Saturday, February29, 2020
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Marine Weather and Tides
New Castle, DE

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 6:34AMSunset 5:55PM Saturday February 29, 2020 2:51 AM EST (07:51 UTC) Moonrise 9:41AMMoonset 11:40PM Illumination 32% Phase: Waxing Crescent; Moon at 6 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- 1245 Am Est Sat Feb 29 2020
.small craft advisory in effect from 9 am est this morning through late tonight...
Today..W winds 15 to 20 kt, diminishing to 10 to 15 kt early this morning, then becoming nw 15 to 20 kt late this morning and afternoon. Gusts up to 25 kt. Waves 2 ft or less, then around 3 ft early this afternoon.
Tonight..NW winds 15 to 20 kt, diminishing to 10 to 15 kt late. Gusts up to 25 kt. Waves around 3 ft in the evening, then 2 ft or less.
Sun..W winds 10 to 15 kt. Gusts up to 20 kt until late afternoon. Waves 2 ft or less.
Sun night..SW winds 5 to 10 kt. Waves 2 ft or less.
Mon..SW winds around 10 kt. Gusts up to 20 kt in the afternoon. Waves 2 ft or less.
Mon night..SW winds around 10 kt with gusts up to 20 kt. Waves 2 ft or less. A chance of rain in the evening.
Tue..SW winds 5 to 10 kt. Waves 2 ft or less. A chance of rain.
Tue night..SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Waves 2 ft or less. A chance of rain in the evening, then rain likely after midnight.
Wed..SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 ft or less. A chance of rain.
Wed night..W winds around 10 kt with gusts up to 20 kt. Waves 2 ft or less. A chance of rain.
ANZ400 1245 Am Est Sat Feb 29 2020
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. An upper level trough over new england will slowly push to the north as east as high pressure builds through the weekend. High pressure crests Sunday and begins to slide offshore Sunday as low pressure makes a return by mid week. A series of weak disturbances will slide along a stalled frontal boundary keeping for forecast pattern rather unsettled next week.


7 Day Forecast for Marine Location Near New Castle, DE
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location: 39.66, -75.56     debug


Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 290600 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 100 AM EST Sat Feb 29 2020

SYNOPSIS. An upper level trough over New England will slowly push to the north as east as high pressure builds through the weekend. High pressure crests Sunday and begins to slide offshore Sunday as low pressure makes a return by mid week. A series of weak disturbances will slide along a stalled frontal boundary keeping for forecast pattern rather unsettled next week.

NEAR TERM /UNTIL 6 AM THIS MORNING/. Light snow showers and flurries have pretty much ended, with only a few stratocumulus remaining through the overnight. and Drier air with surface dewpoints falling into the single digits up north and in the teens down south will continue to spread into the region overnight.

Lows tonight will fall into the teens for the N/W areas and low/mid 20s for the Lehigh Valley and N NJ. For Delmarva and metro Philadelphia, low will mostly be in the upper 20s. Winds will relax a bit overnight, but still be mostly 5 to 10 mph overnight.

SHORT TERM /6 AM THIS MORNING THROUGH 6 PM SUNDAY/. High pressure across the Mississippi Valley early Sat will begin to move towards the Ohio Valley by afternoon. This will bring more cold dry air across our area. Highs Sat will probably be a few degrees colder than today (Friday). Some snow showers across the Great Lakes and upstate NY will probably find their way into the Southern Poconos with the upper winds turning more NW ahead of the approaching high.

LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/. The upper level closed low over New England will finally start to push east Saturday evening allow for the center high pressure to drift east during the day on Sunday. This should set up for a pleasant day on Sunday even with temps sitting in the mid 40s across the region.

High pressure begins to drift offshore Sunday evening as an upper level low tracks through southern Canada eventually stalling a frontal boundary across the eastern CONUS. There will be several waves of low pressure that ride along that boundary through next week however with the lack of significant forcing, the model spread on timing is frankly all over the place. Thus I've opted for continuity in the forecast in keeping the mention of chances for rain daily from Monday night onwards through the middle of next week although I wouldn't single any day out as a washout.

Temps will be warming through the middle of the week with mid 60s on Wednesday with lows doing much of the same warming through the middle of the week peaking Tuesday night in the mid to upper 40s. A cold front finally presses through Wednesday evening and we return to more normal temps to end the week.

AVIATION /06Z SATURDAY THROUGH WEDNESDAY/. The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.

VFR conditions with a few low clouds down to 045 with a similar pattern to Friday with a few scattered flurries and snow showers. West winds up to 15 knots with gusts increasing to 20-25 knots after 15Z. Winds turning northwesterly after 23Z.

Outlook .

Saturday night through Sunday night . VFR conditions expected. Northwesterly winds 10 to 20 kt on Saturday becoming westerly 5 to 15 kt on Sunday. Moderate Confidence.

