Monday, September20, 2021
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Marine Weather and Tides
Wrightsville, PA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:51AMSunset 7:08PM Monday September 20, 2021 12:35 AM EDT (04:35 UTC) Moonrise 6:23PMMoonset 5:14AM Illumination 98% Phase: Waxing Gibbous; Moon at 13 days in cycle
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- 1036 Pm Edt Sun Sep 19 2021
.small craft advisory in effect from Monday afternoon through Monday evening...
Rest of tonight..E winds 10 kt. Waves 1 ft.
Mon..E winds 10 to 15 kt. Gusts up to 20 kt in the late morning and afternoon. Waves 1 ft.
Mon night..E winds 10 to 15 kt. Gusts up to 20 kt until early morning. Waves 1 ft.
Tue..E winds 5 to 10 kt. Waves 1 ft.
Tue night..SE winds 5 to 10 kt. Waves 1 ft.
Wed..SE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers likely.
Wed night..SE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers likely.
Thu..SW winds 5 to 10 kt...becoming nw after midnight. Waves 1 ft. Showers likely. A chance of tstms. A chance of showers after midnight.
Fri..NW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers in the morning. Winds and waves higher and visibilities lower in and near tstms.
ANZ500 1036 Pm Edt Sun Sep 19 2021
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure will remain overhead, before moving offshore Monday and Tuesday. A strong cold front will push through the region mid- week, bringing the chance for small craft advisory conditions on Wednesday and Thursday. High pressure returns toward the end of the work week.


7 Day Forecast for Marine Location Near Wrightsville , PA
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location: 40.02, -76.53     debug


Area Discussion for - State College, PA
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FXUS61 KCTP 200334 AFDCTP

Area Forecast Discussion National Weather Service State College PA 1134 PM EDT Sun Sep 19 2021

SYNOPSIS. High pressure at the surface and aloft over the Northeast U.S. will supply clear skies through tonight, with low humidity and dry weather continuing through Monday.

Clouds will increase on Tuesday, and by the middle of the upcoming week, a strong cold front and sharpening trough aloft will bring a widespread soaking rain to Pennsylvania. Following the frontal passage towards the end of the week, temperatures will be noticeably cooler for the first few days of fall.

NEAR TERM /UNTIL 6 AM MONDAY MORNING/. Surface high and associated dry air mass will ensure fair and cool conditions tonight. Mostly clear skies and a calm wind should result in patchy late night fog. The fog could be locally dense in the deep valleys north of I-80, where air/water temp diffs greater than 20F are anticipated.

Below normal pwats of only around 0.5 of an inch will support efficient radiational cooling with lows ranging from the upper 40s in the cooler valleys of northern Pa to the mid 50s across the southern counties.

SHORT TERM /6 AM MONDAY MORNING THROUGH MONDAY NIGHT/. Sfc wind will veer around from NE to SE overnight and Monday morning, followed by some moderate gusts in the mid teens as vertical mixing deepens to nearly 4 kft AGL and the llvl pressure gradient tightens. Aside from some flat, fair weather and low-cal pancake cu and some wisps of cirrus aloft, it'll be a splendid late summer day to being the new week, with excellent vsby, low humidity and comfortable high temps in the 70s.

LONG TERM /TUESDAY THROUGH SUNDAY/. By Tuesday, the trough will begin to deepen over the midwest which will be the primary weather producer for the middle and end of the week. There remains significant model spread with the evolution of this feature. Some ensemble members cut off an upper low over the midwest, delaying the arrival of significant rain in central Pa until Thursday PM, while others are more progressive with upper trough, leading to the bulk of the rain falling Wednesday PM. In either case, strong upper level forcing, combined with a deep plume of tropical air and marginal instability suggest locally heavy downpours are possible. The ensemble situational awareness tables clearly target areas northwest of Pa for the heaviest rainfall. However, latest GEFS and ECENS plumes indicate locally heavy rain is also possible across central Pa in the Wed PM to Thu PM timeframe. Given wet ground, will have to monitor the potential of flooding.

Cool and mostly dry conditions appear very likely Friday into next weekend, as cold(occluded) shifts east of the state and upper level trough axis pivots through. There is decent consensus on a secondary cold front passage next Saturday, but lack of deep moisture suggest any showers should be relatively light.

