Saturday, January18, 2020
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Marine Weather and Tides
Croydon, 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 7:16AMSunset 5:02PM Saturday January 18, 2020 6:22 PM EST (23:22 UTC) Moonrise 2:08AMMoonset 1:17PM Illumination 37% Phase: Third Quarter Moon; Moon at 23 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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ANZ338 NEw York Harbor- 408 Pm Est Sat Jan 18 2020
.small craft advisory in effect from Sunday morning through Sunday afternoon...
Tonight..SW winds 10 to 15 kt. Gusts up to 25 kt. Waves 1 ft or less, then 2 to 3 ft. Snow mixing with and changing to rain this evening. Scattered rain showers late. Vsby less than 1 nm early this evening.
Sun..W winds 15 to 20 kt with gusts up to 25 kt. Waves 2 to 3 ft.
Sun night..NW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft.
Mon..NW winds around 15 kt with gusts up to 25 kt. Waves around 2 ft.
Mon night..NW winds 10 to 15 kt. Waves around 2 ft in the evening, then 1 ft or less.
Tue..NW winds around 10 kt. Waves 1 ft or less.
Tue night..NW winds 5 to 10 kt. Waves 1 ft or less.
Wed..NW winds 5 to 10 kt. Waves 1 ft or less.
Wed night..W winds 5 to 10 kt. Waves 1 ft or less.
Thu..W winds 5 to 10 kt. Waves 1 ft or less.
Thu night..W winds 5 to 10 kt. Waves 1 ft or less.
ANZ300 408 Pm Est Sat Jan 18 2020
Synopsis for the long island waters and new york harbor.. As low pressure moves across the upper great lakes region, a warm front will approach from the south and enter the region this evening, followed by a cold front late tonight. The low will pass east of new england on Sunday. High pressure will then slowly build from the west.


7 Day Forecast for Marine Location Near Croydon, PA
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location: 40.08, -74.88     debug


Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 182113 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 413 PM EST Sat Jan 18 2020

SYNOPSIS. Low pressure over the Great Lakes will move eastward to our north through tonight reaching the Gulf of Maine by Sunday morning. The low is forecast to pull a cold front through our region late tonight, followed by a secondary cold front on Sunday night. High pressure is expected to build from the north central states on Monday to the Middle Atlantic coast on Wednesday. The high should drift out to sea late in the week. The next low pressure system could affect the region next Saturday.

NEAR TERM /UNTIL 6 AM SUNDAY MORNING/. Snow will continue across the region as the winter storm continues to move out of the Great Lakes and into the Northeast. The surface low responsible for this storm is currently located Much of the region aside from portions of far southern New Jersey and Delmarva has seen a light accumulation of snow to up to 2 inches across the Lehigh Valley. We picked up a nice dusting at our office even through the early afternoon. This will be short-lived, however, as warm air continues to advect northward the 850 mb warm nose of the system continues to lift out of Virginia. Temperatures are beginning to rise to near or even above freezing across Delmarva and Southern New Jersey and precipitation is beginning to transition to a mixture of snow, sleet, and freezing rain into SE Pennsylvania and Delmarva. Mixed wintry precipitation is expected across all but the Pocono Plateau and far northwestern New Jersey, where precip may remain all snow. There is the possibility for a light accumulation of freezing rain as the transition occurs, thus we shifted the advisory southward a tier to cover these impacts since temperatures are still below freezing across the Philly Metro.

Just south of this transition, rain will begin to move northward over the next several hours and takeover from about the I-80 corridor southward through much of the overnight. Both hi-res and global models seem to have reached agreement in this trend, painting the highest snowfall totals across the I-80 corridor into the Poconos and into Warren, Sussex, and Morris Counties in New Jersey where 3-5 inches is expected to fall (highest totals being across the highest terrain where precipitation stays all snow or mostly snow). A lighter total accumulation is forecast south of this with a swath of 1-2 inches along and north of the I-95 corridor and less than one inch south of I-95.

Models have begun to indicate the possibility for a light round of showers and freezing drizzle across the Lehigh Valley and into northern New Jersey as the main cold front moves southeastward across the region. These will likely be localized, so coverage will be limited and likely will not cause significant issues.

