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Marine Weather and Tides
Version 3.4 |
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome. 10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name. |
| Sunrise 5:37AM | Sunset 8:19PM | Saturday May 25, 2019 11:27 PM EDT (03:27 UTC) | Moonrise 12:18AM | Moonset 10:35AM | Illumination 54% |  |
ANZ430 Delaware Bay Waters North Of East Point Nj To Slaughter Beach De- 925 Pm Edt Sat May 25 2019
Overnight..S winds 10 to 15 kt, becoming sw 5 to 10 kt late. Waves 2 ft or less. Scattered showers and tstms.
Sun..W winds 5 to 10 kt. Waves 2 ft or less. A chance of showers and tstms late.
Sun night..NW winds 5 to 10 kt. Waves 2 ft or less. A chance of tstms early in the evening. A chance of showers.
Mon..E winds around 5 kt. Waves 2 ft or less. A chance of showers early in the morning.
Mon night..SE winds around 5 kt. Waves 2 ft or less.
Tue..S winds 5 to 10 kt. Waves 2 ft or less. A chance of showers and tstms.
Tue night..SW winds 5 to 10 kt. Waves 2 ft or less. A chance of showers and tstms in the evening.
Wed..W winds around 5 kt, becoming sw in the afternoon. Waves 2 ft or less.
Wed night..SW winds 5 to 10 kt. Waves 2 ft or less.
Thu..W winds 5 to 10 kt. Waves 2 ft or less. A chance of showers and tstms in the afternoon.
Thu night..W winds 5 to 10 kt. Waves 2 ft or less. A chance of showers and tstms. Winds and waves higher in and near tstms.
Overnight..S winds 10 to 15 kt, becoming sw 5 to 10 kt late. Waves 2 ft or less. Scattered showers and tstms.
Sun..W winds 5 to 10 kt. Waves 2 ft or less. A chance of showers and tstms late.
Sun night..NW winds 5 to 10 kt. Waves 2 ft or less. A chance of tstms early in the evening. A chance of showers.
Mon..E winds around 5 kt. Waves 2 ft or less. A chance of showers early in the morning.
Mon night..SE winds around 5 kt. Waves 2 ft or less.
Tue..S winds 5 to 10 kt. Waves 2 ft or less. A chance of showers and tstms.
Tue night..SW winds 5 to 10 kt. Waves 2 ft or less. A chance of showers and tstms in the evening.
Wed..W winds around 5 kt, becoming sw in the afternoon. Waves 2 ft or less.
Wed night..SW winds 5 to 10 kt. Waves 2 ft or less.
Thu..W winds 5 to 10 kt. Waves 2 ft or less. A chance of showers and tstms in the afternoon.
Thu night..W winds 5 to 10 kt. Waves 2 ft or less. A chance of showers and tstms. Winds and waves higher in and near tstms.
ANZ400 925 Pm Edt Sat May 25 2019
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. A warm front will continue to lift through the area as high pressure moves further offshore. A chance for rain showers and Thunderstorms returns as a cold front passes through the region tomorrow afternoon and evening. A rather unsettled pattern through next week as a series of disturbances travel across the great lakes into the northeast with warm weather otherwise prevailing.
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. A warm front will continue to lift through the area as high pressure moves further offshore. A chance for rain showers and Thunderstorms returns as a cold front passes through the region tomorrow afternoon and evening. A rather unsettled pattern through next week as a series of disturbances travel across the great lakes into the northeast with warm weather otherwise prevailing.
