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Marine Weather and Tides
Version 3.4 |
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports. 6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen |
| Sunrise 6:19AM | Sunset 7:45PM | Saturday August 24, 2019 9:07 PM EDT (01:07 UTC) | Moonrise 12:13AM | Moonset 2:55PM | Illumination 30% |  |
ANZ430 Delaware Bay Waters North Of East Point Nj To Slaughter Beach De- 616 Pm Edt Sat Aug 24 2019
.small craft advisory in effect from 6 am edt Sunday through Monday afternoon...
Tonight..NE winds 5 to 10 kt, increasing to 10 to 15 kt late. Gusts up to 20 kt. Waves 2 ft or less.
Sun..NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 ft or less, then around 3 ft in the afternoon.
Sun night..NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 ft or less.
Mon..NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 ft or less.
Mon night..NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 ft or less.
Tue..E winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves 2 ft or less.
Tue night..E winds 5 to 10 kt. Waves 2 ft or less.
Wed..E winds around 5 kt, becoming S in the afternoon. Waves 2 ft or less. A chance of showers. A chance of tstms in the afternoon.
Wed night..S winds around 5 kt, becoming W after midnight. Waves 2 ft or less. A chance of showers and tstms.
Thu..NW winds 5 to 10 kt. Waves 2 ft or less.
Thu night..NW winds 5 to 10 kt. Waves 2 ft or less. Winds and waves higher in and near tstms.
.small craft advisory in effect from 6 am edt Sunday through Monday afternoon...
Tonight..NE winds 5 to 10 kt, increasing to 10 to 15 kt late. Gusts up to 20 kt. Waves 2 ft or less.
Sun..NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 ft or less, then around 3 ft in the afternoon.
Sun night..NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 ft or less.
Mon..NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 ft or less.
Mon night..NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 ft or less.
Tue..E winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves 2 ft or less.
Tue night..E winds 5 to 10 kt. Waves 2 ft or less.
Wed..E winds around 5 kt, becoming S in the afternoon. Waves 2 ft or less. A chance of showers. A chance of tstms in the afternoon.
Wed night..S winds around 5 kt, becoming W after midnight. Waves 2 ft or less. A chance of showers and tstms.
Thu..NW winds 5 to 10 kt. Waves 2 ft or less.
Thu night..NW winds 5 to 10 kt. Waves 2 ft or less. Winds and waves higher in and near tstms.
ANZ400 616 Pm Edt Sat Aug 24 2019
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. High pressure located in eastern ontario and southern quebec this afternoon will continue to build to the south and east. The air mass should continue to influence our weather into Tuesday. A cold front is anticipated to approach from the west on Wednesday and it is expected to pass through our region on Thursday. A secondary cold front may arrive on Saturday.
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. High pressure located in eastern ontario and southern quebec this afternoon will continue to build to the south and east. The air mass should continue to influence our weather into Tuesday. A cold front is anticipated to approach from the west on Wednesday and it is expected to pass through our region on Thursday. A secondary cold front may arrive on Saturday.
