Wednesday, January22, 2020
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Marine Weather and Tides
Riverton, NJ

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 5:08PM Wednesday January 22, 2020 4:04 AM EST (09:04 UTC) Moonrise 5:32AMMoonset 3:04PM Illumination 8% Phase: Waning Crescent; Moon at 27 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- 318 Am Est Wed Jan 22 2020
Today..N winds 5 to 10 kt. Waves 2 ft or less.
Tonight..E winds around 5 kt in the evening, becoming variable less than 5 kt, then becoming N around 5 kt late. Waves 2 ft or less.
Thu..N winds around 5 kt, becoming se late. Waves 2 ft or less.
Thu night..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 with gusts up to 25 kt. Waves 2 ft or less. A chance of rain in the evening, then rain after midnight.
Sat..E winds 15 to 20 kt, becoming S 10 to 15 kt in the afternoon. Gusts up to 30 kt. Waves around 3 ft. Rain.
Sat night..W winds 10 to 15 kt with gusts up to 30 kt. Waves 2 ft or less. A chance of rain in the evening.
Sun..W winds around 15 kt with gusts up to 30 kt. Waves around 3 ft in the morning, then 2 ft or less.
Sun night..NW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 ft or less.
ANZ400 318 Am Est Wed Jan 22 2020
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. High pressure will build eastward across the mid atlantic and northeast states today through Thursday. This high will weaken and retreat to the northeast Friday before a storm system moves across the mid atlantic and northeast states late in the week and into the weekend. This low will strengthen as it moves into the canadian maritimes early next week while high pressure builds to our southwest.


7 Day Forecast for Marine Location Near Riverton , NJ
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location: 40.01, -75.01     debug


Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 220852 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 352 AM EST Wed Jan 22 2020

SYNOPSIS. High pressure will build eastward across the Mid Atlantic and northeast states today through Thursday. This high will weaken and retreat to the northeast Friday before a storm system moves across the Mid Atlantic and northeast states late in the week and into the weekend. This low will strengthen as it moves into the Canadian Maritimes early next week while high pressure builds to our southwest, then across the east coast by the middle of the week.

NEAR TERM /UNTIL 6 PM THIS EVENING/. Expansive high pressure over the Ohio and Tennessee Valleys will build east throughout the day, and should be nearly overhead by late afternoon.

Clear and cold this morning with temperatures generally in the teens, but winds will be light, so not much in the way of a wind chill.

Abundant sunshine on tap today, and with WAA and increasing low level moisture, highs will top off in the 30s to around 40. These temperatures will be right around normal for this time of year.

SHORT TERM /6 PM THIS EVENING THROUGH 6 AM THURSDAY/. High pressure will be over the area tonight. With the center of the high right over New Jersey, winds will be calm and skies will be clear. This will allow for excellent radiational cooling conditions. With a slightly warmer airmass over the region, lows will generally drop into the teens and low 20s, which will be a few degrees warmer than this morning.

LONG TERM /THURSDAY THROUGH TUESDAY/. Quiet weather continues through the beginning of the long term forecast, then unsettled weather returns for the end of the week into the weekend, then quiet weather is expected to return again early next week.

High pressure remains across the Mid Atlantic and northeast states through Thursday, keeping dry, quiet weather in the forecast. Temperatures warm above normal by Thursday as thicknesses increase. Actually, temperatures through the extended period are forecast to be above normal.

The high pressure will begin to weaken and retreat to the northeast by Thursday night and Friday. The forecast remains dry through Friday, 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.

The main story of the long term forecast continues to be the storm system over the weekend. An area of low pressure will be lifting across the Mid-West and into the Great Lakes Friday into Friday night, while lifting a frontal system toward the Mid- Atlantic region. A secondary low is forecast to develop to our southwest across the central Appalachians Friday night near the triple point of the occluding frontal system, then lift to the northeast near our region Saturday, and strengthen and become the main low of the storm system. There continues to be slight timing and placement differences with the development of this secondary low, and this will have an impact on the precipitation type. The GFS continues to be faster and closer to the coast, while the ECMWF is slower and farther inland, although the differences are not as big as last night. What this leads to is the potential for a wintry mix for areas along and north of I-78 starting Friday night and continuing through Saturday into Saturday night. Areas along the I-78 corridor may change over to all rain for a time Saturday, before changing back to snow by Saturday night. Areas farther north, especially along and north of the I-80 corridor will likely remain all snow during the event. Those areas that see all snow may end up with several inches of snow, while areas farther south could see a couple of inches along with some icing. Areas farther south of the I-78 corridor will likely remain all rain until Saturday night into Sunday as the precipitation changes to snow for many areas as colder air wraps around the low as it moves to the northeast. Any precipitation will begin to end later Sunday into Sunday night as the low pulls farther away from the area.

High pressure will build to our southwest early next week, while low pressure moves through the Canadian Maritimes. Winds will become gusty due to a tight pressure gradient between the low to our northeast and the high to our southwest, beginning later Saturday, and continuing through Monday. Dry weather will return to the forecast for Monday and continue into Tuesday. As high pressure begins to build toward the east coast Tuesday, winds will begin to diminish as well.

AVIATION /08Z WEDNESDAY THROUGH SUNDAY/. The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.

Today . VFR/SKC. LGT/VRB winds this morning, becoming SW 5-7 kt this afternoon. High confidence.

