Lancaster, PA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Lancaster, PA

June 15, 2024 1:25 PM EDT (17:25 UTC) Change Location
Sunrise 5:34 AM   Sunset 8:37 PM
Moonrise 1:28 PM   Moonset 12:45 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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ANZ530 Chesapeake Bay North Of Pooles Island- 1034 Am Edt Sat Jun 15 2024

.small craft advisory in effect until 11 am edt this morning - .

Rest of today - N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

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

Sun - E winds 5 to 10 kt - .becoming se late. Waves 1 ft or less.

Sun night - SE winds 5 to 10 kt. Waves 1 ft.

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

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

Tue - S winds 5 to 10 kt. Waves 1 ft.

Wed - S winds around 5 kt. Waves 1 ft or less.

ANZ500 1034 Am Edt Sat Jun 15 2024

Synopsis for the tidal potomac and md portion of the chesapeake bay -
high pressure will return over the weekend before exiting offshore early next week. A warm front will lift across the waters Sunday night through Monday night, and small craft advisories may be needed during this time.


7 Day Forecast for Marine Location Near Lancaster, PA
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Area Discussion for - State College, PA
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FXUS61 KCTP 151540 AFDCTP

Area Forecast Discussion National Weather Service State College PA 1140 AM EDT Sat Jun 15 2024

SYNOPSIS
Canadian high pressure will build southeastward into Pennsylvania this weekend, providing sunshine, seasonable temperatures and low humidity this weekend. For next week, an anomalous subtropical ridge will build over the East Coast accompanied by an extended period of hot and humid weather.

NEAR TERM /THROUGH TONIGHT/
Canadian high pressure building southeastward into PA will provide fair weather this aftn with a good deal of sunshine, seasonably warm temps and low humidity. Fair wx cu will continue to develop overhead, but partly to mostly sunny skies should prevail this afternoon.

Dry air above a weak inversion in the model soundings suggest dewpoints will fall below NBM guidance this afternoon, so have trended lower than the guidance.

Model guidance indicates there will be some cirrus drifting over PA overnight, in advance of a weak shortwave cresting the ridge axis over the Grt Lks. However, model RH profiles indicate it should be relatively thin and not significantly affect radiational cooling, which otherwise looks favorable under the surface high. Have, therefore, undercut NBM min temps a bit, with lows ranging from the low 40s in the coolest northern valleys to the mid 50s in the urban centers of the Lower Susq Valley.

SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/
The surface high will pass east of PA Sunday, resulting in a slightly warmer return southerly flow. After a pleasantly cool start, it will be a seasonably warm afternoon with all but perhaps the highest elevations topping 80 degrees.

A building subtropical ridge along the East Coast and the passage of a warm front on Monday will herald the arrival of more heat and humidity. There is an outside chc of a shower/storm over the the higher terrain of the Allegheny Plateau on Monday. Otherwise, it will be a very warm and increasingly humid afternoon.

LONG TERM /TUESDAY THROUGH FRIDAY/
Little change with the late evening update outside of limiting chances of diurnal showers/storms on Tuesday. Have kept chances into the middle/end of the week due to some uncertainty.

Prev..

Confidence is increasing for a heat wave later next week with the potential for 4-6 consecutive days of MaxT 90F+ across much/all of central PA. The prolonged nature of this heat wave may have cumulative adverse effects on vulnerable populations exposed to heat, with heat related illnesses possible if proper precautions are not taken. Outdoor workers and individuals with preexisting health conditions will be among those most at risk.

Tuesday through Thursday (and potentially Friday-Saturday) are progged to be the warmest days of the week, with most guidance showing a 595-600 dm 500 hPa ridge centered over the area.
Southerly flow will usher in higher dew points Tuesday that will allow for heat index values to reach 100-105 degrees over a large portion of the area. With the large high pressure system overhead, winds will be light and clouds will be few. Keep in mind that the sun angle will be at its max next week as we approach the summer solstice. The intense sun and lack of a breeze will exacerbate the impacts of heat. Beyond Thursday, uncertainty begins to develop regarding the shape of the ridge and the possibility of convection firing along the periphery of the high pressure system, but the potential for highs in excess of 90F continues through Saturday.