AVIATION /04Z MONDAY THROUGH FRIDAY/. Current forecast in good shape as of 1130 PM.

Earlier discussion below.

For the 00Z TAF package, went close to the earlier fcst. I did hit the fog and lower CIGS a bit harder in a few spots. Concern is warming aloft will limit mixing, along with how wet is has been lately, that fog will likely form later on.

For Monday and Tuesday, should be mainly VRF conditions, after any moring fog and low CIGS burn off. Any fog and low CIGS early Tuesday morning should be more limited anyway, given a return flow from the southwest, on the back side of the high pressure system.

Wet and stormy weather could set in by Wednesday morning and last into Thursday Night, as the cold front stalls across or just east of the area.

Outlook .

Tues..SHRA/TSRA possible W, mainly late in the day.

Wed-Thurs night . Periods of SHRA/TSRA likely. CFROPA.

Friday . Partly Sunny and breezy with MVFR Cigs possible mainly northern and western mtns in wrap-around cooler air with a tap of moisture off the Great Lakes.

CLIMATE. Fall Equinox 2021 will be at 3:20 PM (1920 UTC) on Wednesday, September 22.

CTP WATCHES/WARNINGS/ADVISORIES. None.

SYNOPSIS . Lambert NEAR TERM . Fitzgerald SHORT TERM . Lambert/Fitzgerald LONG TERM . Fitzgerald/Gutierrez AVIATION . Martin CLIMATE . Steinbugl


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHCM2 - 8573927 - Chesapeake City, MD 51 mi47 min SW 1 G 1.9 62°F 77°F1024 hPa
BLTM2 - 8574680 - Baltimore, MD 52 mi47 min S 5.1 G 8.9 72°F 79°F1023 hPa
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 55 mi47 min SSE 11 G 14 71°F 1023.1 hPa

Wind History for Chesapeake City, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lancaster, Lancaster Airport, PA14 mi42 minN 010.00 miFair61°F54°F78%1023.8 hPa
Harrisburg, Harrisburg International Airport, PA18 mi39 minNE 310.00 miFair62°F56°F80%1023.6 hPa
York, York Airport, PA19 mi42 minN 010.00 miFair56°F53°F90%1023.9 hPa
Harrisburg, Capital City Airport, PA22 mi39 minWSW 310.00 miFair60°F56°F86%1023.9 hPa

Link to 5 minute data for KLNS

Wind History from LNS (wind in knots)
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Last 24hrN7N8NE8N5NW4N3N4CalmN8N12
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1 day agoCalmCalmCalmCalmCalmW3CalmCalmCalmW43NW5CalmCalmNW6N6N7NW6NW5NW4W4CalmCalmCalm
2 days agoNE7E6E6E6E4CalmNE5E3NE6E9E9E7E7E6NE7E7E9E8E5CalmE3CalmCalmCalm

Tide / Current Tables for Port Deposit, Susquehanna River, Maryland
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Port Deposit
Click for Map
Mon -- 05:42 AM EDT     0.78 feet Low Tide
Mon -- 06:12 AM EDT     Moonset
Mon -- 06:50 AM EDT     Sunrise
Mon -- 11:03 AM EDT     3.46 feet High Tide
Mon -- 06:40 PM EDT     0.97 feet Low Tide
Mon -- 07:04 PM EDT     Sunset
Mon -- 07:21 PM EDT     Moonrise
Mon -- 07:54 PM EDT     Full Moon
Mon -- 11:15 PM EDT     3.04 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.62.31.81.41.10.80.81.11.82.63.23.53.43.12.72.21.71.3111.422.73

Tide / Current Tables for Havre de Grace, Susquehanna River, Maryland (2)
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Havre de Grace
Click for Map
Mon -- 04:14 AM EDT     0.64 feet Low Tide
Mon -- 06:12 AM EDT     Moonset
Mon -- 06:50 AM EDT     Sunrise
Mon -- 10:10 AM EDT     2.90 feet High Tide
Mon -- 05:12 PM EDT     0.80 feet Low Tide
Mon -- 07:04 PM EDT     Sunset
Mon -- 07:21 PM EDT     Moonrise
Mon -- 07:54 PM EDT     Full Moon
Mon -- 10:22 PM EDT     2.55 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.91.51.10.80.70.71.11.62.22.72.92.82.62.21.71.310.80.91.31.82.32.52.5

Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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