Wednesday, April25, 2018

Marine Weather and Tides
Norwood, PA

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.

Sunrise 6:06AMSunset 7:51PM Wednesday April 25, 2018 10:21 AM EDT (14:21 UTC) Moonrise 2:17PMMoonset 3:01AM Illumination 78% Phase: Waxing Gibbous; Moon at 10 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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ANZ430 Delaware Bay Waters North Of East Point Nj To Slaughter Beach De- 941 Am Edt Wed Apr 25 2018
Rest of today..E winds 5 to 10 kt. Waves 3 to 4 ft late this morning, then 2 ft or less. Patchy fog late morning. A chance of showers. Isolated tstms this afternoon. Vsby 1 to 3 nm.
Tonight..E winds around 5 kt, becoming nw with gusts up to 20 kt in the late evening and overnight. Waves 2 ft or less. Patchy fog in the evening. A chance of showers in the evening with vsby 1 to 3 nm.
Thu..NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt late. Waves 2 ft or less.
Thu night..S winds around 5 kt. Waves 2 ft or less.
Fri..SE winds 5 to 10 kt, becoming S in the afternoon. Waves 2 ft or less. Showers likely.
Fri night..W winds 5 to 10 kt. Waves 2 ft or less. A chance of showers in the evening.
Sat..W winds around 5 kt. Waves 2 ft or less.
Sat night..NW winds 5 to 10 kt. Waves 2 ft or less.
Sun..NW winds 10 to 15 kt. Waves around 3 ft.
Sun night..NW winds 10 to 15 kt. Waves around 3 ft in the evening, then 2 ft or less. Winds and waves higher in and near tstms.
ANZ400 941 Am Edt Wed Apr 25 2018
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. Low pressure will move across our area today then into new england tonight and Thursday. The next low pressure system moves across the east coast during Friday, then a cold front moves through on Saturday. High pressure builds into our region Monday before gradually shifting just off the mid-atlantic coast Tuesday.

7 Day Forecast for Marine Location Near Norwood , PA
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location: 39.88, -75.29     debug

Area Discussion for - Philadelphia/Mount Holly, PA
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Fxus61 kphi 251349
area forecast discussion
national weather service mount holly nj
949 am edt Wed apr 25 2018

Low pressure will move across our area today then into new england
tonight and Thursday. The next low pressure system moves across the
east coast during Friday, then a cold front moves through on
Saturday. High pressure builds into our region Monday before
gradually shifting just off the mid-atlantic coast Tuesday.

Near term until 6 pm this evening
Low pressure is now centered near the virginia north carolina
border, and continues to lift to the north and east. It should
be over DELMARVA by early afternoon, and will continue its
northern track towards nyc by this evening. Meanwhile, an upper
trough over the great lakes tracks east through the day and
moves into western ny pa by this evening as well.

Dry slot appears to be moving into the DELMARVA peninsula and
into southwest nj and the delaware valley. The dry slot then
continues to lift north through the region during the
afternoon, but it is during this time that the upper trough
begins to dig into the northeast u.S. This results in scattered
showers for the afternoon and early evening. There may be enough
elevated instability for some isolated thunderstorms, mainly
across southeast nj and into the delmarva. Will go ahead and add
isolated thunderstorms for those areas, but not expecting much

The rain and clouds will keep northern portions of the forecast
area relatively colder than the rest of the region, and highs
will top off in the 50s to low 60s north and west of the fall
line. For southern nj, southeast pa, and the delmarva, there
should be a break in the precip and possibly a break in the
clouds that result in warmer temps, and highs will get into the
mid and upper 60s.

Short term 6 pm this evening through 6 am Thursday
Upper trough passes north of the region tonight, and several strong
shortwaves will lift through the mid-atlantic and northeast. This
will keep some showers in the region, with the best chances in
northern nj and the southern poconos. Showers taper off after
midnight as this system departs. Winds shift to the northwest, and
conditions will dry out towards daybreak Thursday.

Lows range from the 40s to low 50s.

Long term Thursday through Tuesday
Summary... Some showers at times into the weekend, then a significant
warm-up probable starting early next week.