SHORT TERM /6 AM SUNDAY MORNING THROUGH SUNDAY NIGHT/. The low will begin to pull away from our area Sunday as northwest flow overtakes the region. Conditions will improve with skies turning partly cloudy. A breezy and cooler day as the low deepens and the pressure gradient begins to tighten across the Northeast. Highs in the mid 30s across the Lehigh Valley and northern New Jersey and the low 40s across southern Delaware and southern New Jersey. A cold night is in store Sunday night with lows dropping down into the teens and low 20s.

LONG TERM /MONDAY THROUGH SATURDAY/. The upcoming week looks to be dry and dominated by high pressure. Temperatures will be chilly early in the week before moderating back to near average temperatures by Wednesday and then seasonably warm temperatures by the end of the week.

To start the period Monday morning, low pressure will continue moving north through Atlantic Canada while high pressure continues to settle south into the midwestern states. This will result in a pressure gradient persisting over the region so NW winds will remain a bit breezy under skies that will be mainly sunny. Highs will be mainly in the 20s to low 30s so seasonably cold.

The high will slowly build east toward the region through Tuesday resulting in a relaxing pressure gradient so Tuesday won't be as windy compared to Monday with continuing mainly sunny skies. Temperatures will be similar to Monday if not just slightly warmer.

Looking toward the middle to latter part of the week, high pressure continues to dominate bringing continuing fair weather with lots of sunshine. Temperatures will also be moderating as the air mass modifies. The next system could affect the area by next Saturday but early indications are this will be a mild system with mainly rain.

AVIATION /21Z SATURDAY THROUGH THURSDAY/. The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.

Through 0z . As of 21z, there is more freezing rain and sleet occuring across the area than previously forecast so adjustments were made accordingly to TAFs . mainly for sites along and N/W of the I-95 corridor. Through this afternoon conditions may fluctuate between MVFR visbys and IFR when more snow mixes back in. S/SE winds generally remaining around 5-10 knots with LLWS also developing.

Confidence is moderate with winds, moderate with low-level wind shear, moderate with precipitation timing, and low with onset of sub-VFR conditions and timing precipitation type transitions.

Tonight . Prolonged sub-VFR expected, as precipitation gradually winds down between 00z and 04z . ending as rain for most of the I-95 TAF sites and points S/E. CIGs/VSBYs may remain MVFR/IFR for much of the night, with improvement to VFR possible toward daybreak. Winds becoming southwest around 10 kt. Southwest LLWS through the evening with this improving overnight. Moderate overall confidence.

Sunday . Mainly VFR. West wind 15 to 20 knots with gusts of 25 to 30 knots. High confidence.

OUTLOOK .

Sunday night . Mainly VFR. West to northwest wind 10 to 15 knots with gusts of 20 to 25 knots. High confidence.

Monday . Mainly VFR. Northwest wind 10 to 15 knots with gusts of 20 to 25 knots. High confidence.

Monday night and Tuesday . VFR. Northwest wind around 10 knots. High confidence.

Tuesday night and Wednesday . VFR. Northwest wind 5 to 10 knots. High confidence.

Wednesday night and Thursday . VFR. Winds variable but generally around 3-7 knots or less.

MARINE. Rest of today and tonight . A small craft advisory is in effect for the coastal waters and the lower Delaware Bay through Sunday night and for the Upper Delaware Bay Sunday and Sunday night with southerly winds to 25 knots. Southerly winds will turn turn southwesterly overnight and eventually westerly Sunday as a series of cold fronts move across the region. Seas ranging from 4 to 6 feet.

OUTLOOK .

Monday . Northwest wind gusts around 25 to 30 knots are expected early in the day with winds diminishing through the afternoon.

Monday night . Northwest wind gusts up to 25 knots are possible.

Tuesday through Thursday . No marine headlines are anticipated.

PHI WATCHES/WARNINGS/ADVISORIES. PA . Winter Weather Advisory until 10 PM EST this evening for PAZ054-055-060>062-070-071-101>106. NJ . Winter Weather Advisory until 10 PM EST this evening for NJZ001-007>010-012-015>019. DE . Winter Weather Advisory until 10 PM EST this evening for DEZ001. MD . Winter Weather Advisory until 10 PM EST this evening for MDZ008. MARINE . Small Craft Advisory until 6 AM EST Monday for ANZ431-450>455. Small Craft Advisory from 6 AM Sunday to 6 AM EST Monday for ANZ430.