7 Day Forecast for Marine Location Near Laurel Lake, NJ
Hourly EDIT Helplocation: 39.29, -74.99 debug
Area Discussion for - Philadelphia/Mount Holly, PA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kphi 242222 afdphi area forecast discussion national weather service mount holly nj 622 pm edt Sat aug 24 2019 Synopsis High pressure located in eastern ontario and southern quebec this afternoon will continue to build to the south and east. The air mass should continue to influence our weather into Tuesday. A cold front is anticipated to approach from the west on Wednesday and it is expected to pass through our region on Thursday. A secondary cold front may arrive on Saturday. Near term until 6 am Sunday morning 630 pm update: made a few adjustments based on the latest guidance to the sky cover and wind forecast, particularly along and south of i-95. Backed off on winds inland overnight as diurnal cumulus is quickly dissipating; therefore, am expecting the boundary layer to stabilize keeping winds mostly calm, perhaps light and variable, inland. Uncertainty still exists with regard to how far inland the low clouds will extend Sunday, but backed off on the inland extent with this slightly during the day. Also adjusted temp dewpoint grids slightly as well. Previous discussion... Northeasterly winds Saturday afternoon gusted over 20 mph close to the coast, and up to 15 mph further inland. As mixing ends around sunset, and as the surface pressure gradient relaxes just a bit, wind speeds are expected to settle in the 5 to 10 mph range through the overnight hours. However, the onshore flow is expected to continue as high pressure centered over eastern canada continues its slow eastward migration. Models suggest light precipitation will eventually start falling over the near- coastal locations of the cwa, as the lower portions of the atmosphere become saturated, but this could be more of an indication of low clouds, especially toward morning. If precipitation does indeed develop, the coastal sections are the most susceptible, with lower chances further and further inland. Will introduce low chc pops closer to the coast, then slight chc pops toward the philadelphia metro area. Adjustments may be needed as the event unfolds. With air moving in from the ocean, temperatures during the overnight hours are expected to dip into the low 50s in the north, and in the low 60s south where a cloud cover is expected to inhibit radiational cooling. Short term 6 am Sunday morning through 6 pm Sunday High pressure centered over nova scotia will continue its slow eastward trek even as low pressure (with some tropical influence), rides northeast along, then away from, the east coast along a nearly stationary front just to our south. Depending on the relative strength of these two systems, the onshore flow may veer more to the east versus northeast. Wind speeds will pick up again too, with gusts in the 15 to 20 mph range possible, and even stronger toward the coast. Models continue to indicate light precipitation (drizzle?) possible into the delaware valley, but this may be too aggressive. Will keep the higher pops closer to the coast, lower pops further inland. High temperatures on Sunday are not expected to emerge from the 70s, and any precipitation may make it cooler. Long term Sunday night through Saturday The axis of a high pressure ridge is forecast to remain to the lee of the appalachians for Monday and Tuesday. The pattern will maintain a northeast to east surface wind in our region. The onshore flow creates a bit of uncertainty in determining the amount of cloud cover and the potential for some light rain or drizzle. Regardless, most of the period from Sunday night through Tuesday should be precipitation-free and there will likely be at least partial clearing at times. The early autumn temperature preview is forecast to continue with daytime highs in the 70s and lower 80s, and overnight lows in the 50s and lower 60s. The surface ridge is anticipated to lose its influence over our weather on Tuesday night and Wednesday as a cold front approaches from the west. The front is expected to arrive in our region on Wednesday night before passing off the coast on Thursday. We will mention a chance of showers