Synoptic overview... An upper-level trough from the plains to the
east coast initially has several strong short wave troughs embedded
within, however with time this consolidates into one main trough in
the east. This is forecast to take place through the weekend, then
strong energy rolling through the western u.S. Allows for a ridge to
build in the plains during the weekend which then shifts eastward
early next week. Due to the initial multiple short wave troughs
within the larger trough, timing can be less certain as well as the
strength of the surface features which impacts the details. The
overall pattern favors milder air overall (Sunday the coolest day),
then as we transition to an incoming ridge early next week
the development of significant warmth is probable.

For Thursday... A strong short wave trough lifts up across the
northeast with northwesterly flow in its wake across our area. The
main synoptic ascent is forecast to be to our northeast, therefore a
dry forecast is carried for during the daytime. There will be a
northwest breeze and with this downsloping especially into the
coastal plain results in mild temperatures. A period of dry air
advection should help to erode the clouds, however additional clouds
will be on the increase at night as a short wave trough rotating
around the main trough aloft approaches from the southwest. Some
showers with this may arrive into our southwestern areas late at

For Friday... As the main upper-level trough becomes more
consolidated, a short wave trough tracks up its east side and across
the mid-atlantic and northeast. This feature looks to open up and
start to shear out as it tracks northeastward, however plenty of
lift with it as it takes on some initial negative tilt should
produce showers especially through early afternoon. A weak surface
low may accompany it and this may help maintain some showers into
early Friday evening. It is not out of the question that enough
instability develops Friday afternoon for some thunder, however
opted to leave it out for now. Widespread low clouds accompanying
the showers may limit the overall heating potential, therefore
leaned toward the cooler guidance for high temperatures. There
should be some improving conditions at night.

For Saturday and Sunday... The upper-level trough sharpens some
across the northeast and northern mid-atlantic region Saturday as a
ridge shifts eastward from the plains. There may be enough
instability Saturday (especially the afternoon) with strong short
wave energy glancing the area and a cold front moving through to
produce some showers, especially across the northern half of the
area. Despite the incoming upper-level trough, mild air should hang
on during Saturday then cooling arrives at night and Sunday as the
trough axis crosses our area. Sunday is expected to be dry with a
northwest breeze as high pressure starts to build in from the west.

For Monday and Tuesday... As the pattern shifts to a trough out west,
a ridge shifts eastward and this drives surface high pressure over
the mid-atlantic region Monday then just offshore on Tuesday. The
presence of the building ridge will result in warm air advection and
therefore a probable significant warm-up starting during this time
frame. Given the presence of surface high pressure with a ridge
aloft, dry conditions are forecast.

Aviation 14z Wednesday through Sunday
The following discussion is for kphl, kpne, kttn, kabe, krdg,
kilg, kmiv, kacy and surrounding areas.

Today... Light to moderate rain across the terminals with ifr
conditions prevailing. Some local lifr conditions possible as
well. Rain tapers off from south to north by early afternoon,
and then additional showers are possible this afternoon.

Generally ifr cigs, lifting to MVFR late this afternoon. Cannot
rule out a thunderstorm this afternoon, mainly at kacy. East
winds 10-15 kt, becoming lgt vrb late this afternoon.

Tonight... Scattered showers through midnight or so. Ifr CIGS lift to
vfr after midnight. Lgt vrb winds in the evening become NW 10 kt or
less by daybreak Thursday.


Thursday...VFR during the day, then MVFR (locally ifr) ceilings may
develop as showers arrive by late night. West-northwest winds 10-15
knots, then diminishing in the evening. Low confidence with onset of
sub-vfr conditions.

Friday... MVFR (locally ifr) with showers, then conditions should
improve toVFR especially at night.

Saturday... MostlyVFR, with a few daytime showers possible.

Sunday...VFR. Northwest winds may gust up to 25 knots, then diminish
toward late day and in the evening.

Extended the small craft advisory on the lower delaware bay as
winds continue to gust at brandywine this morning. Gusts will
diminish through the next several hours. The SCA is up through
1 pm.

For the ocean, wind gusts of 25-30 kt through this afternoon,
but seas remain elevated through tonight.

We have also issued a dense fog advisory for the southern
waters, CAPE may down through the delaware coast, as areas of
dense fog have developed right along the coast. The advisory is
in effect through 1 pm.

Otherwise, rain through late morning, then scattered showers
this afternoon. A few thunderstorms are possible on the waters
late this afternoon and early this evening.


Thursday... Small craft advisory for the atlantic coastal waters due
to elevated seas. The seas however should subside some at night.