7 Day Forecast for Marine Location Near Eddystone , PA
Hourly EDIT Helplocation: 39.86, -75.31 debug
Area Discussion for - Philadelphia/Mount Holly, PA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kphi 260130 afdphi area forecast discussion national weather service mount holly nj 930 pm edt Sat may 25 2019 Synopsis A warm front will continue to lift through the area as high pressure moves further offshore. A chance for rain showers and thunderstorms returns as a cold front passes through the region tomorrow afternoon and evening. A rather unsettled pattern through next week as a series of disturbances travel across the great lakes into the northeast with warm weather otherwise prevailing. Near term until 6 am Sunday morning Showers and thunderstorms extended from central pennsylvania down into west virginia around 9:30 pm. A mid level impulse associated with the precipitation will continue to work its way eastward, along with a surface warm front. The mid level feature is expected to pass over our region between about midnight and 3:00 am with the warm front passing closer to dawn. We are anticipating an increasing potential for showers and scattered thunderstorms with most of the precipitation that falls in our region occurring between about 11:00 pm and 4:00 am. Any linger showers and thunderstorms should be off the coast by 5:00 am. The mid level impulse should keep the showers and thunderstorms somewhat intact by the time they reach our forecast area, even with the loss of daytime heating. However, the relatively stable conditions in our region should help to weaken the showers and thunderstorms a bit. A south wind around 5 to 10 mph this evening is forecast to become southwest to west late tonight. Low temperatures are expected to favor the 60s. Short term 6 am Sunday morning through 6 pm Sunday Tomorrow could be the warmest day of the year so far for much of the area. With the warm, moist air mass in place, temperatures near 90 will be possible for the delaware valley and coastal plains. Further west, highs will only be a few degrees lower in the upper 80s. Unsurprisingly, with this airmass in place, there is a chance for thunderstorms across the region. A trough will set up, and remain over our region through the day. Confluence along this trough could serve as the focus for convective initiation. Additionally, if we do have low clouds overnight, differential heating boundaries could develop Sunday morning as the low clouds erode. Initially the mid levels (from 800 to 600 mb) will be quite dry which should limit convective initiation, at least initially. Many models are depicting little, if any, qpf, because of a combination of the potential for a cap into late afternoon, and the fact that there is limited synoptic scale lift until much later when the cold front approaches. Given that much of the lift may come with mesoscale features (which would not be picked up by the coarser resolution models), forecast pops are higher than most guidance, with a general 30 to 40 percent across the region. If thunderstorms develop during the afternoon, there will be a marginal risk for severe storms, especially in DELMARVA which should have more unstable air in place. If any storms become severe, the primary hazard would be damaging winds, as wind shear in the lowest km will be too low for much of a tornado threat, and the very warm boundary layer could limit the hail threat. Long term Sunday night through Saturday Overview: the all-too-familiar pattern continues, at least to start the upcoming week featuring a stubborn longwave trough over the western u.S. And a ridge across the southeast. A series of shortwave troughs will circumnavigate the ridge to our south over the beginning portion of the week, bringing several chances for showers and thunderstorms. Again, placement and strength of convection over the plains will have an influence on the exact placement of the quasi-stationary front that looks to set itself up over and just to the north of our cwa. In other news, warm and humid weather looks to arrive just in time for the unofficial start to the summer season. By Thursday, there are signs that the pattern may begin to break as a shortwave trough begins to amplify a developing longwave trough across eastern canada. Dailies: a weak impulse moves across the region along the stalled front on Monday, bringing the chance for some showers and thunderstorms in the morning. Seasonable with highs near 80. Tuesday, a stronger shortwave trough and surface low moves along the front just to our north, thus a higher likelihood of showers and thunderstorms. Similar temperatures to Monday. |
