Thursday, January23, 2020
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Marine Weather and Tides
Millbourne borough, 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 7:14AMSunset 5:09PM Thursday January 23, 2020 3:17 PM EST (20:17 UTC) Moonrise 6:27AMMoonset 4:00PM Illumination 2% Phase: Waning Crescent; Moon at 28 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- 1223 Pm Est Thu Jan 23 2020
This afternoon..N winds around 5 kt, becoming E late. Waves 2 ft or less.
Tonight..NE winds around 5 kt. Waves 2 ft or less.
Fri..E winds 5 to 10 kt. Waves 2 ft or less.
Fri night..E winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Waves 2 ft or less, then around 3 ft early in the evening. A chance of rain in the evening, then rain after midnight.
Sat..SE winds 15 to 20 kt, becoming S 10 to 15 kt in the afternoon. Gusts up to 25 kt. Waves around 3 ft. Rain.
Sat night..W winds 10 to 15 kt with gusts up to 20 kt. Waves around 3 ft.
Sun..W winds around 15 kt with gusts up to 25 kt. Waves around 3 ft.
Sun night..W winds 10 to 15 kt with gusts up to 25 kt. Waves around 3 ft.
Mon..NW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 ft or less.
Mon night..NW winds around 10 kt. Waves 2 ft or less.
ANZ400 1223 Pm Est Thu Jan 23 2020
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. High pressure over the area will slowly slide east today and move offshore tonight. High pressure noses in from the north on Friday as low pressure develops over the ohio and tennessee valleys. As this low lifts to the northeast and into eastern canada, another low forms over the region Friday night through Saturday. These two systems will merge over new england on Sunday, and gradually moves out to sea on Monday. High pressure returns for the mid-week period. Low pressure may affect the region late next week.


7 Day Forecast for Marine Location Near Millbourne borough, PA
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location: 39.96, -75.18     debug


Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 231725 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 1225 PM EST Thu Jan 23 2020

SYNOPSIS. High pressure over the area will slowly slide east today and move offshore tonight. High pressure noses in from the north on Friday as low pressure develops over the Ohio and Tennessee Valleys. As this low lifts to the northeast and into eastern Canada, another low forms over the region Friday night through Saturday. These two systems will merge over New England on Sunday, and gradually moves out to sea on Monday. High pressure returns for the mid-week period. Low pressure may affect the region late next week.

NEAR TERM /UNTIL 6 PM THIS EVENING/. 12:30 AM Update: Adjusted temps and dew points to match current observations. Cirrus will continue to build across the region with cool conditions into the afternoon.

Previous discussion . High pressure remains across the area today, keeping dry, quiet weather in the forecast. The only weather to speak of today will be periods of cirrus clouds through the day. With high pressure across the area, winds will be fairly light. Temperatures today will begin warming above normal as thicknesses increase.

SHORT TERM /6 PM THIS EVENING THROUGH 6 AM FRIDAY/. The high pressure will begin to weaken and retreat to the northeast tonight. The forecast remains dry, however, cloud cover will be on the increase in advance of an approaching storm system as a couple of short wave moves across the area.

LONG TERM /FRIDAY THROUGH WEDNESDAY/. High pressure over eastern Canada noses southward and keeps the region dry as low pressure develops and intensifies over the Ohio and Tennessee Valleys. Conditions will be dry, but mid and high clouds associated with that storm will lift into the region throughout the day. Turning warmer with highs mainly in the 40s, but possibly into the low 50s in southern New Jersey and Delmarva.

Low pressure over the Ohio Valley lifts to the north and into the eastern Great Lakes Friday night and Saturday. Meanwhile, several strong shortwaves rotating around a closed H5 low will move into the Mid-Atlantic, and a secondary low forms over Virginia and lifts towards the Delmarva Peninsula Friday night. Precip moves in from the west, mainly after midnight, and spreads east through the overnight hours.

