Wednesday, August12, 2020
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Marine Weather and Tides
North Wildwood, 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 6:06AMSunset 7:58PM Wednesday August 12, 2020 7:11 PM EDT (23:11 UTC) Moonrise 12:14AMMoonset 2:36PM Illumination 34% Phase: Waning Crescent; Moon at 24 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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ANZ453 Coastal Waters From Great Egg Inlet To Cape May Nj Out 20 Nm- 702 Pm Edt Wed Aug 12 2020
Tonight..S winds around 5 kt. Seas 2 ft or less. A slight chance of tstms until early morning. Patchy fog after midnight with vsby 1 to 3 nm. SWell mainly from the se with a dominant period of 10 seconds.
Thu..SE winds around 5 kt. Seas 2 ft or less. Patchy fog early in the morning. A chance of tstms in the afternoon. Vsby 1 to 3 nm early in the morning. SWell mainly from the se with a dominant period of 9 seconds.
Thu night..E winds around 5 kt. Seas 2 ft or less. A chance of tstms early in the evening. A chance of showers in the late evening and overnight. SWell mainly from the se with a dominant period of 9 seconds.
Fri..E winds 5 to 10 kt. Seas 2 ft or less, then around 3 ft in the afternoon. A chance of showers in the morning, then a chance of tstms in the afternoon. SWell mainly from the se with a dominant period of 9 seconds.
Fri night..NE winds around 10 kt. Seas around 3 ft. A chance of tstms in the evening, then a chance of showers after midnight.
Sat..NE winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers.
Sat night..E winds around 15 kt with gusts up to 25 kt. Seas 5 to 6 ft. A chance of showers in the evening.
Sun..E winds around 15 kt. Seas 5 to 6 ft. A chance of showers in the afternoon.
Sun night..SE winds 10 to 15 kt. Seas 4 to 6 ft. A chance of showers.
Mon..S winds around 10 kt. Seas 3 to 5 ft. A chance of showers.
Mon night..SW winds 5 to 10 kt, becoming W after midnight. Seas 3 to 4 ft. A chance of showers. Winds and seas higher in and near tstms.
ANZ400 702 Pm Edt Wed Aug 12 2020
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. A cold front will remain stalled over our area through at least Friday. SEveral areas of low pressure will develop and track along this front through the weekend, while high pressure will build to our north. The boundary may return to our area Sunday into early next week as a low moves through canada while a second low forms along the boundary to our south.


7 Day Forecast for Marine Location Near North Wildwood, NJ
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location: 38.85, -74.45     debug


Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 122223 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 623 PM EDT Wed Aug 12 2020

SYNOPSIS. A cold front will remain stalled over our area through at least Friday. Several areas of low pressure will develop and track along this front through the weekend, while high pressure will build to our north. The boundary may return to our area Sunday into early next week as a low moves through Canada while a second low forms along the boundary to our south.

NEAR TERM /UNTIL 6 AM THURSDAY MORNING/. Showers and thunderstorms are tapering off and losing their intensity as the airmass becomes more stable as temps fall off. Heaviest rain and strongest thunderstorms just on the other side of the WFO PHI western border, as those storms are firing off of an old outflow boundary.

Some shortwave energy will begin approaching from the southwest later in the night, so some showers or an isolated thunderstorm will be possible, especially heading towards daybreak. And with so much moisture, cannot rule out general pop up showers just about anywhere. The atmosphere will be pretty worked over from convection today. Will also once again be watching for patchy fog and low stratus development. Despite potential for higher level cloudiness, the plentiful low level moisture and nearly calm winds should favor another round of this tonight, and have added that mention into the grids. Otherwise, warm and muggy once again with lows mainly in the low 70s.

SHORT TERM /6 AM THURSDAY MORNING THROUGH 6 PM THURSDAY/. A similar story synoptically on Thursday as on Wednesday as a stalled frontal boundary remains over the area, making little if any southeastward progress. Another unsettled day is likely. Several questions with regard to the extent of convection, however. Cloud cover is likely to be much greater on Thursday compared to Wednesday morning, and will keep highs mainly in the low to mid 80s. Morning fog and low clouds may also take an extra hour or two to lift versus prior days. So instability will be considerably lower. In addition, the atmosphere may remain somewhat worked over from the prior day's activity. So these are negatives for convection. However, we also have a fairly robust, convectively enhanced shortwave approaching from the southwest on Thursday. Lift is likely to be better than on Wednesday, and the approaching shortwave will help increase deep layer shear up from near zero to around 20 to 25 kt along and south of the front. The one thing not in question is moisture, which if anything will be greater than on Wednesday with PWATs mainly above 2 inches across the area.