The front remains draped across the northern half of the cwa Wednesday, thus there is a continued chance for showers and thunderstorms, especially for the lehigh valley, southern poconos, and NW nj. Highs will be noticeably warmer, perhaps the warmest this year with many places topping out near or just above 90, with the exception of areas remaining in precipitation across the northern portion of the cwa. Another warm day Thursday as the front looks to remain north of most of the area, but another shortwave trough and surface low look to push a cold front across the great lakes and into the mid-atlantic, thus ending our possible two-day spell in the 90s. Another round of showers and thunderstorms will be possible as the cold front moves through the region. There is the chance a few of these could be on the stronger side, so will need to monitor this as the week progresses. Highs may be a few degrees cooler depending on cloud and precipitation coverage. Slightly cooler weather returns to close out the week on Friday and Saturday as the cold front moves offshore. Highs look to sit near 80 with just a slight chance for a few scattered showers and thunderstorms. Aviation 02z Sunday through Thursday The following discussion is for kphl, kpne, kttn, kabe, krdg, kilg, kmiv, kacy and surrounding areas. Overnight... MainlyVFR through about 03z. Showers and scattered thunderstorms between about 03z and 08z will produce MVFR ifr conditions at some locations. Lingering MVFR conditions are expected after 08z. South wind around 8 to 12 knots becoming southwest 4 to 8 knots. Sunday... Lingering MVFR conditions through about 12z, otherwise vfr with scattered clouds. There is a chance of afternoon showers and thunderstorms but their timing and potential coverage is a low confidence forecast. They will not be mentioned in the taf. West wind increasing to 8 to 12 knots with gusts around 20 knots. Outlook... Monday...VFR expected with light and variable winds trending a northerly direction. Tuesday... GenerallyVFR, though cig and vsby restriction possible with showers and thunderstorms. Southerly winds 10 to 15 knots with gusts to 15 knots possible. Wednesday... GenerallyVFR, more cig and vsby restrictions are possible with scattered showers and thunderstorms, especially to the north. Southwesterly winds 5 to 10 knots turning more southerly with gusts to 15 knots possible. Thursday...VFR with restrictions to MVFR or even ifr with scattered showers and thunderstorms. Winds out of the southwest 5 to 10 knots, with gusts to 20 knots possible. Marine Winds and seas are expected to remain below small craft advisory criteria tonight and Sunday. Southerly gusts above 20 kt are possible especially on the southern atlantic coastal waters late tonight. Outlook... Monday through Wednesday... Sub SCA conditions expected with south to southwesterly winds 10 to 15 knots. A few gusts to 20 knots possible, especially across the northern atlantic zones Tuesday afternoon. Seas 2 to 4 feet. Thursday... SCA conditions possible with seas 3 to 5 feet. Winds 10 to 15 knots with gusts to 18 knots possible. Rip currents... the risk for the formation of dangerous rip currents is low through this evening. The low risk may continue into the day tomorrow. Phi watches warnings advisories Pa... None. Nj... None. De... None. Md... None. Marine... None. Synopsis... Davis near term... Iovino short term... Johnson long term... Davis aviation... Davis iovino marine... Davis johnson |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| MRCP1 - 8540433 - Marcus Hook, PA | 7 mi | 46 min | 64°F | 66°F | 1018 hPa | |||
| PHBP1 - 8545240 - Philadelphia, PA | 10 mi | 46 min | 65°F | 67°F | 1018 hPa | |||
| BDSP1 | 15 mi | 46 min | 64°F | 68°F | 1018.6 hPa | |||
| DELD1 - 8551762 - Delaware City, DE | 24 mi | 46 min | S 7 G 11 | 65°F | 64°F | 1018.1 hPa | ||
| RDYD1 - 8551910 - Reedy Point, DE | 25 mi | 46 min | 1017.6 hPa | |||||
