Havre de Grace, MD Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Havre de Grace, MD

April 21, 2024 4:32 AM EDT (08:32 UTC) Change Location
Sunrise 6:16 AM   Sunset 7:50 PM
Moonrise 4:48 PM   Moonset 4:16 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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ANZ530 Chesapeake Bay North Of Pooles Island- 156 Am Edt Sun Apr 21 2024

.small craft advisory in effect until 6 am edt early this morning - .

Overnight - N winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.

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

Sun night - NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

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

Mon night - E winds around 5 kt. Waves 1 ft or less.

Tue - S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft.

Tue night - S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.

Wed - SW winds 10 to 15 kt - .becoming nw. Waves 1 to 2 ft. A chance of showers.

Thu - NW winds 10 to 15 kt. Waves 1 ft.

ANZ500 156 Am Edt Sun Apr 21 2024

Synopsis for the tidal potomac and md portion of the chesapeake bay -
high pressure will gradually push in from the west today while low pressure passes well to the south. The high will move overhead Monday and Tuesday. A cold front will approach Wednesday. Small craft advisories may be needed Sunday night and Tuesday through Wednesday.


7 Day Forecast for Marine Location Near Havre de Grace, MD
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Area Discussion for - Baltimore, MD/Washington
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FXUS61 KLWX 210800 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 400 AM EDT Sun Apr 21 2024

SYNOPSIS
Low pressure will pass south of the area today. High pressure will build overhead Monday and Tuesday. A cold front will cross the area Wednesday, followed by high pressure for the end of the week.

NEAR TERM /THROUGH TONIGHT/
A front is stalled across the southeastern states this morning with multiple waves of low pressure along it. High level clouds have spread northward across the forecast area, and mid level clouds will follow suit after sunrise. Overall it will be a mostly cloudy day, which combined with the cooler post frontal airmass, will mean that temperatures will remain below 60 for most areas. A shortwave will cause overrunning rain to spread northeastward from the frontal zone later this morning into the afternoon. The cutoff for this precipitation will be very close to Nelson and St. Marys Counties, with 00Z guidance indicating an increased chance for light rain across far southern Maryland.

Skies will clear this evening, but the passage of a trough and pressure rises may mean winds remain elevated for a time. It does appear winds should slack during the second half of the night, especially west of the Blue Ridge. With dew points in the upper 20s, there is potential for subfreezing temperatures, and have thus issued a Freeze Watch. Probabilities are slightly higher in the central Shenandoah Valley. In addition, Frost Advisories may be needed for locations west of the I-95 corridor as temperatures likely dip to the mid 30s.

SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/
High pressure will build in from the west Monday and Monday night with mostly clear skies expected. While slightly warmer overall, temperatures will still be a little below normal. Frost may be a concern for rural areas again Monday night.

The high will push to the south and east on Tuesday. Increasing southerly flow will result in temperatures warming into the mid 60s to lower 70s. Clouds will gradually increase ahead of a low pressure system moving through the Great Lakes. Showers ahead of this system may reach the Appalachians during the evening and definitely overnight as the cold front approaches. While some showers may spread across the remainder of the area, recent guidance has been trending drier east of the mountains.

LONG TERM /WEDNESDAY THROUGH SATURDAY/
High pressure will move east to the coast Wednesday. A cold front will push across the region Wednesday morning. The possible timing of frontal passage early in the day, along with a developing westerly downsloping flow, could reduce the possibility of any strong thunderstorms or prolonged periods of showers. As a matter of fact, many areas to the east of the Appalachians may not see any rainfall Wednesday into Wednesday night. High temperatures Wednesday will be near average. An upslope wind into the ridgeline of the Appalachians could lead to some enhancement of shower activity, but probably not widespread or flood potential.

An area of cooler high pressure is expected to build behind the front Thursday with a reinforcing center of high pressure expected on Friday. Dry conditions expected each day with high temperatures a couple of degrees below average. Highs near 60 to lower 60s each day.

By Saturday, the secondary high moves to the east. A developing warm front to our southwest Friday night will push east and north Friday night and during the day Saturday. Increased light rain chances and perhaps some elevated thunder are possible ahead of and along this warm front late Friday night and Saturday. Temperatures will be closer to average, if not a few degrees above average on Saturday.
This will depend on how far the warm front pushes east and north.

AVIATION /08Z SUNDAY THROUGH THURSDAY/
VFR conditions are expected through Tuesday. Mid and high level ceilings are expected through this afternoon. North to northwest winds are expected through Monday at 10 kt or less. Increasing southerly flow on Tuesday may gust to 20 kt.

VFR conditions Wednesday through Thursday night. Winds southwest becoming northwest and increasing 15 to 25 knots Wednesday and Wednesday night. Winds northwest 10 to 15 knots gusts up to 20 knots Thursday. Winds becoming northeast 5 to 10 knots Thursday night.

MARINE
Small Craft Advisories remain in effect for much of the waters this morning, as gusty north winds were a little slower to arrive than previous forecast. However, sub-SCA winds are expected by mid morning. Another surge of NNW winds is expected tonight, and an additional advisory will be needed, mainly for the bay and lower Potomac since the interior waters should decouple somewhat.

