advisory in effect until midnight edt tonight - .

Rest of this afternoon - SW winds 10 kt with gusts to 20 kt. Waves 1 ft.

Tonight - SW winds 5 to 10 kt with gusts to 20 kt - . Becoming nw late. Waves 1 ft.

Sun - N winds 5 to 10 kt. Waves 1 ft.

Sun night - E winds 5 kt. Waves flat.

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

Mon night - S winds 5 to 10 kt. Waves 1 ft. A chance of showers.

Tue - W winds 5 to 10 kt. Waves 1 ft or less. A chance of showers in the morning.

Wed - SE winds around 5 kt. Waves flat.
ANZ500 434 Pm Edt Sat Apr 19 2025

Synopsis for the tidal potomac and md portion of the chesapeake bay -
a cold front will move into the area tonight. The boundary will pass south of the area Sunday. An additional cold front may move over the waters Monday night. Small craft advisories may be needed through early Sunday, and again late Monday into early Tuesday. Boaters should be aware of the threats of boating in cold water, even when air temperatures are warm. Visit weather.gov/safety/coldwater for more information.

7 Day Forecast for Marine Location Near Arden on the Severn, MD
   
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Tide / Current for Brewer Point, Maryland
  
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Brewer Point
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Sat -- 01:35 AM EDT     Moonrise
Sat -- 03:57 AM EDT     0.26 feet Low Tide
Sat -- 06:23 AM EDT     Sunrise
Sat -- 10:28 AM EDT     Moonset
Sat -- 10:39 AM EDT     1.09 feet High Tide
Sat -- 06:14 PM EDT     0.32 feet Low Tide
Sat -- 07:47 PM EDT     Sunset
Sat -- 11:22 PM EDT     0.72 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Brewer Point, Maryland does not exist in database. Press Edit above and select a valid nearby location.

Brewer Point, Maryland, Tide feet
12
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0.6
1
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0.5
2
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0.4
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0.3
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0.3
5
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0.3
6
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0.4
7
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0.6
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0.8
9
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1
10
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1.1
11
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1.1
12
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1
1
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0.9
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0.7
3
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0.6
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0.5
5
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0.4
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0.3
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0.3
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9
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0.5
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0.7
11
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0.7

Tide / Current for Baltimore Harbor Approach, Maryland Current
  
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Baltimore Harbor Approach
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Sat -- 01:21 AM EDT     -0.00 knots Slack
Sat -- 01:35 AM EDT     Moonrise
Sat -- 04:03 AM EDT     -0.33 knots Max Ebb
Sat -- 06:22 AM EDT     Sunrise
Sat -- 06:26 AM EDT     0.00 knots Slack
Sat -- 10:28 AM EDT     Moonset
Sat -- 10:28 AM EDT     0.82 knots Max Flood
Sat -- 02:03 PM EDT     -0.00 knots Slack
Sat -- 05:32 PM EDT     -0.78 knots Max Ebb
Sat -- 07:46 PM EDT     Sunset
Sat -- 09:33 PM EDT     0.00 knots Slack
Sat -- 11:52 PM EDT     0.30 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Baltimore Harbor Approach, Maryland Current does not exist in database. Press Edit above and select a valid nearby location.

Baltimore Harbor Approach, Maryland Current, knots
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0.2
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0.1
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-0.1
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-0.3
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-0.3
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-0.3
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-0.1
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0.4
9
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0.7
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0.8
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0.8
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0.6
1
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0.4
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3
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-0.3
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-0.6
5
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-0.8
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-0.8
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-0.6
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-0.4
9
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-0.1
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0.1
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0.3

Area Discussion for Baltimore, MD/Washington
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NOTE: mouseover dotted underlined text for definition
FXUS61 KLWX 191834 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 234 PM EDT Sat Apr 19 2025

SYNOPSIS
A cold front will move through the area today as high pressure builds to the north. The cold front will stall to the south Sunday before lifting as a warm front on Monday. A low pressure system tracks across the Great Lakes on Monday with the associated cold front swinging through the mid-atlantic Monday night into Tuesday.
High pressure builds to the north on Wednesday ahead of a nearby front bringing precipitation chances at the end of the week.

NEAR TERM /THROUGH TONIGHT/
A positively tilted trough is currently tracking across central CONUS while pushing a cold front draped from Texas to the Great Lakes eastward. Current radar imagery as of 1:30PM shows convection tracking ahead of the cold front into New England.
The majority of CAMs have convection primarily staying north of the forecast area in PA, however, CAMs continue to show showers and thunderstorms impacting western MD late this evening. SPC has western MD in a marginal risk for severe weather this evening with the primary threats being damaging winds gusts.
Outside of western MD, cloudy skies and dry conditions are expected through the overnight.

The cold front will approach the forecast area this evening, before dropping through from northwest to southeast overnight.
Winds shift to northwesterly late tonight behind the front.
Outside of shower activity in the northwestern portions of the forecast area, dry conditions continue overnight. Low temperatures will be in the 60s for most with higher elevations staying in the 50s.



SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/
Surface high pressure builds to the north tomorrow with primarily dry conditions expected. The exception will be west of the Blue Ridge and south of US-50. The aforementioned cold front will be stalled to our south, however, the proximity of the front combined with peak daytime heating may result in showers and thunderstorms in that area. Should convection initiate, the greatest threat would be hail given the low freezing levels and mid-level shear. High temperatures will be in the 70s to low 80s for most with those at higher elevations staying in the 60s. Overnight low temperatures will be in the 50s.