| BDRN4 - 8539094 - Burlington, Delaware River, NJ | 28 mi | 52 min | SSW 8 G 11 | 63°F | 66°F | 1018.3 hPa | ||
| CHCM2 - 8573927 - Chesapeake City, MD | 35 mi | 46 min | Calm G 1 | 64°F | 69°F | 1018.5 hPa | ||
| NBLP1 - 8548989 - Newbold, PA | 35 mi | 46 min | SW 5.1 G 8 | 62°F | 67°F | 1019.1 hPa | ||
| SJSN4 - 8537121 - Ship John Shoal, NJ | 39 mi | 40 min | S 17 G 19 | 66°F | 69°F | 1018.1 hPa |
Wind History for Philadelphia, PA
(wind in knots) EDIT (on/off) Help| Last 24hr | ||||||||||||||||||||||||
| 1 day ago | ||||||||||||||||||||||||
| 2 days ago |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Philadelphia, Philadelphia International Airport, PA | 4 mi | 34 min | S 7 | 10.00 mi | Mostly Cloudy | 65°F | 55°F | 70% | 1018.3 hPa |
| Philadelphia - Wings Field Airport, PA | 19 mi | 33 min | S 6 | 10.00 mi | Partly Cloudy | 63°F | 54°F | 74% | 1018.6 hPa |
| Wilmington, New Castle County Airport, DE | 20 mi | 37 min | S 8 | 10.00 mi | Fair | 65°F | 61°F | 87% | 1018.3 hPa |
| Philadelphia, Northeast Philadelphia Airport, PA | 22 mi | 34 min | Var 4 | 10.00 mi | Overcast | 66°F | 52°F | 61% | 1018.7 hPa |
Wind History from PHL (wind in knots)
| 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | |
| Last 24hr | NE | NE | NE | NE | NE | E | SE | SE | S | SE | S | S | S | S | S | S | S | S | S | S | S | S G16 | S | S |
| 1 day ago | W | SW | W G25 | W | W | W | W | NW | NW | NW G27 | NW G32 | NW G28 | NW | NW G26 | NW G24 | NW G25 | NW G26 | NW | NW G20 | N G20 | N | N | NE G19 | NE G16 |
| 2 days ago | S | S | SW | S | S | SW | S | S | E | SE | S | S G18 | S | S | Calm | SW | Calm | SE | S | S | SW | SW | SW | SW |
Tide / Current Tables for Wanamaker Bridge, Darby Creek, Pennsylvania
EDIT Weekend mode (on/off) (on/off) Help One Week of DataWanamaker Bridge
Click for Map
Sat -- 01:06 AM EDT 0.93 feet Low Tide
Sat -- 01:18 AM EDT Moonrise
Sat -- 05:38 AM EDT Sunrise
Sat -- 06:33 AM EDT 5.77 feet High Tide
Sat -- 11:35 AM EDT Moonset
Sat -- 01:49 PM EDT 0.66 feet Low Tide
Sat -- 07:16 PM EDT 5.15 feet High Tide
Sat -- 08:18 PM EDT Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 01:06 AM EDT 0.93 feet Low Tide
Sat -- 01:18 AM EDT Moonrise
Sat -- 05:38 AM EDT Sunrise
Sat -- 06:33 AM EDT 5.77 feet High Tide
Sat -- 11:35 AM EDT Moonset
Sat -- 01:49 PM EDT 0.66 feet Low Tide
Sat -- 07:16 PM EDT 5.15 feet High Tide
Sat -- 08:18 PM EDT Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 1.3 | 0.9 | 1.4 | 2.9 | 4.3 | 5.2 | 5.7 | 5.7 | 5 | 4.1 | 3.1 | 2.3 | 1.6 | 0.9 | 0.7 | 1.5 | 2.9 | 3.9 | 4.6 | 5.1 | 5 | 4.2 | 3.3 | 2.4 |
Tide / Current Tables for Philadelphia, Pennsylvania Current
EDIT (on/off) Help One Week of DataPhiladelphia
Click for Map
Sat -- 01:17 AM EDT Moonrise
Sat -- 02:08 AM EDT 0.00 knots Slack
Sat -- 03:54 AM EDT 1.35 knots Max Flood
Sat -- 05:37 AM EDT Sunrise
Sat -- 07:19 AM EDT -0.00 knots Slack
Sat -- 10:22 AM EDT -1.47 knots Max Ebb
Sat -- 11:34 AM EDT Moonset
Sat -- 03:05 PM EDT 0.00 knots Slack
Sat -- 04:33 PM EDT 0.91 knots Max Flood
Sat -- 06:07 PM EDT 0.69 knots Min Flood
Sat -- 06:36 PM EDT 0.69 knots Max Flood
Sat -- 08:10 PM EDT -0.00 knots Slack
Sat -- 08:17 PM EDT Sunset
Sat -- 11:09 PM EDT -1.43 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 01:17 AM EDT Moonrise
Sat -- 02:08 AM EDT 0.00 knots Slack
Sat -- 03:54 AM EDT 1.35 knots Max Flood
Sat -- 05:37 AM EDT Sunrise
Sat -- 07:19 AM EDT -0.00 knots Slack
Sat -- 10:22 AM EDT -1.47 knots Max Ebb
Sat -- 11:34 AM EDT Moonset
Sat -- 03:05 PM EDT 0.00 knots Slack
Sat -- 04:33 PM EDT 0.91 knots Max Flood
Sat -- 06:07 PM EDT 0.69 knots Min Flood
Sat -- 06:36 PM EDT 0.69 knots Max Flood
Sat -- 08:10 PM EDT -0.00 knots Slack
Sat -- 08:17 PM EDT Sunset
Sat -- 11:09 PM EDT -1.43 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| -1 | -0.7 | -0.1 | 0.9 | 1.3 | 0.9 | 0.6 | 0.2 | -0.6 | -1.2 | -1.5 | -1.4 | -1.2 | -1.1 | -0.9 | -0.1 | 0.8 | 0.9 | 0.7 | 0.7 | 0.2 | -0.7 | -1.2 | -1.4 |
Weather Map and Satellite Images
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GOES 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 (23,6,7,8)
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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 numerious 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. |