Saturday, July11, 2020
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Marine Weather and Tides
Brooklawn, 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 5:40AMSunset 8:31PM Saturday July 11, 2020 5:16 PM EDT (21:16 UTC) Moonrise 11:30PMMoonset 10:59AM Illumination 61% Phase: Waning Gibbous; Moon at 21 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- 402 Pm Edt Sat Jul 11 2020
Tonight..W winds 5 to 10 kt. Waves 2 ft or less. A chance of tstms early this evening, then a slight chance of tstms late this evening.
Sun..W winds 5 to 10 kt, becoming S in the afternoon. Waves 2 ft or less.
Sun night..S winds 5 to 10 kt. Waves 2 ft or less.
Mon..W winds 5 to 10 kt. Waves 2 ft or less. A chance of tstms in the late morning and afternoon.
Mon night..W winds 5 to 10 kt, becoming nw 10 to 15 kt with gusts up to 20 kt after midnight. Waves 2 ft or less. A chance of tstms in the evening.
Tue..NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Waves 2 ft or less.
Tue night..W winds around 5 kt. Waves 2 ft or less.
Wed..W winds around 5 kt, becoming S in the afternoon. Waves 2 ft or less.
Wed night..S winds around 10 kt. Waves 2 ft or less.
Thu..S winds 10 to 15 kt. Waves 2 ft or less.
Thu night..S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Waves 2 ft or less. Winds and waves higher in and near tstms.
ANZ400 402 Pm Edt Sat Jul 11 2020
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. A weak cold front will cross our region tonight, then as it remains just offshore a weak area of low pressure will track along it Sunday night and Monday. This will pull the main weak cold front off the coast Monday night. High pressure builds nearby Wednesday and Thursday before moving offshore into Friday, then the next cold front may arrive later Friday into Saturday.


7 Day Forecast for Marine Location Near Brooklawn , NJ
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location: 39.88, -75.12     debug


Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 111955 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 355 PM EDT Sat Jul 11 2020

SYNOPSIS. A weak cold front will cross our region tonight, then as it remains just offshore a weak area of low pressure will track along it Sunday night and Monday. This will pull the main weak cold front off the coast Monday night. High pressure builds nearby Wednesday and Thursday before moving offshore into Friday, then the next cold front may arrive later Friday into Saturday.

NEAR TERM /UNTIL 6 AM SUNDAY MORNING/. Showers and thunderstorms have begun to develop across the area this afternoon and will continue into the early evening. Post Tropical Cyclone Fay will continue to lift northward into southeast Canada today, while another low pressure will lift across the eastern Great Lakes region and western New York, eventually pulling a cold front across the Mid Atlantic region this evening. Ahead of the cold front, an unstable airmass has developed with CAPE values over 2,000 J/kg, approaching 2,000-3,000 J/kg for some areas. Shear remains fairly weak, only around 20-25 knots due to mid level winds of only 25-35 knots. Mid level lapse rates are not very steep, 6.0 or less, and wet-bulb 0 heights are not very low either, although they may lower slightly as storms move through. So severe hail is not a significant threat, although there could be some small hail with strongest storms. The main threat with any strong to severe storms would be damaging winds. DCAPE is around 1,000-2,000 J/kg, and with some dry air in the mid levels, this could locally enhance any downdrafts. The strongest part of the advancing short wave is expected to pass to our north, but enough of the short wave should impact our area for showers and thunderstorms to impact at least eastern Pennsylvania, and northern and central New Jersey this afternoon.

The showers and thunderstorms are expected to lift to our north and away from the area by sunset, and the remainder of the overnight hours are expected to be precipitation free. It would not be surprising to see some patchy fog late in the overnight, mainly for areas where rain fell during the day and winds become light and variable. This is mainly possible across portions of northeast Pennsylvania and northern New Jersey.

SHORT TERM /6 AM SUNDAY MORNING THROUGH SUNDAY NIGHT/. On Sunday, the cold front is forecast to stall out as it moves offshore of the east coast, then eventually may push back onshore or redevelop back onshore by the afternoon into Sunday evening as an area of low pressure develops along the boundary to our southwest during the day, then moves across the area overnight. Most of the daytime hours Sunday are expected to be dry as PW values will be an inch or lower through much of the day. However, by the late afternoon hours, a short wave/vorticity impulse will move across eastern Pennsylvania and northern New Jersey, while another approaches from the southwest. This could lead to a few showers or thunderstorms late in the afternoon. Additional showers or thunderstorms are expected to develop overnight Sunday into Monday morning as a couple of more short wave/vorticity impulses are expected to move across the area. PW values increase to 1.50-1.75 inches late Sunday into Sunday night, so some heavy rainfall could occur for some showers or thunderstorms. The highest chances for rain is located across portions of eastern Pennsylvania and northern New Jersey.

LONG TERM /MONDAY THROUGH SATURDAY/. Summary . Potentially unsettled at times Monday, otherwise warm to hot. A few breaks should occur from the very humid conditions at times.