and thunderstorms for Wednesday and Wednesday night with some clearing in the forecast for Thursday. Temperatures will likely return to more typical readings for late august. A mid level trough is expected to begin settling over the great lakes and the northeastern states for the late week period into the holiday weekend. A secondary cold front may arrive around Saturday. However, moisture is forecast to be rather limited so we are anticipating fair weather for Thursday, Friday and Saturday. Aviation 22z Saturday through Thursday The following discussion is for kphl, kpne, kttn, kabe, krdg, kilg, kmiv, kacy and surrounding areas. Tonight..MainlyVFR. Lowering clouds expected near the shore. MVFR conditions or lower possible (acy miv) if light rain and or drizzle forms toward morning. NE to E winds 5 to 10 |
knots. Sunday...VFR to MVFR conditions expected at the inland taf sites, but ifr conditions possible at miv and acy with low clouds and possible light rain drizzle. E winds gusting up to 20 kt near the coast, and 10 to 15 kt inland. Outlook... Sunday night and Monday...VFR and MVFR ceilings are expected. Northeast wind 6 to 12 knots. Monday night and Tuesday... MainlyVFR. Northeast to east wind 5 to 10 knots. Tuesday night... MainlyVFR. Variable wind 6 knots or less. Wednesday... MainlyVFR. A chance of showers and thunderstorms. South to southwest wind 5 to 10 knots. Wednesday night... MainlyVFR. A chance of showers and thunderstorms. Southwest to west wind 5 to 10 knots. Thursday... MainlyVFR. West to northwest wind 5 to 10 knots. Marine Winds and seas touched SCA conditions at a few buoys this afternoon. While winds may improve slightly overnight, a persistent onshore flow should keep seas in the 5 foot range along the coast. Then as winds pick up again on Sunday, seas and winds are expected in the SCA range, both on the ocean and bay. A SCA has therefore been hoisted for the ocean starting 6pm this evening, and for the bay starting 6 am Sunday. Outlook... Sunday night and Monday... A small craft advisory is in effect for a northeast wind 15 to 25 knots with gusts up to 30 knots. Wave heights on our ocean waters will likely build to 5 to 8 feet. Monday night... Northeast wind 10 to 20 knots with gusts up to 25 knots. Waves on our ocean waters are expected to be 5 to 7 feet. Tuesday... Northeast wind 10 to 15 knots with gusts up to 20 knots. Waves on our ocean waters are expected to be 4 to 6 feet. Tuesday night... Northeast wind 10 to 15 knots. Waves on our ocean waters are expected to be 4 to 5 feet. Wednesday through Thursday... No marine headlines are anticipated. Rip currents... northeasterly winds in the 15 to 25 mph range and seas between 4 and 5 feet will result in a moderate risk of rip currents on Sunday. This elevated rip current risk (either moderate or at times high) is expected to persist until at least Tuesday as a prolonged period of onshore flow and elevated seas looks likely. Tides coastal flooding A prolonged period of northeast to east flow will continue through at least Tuesday. This persistent onshore fetch, combined with increasing astronomical tides due to an approaching new moon on Thursday, will likely lead to increasing coastal water levels. Minor coastal flooding is possible starting Sunday night over delaware bay and portions of the nj shore. The better chances for minor coastal flooding are on Monday and Tuesday. Phi watches warnings advisories Pa... None. Nj... None. De... None. Md... None. Marine... Small craft advisory until 6 pm edt Monday for anz450>455. Small craft advisory from 6 am Sunday to 6 pm edt Monday for anz430-431. Synopsis... Iovino near term... Miketta staarmann short term... Miketta staarmann long term... Iovino aviation... Iovino miketta staarmann marine... Iovino miketta tides coastal flooding... |
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 |
| SJSN4 - 8537121 - Ship John Shoal, NJ | 21 mi | 73 min | NNE 6 G 7 | 75°F | 82°F | 1022.6 hPa | ||
| BRND1 - 8555889 - Brandywine Shoal Light, DE | 22 mi | 73 min | 1022.2 hPa | |||||
| CMAN4 - 8536110 - Cape May, NJ | 22 mi | 67 min | ENE 5.1 G 8 | 70°F | 71°F | 1021.5 hPa (+0.9) | ||
| DRSD1 - Delaware Reserve, DE | 27 mi | 157 min | E 1 | 75°F | 1021 hPa | 58°F | ||
