Tuesday, May26, 2020
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Marine Weather and Tides
Eddystone, PA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 5:36AMSunset 8:20PM Tuesday May 26, 2020 4:16 PM EDT (20:16 UTC) Moonrise 7:46AMMoonset 11:08PM Illumination 22% Phase: Waxing Crescent; Moon at 5 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- 404 Pm Edt Tue May 26 2020
.dense fog advisory in effect until 11 am edt Wednesday...
Tonight..SE winds 5 to 10 kt. Waves 2 ft or less. Widespread dense fog. Areas of heavy drizzle after midnight. Vsby 1 nm or less.
Wed..SE winds 5 to 10 kt. Waves 2 ft or less. Areas of heavy drizzle in the morning. Widespread dense fog in the morning with vsby 1 nm or less.
Wed night..SE winds around 10 kt. Waves 2 ft or less. A chance of showers in the late evening and overnight. Patchy fog after midnight with vsby 1 to 3 nm.
Thu..SE winds 10 to 15 kt with gusts up to 20 kt. Waves around 3 ft. Patchy fog early in the morning. Showers likely until late afternoon. A chance of tstms in the afternoon. Vsby 1 to 3 nm early in the morning.
Thu night..S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves around 3 ft in the evening, then 2 ft or less. A chance of tstms.
Fri..S winds 10 to 15 kt with gusts up to 20 kt. Waves around 3 ft. A chance of showers in the morning, then a chance of tstms in the afternoon.
Fri night..SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves around 3 ft. Showers likely with a chance of tstms.
Sat..W winds 5 to 10 kt. Waves 2 ft or less. Showers likely with a chance of tstms in the morning, then a chance of tstms in the afternoon.
Sat night..NW winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Waves 2 ft or less. A chance of tstms in the evening.
Sun..N winds 10 to 15 kt with gusts up to 20 kt, becoming nw 5 to 10 kt in the afternoon. Waves 2 ft or less.
Sun night..N winds 5 to 10 kt. Waves 2 ft or less. Winds and waves higher in and near tstms.
ANZ400 404 Pm Edt Tue May 26 2020
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. High pressure becomes more and more anchored in the western atlantic through the remainder of this week. Meanwhile, a weak system near the east coast of florida will track northward into the mid-atlantic region on Thursday. Low pressure in southern canada Wednesday night will track into the canadian maritimes by Friday, with an associated cold front slowly moving through our region Friday night and Saturday. Strong high pressure will build into the east coast Sunday through early next week.


7 Day Forecast for Marine Location Near Eddystone , PA
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location: 39.86, -75.31     debug


Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 261931 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 331 PM EDT Tue May 26 2020

SYNOPSIS. High pressure becomes more and more anchored in the western Atlantic through the remainder of this week. Meanwhile, a weak system near the east coast of Florida will track northward into the Mid-Atlantic region on Thursday. Low pressure in southern Canada Wednesday night will track into the Canadian Maritimes by Friday, with an associated cold front slowly moving through our region Friday night and Saturday. Strong high pressure will build into the East Coast Sunday through early next week.

NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/. With high pressure setting up offshore, and light southerly flow continuing across the region, can expect another round of low clouds and fog will develop later tonight. Increasing moisture will become trapped under an inversion once again, leading to the development of widespread dense fog for most of New Jersey, portions of southeast Pennsylvania, and Delmarva.

For the Lehigh Valley, southern Poconos, and northern New Jersey, not expecting dense fog, but areas of fog are likely to develop.

Will hoist a Dense Fog Advisory starting at midnight tonight.

Lows tonight in the upper 50s and low 60s.

SHORT TERM /6 AM WEDNESDAY MORNING THROUGH 6 PM WEDNESDAY/. The Dense Fog Advisory is in effect until 10 am. Fog and drizzle will continue through the morning, eventually lifting late in the morning. There may be some breaks of sun around midday.

Some shortwave energy spinning off of a weak area of low pressure over the Southeast U.S. will lift into the Mid-Atlantic and Delmarva in the afternoon. Some showers are possible there late in the day, but will cap PoPs at slight chance.

Mild for most of the region with highs in the upper 70s to around 80, but cooler once again at the shores.

LONG TERM /WEDNESDAY NIGHT THROUGH TUESDAY/. Summary . Warm and humid with showers and thunderstorms on the increase, then drying out and turning cooler/less humid during the weekend and early next.

Synoptic Overview . A strong ridge along the East Coast will shift eastward and weaken some through late this week. Meanwhile, a closed low traversing the southern Plains is forecast to open up and be absorbed by a northern stream upper-level trough. This trough then continues eastward and arrives in the East late Friday and Saturday, then the entire trough becomes more amplified Sunday and early next week. At the surface, a weak system tracking northward around the western periphery of the ridge will move across our area Thursday. A cold front will cross our region Friday night and Saturday, then high pressure builds in for the second half of the weekend and early next week.