Synoptic Overview . An upper-level trough will swing across the Northeast and Mid-Atlantic regions Monday and Tuesday, with a surface cold front being pushed offshore. High pressure builds nearby Wednesday and Thursday before shifting eastward and offshore into Friday. A ridge builds toward our area from the Tennessee Valley region for the end of the week into the weekend, however energy rolling along the northern periphery of the ridge may allow for a cold front to drop into our area later Friday into Saturday.

For Monday and Tuesday . An upper-level trough will swing across the Northeast and Mid-Atlantic regions during this time frame. At the surface, a weak cold front is forecast to be positioned near the coast although it may get pulled inland some as a weak area of low pressure tracks along it Monday. The parent low should become more focused across New England as the main portions of the trough aloft moves across there. While there is forcing for ascent during Monday, this may be weaker with a southern extent given the core of the trough aloft forecast to be farther northward. While at least scattered convection should occur, the overall organization will depend on the forcing as well as the amount of shear. The forecast soundings indicate that drying aloft increases through the day and the stronger low to mid level flow is generally north of our region. Given this, not anticipating severe weather however this will be monitored given potentially steep low-level lapse rates.

The cold front is pushed out to sea Monday night and Tuesday as high pressure to the west builds southeastward. The surface dew points may mix out some during peak heating Tuesday. An upper-level trough sliding across New England Tuesday may toss a weak front into our far northern areas Tuesday night, however as of now not much is anticipated with it.

For Wednesday and Thursday . Any lingering surface boundary across our northern areas should lift north Wednesday as a warm front due to a ridge building in from the west. Surface high pressure may become more elongated along the East Coast, and if it becomes more centered over New England then a more onshore low-level flow will occur. Overall it looks dry on Wednesday, then perhaps some convection may try and arrive later Thursday well ahead of a cold front but with a possible pre-frontal trough. It could turn hotter Thursday depending on the timing and strength of an incoming ridge.

For Friday and Saturday . High pressure more anchored offshore will result in a strengthening southerly flow. This will result in higher dew points being advected northward ahead of an advancing cold front. An upper-level trough sliding across the Great Lakes region and adjacent Canada will move into the Northeast later Friday into Saturday. The surface cold front may slow as it moves into our area due to the upper-level trough potentially reloading to our west. This setup could result in widespread convection, however intensity and coverage at this time frame is much less certain. There is some potential that high temperatures each day could be well into the 90s for many areas, depending on how much ridging occurs and the timing of any convection.

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

Rest of today-this evening . Mostly VFR conditions will continue outside of any showers or thunderstorms. Isolated showers and thunderstorms will be possible for the rest of this afternoon into early evening. The most likely places for thunderstorms to affect the airport are for ABE, RDG, and TTN, although all areas could have showers or thunderstorms in their vicinity through 22z-23z. Winds will be mostly 5-10 knots, with occasional gusts around 15 knots.

This evening-Overnight . After showers and thunderstorms end, VFR conditions are expected for the reminder of the overnight. Patchy fog is possible to develop for some areas, mainly where rain fell during the day, however, TAF sites are not expected to be affected. Winds will southwest 5-10 knots early, then shift to the west around 5 knots, or become light and variable overnight.

Sunday . Mostly VFR. A chance of showers and thunderstorms beginning in the afternoon and evening. Winds will shift from west to southwest during the day, withs speeds around 5-10 knots, with occasional gusts around 15 knots.

Sunday night . Mostly VFR, although patchy and low clouds may develop late in the night and toward daybreak Monday A chance of showers or thunderstorms starting in the evening and continuing into the overnight. Winds will vary between south to southwest winds 5-10 knots or less.

Outlook . Monday . Localized fog early, otherwise mainly VFR ceilings. Some showers and thunderstorms possible which can lead to MVFR/IFR conditions at times. Any showers and thunderstorms should end during the evening. Southwest winds 5-10 knots, becoming west to northwest 5 knots or less at night. Moderate confidence.

Tuesday . Mainly VFR. Northwest winds around 10 knots, becoming light and variable at night. Moderate confidence.

Wednesday and Thursday . Mainly VFR. Some showers and thunderstorms possible Thursday afternoon and evening which would result in local restrictions. Light and variable winds to start Wednesday becoming southerly 5-10 knots, then continued southerly winds Thursday potentially increasing to 10-15 knots. Low confidence with timing and coverage of any showers and thunderstorms.

MARINE. Tonight . A Small Craft Advisory remains in effect through 8 pm from Little Egg Harbor northward as winds may continue to gust around 25 knots and seas continue around 5-6 feet. Winds and seas will lower later this evening, although winds could gust around 20 knots at times.

Sunday-Sunday night . Conditions expected to remain below advisory levels through the period, although winds could gust around 20 knots at times. There is a chance of showers and thunderstorms late Sunday into Sunday night which could lead to locally higher winds and waves.

Outlook . Monday . The winds are anticipated to be below Small Craft Advisory criteria, however southwesterly winds may boost seas to around 5 feet for a time on the Atlantic coastal waters.

Tuesday and Wednesday . The conditions are anticipated to below Small Craft Advisory criteria, however several wind shifts are forecast.