On Monday, a low pressure system tracks northeast across the Great Lakes with the associated cold front approaching the forecast area from the west. The aforementioned front to the south, will lift north through the Mid-Atlantic as a warm front ahead of the low pressure system. During the day, dry conditions are expected with high temperatures in the 70s to low 80s. Those in NE MD and/or at higher elevations will stay in the upper 60s. Precipitation chances increase from northwest to southeast overnight as the cold front approaches. Low temperatures will be in the 50s to low 60s.

LONG TERM /TUESDAY THROUGH FRIDAY/
A cold front draped over the area early Tuesday will be pushed south during the afternoon by a reinforcing upper trough. Scattered showers and some thunderstorms are possible Tuesday, mostly along/south of I-66/US-48. Very warm conditions as highs reach the upper 70s to low 80s. While the cold front is forecast to move into southern VA, there could be some lingering showers in Central VA Tuesday night into Wednesday morning.

Beyond that, a surface high over the region brings dry conditions Wednesday afternoon into Thursday. Highs in the 70s to low 80s for the middle of next week, with overnight lows in the 50s to around 60F. Another cold front approaches late Friday and brings the next round of showers and possible thunderstorms.

AVIATION /18Z SATURDAY THROUGH THURSDAY/
West/southwest winds continue this evening, with gusts diminishing after sunset. Light winds are expected overnight as a weak cold front pushes through the forecast area. Winds shift to northwesterly behind the front overnight. On Sunday, high pressure shifts to the north, with northerly winds shifting to easterly winds throughout the day. VFR conditions are expected across all terminals today and Sunday. On Monday, winds shift to southeasterly resulting in increased moisture and low level clouds. With primarily VFR conditions expected, MVFR ceilings are possible.

A cold front sagging south through the area on Tuesday could produce scattered showers/thunderstorms, though the highest coverage is likely to be south of most of the terminals. Will have to see for any impacts at CHO. Otherwise, VFR conditions are likely to prevail through the middle of next week.

MARINE
Small Craft Advisory conditions continue through this evening as a cold front approaches and moves over the waters. Behind the front, winds become northwesterly and are expected to diminish to sub-SCA criteria early Sunday morning. Winds shift to northerly and then northeasterly on Sunday, before becoming east/southeasterly overnight. On Monday, SCA criteria winds are possible as winds channel in southeasterly flow. Winds shift to southerly Monday night and into Tuesday, with SCA criteria winds continuing in the southern portions of the Chesapeake Bay.

Favorable marine conditions possible for the middle of next week, though gusts could approach 15 knots Tuesday afternoon. A cold front sagging south through the waters through the day on Tuesday could produce scattered showers and thunderstorms. Any strong storm could pose a localized hazard to boaters. The front pushes south of the area Wednesday morning as winds turn north, then east behind the front on Wednesday afternoon.

CLIMATE
Very mild conditions this morning kept low temperatures in the 60s across the area. If these temperatures hold through midnight local time tonight (1 AM EDT), there could be several warm minimum temperature records that are tied or broken. Below is a list of daily record warm minimum temperatures for April 19, as well as the observed minimum temperature so far today (as of 2 PM EDT).

Dulles (IAD), Annapolis (NAK), and Hagerstown (HGR) are on pace to set new daily warm minimum records, while Baltimore Inner Harbor (DMH) is on pace to tie the daily warm minimum record.

Martinsburg (MRB) is not only on pace to break the daily record for April 19, but if the 69F holds it will set a new all-time warm minimum temperature record for the month of April (beating out 68F from April 18, 1896).

Apr 19 Apr 19 Climate Site Warm Low Low Temp Record Observed Washington National (DCA) 69F (1896) 67F Washington Dulles (IAD) 64F (2019) 67F - Daily Record Possible Baltimore (BWI) 70F (1896) 69F Baltimore Inner Hrb (DMH) 70F (1985) 70F - Tie Daily Record Possible Martinsburg (MRB) 64F (1896) 69F - Monthly Record Possible Annapolis (NAK) 65F (1899) 68F - Daily Record Possible Hagerstown (HGR) 64F (2019) 68F - Daily Record Possible Charlottesville (CHO) 66F (2019) 64F

LWX WATCHES/WARNINGS/ADVISORIES
DC...None.
MD...Small Craft Advisory until midnight EDT tonight for MDZ008.
VA...None.
WV...None.
MARINE...Small Craft Advisory until midnight EDT tonight for ANZ530>543.


Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
APAM2 - 8575512 - Annapolis, MD 8 mi46 minS 5.1G11 80°F 30.01
44063 - Annapolis 10 mi34 minSSW 7.8G9.7 71°F 56°F1 ft
CPVM2 11 mi46 min 66°F 58°F
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 11 mi46 minSW 11G14 79°F 30.01
BLTM2 - 8574680 - Baltimore, MD 14 mi46 minSSW 2.9G6 78°F 55°F
TPLM2 - Thomas Point, MD 14 mi34 minS 11G12 74°F 30.05
TCBM2 - 8573364 - Tolchester Beach, MD 20 mi46 minS 4.1G7 74°F 30.02
BSLM2 - Chesapeake Bay, MD 21 mi64 minSSW 7 82°F 30.0458°F
WASD2 - 8594900 - Washington, DC 27 mi46 minS 7G8.9 73°F 59°F30.03
CXLM2 35 mi49 minSW 6G8
44062 - Gooses Reef, MD 37 mi34 minSSW 5.8G7.8 65°F 55°F1 ft
CA2 - 8571892 - Cambridge, MD 44 mi46 minSSW 9.9G14 81°F 58°F30.06
COVM2 - 8577018 - Cove Point LNG Pier, MD 47 mi46 minS 17G19 82°F 30.06


Wind History for Annapolis, MD
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Airport Reports
   
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Weather Map
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GEOS Local Image of east us  
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