Wilmington, DE Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Wilmington, DE

April 14, 2024 11:13 PM EDT (03:13 UTC) Change Location
Sunrise 6:23 AM   Sunset 7:41 PM
Moonrise 9:35 AM   Moonset 12:46 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- 1053 Pm Edt Sun Apr 14 2024

.small craft advisory in effect until 1 am edt Monday - .

Rest of tonight - SW winds 5 to 10 kt. Waves 1 to 2 ft. A slight chance of showers and tstms.

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

Mon night - N winds 5 to 10 kt. Waves 1 ft.

Tue - NW winds around 5 kt. Waves 1 ft.

Tue night - S winds 5 kt. Waves less than 1 ft.

Wed - SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

Wed night - E winds 10 kt. Waves 1 ft. Rain likely.

Thu - NE winds 10 kt. Waves 1 to 2 ft. A chance of rain.

Fri - E winds 5 to 10 kt - .becoming sw after midnight. Waves 1 ft. A chance of rain.
winds and waves higher and visibilities lower in and near tstms.

ANZ500 1053 Pm Edt Sun Apr 14 2024

Synopsis for the tidal potomac and md portion of the chesapeake bay -
an area of low pressure and its associated cold front will drop through the mid-atlantic tonight into Monday. This front will likely stall just to the south Tuesday before returning northward as a warm front by mid-week. A weak cold front pushing across the waters on Thursday. Small craft advisories will likely need to be extended into Monday. Additional advisories may be necessary by mid-week.


7 Day Forecast for Marine Location Near Wilmington, DE
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Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 150150 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 950 PM EDT Sun Apr 14 2024

SYNOPSIS
A slow moving cold front will drop south through our region tonight into Monday. High pressure builds back in by late Monday into Tuesday, before a series of frontal boundaries and low pressure systems affect the east coast Wednesday through Friday.

NEAR TERM /THROUGH MONDAY/
One of the first severe weather events of this early spring season went generally as planned this evening, with at least one severe storm along a broken line making its way across the Poconos earlier, resulting in some localized trees down from strong winds. The storms tried to hold together while heading southward across the Lehigh Valley, but weakened well below severe limits after coming off the Pocono Plateau after sunset, with a nearly complete lack of surface-based CAPE available.
However, as the cold pool associated with this line of showers has reached the surface, a gust front right along the leading edge will be producing NW wind gusts of 30-40 mph through 11 PM or so past the I-95 corridor. There may still be an isolated thunderstorm, but non-severe, and that will be the exception, with just showers for most. The showers will struggle to make it much past Wilmington or even to Atlantic City though, and the expectation is that showers will dissipate completely between midnight and 2 PM as a cold front approaches overnight. Temperatures still well into the 60s this evening will drop into the 50s by morning with some locations across the Delmarva only cooling to 60.

The main forecast challenge for Monday will be a cold front that will still be our vicinity. There is some uncertainty regarding how quickly it will move through with a variety of guidance in disagreement on how far south the front will actually reach by Monday afternoon. Consensus from guidance suggest the front will slow to a crawl by the time it reaches southern NJ and the Delmarva on Monday. Then, afternoon heating will allow for some isolated convection to form along the front as it continues to inch southward. Given this, added a 20-30 percent chance for showers and an isolated thunderstorms for southern NJ and the southern Delmarva for Monday afternoon. It will be another warm day with most areas seeing highs in the 70s except cooler near the coast and over the Poconos.

SHORT TERM /MONDAY NIGHT THROUGH WEDNESDAY/
Tranquil weather is expected Monday night into Tuesday as high pressure builds in from the northwest. In the mid an upper levels, a short wave ridge is expected to slide eastward toward our region by Tuesday night. This should limit coverage of showers on Tuesday night despite a warm front approaching from the south.

By Wednesday however, the shortwave ridge will weakens the next closed low approaches from the west, leading to increasing chances for showers though the day. Thanks in large part to the warm front in the region, there will likely be a robust temperature inversion through the day, resulting in limited instability. Therefore, not expecting any thunderstorms at this time.

LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/
The closed low and a trailing cold front continues to approach the region Wednesday night into Thursday. Consequently, there are chances for widespread showers and thunderstorms in the Wednesday night/Thursday period. As far as thunderstorms, instability, especially surface based instability may remain limited through this period, so it is uncertain how widespread the coverage of storms will be. At this point, it appears as if we are likely to have widespread showers with some embedded thunderstorms, primarily late Wednesday night into Thursday morning, though there remains quite a bit of uncertainty with the timing.

Tranquil weather should return again, albeit briefly, as the low departs our region Thursday night or Friday, before the next cold front approaches to start the weekend. At this point, the forecast has rain chances almost throughout this period, but it is unlikely to be a washout through the period, rather there remains uncertainty in the exact timing of the cold front. Once the cold front passes, we should have drying conditions.

AVIATION /02Z MONDAY THROUGH FRIDAY/
The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.

Tonight...Showers will continue to envelope all but perhaps MIV and ACY through 02-04Z, with only very isolated thunder leftover. Notably, winds will briefly shift abruptly to the NW with gusts around 30 kt with the leading edge of the showers, but that should ease to 10 kt and come back around to the west within an hour. LLWS concerns for a few hours ahead and along the frontal boundary, diminishing after 05-06Z. Showers will dissipate after 04-06Z. Moderate confidence overall.