AVIATION /16Z SATURDAY THROUGH WEDNESDAY/
12z update... Any fog patches should burn off quickly by 13z, given a deep layer of dry air aloft and large-scale sinking motion. There is high confidence of VFR conditions (80-90%) for the remainder of the valid TAF period (through 12z Sunday).

One small fly in the ointment could be KBFD later tonight (after 04-06z), as patchy river valley fog over northern PA could impact this site. Given the very dry air mass, confidence in this scenario (10-20%) is low enough to keep out of the TAF at this time. We'll continue to monitor with later forecasts.

Surface winds should be light (mostly under 5 kt) through 13-15z, then pick up out of the NW to 8-10 kt, before diminishing again by/after 00z.

Outlook...

Sat-Wed...Predominantly VFR, with building heat next week.

CTP WATCHES/WARNINGS/ADVISORIES
None.




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
CHCM2 - 8573927 - Chesapeake City, MD 44 mi56 minN 7G14 78°F 79°F30.04
DELD1 - 8551762 - Delaware City, DE 49 mi56 minNNW 6G8.9 77°F 30.03


Wind History for Chesapeake City, MD
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KLNS LANCASTER,PA 6 sm32 minNNW 1310 smA Few Clouds79°F54°F42%30.07
KMQS CHESTER COUNTY G O CARLSON,PA 23 sm10 minNW 1010 smPartly Cloudy75°F54°F47%30.08
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Wind History graph: LNS
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Tide / Current for Port Deposit, Susquehanna River, Maryland
   
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Port Deposit
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Sat -- 12:57 AM EDT     0.93 feet Low Tide
Sat -- 01:44 AM EDT     Moonset
Sat -- 05:36 AM EDT     Sunrise
Sat -- 06:28 AM EDT     2.88 feet High Tide
Sat -- 01:56 PM EDT     1.49 feet Low Tide
Sat -- 02:26 PM EDT     Moonrise
Sat -- 06:07 PM EDT     2.43 feet High Tide
Sat -- 08:33 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Port Deposit, Susquehanna River, Maryland, Tide feet
12
am
1
1
am
0.9
2
am
1.1
3
am
1.5
4
am
2.1
5
am
2.6
6
am
2.8
7
am
2.9
8
am
2.7
9
am
2.5
10
am
2.2
11
am
1.9
12
pm
1.7
1
pm
1.5
2
pm
1.5
3
pm
1.6
4
pm
1.9
5
pm
2.3
6
pm
2.4
7
pm
2.4
8
pm
2.2
9
pm
1.9
10
pm
1.6
11
pm
1.2


Tide / Current for Havre de Grace, Susquehanna River, Maryland
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Havre de Grace
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Sat -- 01:44 AM EDT     Moonset
Sat -- 05:25 AM EDT     2.24 feet High Tide
Sat -- 05:36 AM EDT     Sunrise
Sat -- 11:54 AM EDT     0.79 feet Low Tide
Sat -- 02:26 PM EDT     Moonrise
Sat -- 05:35 PM EDT     1.97 feet High Tide
Sat -- 08:33 PM EDT     Sunset
Sat -- 11:49 PM EDT     0.56 feet Low 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
0.6
1
am
0.9
2
am
1.3
3
am
1.7
4
am
2
5
am
2.2
6
am
2.2
7
am
2
8
am
1.7
9
am
1.4
10
am
1.1
11
am
0.9
12
pm
0.8
1
pm
0.9
2
pm
1.1
3
pm
1.5
4
pm
1.8
5
pm
1.9
6
pm
2
7
pm
1.8
8
pm
1.5
9
pm
1.2
10
pm
0.8
11
pm
0.6


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




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