For Wednesday night and Thursday . A strong upper-level ridge is forecast to become more centered off the East Coast more in line with the surface high in the western Atlantic. A deeper southerly flow will transport increasing moisture northward on the western periphery of the ridge, and a weak low pressure system is forecast to shift northward into or near our area later Wednesday night and Thursday morning. The guidance is showing the potential for much of the shower activity with this feature sliding just to our west, however showers cannot be ruled out farther east and even all the way to our coast. The feature may end up dissipating as it gets absorbed into the southwesterly flow ahead of an advancing upper- level trough from the Midwest. Given the placement of the offshore ridge and surface high, there should be a lowered chance for showers/thunder along the coast. The arrival of a precipitable water plume/surge of nearly 2 inches from the south may accompany the shower development. The airmass will be warm and humid, therefore another round of stratus and some fog should occur later Wednesday night and Thursday morning. The amount of sunshine Thursday will determine how warm we get and how much instability can occur. There may be a decrease in the shower activity Thursday afternoon as the aforementioned weak system shifts to our north.

For Friday and Saturday . An amplifying upper-level trough across eastern Canada and the Great Lakes will shift eastward during this time frame. Surface low pressure will track well to our north across southeastern Canada, however the associated strong cold front will cross our area Friday night and Saturday. Ample moisture will surge northward ahead of the front with precipitable water values nearing 2 inches. At least some guidance hinting at a pre-frontal trough on Friday and modest instability could be in place. The shear may not be all that strong given the upper-level trough hanging back to the west quite a bit, however there is the potential for at least some storm organization within a warm and moist environment. Timing, instability and storm organization will determine any severe thunderstorm threat. There may be a decent amount of cloud cover around which would limit the overall instability, however a warm and humid airmass will be in place ahead of the cold front. In addition, a plume of near 2 inches of precipitable water would result in locally heavy rain especially with stronger convective cores. The cold front should be clearing our area from the northwest during the Saturday with gradual drying working its way in. The overall timing and details are less certain especially with the potential for a pre-frontal trough.

For Sunday through Tuesday . An upper-level trough amplifies across the East during Sunday and Monday with high pressure building in from the west. The combination of cold air advection and much drier air will result in a much cooler feel to the new airmass. As the upper-level trough shifts offshore Monday night into Tuesday, the surface high should build over or just to our south. A developing warm front however to our northwest across the Great Lakes is in response to increasing warm air advection within the return flow. The lift and associated showers with it should stay to our northwest.

AVIATION /20Z TUESDAY THROUGH SUNDAY/. The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.

Through this evening . VFR for most terminals, except some lingering MVFR CIGs at KACY/KMIV. SE winds less than 10 kt. Moderate confidence.

Tonight . Conditions deteriorate to LIFR/VLIFR with VSBYs as low as 1/4SM and CIGs as low as 200 ft. LGT/VRB to nearly calm winds. Moderate confidence.

Wednesday . LIFR conditions in the morning, eventually lifting to VFR in the afternoon. SE winds less than 10 kt. Moderate confidence.

Outlook . Wednesday night and Thursday . MVFR to IFR ceilings and visibilities possible later Wednesday night and Thursday morning due to stratus and fog, then a period of VFR should occur. Some showers and thunderstorms are possible especially during Thursday. South or southwest winds around 10 knots (lighter at night). Low confidence.

Friday and Saturday . Periods of sub-VFR conditions probable with showers and thunderstorms on the increase for a time. South to southwest winds 5-15 knots with potentially higher gusts Friday, then becoming more west and northwest Friday night and Saturday. Low confidence with the timing of the precipitation and any associated restrictions.

Sunday . VFR. Northwest winds 10-15 knots. Moderate confidence.

MARINE. Sub-SCA conditions tonight through Wednesday with SE winds less than 10 kt and seas 2-3 feet.

Dense fog with areas of drizzle will develop once again this evening and continue into Wednesday morning. A Dense Fog Advisory is in effect from 8 pm tonight to 10 am Wednesday for VSBYs less than 1/4SM.

Outlook . Wednesday night and Thursday . The winds and seas will be on the increase (southerly flow) and a Small Craft Advisory may be needed for the Atlantic coastal waters. However, a warm airmass will be moving over the cooler waters and this should reduce the overall mixing. Some fog may occur Wednesday night and Thursday morning.

Friday and Saturday . A Small Craft Advisory may be needed mainly for the Atlantic coastal waters, however the conditions look to be marginal. The conditions then improve during Saturday in the wake of a cold front. Some showers and thunderstorms are expected ahead of and along a cold front.

Sunday . The conditions are anticipated to be below Small Craft Advisory criteria.

Rip Currents . There is a low risk for the development of dangerous and life threatening rip currents this evening and Wednesday.

