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Marine Weather and Tide Forecast for Lancaster, PA

June 16, 2025 12:06 PM EDT (16:06 UTC)
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Sunrise 5:34 AM   Sunset 8:37 PM
Moonrise 11:32 PM   Moonset 9:39 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
ANZ530 Chesapeake Bay North Of Pooles Island- 1033 Am Edt Mon Jun 16 2025

Rest of today - NE winds 5 to 10 kt. Waves 1 ft. Numerous showers.

Tonight - E winds 5 kt. Waves less than 1 ft. A chance of showers.

Tue - SE winds 5 kt. Waves less than 1 ft. A chance of showers.

Tue night - S winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms.

Wed - SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms.

Wed night - SW winds 5 kt. Waves less than 1 ft.

Thu - W winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms through the night.

Fri - NW winds 5 to 10 kt. Waves 1 ft.
winds and waves higher and visibilities lower in and near tstms.
ANZ500 1033 Am Edt Mon Jun 16 2025

Synopsis for the tidal potomac and md portion of the chesapeake bay -
a stalled frontal boundary will remain near or just south of the waters through today. The front will lift back to the north of the waters as a warm front Tuesday into Wednesday. A stronger cold front will cross the waters late in the week. Daily shower and Thunderstorm chances are expected to continue during this time. Small craft advisories may be needed Thursday into Friday.

7 Day Forecast for Marine Location Near Lancaster, PA
   
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Tide / Current for Port Deposit, Susquehanna River, Maryland
  
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Port Deposit
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Mon -- 12:04 AM EDT     Moonrise
Mon -- 02:54 AM EDT     2.40 feet High Tide
Mon -- 05:36 AM EDT     Sunrise
Mon -- 09:27 AM EDT     1.05 feet Low Tide
Mon -- 10:39 AM EDT     Moonset
Mon -- 02:57 PM EDT     3.35 feet High Tide
Mon -- 08:34 PM EDT     Sunset
Mon -- 11:03 PM EDT     0.83 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Port Deposit, Susquehanna River, Maryland does not exist in database. Press Edit above and select a valid nearby location.

Port Deposit, Susquehanna River, Maryland, Tide feet
12
am
1.3
1
am
1.8
2
am
2.2
3
am
2.4
4
am
2.3
5
am
2
6
am
1.7
7
am
1.4
8
am
1.2
9
am
1.1
10
am
1.1
11
am
1.4
12
pm
2
1
pm
2.6
2
pm
3.2
3
pm
3.4
4
pm
3.2
5
pm
2.9
6
pm
2.5
7
pm
2
8
pm
1.6
9
pm
1.2
10
pm
0.9
11
pm
0.8

Tide / Current for Havre de Grace, Susquehanna River, Maryland
  
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Havre de Grace
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Mon -- 12:04 AM EDT     Moonrise
Mon -- 02:08 AM EDT     2.01 feet High Tide
Mon -- 05:36 AM EDT     Sunrise
Mon -- 08:09 AM EDT     0.52 feet Low Tide
Mon -- 10:39 AM EDT     Moonset
Mon -- 01:58 PM EDT     2.68 feet High Tide
Mon -- 08:33 PM EDT     Sunset
Mon -- 09:06 PM EDT     0.26 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Havre de Grace, Susquehanna River, Maryland does not exist in database. Press Edit above and select a valid nearby location.

Havre de Grace, Susquehanna River, Maryland, Tide feet
12
am
1.5
1
am
1.9
2
am
2
3
am
1.9
4
am
1.7
5
am
1.4
6
am
1
7
am
0.7
8
am
0.5
9
am
0.6
10
am
1
11
am
1.6
12
pm
2.1
1
pm
2.5
2
pm
2.7
3
pm
2.5
4
pm
2.2
5
pm
1.7
6
pm
1.2
7
pm
0.8
8
pm
0.4
9
pm
0.3
10
pm
0.4
11
pm
0.7

Area Discussion for State College, PA
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FXUS61 KCTP 161523 AFDCTP

Area Forecast Discussion National Weather Service State College PA 1123 AM EDT Mon Jun 16 2025

SYNOPSIS
* Rain chances continue through Wednesday, with highest chances for locally heavy rainfall across the Western half of the state on Tuesday as a warm front drifts slowly northeast across the region.
* A warming trend emerges for Wednesday and Thursday, fueling some potential for severe thunderstorms on Thursday.
* A brief drop in temperatures for Friday, with temperatures increasing steadily into the weekend, with high temperatures on Sunday reaching into the mid-80s to lower 90s.

NEAR TERM /THROUGH TONIGHT/
Very little DTD change from Sunday's overcast skies and target area for convection being across far SW PA. A light easterly llvl flow will help to maintain thick/low-based cloud cover with daytime temperatures of 5 to 8 deg F below normal

Localized visibility drops will be possible across Schuylkill County (along the I-81 corridor where the greatest orographic lift will occur) and the south-central mountains through the mid morning hours.