Tonight . VFR/SKC. LGT/VRB winds. High confidence.

Outlook .

Thursday-Friday . VFR conditions will continue through the period. Winds will be fairly light through the period. -High confidence.

Friday night . Conditions begin to lower to MVFR the IFR overnight as precipitation moves into the area. Rain is expected across southeast Pennsylvania, central/southern New Jersey, Delaware, and eastern Maryland. A wintry mix is possible across portions of northeast Pennsylvania and northern New Jersey. Light winds become easterly overnight -Moderate confidence.

Saturday-Saturday night . Precipitation continues across the area with IFR conditions in place. Winds shift front easterly, to north, to northwest and become gusty 15-25 knots at times. -Moderate confidence.

Sunday . Conditions improve to MVFR then VFR during the day. Wind remain northwest 20-30 knots. -Moderate confidence.

MARINE. Sub-SCA conditions with high pressure building into the region. Light north winds today, then light and variable winds tonight. Seas 1-3 feet on the ocean and 1-2 feet on DE Bay.

OUTLOOK .

Wednesday-Thursday . Conditions expected to remain below advisory levels.

Thursday night-Friday night . Winds expected to remain below advisory levels, however, seas are expected to build above advisory levels to 5-7 feet.

Saturday-Sunday . Seas remain above advisory levels, and winds are expected to increase above advisory levels as well. There may be a brief period of gale force winds during the day Saturday.

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BDSP1 4 mi46 min 27°F 1031 hPa
BDRN4 - 8539094 - Burlington, Delaware River, NJ 9 mi88 min 25°F 36°F1030.5 hPa
PHBP1 - 8545240 - Philadelphia, PA 9 mi46 min 29°F 40°F1030.4 hPa
NBLP1 - 8548989 - Newbold, PA 16 mi52 min 24°F 34°F1031.2 hPa
MRCP1 - 8540433 - Marcus Hook, PA 26 mi52 min 25°F 40°F1030.6 hPa
DELD1 - 8551762 - Delaware City, DE 43 mi52 min 25°F 43°F1031.1 hPa
RDYD1 - 8551910 - Reedy Point, DE 43 mi52 min 26°F 39°F1030.6 hPa
JCRN4 - Jacques Cousteau Reserve, NJ 44 mi34 min NNW 1.9 23°F 1031 hPa13°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, PA6 mi70 minN 010.00 miFair24°F12°F60%1031.1 hPa
Mount Holly, South Jersey Regional Airport, NJ10 mi70 minno data mi19°F0°F%1030.9 hPa
Philadelphia, Philadelphia International Airport, PA15 mi70 minNNW 410.00 miFair24°F12°F60%1030.8 hPa
Philadelphia - Wings Field Airport, PA16 mi69 minN 010.00 miFair17°F14°F90%1030.5 hPa
Trenton, Mercer County Airport, NJ21 mi71 minNW 410.00 miFair20°F10°F68%1029.8 hPa
Mcguire Air Force Base, NJ22 mi68 minNNW 510.00 miFair22°F11°F64%1030.3 hPa
Doylestown, Doylestown Airport, PA23 mi70 minN 010.00 miFair18°F10°F74%1030.7 hPa

Link to 5 minute data for KPNE

Wind History from PNE (wind in knots)
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Last 24hrNW4NW6NW4NW3N9NW10N8NW10NW11N8N11
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NW9N8NW6CalmN4N5N5NW3N3N3NW3CalmCalm
1 day agoN11N9
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Tide / Current Tables for Pompeston Creek, New Jersey
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Pompeston Creek
Click for Map
Wed -- 05:31 AM EST     Moonrise
Wed -- 06:50 AM EST     -0.09 feet Low Tide
Wed -- 07:16 AM EST     Sunrise
Wed -- 12:03 PM EST     6.55 feet High Tide
Wed -- 03:03 PM EST     Moonset
Wed -- 05:06 PM EST     Sunset
Wed -- 07:35 PM EST     -0.05 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.54.83.832.21.30.3-0.112.84.45.96.56.25.44.53.72.71.40.20.11.32.84.3

Tide / Current Tables for Philadelphia, Pennsylvania Current
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Philadelphia
Click for Map
Wed -- 02:25 AM EST     -1.85 knots Max Ebb
Wed -- 05:32 AM EST     Moonrise
Wed -- 06:27 AM EST     0.00 knots Slack
Wed -- 07:17 AM EST     Sunrise
Wed -- 08:35 AM EST     1.61 knots Max Flood
Wed -- 11:53 AM EST     -0.01 knots Slack
Wed -- 03:04 PM EST     Moonset
Wed -- 03:10 PM EST     -1.73 knots Max Ebb
Wed -- 04:11 PM EST     -1.70 knots Min Ebb
Wed -- 05:07 PM EST     Sunset
Wed -- 05:09 PM EST     -1.74 knots Max Ebb
Wed -- 07:23 PM EST     0.00 knots Slack
Wed -- 10:29 PM EST     1.44 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.6-1.5-1.8-1.8-1.6-1.3-0.60.71.51.61.51-0.1-1.1-1.6-1.7-1.7-1.7-1.5-0.50.71.21.41.3

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Philadelphia/Mount Holly, PA (4,6,7,8)
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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.