PHI WATCHES/WARNINGS/ADVISORIES. PA . Dense Fog Advisory from midnight tonight to 11 AM EDT Wednesday for PAZ070-071-101>106. NJ . Dense Fog Advisory from midnight tonight to 11 AM EDT Wednesday for NJZ009-010-012>027. DE . Dense Fog Advisory from midnight tonight to 11 AM EDT Wednesday for DEZ001>004. MD . Dense Fog Advisory from midnight tonight to 11 AM EDT Wednesday for MDZ008-012-015-019-020. MARINE . Dense Fog Advisory until 11 AM EDT Wednesday for ANZ430-431- 450>455.

Synopsis . Gorse Near Term . MPS Short Term . MPS Long Term . Gorse Aviation . Gorse/MPS Marine . Gorse/MPS


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MRCP1 - 8540433 - Marcus Hook, PA 7 mi46 min 75°F 64°F1021.5 hPa
PHBP1 - 8545240 - Philadelphia, PA 10 mi46 min 81°F 65°F1021.3 hPa
BDSP1 15 mi46 min 78°F 1022 hPa
DELD1 - 8551762 - Delaware City, DE 24 mi46 min SSE 6 G 8.9 74°F 66°F1022.2 hPa
RDYD1 - 8551910 - Reedy Point, DE 25 mi46 min 75°F 64°F1021.8 hPa
BDRN4 - 8539094 - Burlington, Delaware River, NJ 28 mi40 min WSW 1.9 G 5.1 78°F 66°F1021.4 hPa
CHCM2 - 8573927 - Chesapeake City, MD 35 mi46 min S 5.1 G 7 76°F 65°F1022.2 hPa
NBLP1 - 8548989 - Newbold, PA 35 mi52 min Calm G 1 80°F 68°F1022.4 hPa
SJSN4 - 8537121 - Ship John Shoal, NJ 39 mi46 min S 12 G 14 64°F 1023.1 hPa

Wind History for Philadelphia, PA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Philadelphia, Philadelphia International Airport, PA4 mi22 minN 010.00 miA Few Clouds80°F61°F52%1021.5 hPa
Philadelphia - Wings Field Airport, PA19 mi41 minESE 610.00 miFair80°F61°F53%1022 hPa
Wilmington, New Castle County Airport, DE20 mi25 minS 810.00 miFair76°F64°F67%1022.1 hPa
Philadelphia, Northeast Philadelphia Airport, PA22 mi22 minN 010.00 miFair82°F64°F55%1021.7 hPa

Link to 5 minute data for KPHL

Wind History from PHL (wind in knots)
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Last 24hrE5S4S3S4CalmCalmSE5SE4CalmCalmCalmSE3CalmCalmNE4SE3E4E4SE633E4SW4Calm
1 day agoE9E6E14E9E7E5E9E6NE4NE6NE7NE3NE4NE6NE7NE5NE7E8E5E6SE6E8SE4E6
2 days agoSE5E7E5NE10
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NE7NE9NE8NE10E8E6E10E10E10E8

Tide / Current Tables for Wanamaker Bridge, Darby Creek, Pennsylvania
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Wanamaker Bridge
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Tue -- 03:57 AM EDT     6.16 feet High Tide
Tue -- 05:37 AM EDT     Sunrise
Tue -- 08:46 AM EDT     Moonrise
Tue -- 11:51 AM EDT     0.43 feet Low Tide
Tue -- 04:38 PM EDT     4.96 feet High Tide
Tue -- 08:19 PM EDT     Sunset
Tue -- 11:50 PM EDT     0.71 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.234.95.96.25.9543.12.31.50.80.41.33.14.44.94.94.53.62.821.40.9

Tide / Current Tables for Philadelphia, Pennsylvania Current
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Philadelphia
Click for Map
Tue -- 12:14 AM EDT     0.00 knots Slack
Tue -- 02:12 AM EDT     1.91 knots Max Flood
Tue -- 05:24 AM EDT     -0.00 knots Slack
Tue -- 05:36 AM EDT     Sunrise
Tue -- 08:45 AM EDT     Moonrise
Tue -- 09:08 AM EDT     -1.75 knots Max Ebb
Tue -- 01:09 PM EDT     0.00 knots Slack
Tue -- 02:52 PM EDT     1.54 knots Max Flood
Tue -- 06:05 PM EDT     -0.00 knots Slack
Tue -- 08:19 PM EDT     Sunset
Tue -- 09:15 PM EDT     -1.75 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.311.91.610.3-0.6-1.4-1.7-1.7-1.7-1.5-1.2-0.21.11.51.20.80.1-0.9-1.5-1.7-1.7-1.3

Weather Map
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wmap_A
GEOS Local Image of Mid-Atlantic    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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Philadelphia/Mount Holly, PA (16,3,4,5)
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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 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 numerous 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.