Monday, July6, 2020
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Marine Weather and Tides
Neptune borough, 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 5:31AMSunset 8:30PM Monday July 6, 2020 6:29 PM EDT (22:29 UTC) Moonrise 10:00PMMoonset 6:45AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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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ANZ450 Coastal Waters From Sandy Hook To Manasquan Inlet Nj Out 20 Nm- 402 Pm Edt Mon Jul 6 2020
Tonight..SE winds around 10 kt. Seas around 3 ft. A chance of tstms until early morning, then a chance of showers late. SWell mainly from the S with a dominant period of 7 seconds, becoming mainly from the se with a dominant period of 8 seconds after midnight.
Tue..SE winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers. SWell mainly from the se with a dominant period of 8 seconds.
Tue night..S winds around 10 kt. Seas 3 to 4 ft. A chance of showers early in the evening. SWell mainly from the se with a dominant period of 8 seconds.
Wed..S winds 5 to 10 kt. Seas around 3 ft. SWell mainly from the se with a dominant period of 7 seconds.
Wed night..S winds 5 to 10 kt. Seas around 3 ft.
Thu..SE winds 5 to 10 kt. Seas around 3 ft.
Thu night..SE winds 5 to 10 kt. Seas 3 to 4 ft.
Fri..SE winds around 10 kt. Seas 3 to 5 ft. A chance of tstms.
Fri night..S winds 5 to 10 kt. Seas 4 to 6 ft. A chance of tstms in the evening, then a chance of showers after midnight.
Sat..S winds 5 to 10 kt. Seas 4 to 5 ft. A chance of showers in the morning, then a chance of tstms in the afternoon.
Sat night..SW winds 5 to 10 kt. Seas 3 to 5 ft. A chance of tstms. Winds and seas higher in and near tstms.
ANZ400 402 Pm Edt Mon Jul 6 2020
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. A frontal boundary remains stalled over the region today but will progress north of the area on Tuesday. A summer-like pattern will then persist throughout the week with scattered showers and Thunderstorms expected most days along with above average temperatures. A coastal storm will the region Friday through Saturday as it moves north from the carolinas.


7 Day Forecast for Marine Location Near Neptune borough, NJ
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location: 40.19, -74.03     debug


Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 061958 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 358 PM EDT Mon Jul 6 2020

SYNOPSIS. A frontal boundary remains stalled over the region today but will progress north of the area on Tuesday. A summer-like pattern will then persist throughout the week with scattered showers and thunderstorms expected most days along with above average temperatures. A coastal storm will the region Friday through Saturday as it moves north from the Carolinas.

NEAR TERM /UNTIL 6 AM TUESDAY MORNING/. A very active day continues with numerous severe thunderstorms spreading outwards from initial convection earlier this afternoon across Philadelphia, producing a ring of fire through the CWA, with a dearth in rainfall over portions of Burlington County. Given the inundation of convection and busyness of reports, this discussion is shorter than desired.

SB CAPE values continue into the afternoon as high as 3000-4000 J/kg, and ML MUCAPE values as high as 4000-5000 J/kg. This will continue to fuel the severe thunderstorm potential will continue through the evening hours. Hi- res models are suggesting that cold pools (which have been struggling in the humid airmass) may finally begin to push convection slowly to the south and west into the remainder of the afternoon eventually into portions of Delmarva. With very weak flow aloft and virtually no steering flow, storm motion remains quite challenging. Further interactions with sea and bay breezes look to fuel thunderstorm development across southern NJ and far northern DE. With PWATs still near to above 2 inches, heavy rain will continue with thunderstorms that persist.

Want to reiterate the dangerous flash flooding ongoing in portions of the Philadelphia Metro. Please stay off the roadways as numerous water rescues and road closures are currently ongoing. This is a dangerous situation!

SHORT TERM /6 AM TUESDAY MORNING THROUGH 6 PM TUESDAY/. Convection looks to continue into the daytime tomorrow, thankfully much more reduced than today. The remnant MCV/MCS from today's convection will be highly influential in convective initiation tomorrow. The lack of a shortwave but rather weak mid-level ridging, this should preclude as widespread convection as today. Forecast CAPE values of, dare say, only 2000-3000 J/kg also indicate weaker convection. Flooding with PWAT values still around still between 1.5-2 inches, is possible, especially over areas that saw abundant rainfall today. Highs will be a bit cooler in the mid to upper 80s as the front from today remains situated further south.

LONG TERM /TUESDAY NIGHT THROUGH MONDAY/. Summary: The extended forecast will feature continually active convective weather likely through next weekend, although the primary focus will be the influence of a departing coastal southern stream low Friday and Saturday.