Friday and Saturday... A small craft advisory may be needed for a
time for the atlantic coastal waters. The winds should be below
advisory criteria, however southeasterly flow ahead of a system may
be enough to build the seas to around 5 feet.

Sunday... The conditions are anticipated to be below small craft
advisory criteria, although wind gusts to around 20 knots may
occur nearshore during the day.

Phi watches warnings advisories
Pa... None.

Nj... None.

De... None.

Md... None.

Marine... Small craft advisory until 6 pm edt Thursday for anz450>455.

Dense fog advisory until 1 pm edt this afternoon for

Small craft advisory until 1 pm edt this afternoon for anz431.

Synopsis... Gorse
near term... Meola mps
short term... Mps
long term... Gorse
aviation... Gorse meola mps
marine... Gorse meola mps

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MRCP1 - 8540433 - Marcus Hook, PA 8 mi51 min 57°F 53°F1008.8 hPa
PHBP1 - 8545240 - Philadelphia, PA 9 mi51 min 58°F 50°F1009.1 hPa
BDSP1 13 mi51 min 58°F 53°F1009.4 hPa
DELD1 - 8551762 - Delaware City, DE 26 mi51 min ENE 7 G 8.9 58°F 51°F1008.6 hPa
BDRN4 - 8539094 - Burlington, Delaware River, NJ 26 mi51 min E 5.1 G 6 57°F 52°F1009.6 hPa
RDYD1 - 8551910 - Reedy Point, DE 27 mi51 min 57°F 53°F1008.1 hPa
NBLP1 - 8548989 - Newbold, PA 34 mi51 min SE 4.1 G 8.9 57°F 53°F1010.4 hPa
CHCM2 - 8573927 - Chesapeake City, MD 37 mi51 min NNE 5.1 G 6 58°F 55°F1008.9 hPa

Wind History for Philadelphia, PA
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1 day
2 days

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Philadelphia, Philadelphia International Airport, PA2 mi27 minENE 86.00 miFog/Mist58°F57°F97%1008.9 hPa
Philadelphia - Wings Field Airport, PA18 mi46 minENE 51.00 miOvercast54°F53°F100%1010.2 hPa
Philadelphia, Northeast Philadelphia Airport, PA20 mi27 minE 79.00 miOvercast61°F57°F90%1009.9 hPa
Wilmington, New Castle County Airport, DE21 mi30 minNE 61.25 miFog/Mist59°F59°F100%1008.6 hPa
Mount Holly, South Jersey Regional Airport, NJ24 mi27 minE 59.00 miOvercast58°F57°F100%1009.3 hPa

Wind History from PHL (wind in knots)
Last 24hrSE14
1 day ago3E6SE4E4S6W12
2 days agoE8SE5S6SE6S7S4SW9SW6SW8SW7S8S6S5S4SW3W5SW4CalmCalmSW4CalmCalmCalmE7

Tide / Current Tables for Norwood City, Darby Creek, Pennsylvania
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Norwood City
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Wed -- 04:01 AM EDT     Moonset
Wed -- 04:19 AM EDT     0.62 feet Low Tide
Wed -- 06:09 AM EDT     Sunrise
Wed -- 09:52 AM EDT     6.60 feet High Tide
Wed -- 03:17 PM EDT     Moonrise
Wed -- 04:58 PM EDT     0.33 feet Low Tide
Wed -- 07:49 PM EDT     Sunset
Wed -- 10:28 PM EDT     6.55 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Tide / Current Tables for Philadelphia, Pennsylvania Current
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Wed -- 01:39 AM EDT     -2.11 knots Max Ebb
Wed -- 04:00 AM EDT     Moonset
Wed -- 05:35 AM EDT     0.00 knots Slack
Wed -- 06:08 AM EDT     Sunrise
Wed -- 07:34 AM EDT     1.85 knots Max Flood
Wed -- 10:56 AM EDT     -0.00 knots Slack
Wed -- 02:13 PM EDT     -2.02 knots Max Ebb
Wed -- 03:16 PM EDT     Moonrise
Wed -- 06:17 PM EDT     0.01 knots Slack
Wed -- 07:49 PM EDT     Sunset
Wed -- 09:12 PM EDT     1.78 knots Max Flood
Wed -- 11:31 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Weather Map and Satellite Images
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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 Philadelphia/Mount Holly, PA (10,2,3,4)
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Ground Weather Radar Station Philadelphia, PA
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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 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 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.