Monday...Prevailing VFR with fair weather for most terminals. An afternoon shower possible for MIV/ACY which could briefly bring sub- VFR conditions. Moderate confidence.

Outlook...

Monday night and Tuesday...VFR expected.

Wednesday through Thursday...Sub-VFR conditions possible (30-40%)
with showers.

Thursday night and Friday...VFR likely, but a brief period of sub- VFR is possible (20%) especially Friday.

MARINE
A SCA continues for the ocean waters tonight, while winds ease across DE Bay, though perhaps briefly swinging around to the NW with some showers trying to push in toward midnight. Winds will continue gust to 25-30 kts over the ocean waters this evening before gradually diminishing as a cold front approaches overnight.
Seas will remain elevated around 4 to 7 feet through tonight before gradually diminishing early Monday morning. Sub- SCA conditions will persist through the rest of the day on Monday with lighter W to SW winds and fair weather conditions.

Outlook...

Monday night through Wednesday...winds and seas should stay below SCA criteria.

Wednesday night through Friday...SCA conditions are likely (60%) for at least a portion of this period as winds and seas build.

PHI WATCHES/WARNINGS/ADVISORIES
PA...None.
NJ...None.
DE...None.
MD...None.
MARINE...Small Craft Advisory until 11 PM EDT this evening for ANZ430- 431.
Small Craft Advisory until 8 AM EDT Monday for ANZ450>455.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
MRCP1 - 8540433 - Marcus Hook, PA 9 mi56 min 67°F 54°F29.80
DELD1 - 8551762 - Delaware City, DE 10 mi56 min NNW 8G11 67°F 29.82
RDYD1 - 8551910 - Reedy Point, DE 12 mi56 min 69°F 56°F29.81
CHCM2 - 8573927 - Chesapeake City, MD 19 mi56 min NNW 8G13 71°F 57°F29.82
PHBP1 - 8545240 - Philadelphia, PA 26 mi56 min 66°F 56°F29.80
BDSP1 31 mi56 min 64°F 56°F29.82
SJSN4 - 8537121 - Ship John Shoal, NJ 31 mi56 min WNW 22G34 65°F 29.85
BDRN4 - 8539094 - Burlington, Delaware River, NJ 44 mi98 min NNW 8.9G17 66°F 54°F29.81


Wind History for Delaware City, DE
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KILG NEW CASTLE,DE 4 sm22 mincalm10 smA Few Clouds64°F52°F64%29.80
KOQN BRANDYWINE RGNL,PA 18 sm18 mincalm10 smClear64°F52°F64%29.76
KPHL PHILADELPHIA INTL,PA 20 sm19 minSSE 0510 smOvercast63°F55°F77%29.78
KMQS CHESTER COUNTY G O CARLSON,PA 24 sm18 minS 0410 smA Few Clouds63°F54°F72%29.79
Link to 5 minute data for KILG


Wind History from ILG
(wind in knots)
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Tide / Current for Millside, RR. bridge, Delaware
   
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Millside
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Sun -- 01:46 AM EDT     Moonset
Sun -- 05:22 AM EDT     5.63 feet High Tide
Sun -- 06:25 AM EDT     Sunrise
Sun -- 10:34 AM EDT     Moonrise
Sun -- 12:44 PM EDT     0.53 feet Low Tide
Sun -- 06:07 PM EDT     4.79 feet High Tide
Sun -- 07:39 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Millside, RR. bridge, Delaware , Tide feet
12
am
0.7
1
am
1.3
2
am
2.7
3
am
4.1
4
am
5.1
5
am
5.6
6
am
5.5
7
am
4.9
8
am
3.9
9
am
3
10
am
2.2
11
am
1.4
12
pm
0.7
1
pm
0.6
2
pm
1.3
3
pm
2.4
4
pm
3.5
5
pm
4.4
6
pm
4.8
7
pm
4.5
8
pm
3.8
9
pm
2.9
10
pm
2.1
11
pm
1.5



Tide / Current for Chesapeake and Delaware Canal, Maryland/Delaware Current
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Chesapeake and Delaware Canal
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Sun -- 01:47 AM EDT     Moonset
Sun -- 02:02 AM EDT     -0.00 knots Slack
Sun -- 05:46 AM EDT     -2.16 knots Max Ebb
Sun -- 06:26 AM EDT     Sunrise
Sun -- 09:44 AM EDT     0.02 knots Slack
Sun -- 10:36 AM EDT     Moonrise
Sun -- 12:42 PM EDT     2.10 knots Max Flood
Sun -- 04:32 PM EDT     -0.07 knots Slack
Sun -- 06:35 PM EDT     -1.26 knots Max Ebb
Sun -- 07:40 PM EDT     Sunset
Sun -- 09:37 PM EDT     0.01 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
1.7
1
am
1.4
2
am
0.3
3
am
-1.3
4
am
-1.8
5
am
-2.1
6
am
-2.1
7
am
-2
8
am
-1.6
9
am
-1.1
10
am
0.7
11
am
1.6
12
pm
2
1
pm
2.1
2
pm
1.8
3
pm
1.4
4
pm
0.8
5
pm
-0.8
6
pm
-1.2
7
pm
-1.2
8
pm
-1
9
pm
-0.6
10
pm
0.5
11
pm
1.1




Weather Map
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GEOS Local Image of east us   
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Philadelphia, PA,



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