Synoptic pattern: A fairly progressive pattern is expected, synoptically speaking, into this coming weekend. Tuesday will start with an upper trough departing eastward over the north Atlantic then as trough axis moves from the Great Lakes region east toward the Canadian maritimes by early Thursday. Ridging will follow briefly in the trough's wake late Thursday into Friday, then the attention turns to the southern stream trough digging across the Midwest and eventually into the southeast by Saturday. This trough will be the driver of the next synoptically forced system to impact our region into the weekend. Thankfully, it appears that the medium range guidance is coming into better agreement with regard to timing and evolution of the synoptic pattern during this period.

Sensible weather: The main theme for the upcoming long term period is "unsettled." Basically every day will probably feature convection in some way, shape, or form, however the mesoscale details beyond Tuesday are essentially impossible to determine this far out.

Southerly surface flow will persist Tuesday and Wednesday pumping a continual stream of warm and humid air into the region from the south. So it'll be quite warm and humid, but not excessively so. Expect maximum temperatures nearing 90 degrees and minimums around 70 both days along with dewpoints around 70 degrees along with scattered showers and thunderstorms mainly during the late afternoon and evening time frame.

Tuesday's convection and severe weather environmental setup will be similar to today's with the exception of a few things. Lapse rates will be lower (~6 C/km), so there won't be nearly as much of a hail threat. Precipitable water values will be about the same (1.7-1.9"), but the steering flow will be roughly parallel to the main initiating boundary (oriented E-W across central NJ and eastern PA). So flash flooding could be more of a concern. MLCAPE will remain high (~3000 J/kg) south of the boundary with DCAPE locally over 1000 J/kg. Deep layer shear for organization will be considerably less and flow aloft for forcing is also much less than today, so coverage appears to be much lower. Nonetheless, we will need to watch for wet microburst potential and flash flooding threats with Tuesday's convection.

Synoptically speaking, Thursday appears to be the driest day as a somewhat more prominent ridge passes to our north leading to more subsidence locally. With that said, could still see more isolated convective activity on Thursday. Surface flow will turn more southeasterly as a surface low takes shape across the coastal Carolinas. Still expecting highs right around 90 degrees and lows around 70.

Guidance has come into better agreement that the southern stream coastal low will lift north into the Mid-Atlantic Friday and depart Saturday. This system will bring precipitable water values nearing the "extreme" range for this latitude with values of 2.25-2.50" depicted by the GFS. The precipitation evolution of this system is still quite unclear at this time. I suspect there will be some sort of showery tropical band or bands of rain that lifts north across the eastern portion of the forecast area on Friday followed by more diurnally driven convection later in the day as instability builds. Both the GFS and ECMWF keep the highest QPF offshore, but with surface flow turning easterly with high moisture content, it's difficult to believe that QPF amounts will remain low over land.

On Saturday, the surface low will be departing to the north, but the upper trough axis will remain to our west along with a very soupy airmass and diurnally driven instability. So will still expect to see widespread convection with heavy rain potential. The main takeaway is that there is a heavy rain and potentially flash flooding threat with this system. Thankfully the system will be moving quickly, but it's something that will need to be watched closely.

Temperatures are a bit uncertain Friday and Saturday since cloud cover is a big question mark as of now, but with the tropical airmass that will be advected northward, I see no reason why we couldn't still get highs around 90 degrees. As you may have guessed, dewpoints will rise into the mid 70s Friday and Saturday, so it'll be quite uncomfortably humid regardless of the temperature. Long story short, expect Friday and Saturday to be very warm, wet, and humid.

Without any sort of strong cold front in the wake of this system, it'll likely remain quite warm and humid into early next week.

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

Into the early evening. Showers and thunderstorms across the Delaware Valley area with lower CIGS/VSBYS diminishing this evening. Other TAF sites with VFR and VCTS/VCSH.

Tonight. Scattered showers and tstms will decrease after sunset with VFR returning. Later tonight, fog will develop at the terminals that received rains today. MVFR at these terminals with IFR psbl. Light winds.

Tuesday. Early fog then VFR returning. More showers and tstms developing with lower CIGS/VSBYS possible. Difficult to determine which TAF sites will be impacted. Mostly south winds around 10 knots outside of tstms.

Outlook .

Tuesday through Thursday . Prevailing VFR expected, however scattered showers and thunderstorms, generally between 18Z and 06Z each day, may locally lower restrictions. Winds will be generally southerly around 5-10 kts.

Friday . MVFR ceilings probable with southeasterly to easterly winds around 5-10 kts. Scattered moderate to locally heavy showers with embedded thunderstorms will lower visibility and ceiling restrictions locally.