Lighter winds are expected Monday and Monday night as high pressure builds overhead. Increasing southerly flow will develop Tuesday and Tuesday night. SCAs will likely be needed.

Small craft advisories likely Wednesday through Thursday morning.
Small craft advisories may still be possible Thursday afternoon. No marine hazards Thursday night. Winds becoming northwest 15 to 25 knots gusts up to 30 knots Wednesday through Thursday morning. Winds northwest 10 to 20 knots Thursday afternoon. Winds becoming northeast around 10 knots Thursday night.

LWX WATCHES/WARNINGS/ADVISORIES
DC...None.
MD...Freeze Watch from late tonight through Monday morning for MDZ003.
VA...Freeze Watch from late tonight through Monday morning for VAZ025>031-507-508.
WV...Freeze Watch from late tonight through Monday morning for WVZ050>053-055.
MARINE...Small Craft Advisory until 6 AM EDT early this morning for ANZ530>532-536-539>542.
Small Craft Advisory until 9 AM EDT this morning for ANZ533- 534-537-543.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
CHCM2 - 8573927 - Chesapeake City, MD 15 mi63 min N 4.1G7 47°F 60°F30.05
TCBM2 - 8573364 - Tolchester Beach, MD 24 mi63 min NNE 13G19 50°F 30.05
DELD1 - 8551762 - Delaware City, DE 27 mi63 min ENE 5.1G8.9 48°F 30.05
RDYD1 - 8551910 - Reedy Point, DE 27 mi63 min 47°F 58°F30.04
44043 - Patapsco, MD 31 mi39 min N 18G21 49°F 58°F2 ft
BLTM2 - 8574680 - Baltimore, MD 32 mi63 min NNE 9.9G12 50°F 61°F
CBCM2 32 mi63 min N 13G15 51°F 60°F30.0331°F
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 32 mi63 min NNE 9.9G13 50°F
MRCP1 - 8540433 - Marcus Hook, PA 40 mi63 min 46°F 57°F30.05
CPVM2 41 mi63 min 53°F 36°F
SJSN4 - 8537121 - Ship John Shoal, NJ 41 mi63 min N 15G17 48°F 30.04
44063 - Annapolis 44 mi39 min NNE 16G21 50°F 58°F1 ft
APAM2 - 8575512 - Annapolis, MD 44 mi63 min NW 7G8 52°F 64°F30.04
TPLM2 - Thomas Point, MD 48 mi33 min N 17G18 52°F 30.07


Wind History for Chesapeake City, MD
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KMTN MARTIN STATE,MD 22 sm23 minNNW 0510 smClear46°F28°F49%30.09
Link to 5 minute data for KAPG


Wind History from APG
(wind in knots)
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Tide / Current for Havre de Grace, Susquehanna River, Maryland
   
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Havre de Grace
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Sun -- 03:27 AM EDT     0.48 feet Low Tide
Sun -- 05:16 AM EDT     Moonset
Sun -- 06:17 AM EDT     Sunrise
Sun -- 09:26 AM EDT     2.35 feet High Tide
Sun -- 04:02 PM EDT     0.51 feet Low Tide
Sun -- 05:48 PM EDT     Moonrise
Sun -- 07:48 PM EDT     Sunset
Sun -- 09:41 PM EDT     2.13 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Havre de Grace, Susquehanna River, Maryland, Tide feet
12
am
1.4
1
am
1.1
2
am
0.7
3
am
0.5
4
am
0.5
5
am
0.8
6
am
1.2
7
am
1.7
8
am
2.1
9
am
2.3
10
am
2.3
11
am
2.1
12
pm
1.8
1
pm
1.4
2
pm
1
3
pm
0.6
4
pm
0.5
5
pm
0.6
6
pm
1
7
pm
1.4
8
pm
1.8
9
pm
2.1
10
pm
2.1
11
pm
2



Tide / Current for Chesapeake and Delaware Canal, Maryland/Delaware Current
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Chesapeake and Delaware Canal
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Sun -- 03:25 AM EDT     0.02 knots Slack
Sun -- 05:15 AM EDT     Moonset
Sun -- 06:11 AM EDT     2.02 knots Max Flood
Sun -- 06:16 AM EDT     Sunrise
Sun -- 09:26 AM EDT     -0.08 knots Slack
Sun -- 12:09 PM EDT     -1.71 knots Max Ebb
Sun -- 03:40 PM EDT     0.02 knots Slack
Sun -- 05:47 PM EDT     Moonrise
Sun -- 06:25 PM EDT     1.90 knots Max Flood
Sun -- 07:47 PM EDT     Sunset
Sun -- 09:08 PM EDT     -0.06 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Chesapeake and Delaware Canal, Maryland/Delaware Current, knots
12
am
-1.9
1
am
-1.7
2
am
-1.4
3
am
-0.8
4
am
1
5
am
1.7
6
am
2
7
am
1.9
8
am
1.5
9
am
0.8
10
am
-0.9
11
am
-1.5
12
pm
-1.7
1
pm
-1.6
2
pm
-1.3
3
pm
-0.9
4
pm
0.7
5
pm
1.5
6
pm
1.9
7
pm
1.8
8
pm
1.4
9
pm
0.5
10
pm
-1.2
11
pm
-1.7




Weather Map
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