For the vast majority of the region, precip will be rain. However, some colder surface air works its way into the southern Poconos, northern New Jersey, and into the Lehigh Valley late Friday night and into Saturday morning. Temperatures drop to freezing in these areas, and rain will change to sleet and freezing rain in the pre-dawn hours of Saturday morning, and freezing rain continues through saturday morning. With the track of the secondary low going from eastern Maryland and southeast Pennsylvania, and then into northern New Jersey during the day Saturday, WAA spreads north through the region. By Saturday afternoon, surface temperatures should rise above freezing in the far northern zones, and freezing rain will change over to plain rain. As much as 1/4 inch ice is possible, mainly in the southern Poconos, and several hundredths of an inch down into the Lehigh Valley.

PWATs rise to around 1 inch, which, for late January, is quite high and rain could be heavy at times Saturday afternoon. In addition, MU CAPE values will be around 100 J/kg, so there could even be a rumble of thunder.

The secondary low merges with the primary low over northern New York and northern New England, Saturday night, and strengthens on Sunday before finally moving out to sea on Monday.

Precip tapers off from south to north Saturday night, but precip continues across the southern Poconos, northern New Jersey, and Lehigh Valley. Cold air wraps around behind the departing low, and precip mixes with and changes to snow before tapering off by Sunday morning.

Several waves of wrap-around precip will continue through Sunday before ending Sunday night. Should be mostly snow with light snowfall amounts.

High pressure then builds in from the west on Monday and slowly builds east through the week. Dry weather on tap for region with temperatures slightly above seasonal norms.

AVIATION /18Z THURSDAY THROUGH TUESDAY/. The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.

Today . VFR conditions prevail through today. Winds will be light and variable for much of the day, although winds may increase out of the south to southwest this afternoon for PHL, PNE, TTN, and southeast for ACY and ILG. -High confidence.

Tonight . VFR conditions continue through tonight. Winds will be light and variable.

Outlook .

Friday . VFR conditions will continue through the period. Winds will be fairly light through the period.

Friday night . MVFR, then IFR conditions as rain spreads from west to east. Wintry mix possible in portions of northeast PA and northern NJ. E-SE winds 10-15 kt.

Saturday-Saturday night . IFR. Sleet/FZRA possible at KRDG/KABE in the morning, eventually changing to all rain by afternoon. Rain elsewhere. E-SE winds 10-15 kt, turning south in the afternoon.

Saturday night . IFR/MVFR conditions in rain, except a wintry mix at KRDG/KABE. West winds 10-15 kt.

Sunday . Conditions improve to VFR. West winds 10-15 kt with gusts up to 20 kt.

Monday through Wednesday . VFR. Generally a NW flow less than 10 kt.

MARINE. Today-tonight . Conditions will remain below advisory levels for today and tonight.

OUTLOOK .

Friday . Sub-SCA conditions.

Friday night . Winds and seas build to SCA levels.

Saturday through Sunday night . SCA conditions, with a period of gale force winds possible across northern New Jersey ocean waters Saturday afternoon.

Monday . Conditions gradually subside to sub-SCA conditions.

TIDES/COASTAL FLOODING. The combination of a new moon on Friday, along with an onshore flow may lead to areas of coastal flooding with the high tide Saturday.

PHI WATCHES/WARNINGS/ADVISORIES. PA . None. NJ . None. DE . None. MD . None. MARINE . None.