MARINE. Winds and seas will remain below SCA conditions tonight and Tuesday. Winds may gust around 20 knots at times though. The main hazard through the period will be thunderstorms with gusty winds and locally higher seas.

Outlook .

Conditions are forecast to remain below advisory criteria through Thursday, however southerly winds may gust up to 20 kts at times. Seas will be generally 2-3 feet. Afternoon and evening showers and thunderstorms are possible Tuesday through Thursday, which may locally increase winds and seas.

On Friday, seas will build and may exceed 5 feet as winds become easterly and increase to 15 kts with higher gusts possible. Small Craft Advisory conditions are possible on Friday.

Rip Currents .

There is a low risk for the development of dangerous and life threatening rip currents today through Tuesday. However, conditions may be locally moderate near the times of low tide owing to increasing southerly flow through the period.

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 . Flash Flood Watch until 9 PM EDT this evening for PAZ070-071- 102-104-106. NJ . Flash Flood Watch until 9 PM EDT this evening for NJZ015>019. DE . Flash Flood Watch until 9 PM EDT this evening for DEZ001. MD . Flash Flood Watch until 9 PM EDT this evening for MDZ008. MARINE . None.

Synopsis . Staarmann Near Term . Davis Short Term . Davis Long Term . Staarmann Aviation . O'Hara/Staarmann Marine . O'Hara/Staarmann Equipment . WFO PHI


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SDHN4 - 8531680 - Sandy Hook, NJ 19 mi59 min WSW 4.1 G 5.1 74°F 76°F1019 hPa
44065 - Entrance to New York Harbor 21 mi39 min NW 9.7 G 12 3 ft1017.7 hPa
44091 32 mi63 min 76°F2 ft
BGNN4 - 8519483 - Bergen Point West Reach, NJ 32 mi59 min 72°F 77°F1017.9 hPa
MHRN6 32 mi59 min E 7 G 8
ROBN4 - 8530973 - Robins Reef, NJ 32 mi59 min E 7 G 8.9 73°F 1018.4 hPa
BATN6 - 8518750 - The Battery, NY 35 mi59 min 73°F 74°F1018.3 hPa
NBLP1 - 8548989 - Newbold, PA 38 mi59 min S 5.1 G 8 71°F 82°F1017.7 hPa
BDRN4 - 8539094 - Burlington, Delaware River, NJ 45 mi53 min ESE 2.9 G 6 70°F 82°F1016.6 hPa
KPTN6 - 8516945 - Kings Point, NY 45 mi59 min N 1 G 1.9 72°F 1019.2 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 46 mi39 min NE 7.8 G 18 73°F 77°F3 ft1019 hPa69°F

Wind History for Sandy Hook, NJ
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Belmar-Farmingdale, NJ5 mi33 minW 310.00 miA Few Clouds70°F0°F%1018.1 hPa
Lakehurst Naval Air Station, NJ19 mi89 minno data10.00 miThunderstorm0°F0°F%1017.6 hPa
Miller Air Park, NJ23 mi33 minE 410.00 miThunderstorm in Vicinity Light Rain68°F64°F90%1018.1 hPa

Link to 5 minute data for KBLM

Wind History from BLM (wind in knots)
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Last 24hrCalmS3S5SW5SW4SW4SW5SW6SW4SW5SW5SW5W4W5W8CalmSW54E8E9S8SW6SW6W3
1 day agoS5SE5SE7SE4S3S3S4CalmS3SW4SW5E5S6S6SW6W6W6CalmW8NW7NW7E10SE8SE6
2 days agoSE5E10E11E7SE4E5E5E6NE5NE6NE7NE5NE6NE7N9NE65NW7E3E7E7E6SE6SE5

Tide / Current Tables for Shark River Hills, New Jersey
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Shark River Hills
Click for Map
Mon -- 03:28 AM EDT     -0.38 feet Low Tide
Mon -- 05:33 AM EDT     Sunrise
Mon -- 06:45 AM EDT     Moonset
Mon -- 09:18 AM EDT     4.52 feet High Tide
Mon -- 03:30 PM EDT     0.13 feet Low Tide
Mon -- 08:28 PM EDT     Sunset
Mon -- 09:34 PM EDT     5.50 feet High Tide
Mon -- 09:59 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.81.50.4-0.3-0.30.51.8344.54.43.72.71.70.80.20.212.33.64.75.45.44.8

Tide / Current Tables for Brielle, Route 35 bridge, Manasquan River, New Jersey
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Weather Map
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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 (18,4,5,8)
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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.