Monday through Tuesday . Beginning Monday afternoon, there is a chance for periods of MVFR or even IFR conditions as rain moves into the region. Moderate confidence that all TAF sites will see rain, but low confidence if this will translate to a prolonged period of MVFR/IFR conditions.

MARINE. Sub-SCA conditions on tap through the overnight.

Conditions increasing back to advisory criteria after a short break with winds increasing from 10 to 20 knots overnight to 20 to 30 knots during the day. Seas building to 3 to 5 feet.

Outlook .

Saturday Night: SCA expected with northwesterly wind gusts to 30 kt. Wave heights generally 3 to 5 feet.

Sunday: SCA expected. Wind gusts to 25 kt. Wave heights up to 4 feet.

Sunday Night: SCA eventually relaxing to Sub-SCA. Wind gusts to 20 kt. Wave heights decreasing to below 5 feet overnight.

Monday: SCA conditions expected with southerly wind gusts to 20 kt. Wave heights will be building to 6 feet. Slight chance SHRA.

Monday Night: SCA conditions expected. Southerly wind gusts to 20 kt. Wave heights up to 6 feet. Chance SHRA.

Tuesday: SCA conditions possible with south southwesterly wind gusts to 25 kt. Wave heights up to 4 feet. Chance SHRA.

Tuesday Night: SCA Conditions possible. Wind gusts to 25 kt. Wave heights up to 7 feet. Chance SHRA.

PHI WATCHES/WARNINGS/ADVISORIES. PA . None. NJ . None. DE . None. MD . None. MARINE . Small Craft Advisory from 9 AM this morning to 6 AM EST Sunday for ANZ430-431-450>455.

Synopsis . Deal Near Term . Davis/MPS/O'Hara Short Term . O'Hara Long Term . Deal Aviation . Davis/Deal/O'Hara Marine . Davis/Deal/MPS/O'Hara


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
DELD1 - 8551762 - Delaware City, DE 6 mi52 min NW 5.1 G 6 32°F 46°F1012.5 hPa (+0.0)
RDYD1 - 8551910 - Reedy Point, DE 7 mi52 min 32°F 41°F1012 hPa (+0.0)
MRCP1 - 8540433 - Marcus Hook, PA 13 mi52 min 32°F 41°F1012.1 hPa (+0.0)
CHCM2 - 8573927 - Chesapeake City, MD 16 mi52 min W 7 G 11 34°F 41°F1012.7 hPa (+0.0)
SJSN4 - 8537121 - Ship John Shoal, NJ 26 mi52 min WNW 17 G 20 35°F 1012.5 hPa (-0.3)
PHBP1 - 8545240 - Philadelphia, PA 29 mi52 min 32°F 40°F1011.9 hPa (+0.3)
BDSP1 34 mi52 min 32°F 1012.5 hPa (+0.3)
BDRN4 - 8539094 - Burlington, Delaware River, NJ 47 mi76 min WNW 4.1 G 7 31°F 42°F1011.7 hPa
TCBM2 - 8573364 - Tolchester Beach, MD 48 mi58 min WNW 17 G 20 36°F 42°F1013.2 hPa

Wind History for Delaware City, DE
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wilmington, New Castle County Airport, DE3 mi2 hrsWNW 1010.00 miA Few Clouds32°F14°F47%1012.6 hPa
Philadelphia, Philadelphia International Airport, PA23 mi2 hrsNNW 1010.00 miMostly Cloudy33°F12°F42%1012.4 hPa

Link to 5 minute data for KILG

Wind History from ILG (wind in knots)
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1 day agoW13
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2 days agoNE5E5NE5NE5E4E6E7SE53SE5SE4E5E6E6E9E9SE9E12E10E8E6
G16
SE93W16
G25

Tide / Current Tables for New Castle, Delaware River, Delaware
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Chesapeake and Delaware Canal, Maryland/Delaware Current
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Chesapeake and Delaware Canal
Click for Map
Sat -- 12:57 AM EST     -0.07 knots Slack
Sat -- 04:17 AM EST     -1.95 knots Max Ebb
Sat -- 06:36 AM EST     Sunrise
Sat -- 07:28 AM EST     0.01 knots Slack
Sat -- 09:42 AM EST     Moonrise
Sat -- 11:09 AM EST     1.95 knots Max Flood
Sat -- 01:50 PM EST     -0.06 knots Slack
Sat -- 04:43 PM EST     -1.63 knots Max Ebb
Sat -- 05:54 PM EST     Sunset
Sat -- 07:22 PM EST     0.05 knots Slack
Sat -- 11:19 PM EST     1.76 knots Max Flood
Sat -- 11:40 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.4-0.3-1.4-1.8-1.9-1.9-1.5-0.80.81.31.71.91.81.3-0.5-1.3-1.6-1.6-1.4-0.70.81.21.51.7

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.
Link to Loop



Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Philadelphia/Mount Holly, PA (2,6,7,8)
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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.