Temperatures to start the day will be quite uniform, ranging from the mid 50s to around 60F.

SHORT TERM /TUESDAY/
Stationary front will begin to lift north as a warm front tonight and Tuesday, which will act to expand the threat for Flash Flooding from heavy rain/repeat showers and thunderstorm over the SW Half of the CWA What's been a very low probability for CAPE to exceed 500 J/KG Sunday and again today, will ramp up significantly Tuesday across the Western Mtns and possibly even a little east of the I-90 corriodr.I

In addition, an increasing and veering wind field aloft Tuesday afternoon and evening will lead to 0-1 KM EHI values increasing to several small areas of 1.5-2 M2/S2. Wouldn't be surprised to see either a MRGL or SLGT introduced by SPC for DY2 (limited to the Western half of PA) where the warm front will help to focus CI and enhance the depth of Updrafts.

High temperatures today will bounce back to just several deg F below normal.

PWAT values begin to increase Tuesday morning into Wednesday with best forcing overhead as a surface boundary warm front moves into South Central Pennsylvania and the Pocono Mtns.

Relatively warmer air will work into the western half of the forecast area, allowing for slightly more instability in place on Tuesday to allow for thunderstorm mentions across the western highlands, with some clearing on Wednesday allowing for enhanced destabilization. From a hydrology perspective, rainfall is expected to be efficient across western Pennsylvania (where PWAT values approach 1.75") which will bring into account flooding concerns, outlined by WPC's D3 MGRL ERO across the western half of the area, with the SLGT risk clipping Somerset/Elk counties. Severe threat on Wednesday remains fairly minimal, with the best shear in place across northern Pennsylvania where cloud cover will likely limit destablization.

LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/
Influence of the upper-level trough continues into the long-term period before gradually drifting eastward by Friday. Period of most interest in the long-term will be Thursday, especially in the afternoon/evening hours with some severe potential in the cards across much of central Pennsylvania. Low pressure stationed across southern Canada with warm front stretched into the northern Atlantic and a cold front stationed across the Ohio Valley will allow for some residence time in the warm sector ahead of an afternoon approach by a surface cold front.
Ample moisture will remain in place, with dew points in the upper 60s to lower 70s across the eastern half of the forecast area. This threat is also noted in the Storm Prediction Center D5 Severe Outlook, with a 15% contour. Do want to highlight that some uncertainty does remain with regards to frontal passage time; however, model guidance is continuing to indicate that ingredients will be in place for some severe potential across central Pennsylvania on Thursday.

Cold frontal passage brings in relatively dry conditions for Friday with upper-level heights beginning to increase. Diurnal showers and thunderstorms will remain in the cards for the weekend, as temperatures trend well-above seasonal averages with relatively humid conditions. Sunday will remain the hottest day of the long-term with forecast high temperatures reaching into the mid-to-upper 80s across the northern tier to the lower 90s across the south-central mountains, with heat index values pushing close to the century mark late Sunday PM. HeatRisk values on Sunday outline the warm temperatures/heat index values, with widespread moderate (level 2/4) risk conditions with areas of the south-central mountains and western highlands reaching into the major (level 3/4) risk for heat-related impacts.

AVIATION /15Z MONDAY THROUGH FRIDAY/
High confidence in low-end MVFR to LIFR cigs persisting into Tuesday morning across Central PA, thanks to a moist low-level east/southeasterly flow off the Atlantic Ocean.

Patchy light rain and drizzle is possible as well, with cigs hovering near or below alternate minimums.

Outlook...

Tue.. MVFR/IFR with AM low clouds/fog; showers and afternoon thunderstorms are possible.

Wed...VFR/MVFR with showers and thunderstorms possible.

Thu...Predominantly VFR, with strong PM t-storms possible and a cold frontal passage.

Fri...VFR with a slight chance of rain showers.

CLIMATE
Astronomical Summer (solstice) officially arrives on Friday, June 20, at 10:42 p.m.

CTP WATCHES/WARNINGS/ADVISORIES
None.


Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
CHCM2 - 8573927 - Chesapeake City, MD 44 mi49 minE 8G9.9 73°F30.11
DELD1 - 8551762 - Delaware City, DE 49 mi49 minE 4.1G7 30.11


Wind History for Chesapeake City, MD
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Airport Reports
   
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KLNS LANCASTER,PA 6 sm6 minENE 073 smOvercast Lt Rain Mist 63°F61°F94%30.12
KMQS CHESTER COUNTY G O CARLSON,PA 23 sm11 minE 071/2 smOvercast Mist 61°F61°F100%30.13

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





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