So putting it all together, another day where at least scattered showers and thunderstorms are likely. While possible over most of the region, they should mainly favor the areas that saw the greatest coverage on Wednesday. Despite the improved lift and shear, the weaker instability will likely be a major hindrance to severe weather, and expect that threat to be less than on Wednesday. Storm coverage in general should be at least somewhat lower as well. However, with the rich moisture and deep warm cloud layers, heavy rain will once again be a concern. This will be especially true if the same areas receiving recent heavy rains get hit yet again. Not confident enough in storm coverage at this point to extend the Flash Flood Watch, but this will need to be reevaluated.

LONG TERM /THURSDAY NIGHT THROUGH WEDNESDAY/. Synoptic Overview .

The start of the extended will feature a a pair of H5 ridges centered over the SW and SE US, while to the north of these features a succession of shortwave ridges and troughs will be passing through the Central/Northern US and Southern Canada. For our area the most impactful shortwave is currently centered near Arkansas/Missouri. This wave will only very slowly progress eastward over the next few days, while a fairly amplified (but progressive) ridge develops to its north. Although the wave itself may not reach our area until Sunday/early next week numerous vort maxes will eject out ahead of it into our area (the most potent likely impacting us on Thursday). A more amplified trough will push the Canadian ridge eastward Sunday into Monday, and this trough should ultimately absorb the aforementioned southern shortwave. By early next week the overall synoptic pattern over the US will then become characterized by an amplified ridge over the western US and a longwave trough over the eastern US, with various shortwaves pivoting SEwrd around the base of the larger trough towards our area.

At the surface the cold front from today will only very slowly progress southward with its thermal/moisture gradients washing out somewhat over the first few days of the long term. Guidance has become more bullish on developing a stronger frontal low south of our area on Friday, and that low combined with the High over eastern Canada will promote a somewhat drier E-NE flow Friday into Saturday. By early next week another frontal low will form to our south and begin to phase with a stronger low in Canada. It is possible the boundary returns northward towards our area in this time period and there could also be a cold frontal passage associated with the northern low, but details remain nebulous.

Dailies .

Friday/Saturday . The current suite of guidance paints a relatively drier picture for this period as High Pressure builds to our north, and the boundary is pushed south. This is a somewhat different evolution than guidance had been depicting the past couple nights so only partially cut PoPs with this package, but it is possible they can be decreased further if guidance continues coming in with this drier solution. Generally expect temperatures to stay on the mild side given the prevailing onshore flow and cloud cover, with highs generally in the low to possibly mid 80s. Although dewpoints will almost certainly come down relative to Wed/Thursday just how much is still a question. Went with a blend this forecast package, however some of the drier guidance does hint at dewpoints dropping into the 50s for the northern portion of our area on Saturday.

Sunday-Tuesday . Things will likely get more active in this period as the High to our north moves away and we potentially feel the influence of both a frontal low to our south and a northern branch low passing over Canada. Given the uncertainty of how/when these features would interact and any frontal passages went with a fairly middle of the road approach for PoPs (generally mid-range Chc) for Sunday and Monday. Temps should run near or just below climo through the period. It is possible a more substantial cold front with more notable postfrontal drying will progress through our area on Tuesday but there is considerable spread within the guidance on this aspect.

AVIATION /22Z WEDNESDAY THROUGH MONDAY/. The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.

Tonight . Once SHRA/TSRA come to an end, mainly VFR initially. Patchy fog and/or low stratus development is likely again tonight, and have reflected that in the TAFs. Areas of IFR conditions are likely but it is too early to pinpoint them. Winds light and variable or calm. Moderate confidence, except low confidence in how widespread fog and low stratus will be.

Thursday . Prevailing VFR, however sub-VFR fog or low stratus could linger through about 14z. Showers and thunderstorms are also possible again on Thursday, especially near and southeast of PHL. Winds mainly E at around 5 kt, but may be light and variable or calm at times. Moderate confidence.

Outlook .