Synopsis . Fitzsimmons Near Term . Davis Short Term . Davis Long Term . Fitzsimmons Aviation . Davis/Fitzsimmons Marine . Davis/Fitzsimmons


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BDRN4 - 8539094 - Burlington, Delaware River, NJ 1 mi46 min 29°F 40°F1018.2 hPa
NBLP1 - 8548989 - Newbold, PA 8 mi52 min SSE 7 G 9.9 29°F 38°F1019 hPa
BDSP1 13 mi52 min 30°F 1018.9 hPa
PHBP1 - 8545240 - Philadelphia, PA 17 mi52 min 31°F 40°F1018.2 hPa
MRCP1 - 8540433 - Marcus Hook, PA 34 mi58 min 31°F 41°F1018.4 hPa
JCRN4 - Jacques Cousteau Reserve, NJ 44 mi112 min SSE 7 36°F 1022 hPa32°F

Wind History for Burlington, Delaware River, NJ
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Philadelphia, Northeast Philadelphia Airport, PA7 mi28 minSSE 65.00 miLight Snow Fog/Mist31°F27°F85%1018.1 hPa
Mount Holly, South Jersey Regional Airport, NJ9 mi28 minSSE 56.00 miLight Freezing Rain Fog/Mist31°F28°F92%1017.8 hPa
Trenton, Mercer County Airport, NJ14 mi29 minESE 54.00 miLight Freezing Rain Fog/Mist27°F26°F96%1017 hPa
Mcguire Air Force Base, NJ15 mi86 minSE 54.00 miLight Freezing Rain29°F26°F92%1020.5 hPa
Doylestown, Doylestown Airport, PA21 mi28 minSSE 67.00 miLight Freezing Rain28°F24°F85%1017.7 hPa
Philadelphia - Wings Field Airport, PA21 mi47 minSSE 55.00 miLight Snow Fog/Mist29°F27°F96%1017.6 hPa
Philadelphia, Philadelphia International Airport, PA24 mi28 minSSE 55.00 miLight Freezing Rain32°F28°F88%1017.7 hPa

Link to 5 minute data for KPNE

Wind History from PNE (wind in knots)
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Last 24hrN7NW10N9N8N8N5N4N4N5N6N5NE3NE4E5SE3S5SW9E5SE5E5E4SE5SE4SE6
1 day agoNW14
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2 days agoCalmCalmCalmCalmS3CalmS34CalmS53W6W8W11
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Tide / Current Tables for Burlington, New Jersey
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Burlington
Click for Map
Sat -- 01:08 AM EST     Moonrise
Sat -- 03:30 AM EST     -0.44 feet Low Tide
Sat -- 07:18 AM EST     Sunrise
Sat -- 08:44 AM EST     7.12 feet High Tide
Sat -- 12:16 PM EST     Moonset
Sat -- 04:04 PM EST     -0.04 feet Low Tide
Sat -- 05:01 PM EST     Sunset
Sat -- 09:06 PM EST     6.69 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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31.80.7-0.3-0.21.745.76.87.16.45.34.23.11.90.7-00.82.94.766.76.35.2

Tide / Current Tables for Philadelphia, Pennsylvania Current
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Philadelphia
Click for Map
Sat -- 01:09 AM EST     Moonrise
Sat -- 02:56 AM EST     0.00 knots Slack
Sat -- 04:59 AM EST     1.93 knots Max Flood
Sat -- 07:19 AM EST     Sunrise
Sat -- 08:20 AM EST     -0.00 knots Slack
Sat -- 11:31 AM EST     -2.04 knots Max Ebb
Sat -- 12:18 PM EST     Moonset
Sat -- 03:32 PM EST     0.01 knots Slack
Sat -- 05:02 PM EST     Sunset
Sat -- 05:30 PM EST     1.66 knots Max Flood
Sat -- 08:43 PM EST     -0.01 knots Slack
Sat -- 11:50 PM EST     -2.06 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-2-1.7-1.20.11.51.91.81.40.4-0.8-1.7-2-2-1.8-1.5-0.70.71.61.61.40.9-0.4-1.4-1.9

Weather Map
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wmap_A
GEOS 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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Philadelphia/Mount Holly, PA (18,4,5,8)
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Ground Weather Radar Station Philadelphia, PA
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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 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.