Monday, August26, 2019 L-36.com


Marine Weather and Tides
Wrightsville, PA

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:27AMSunset 7:49PM Monday August 26, 2019 4:57 AM EDT (08:57 UTC) Moonrise 12:51AMMoonset 4:08PM Illumination 18% Phase: Waning Crescent; Moon at 25 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- 435 Am Edt Mon Aug 26 2019
.small craft advisory in effect until 6 am edt early this morning...
Rest of the overnight..NE winds 10 kt with gusts to 20 kt. Waves 1 ft.
Today..NE winds 5 to 10 kt. Waves 1 ft.
Tonight..E winds 5 to 10 kt. Waves 1 ft.
Tue..E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
Tue night..SE winds 5 kt. Waves less than 1 ft. A chance of showers.
Wed..SE winds 5 kt. Waves flat. Showers likely with a chance of tstms.
Wed night..NW winds around 5 kt. Waves flat. A chance of showers.
Thu..NW winds around 5 kt. Waves 1 ft or less. A chance of showers in the morning.
Fri..SW winds 5 kt. Waves less than 1 ft. Winds and waves higher and visibilities lower in and near tstms.
ANZ500 435 Am Edt Mon Aug 26 2019
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure will remain parked across new england through Tuesday while low pressure spins off the southeast coast. Both of these systems will depart to the east during the middle of the week as a cold front approaches from the ohio valley. The front is expected to cross the area by Thursday. Small craft advisories may need to be extended through Monday night.


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 260846
afdctp
area forecast discussion
national weather service state college pa
446 am edt Mon aug 26 2019

Synopsis
High pressure will gradually loosen its grip on the region as a
weakening front approaches from the west. The cold front will
move through the region Wednesday followed by drier weather for
the end of the week.

Near term through tonight
Another cool night with valley fog, the last of several in a
recent string.

Satellite shows patchy low clouds creeping up the east slopes
of the appalachians into my swrn zones, as well fog filling the
valleys of much of central and northern pa. These should lift
and burn off early, leaving another partly to mostly sunny day,
though clouds will tend to increase once again this afternoon
in the strengthening southerly flow.

Highs in the 70s today will average about 3-6 deg cooler than
late august norms.

Clouds and humidity will gradually increase overnight with the
chance of some light rain or drizzle developing as higher pwat
air advects eastward. QPF will be negligible however with the
gefs SREF and HPC all showing perhaps a tenth of an inch or less
overnight.

Short term Tuesday
Tuesday looks like a mainly cloudy day with a few showers
scattered about. Despite the approaching frontal system, the
upper trough is forecast to be shearing out, with weakly rising
heights aloft for much of the day. This usually doesn't bode
well for widespread significant rain. In fact the normally wet
gfs and the NAM show a mostly dry afternoon while the
ecmwf canadian do have at least some spotty light showers. I
used blended MOS pops which show a small chance of showers,
mainly in the morning.

Highs will again be on the cool side, not much different than
today.

Long term Tuesday night through Sunday
Models are in decent accord in bringing a cold front through the
cwa Wednesday as a weakening feature. The system is made to
degenerate as it moves east and encounters unfavorable low level
shear associated with a sprawling offshore low. Showers will
still be widespread with mainly daytime chances for scattered
showers and thunderstorms, but overall QPF should be on the
order of .25" - .50" on average.

Dry weather will return for Thursday. Northern areas are made to
flirt with some light showers or sprinkles with another weak
cold front Friday. The parent upper trough is progged to be very
flat and not terribly moist so I generally went lower than the
superblend pops to show a small chance of rain for northern
areas.

Another fast moving low amplitude mid level shortwave could
bring showers for Saturday night and Sunday, but it's another
low confidence forecast being so far out and given the model
differences.

Aviation 08z Monday through Friday
For the 06z tafs, not a lot of change from the earlier package.

Left mention of some low clds and fog in the fcst. Still a
decent amt of wind just above the ground and the dewpoints are
still low. Thus the fog may be limited.

Today will be another dry day. There could be a gusty wind
toward sunset at ipt, given southeast flow and the mountain
nearby. Covered this with a extra group.

Some lower clouds possible by sunrise on Tuesday, will be
looking at this more. For the most part, not much expected in
the way of lower clds before 06z tue.

Outlook
Tue... Am low CIGS possible central and eastern airspace. Spotty
light rain possible.

Wed... Am low CIGS possible. Sct pm showers t-storms.

Thu-fri... No sig wx expected.

Ctp watches warnings advisories
None.

Synopsis... La corte
near term... La corte
short term... La corte
long term... La corte
aviation... Martin


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHCM2 - 8573927 - Chesapeake City, MD 51 mi58 min N 2.9 G 4.1 62°F 80°F1022.2 hPa (-0.4)
BLTM2 - 8574680 - Baltimore, MD 52 mi58 min ENE 8 G 12 65°F 80°F1021.4 hPa (-0.7)
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 55 mi58 min NE 9.9 G 11 65°F 1021.6 hPa (-0.8)

Wind History for Chesapeake City, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lancaster, Lancaster Airport, PA14 mi2.1 hrsN 010.00 miFair60°F55°F84%1022.6 hPa
York, York Airport, PA19 mi2.1 hrsN 010.00 miFair54°F53°F97%1023.1 hPa

Link to 5 minute data for KLNS

Wind History from LNS (wind in knots)
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Last 24hrCalmE4E3E3NE9NE13NE9E9E12
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1 day agoN7N9CalmN6NE7NE9NE7E85CalmN10NE7E4E4NE4N4N6CalmE5NE4E3E3NE4NE4
2 days agoNE5NE4NE4NE5NE3N6E9NE4CalmCalmW5NW4NW6N5N7N4N6N4N5N6N7N7NE8N7

Tide / Current Tables for Port Deposit, Susquehanna River, Maryland
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Port Deposit
Click for Map
Mon -- 01:19 AM EDT     0.77 feet Low Tide
Mon -- 01:50 AM EDT     Moonrise
Mon -- 06:26 AM EDT     Sunrise
Mon -- 07:27 AM EDT     3.75 feet High Tide
Mon -- 04:01 PM EDT     1.33 feet Low Tide
Mon -- 05:04 PM EDT     Moonset
Mon -- 07:35 PM EDT     2.28 feet High Tide
Mon -- 07:45 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.80.81.21.92.63.33.73.73.53.22.82.421.71.41.31.51.92.22.32.11.81.5

Tide / Current Tables for Havre de Grace, Susquehanna River, Maryland (2)
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Havre de Grace
Click for Map
Mon -- 01:51 AM EDT     Moonrise
Mon -- 06:26 AM EDT     Sunrise
Mon -- 06:34 AM EDT     3.14 feet High Tide
Mon -- 02:33 PM EDT     1.10 feet Low Tide
Mon -- 05:04 PM EDT     Moonset
Mon -- 06:42 PM EDT     1.91 feet High Tide
Mon -- 07:44 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.81.11.72.32.83.13.12.92.72.31.91.61.31.11.11.31.61.91.91.81.51.20.9

Weather Map and Satellite Images
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wmap_A
GOES Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Wind Forecast for State College, PA (4,6,7,8)
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Ground Weather Radar Station Dover AFB, DE
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.