| ACYN4 - 8534720 - Atlantic City, NJ | 31 mi | 67 min | 72°F | 72°F | 1022.4 hPa (+0.7) | |||
| JCRN4 - Jacques Cousteau Reserve, NJ | 33 mi | 97 min | NE 7 | 56°F | 1021 hPa | 43°F | ||
| LWSD1 - 8557380 - Lewes, DE | 36 mi | 67 min | E 9.9 G 13 | 73°F | 76°F | 1021.7 hPa (+0.5) | ||
| RDYD1 - 8551910 - Reedy Point, DE | 36 mi | 73 min | 75°F | 82°F | 1021.4 hPa | |||
| DELD1 - 8551762 - Delaware City, DE | 38 mi | 73 min | ENE 5.1 G 6 | 75°F | 78°F | 1021.9 hPa | ||
| MRCP1 - 8540433 - Marcus Hook, PA | 42 mi | 73 min | 75°F | 82°F | 1021.7 hPa | |||
| PHBP1 - 8545240 - Philadelphia, PA | 45 mi | 73 min | 75°F | 80°F | 1021.6 hPa | |||
| CHCM2 - 8573927 - Chesapeake City, MD | 46 mi | 73 min | S 1 G 1.9 | 69°F | 83°F | 1022.1 hPa | ||
| BDSP1 | 48 mi | 67 min | 74°F | 81°F | 1022.4 hPa (+1.0) |
Wind History for Ship John Shoal, NJ
(wind in knots) EDIT (on/off) Help| 9 PM | 10 PM | 11 PM | 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 | |
| Last 24hr | N | N | N | N G15 | N | N | N G17 | N | N | N | N G19 | NE | NE | NE | NE G17 | NE G14 | NE G10 | N | NE G11 | N G11 | NE | E | NE | NE G8 |
| 1 day ago | SW | SW | W G19 | NW | SW | SW | NW | NW | NW | NW | N | N | NE | NE G22 | NE G16 | N | N | N | N G16 | N | NE G9 | N | N | N G14 |
| 2 days ago | S G16 | S | SW G10 | W | SW | SW G15 | SW | SW G17 | SW | SW | W | W | NW | NW | NW | N | E | SE | SE | SE | SE | SE G13 | SW | SW |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Millville, Millville Municipal Airport, NJ | 7 mi | 2.2 hrs | SE 5 | 10.00 mi | Overcast | 73°F | 54°F | 51% | 1021.1 hPa |
| Wildwood, Cape May County Airport, NJ | 20 mi | 2.2 hrs | ENE 5 | 10.00 mi | Overcast | 71°F | 55°F | 57% | 1021.7 hPa |
Link to 5 minute data for KMIV
Wind History from MIV (wind in knots)
| 9 PM | 10 PM | 11 PM | 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 | |
| Last 24hr | Calm | Calm | N | N | N | N | NE | E | E | NE | NE | SE | Calm | |||||||||||
| 1 day ago | Calm | NW | Calm | NW | NE | NE | NE | N | NW | NW | ||||||||||||||
| 2 days ago | S | SW | W | NW | W | SW G15 | W | W | Calm |
Tide / Current Tables for Mauricetown, Maurice River, New Jersey
EDIT Weekend mode (on/off) (on/off) Help One Week of DataMauricetown
Click for Map
Sat -- 12:13 AM EDT Moonrise
Sat -- 05:28 AM EDT 3.87 feet High Tide
Sat -- 06:20 AM EDT Sunrise
Sat -- 11:41 AM EDT 0.71 feet Low Tide
Sat -- 02:54 PM EDT Moonset
Sat -- 06:06 PM EDT 4.81 feet High Tide
Sat -- 07:43 PM EDT Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 12:13 AM EDT Moonrise
Sat -- 05:28 AM EDT 3.87 feet High Tide
Sat -- 06:20 AM EDT Sunrise
Sat -- 11:41 AM EDT 0.71 feet Low Tide
Sat -- 02:54 PM EDT Moonset
Sat -- 06:06 PM EDT 4.81 feet High Tide
Sat -- 07:43 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 | 1.4 | 2 | 2.7 | 3.4 | 3.8 | 3.8 | 3.4 | 2.8 | 2.1 | 1.3 | 0.8 | 0.7 | 1.2 | 1.9 | 2.9 | 3.8 | 4.5 | 4.8 | 4.6 | 4.1 | 3.3 | 2.4 | 1.5 |
Tide / Current Tables for East Point, Maurice River Cove, Delaware Bay, New Jersey
EDIT (on/off) Help One Week of DataEast Point
Click for Map
Sat -- 12:13 AM EDT Moonrise
Sat -- 03:51 AM EDT 5.13 feet High Tide
Sat -- 06:21 AM EDT Sunrise
Sat -- 10:19 AM EDT 0.94 feet Low Tide
Sat -- 02:54 PM EDT Moonset
Sat -- 04:29 PM EDT 6.37 feet High Tide
Sat -- 07:43 PM EDT Sunset
Sat -- 11:18 PM EDT 1.18 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 12:13 AM EDT Moonrise
Sat -- 03:51 AM EDT 5.13 feet High Tide
Sat -- 06:21 AM EDT Sunrise
Sat -- 10:19 AM EDT 0.94 feet Low Tide
Sat -- 02:54 PM EDT Moonset
Sat -- 04:29 PM EDT 6.37 feet High Tide
Sat -- 07:43 PM EDT Sunset
Sat -- 11:18 PM EDT 1.18 feet Low Tide
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 |
| 2.2 | 3.1 | 4.1 | 4.9 | 5.1 | 4.8 | 4.1 | 3.3 | 2.3 | 1.4 | 1 | 1.1 | 1.9 | 3.1 | 4.4 | 5.6 | 6.3 | 6.3 | 5.8 | 4.9 | 3.8 | 2.6 | 1.7 | 1.2 |
Weather Map and Satellite Images
(on/off) HelpWeather Map
GOES 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.
Link to Loop
Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for Philadelphia/Mount Holly, PA (21,6,7,8)
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Ground Weather Radar Station Dover AFB, DE
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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. |