Friday and Saturday . Mostly VFR although some storms will be possible (mostly on Friday), also can't rule out some restrictions in lower clouds in the morning. East-northeast winds 5-10kts on Friday, with easterly winds around 10 kts on Saturday. Moderate confidence.

Sunday . A chance of showers of thunderstorms in the afternoon. East-southeast winds 5-10kts. Moderate confidence.

MARINE. Through Thursday . Sub-SCA conditions are expected with seas less than 3 ft. Winds mainly from the S or SW, then becoming SE on Thursday, with speeds around 10 kt. Areas of fog are possible overnight. Scattered tstms are possible on Thursday with locally higher winds and seas.

Outlook .

Friday through Sunday . An increasing onshore flow and building seas later Friday may require a SCA by Friday night with potential SCA conditions continuing through Sunday. Thunderstorms are possible (primarily on Friday), which could produce locally higher winds and waves.

Rip Currents .

The low risk for the formation of dangerous rip currents is expected to continue today and Thursday. Breaking waves are forecast to be less than 2 feet with a medium period swell from the southeast.

PHI WATCHES/WARNINGS/ADVISORIES. PA . Flash Flood Watch until 11 PM EDT this evening for PAZ070-071- 101>104. NJ . Flash Flood Watch until 11 PM EDT this evening for NJZ016>019- 021. DE . Flash Flood Watch until 11 PM EDT this evening for DEZ001>003. MD . Flash Flood Watch until 11 PM EDT this evening for MDZ008-012- 015-019-020. MARINE . None.

Synopsis . Carr Near Term . MPS/O'Brien Short Term . O'Brien Long Term . Carr Aviation . Carr/O'Brien Marine . Carr/O'Brien


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CMAN4 - 8536110 - Cape May, NJ 28 mi54 min E 2.9 G 4.1 78°F 74°F1016.3 hPa
44009 - DELAWARE BAY 26 NM Southeast of Cape May, NJ 30 mi82 min 1 ft
ACYN4 - 8534720 - Atlantic City, NJ 35 mi54 min 76°F 68°F1017.2 hPa
BRND1 - 8555889 - Brandywine Shoal Light, DE 36 mi54 min NNE 4.1 G 6
LWSD1 - 8557380 - Lewes, DE 36 mi54 min SE 1.9 G 4.1 77°F 73°F1017.2 hPa
JCRN4 - Jacques Cousteau Reserve, NJ 47 mi42 min Calm 78°F 1018 hPa74°F

Wind History for Cape May, NJ
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wildwood, Cape May County Airport, NJ26 mi16 minSSE 510.00 miFair79°F73°F85%1017.2 hPa

Link to 5 minute data for KWWD

Wind History from WWD (wind in knots)
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Last 24hrS11S9S7S7S7S5S4S4S3CalmCalmS3SW5SW6SW5S6S6S8S12S15S10NW7N5S5
1 day ago--------------------------------S10S10S14S10S7S12S12S13
2 days ago------------------------------------------------

Tide / Current Tables for Waretown, Barnegat Bay, New Jersey
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Waretown
Click for Map
Wed -- 12:12 AM EDT     Moonrise
Wed -- 04:48 AM EDT     0.50 feet High Tide
Wed -- 06:08 AM EDT     Sunrise
Wed -- 11:32 AM EDT     0.13 feet Low Tide
Wed -- 02:35 PM EDT     Moonset
Wed -- 05:20 PM EDT     0.57 feet High Tide
Wed -- 07:54 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.20.30.40.50.50.50.40.30.20.20.10.10.20.30.40.50.60.60.50.40.30.30.2

Tide / Current Tables for Wildwood Crest, Sunset Lake, New Jersey
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Wildwood Crest
Click for Map
Wed -- 12:14 AM EDT     Moonrise
Wed -- 02:57 AM EDT     3.81 feet High Tide
Wed -- 06:10 AM EDT     Sunrise
Wed -- 08:48 AM EDT     0.99 feet Low Tide
Wed -- 02:38 PM EDT     Moonset
Wed -- 03:21 PM EDT     4.40 feet High Tide
Wed -- 07:57 PM EDT     Sunset
Wed -- 10:01 PM EDT     1.24 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.73.33.73.83.62.921.41.111.21.92.83.64.14.44.33.83.12.31.81.41.21.4

Weather Map
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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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Wind Forecast for Philadelphia/Mount Holly, PA (19,4,5,8)
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Ground Weather Radar Station Dover AFB, DE
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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.