Synopsis . MPS Near Term . Davis/Robertson Short Term . Davis/Robertson Long Term . MPS Aviation . Davis/MPS/Robertson Marine . MPS/Robertson Tides/Coastal Flooding .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PHBP1 - 8545240 - Philadelphia, PA 3 mi48 min 44°F 40°F1027.1 hPa
BDSP1 6 mi48 min 43°F 1027.6 hPa
MRCP1 - 8540433 - Marcus Hook, PA 16 mi54 min 42°F 40°F1027 hPa
BDRN4 - 8539094 - Burlington, Delaware River, NJ 18 mi42 min 44°F 35°F1027 hPa
NBLP1 - 8548989 - Newbold, PA 26 mi48 min 44°F 33°F1027.8 hPa
DELD1 - 8551762 - Delaware City, DE 34 mi54 min 38°F 44°F1027.4 hPa
RDYD1 - 8551910 - Reedy Point, DE 35 mi54 min 40°F 39°F1026.8 hPa
CHCM2 - 8573927 - Chesapeake City, MD 45 mi54 min 42°F 38°F1027.6 hPa
SJSN4 - 8537121 - Ship John Shoal, NJ 46 mi48 min 38°F 41°F1027.9 hPa
JCRN4 - Jacques Cousteau Reserve, NJ 48 mi48 min NE 1.9 46°F 1028 hPa18°F

Wind History for Philadelphia, PA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Philadelphia, Philadelphia International Airport, PA6 mi24 minN 010.00 miOvercast44°F12°F28%1027.5 hPa
Philadelphia, Northeast Philadelphia Airport, PA12 mi24 minSE 310.00 miFair47°F18°F31%1027.9 hPa
Philadelphia - Wings Field Airport, PA13 mi43 minN 010.00 miFair43°F16°F33%1027.1 hPa
Mount Holly, South Jersey Regional Airport, NJ18 mi24 minN 010.00 miFair44°F16°F32%1027.6 hPa

Link to 5 minute data for KPHL

Wind History from PHL (wind in knots)
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Last 24hrSW6W4CalmCalmCalmCalmCalmW4CalmN5CalmS3CalmCalmCalmCalmCalmCalmCalmCalmSE3E3NE3Calm
1 day agoN11
G21
N11NW8NW5NW5NW6N5N4NW5N5CalmNW4NW4NW4CalmCalmCalmNW5CalmSE4S4SW5W5SW4
2 days agoN12
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NW9N6N7N6N8N10N5N9N12N11N10N11NW6NW64NW6N7N9N10N11
G18
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NW14N14
G20

Tide / Current Tables for Market Street Bridge, Schuylkill River, Pennsylvania
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Market Street Bridge
Click for Map
Thu -- 06:27 AM EST     Moonrise
Thu -- 06:56 AM EST     -0.02 feet Low Tide
Thu -- 07:16 AM EST     Sunrise
Thu -- 12:07 PM EST     6.28 feet High Tide
Thu -- 03:59 PM EST     Moonset
Thu -- 05:08 PM EST     Sunset
Thu -- 07:40 PM EST     -0.01 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.34.73.832.21.40.5-00.92.54.15.56.365.24.43.62.71.50.30.11.22.64

Tide / Current Tables for Philadelphia, Pennsylvania Current
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Philadelphia
Click for Map
Thu -- 12:22 AM EST     -0.01 knots Slack
Thu -- 03:15 AM EST     -1.78 knots Max Ebb
Thu -- 06:27 AM EST     Moonrise
Thu -- 07:16 AM EST     Sunrise
Thu -- 07:18 AM EST     0.00 knots Slack
Thu -- 09:23 AM EST     1.53 knots Max Flood
Thu -- 12:42 PM EST     -0.00 knots Slack
Thu -- 03:57 PM EST     -1.66 knots Max Ebb
Thu -- 03:59 PM EST     Moonset
Thu -- 04:57 PM EST     -1.64 knots Min Ebb
Thu -- 05:08 PM EST     Sunset
Thu -- 06:05 PM EST     -1.70 knots Max Ebb
Thu -- 08:15 PM EST     0.00 knots Slack
Thu -- 11:20 PM EST     1.39 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.5-0.7-1.5-1.8-1.7-1.5-1.2-0.40.91.51.51.40.8-0.4-1.2-1.6-1.7-1.6-1.7-1.4-0.30.71.11.4

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.
Link to Loop



Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Philadelphia/Mount Holly, PA (15,3,4,5)
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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.