Thursday . Southerly flow increases, however winds should remain below Small Craft Advisory criteria as well as the seas.

Rip Currents . A moderate risk for the formation of dangerous rip currents is expected to continue through Sunday. Increased southerly winds into this evening with waves remaining fairly elevated. Conditions should then be similar on Sunday, although with somewhat lower wave heights.

EQUIPMENT. The NOAA Weather Radio All Hazards broadcast from Hibernia Park, PA (WNG704) remains off the air until further notice due to damage to the antenna during the June 3 derecho.

PHI WATCHES/WARNINGS/ADVISORIES. PA . None. NJ . None. DE . None. MD . None. MARINE . Small Craft Advisory until 8 PM EDT this evening for ANZ450>451.

Synopsis . Gorse Near Term . Robertson Short Term . Robertson Long Term . Gorse Aviation . Gorse/Robertson Marine . Gorse/Robertson Equipment . WFO PHI


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PHBP1 - 8545240 - Philadelphia, PA 4 mi47 min 91°F 81°F1003.4 hPa
BDSP1 7 mi47 min 87°F 1004 hPa
MRCP1 - 8540433 - Marcus Hook, PA 16 mi47 min 85°F 82°F1003.9 hPa
BDRN4 - 8539094 - Burlington, Delaware River, NJ 19 mi41 min WSW 12 G 18 87°F 82°F1003.3 hPa
NBLP1 - 8548989 - Newbold, PA 26 mi47 min SSW 6 G 11 86°F 79°F1004.2 hPa
DELD1 - 8551762 - Delaware City, DE 32 mi47 min WSW 6 G 12 86°F 78°F1004.6 hPa
RDYD1 - 8551910 - Reedy Point, DE 33 mi47 min 87°F 83°F1004.1 hPa
JCRN4 - Jacques Cousteau Reserve, NJ 42 mi47 min ENE 8 87°F 1006 hPa78°F
SJSN4 - 8537121 - Ship John Shoal, NJ 42 mi47 min 86°F 1005.3 hPa
CHCM2 - 8573927 - Chesapeake City, MD 44 mi47 min SW 7 G 11 86°F 84°F1004.7 hPa

Wind History for Philadelphia, PA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Philadelphia, Philadelphia International Airport, PA7 mi23 minWSW 1510.00 miMostly Cloudy89°F68°F50%1003.9 hPa
Philadelphia, Northeast Philadelphia Airport, PA15 mi23 minSSW 11 G 1710.00 miMostly Cloudy86°F70°F59%1003.9 hPa
Mount Holly, South Jersey Regional Airport, NJ16 mi23 minVar 410.00 miMostly Cloudy86°F71°F61%1003.7 hPa
Philadelphia - Wings Field Airport, PA19 mi22 minSSW 910.00 miMostly Cloudy86°F72°F64%1004.4 hPa

Link to 5 minute data for KPHL

Wind History from PHL (wind in knots)
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Last 24hrNW12NW14W12W17W18SW16SW15SW10SW9SW6S4E4S3CalmS5S7SW9S8SW8S10NW10S9SW12SW15
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2 days agoS8S5S10S5S7SW5CalmS73SE4SE3CalmSE3E3SE3S5E5CalmCalmSE6SE83SE8SE8

Tide / Current Tables for Westville, Rt. 47 bridge, Big Timber Creek, New Jersey
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Westville
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Sat -- 12:06 AM EDT     Moonrise
Sat -- 01:25 AM EDT     1.06 feet Low Tide
Sat -- 05:42 AM EDT     Sunrise
Sat -- 06:56 AM EDT     5.90 feet High Tide
Sat -- 11:59 AM EDT     Moonset
Sat -- 01:56 PM EDT     0.69 feet Low Tide
Sat -- 07:37 PM EDT     5.51 feet High Tide
Sat -- 08:29 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.71.11.22.4455.65.95.54.53.52.51.710.71.32.844.75.45.54.83.93

Tide / Current Tables for Philadelphia, Pennsylvania Current
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Philadelphia
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Sat -- 12:06 AM EDT     Moonrise
Sat -- 01:50 AM EDT     0.00 knots Slack
Sat -- 03:38 AM EDT     1.42 knots Max Flood
Sat -- 05:41 AM EDT     Sunrise
Sat -- 07:01 AM EDT     -0.00 knots Slack
Sat -- 10:03 AM EDT     -1.66 knots Max Ebb
Sat -- 11:59 AM EDT     Moonset
Sat -- 02:30 PM EDT     0.00 knots Slack
Sat -- 04:09 PM EDT     1.16 knots Max Flood
Sat -- 07:41 PM EDT     -0.00 knots Slack
Sat -- 08:29 PM EDT     Sunset
Sat -- 10:42 PM EDT     -1.55 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1-0.70.21.21.40.90.60-0.9-1.5-1.7-1.5-1.2-1-0.50.51.210.80.5-0.3-1.1-1.5-1.5

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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Wind Forecast for Philadelphia/Mount Holly, PA (17,4,5,8)
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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.