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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 6:13AM | Sunset 7:48PM | Tuesday August 20, 2019 11:19 PM EDT (03:19 UTC) | Moonrise 10:35PM | Moonset 10:49AM | Illumination 70% |  |
ANZ452 Coastal Waters From Little Egg Inlet To Great Egg Inlet Nj Out 20 Nm- Coastal Waters From Great Egg Inlet To Cape May Nj Out 20 Nm- 946 Pm Edt Tue Aug 20 2019
Overnight..S winds 5 to 10 kt. Seas 2 ft or less. SWell mainly from the se with a dominant period of 10 seconds. Patchy fog. A slight chance of showers and tstms.
Wed..SW winds 5 to 10 kt, becoming S 15 to 20 kt. Seas 2 ft or less, then 3 to 4 ft in the afternoon. SWell mainly from the se with a dominant period of 10 seconds.
Wed night..SW winds 15 to 20 kt, diminishing to 10 to 15 kt late. Seas 3 to 4 ft. SWell mainly from the S with a dominant period of 8 seconds. A chance of showers and tstms until early morning.
Thu..SW winds 10 to 15 kt. Seas 3 to 4 ft. SWell mainly from the S with a dominant period of 7 seconds. A chance of showers and tstms in the afternoon.
Thu night..SW winds around 10 kt, becoming W after midnight. Seas 3 to 4 ft. Showers likely with a chance of tstms.
Fri..N winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers and tstms.
Fri night..N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 3 ft. A chance of tstms in the evening. A chance of showers.
Sat..NE winds 10 to 15 kt. Seas around 3 ft. A chance of showers in the morning.
Sat night..NE winds 5 to 10 kt. Seas 2 ft or less, then around 3 ft after midnight.
Sun..NE winds 10 to 15 kt. Seas 3 to 4 ft.
Sun night..E winds around 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Winds and seas higher in and near tstms.
Overnight..S winds 5 to 10 kt. Seas 2 ft or less. SWell mainly from the se with a dominant period of 10 seconds. Patchy fog. A slight chance of showers and tstms.
Wed..SW winds 5 to 10 kt, becoming S 15 to 20 kt. Seas 2 ft or less, then 3 to 4 ft in the afternoon. SWell mainly from the se with a dominant period of 10 seconds.
Wed night..SW winds 15 to 20 kt, diminishing to 10 to 15 kt late. Seas 3 to 4 ft. SWell mainly from the S with a dominant period of 8 seconds. A chance of showers and tstms until early morning.
Thu..SW winds 10 to 15 kt. Seas 3 to 4 ft. SWell mainly from the S with a dominant period of 7 seconds. A chance of showers and tstms in the afternoon.
Thu night..SW winds around 10 kt, becoming W after midnight. Seas 3 to 4 ft. Showers likely with a chance of tstms.
Fri..N winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers and tstms.
Fri night..N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 3 ft. A chance of tstms in the evening. A chance of showers.
Sat..NE winds 10 to 15 kt. Seas around 3 ft. A chance of showers in the morning.
Sat night..NE winds 5 to 10 kt. Seas 2 ft or less, then around 3 ft after midnight.
Sun..NE winds 10 to 15 kt. Seas 3 to 4 ft.
Sun night..E winds around 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Winds and seas higher in and near tstms.
ANZ400 946 Pm Edt Tue Aug 20 2019
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. A nearby front will lift slowly northward into new york and new england tonight and on Wednesday. A slow moving cold front is forecast to approach from the northwest on Wednesday night and Thursday. The boundary is expected to pass through our region on Thursday night. High pressure is anticipated to follow for the coming weekend and for the early part of next week.
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. A nearby front will lift slowly northward into new york and new england tonight and on Wednesday. A slow moving cold front is forecast to approach from the northwest on Wednesday night and Thursday. The boundary is expected to pass through our region on Thursday night. High pressure is anticipated to follow for the coming weekend and for the early part of next week.
7 Day Forecast for Marine Location Near Atlantic City, NJ
Hourly EDIT Helplocation: 39.39, -74.43 debug
Area Discussion for - Philadelphia/Mount Holly, PA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kphi 210108 afdphi area forecast discussion national weather service mount holly nj 908 pm edt Tue aug 20 2019 Synopsis A nearby front will lift slowly northward into new york and new england tonight and on Wednesday. A slow moving cold front is forecast to approach from the northwest on Wednesday night and Thursday. The boundary is expected to pass through our region on Thursday night. High pressure is anticipated to follow for the coming weekend and for the early part of next week. Near term until 6 am Wednesday morning The earlier convection across the lower susqu valley has diminished for the most part with one or two surviving cells escaping into the southern poconos attm. Other dying tstms across DELMARVA has morphed into a large area of showers across srn de NE md. Going forward, the models are all over the place with the hrrr showing a dry night and the 18z NAM showing more tstms developing after 6z. The the nearby front, it seems that some activity should be expected, so I have just refined the pops a bit mostly N W and adjusted for present conditions. Patchy fog will probably develop, but with the drier air today, likely not that widespread. With decent cloud cover overnight, temperatures will remain warm and in the 70s through much of the region, with some mid to upper 60s across the southern poconos and northwestern new jersey. Short term 6 am Wednesday morning through 6 pm Wednesday Heat advisory remains in effect through Wednesday. Another active day is in store for Wednesday as the aforementioned frontal boundary pushes north of the region, placing us firmly in the warm sector. Winds that have been more southeasterly through today will turn more to the southwest and we will see moisture increase across the region once again with dew points rising into the low to mid 70s. Hot and humid conditions will prevail with little relief expected until showers and thunderstorms start to develop and move through the forecast area. A pre-frontal trough will develop ahead of the main front (which arrives Thursday) and will be a focus for thunderstorm development across the region. The main concern will be the potential for severe weather. The spc has placed portions of our area in the slight risk category, with damaging winds being the main threat. Shear is modest (only around 20- 30 kts) but with CAPE increasing through the day to around 1000-2000 j kg and plenty of moisture and lift available, we could see some strong to severe storms develop, mainly during the afternoon and evening and primarily to the north and west of the i-95 corridor. Once again, pwats are running high (up to 2.00") so heavy rainfall will be likely and may result in some flooding concerns. Long term Wednesday night through Tuesday We should be solidly in the warm and humid air on Wednesday evening, with ongoing showers and thunderstorms. The warm front is expected to be well up into new england at that time with an approaching cold front extending across the eastern great lakes and the lower ohio river valley. The showers and thunderstorms are expected to weaken gradually on Wednesday evening with the loss of daytime heating. Partly cloudy and muggy conditions are anticipated for late Wednesday night. The cold front is forecast to extend from northern new england to the ohio river valley on Thursday morning. The boundary will likely sink slowly to the south, passing through our region from late Thursday into Thursday night. We are expecting another hot humid day. Heat index values may again approach 100 from the philadelphia metropolitan area southward. However, conditions seem borderline and we will not extend the heat advisory at this point although it may need to be done as we get closer in time. Another round of showers and thunderstorms is forecast ahead of and with the cold front from Thursday afternoon into Thursday evening. Some improvement is expected on Friday as high pressure begins to build down into our region from ontario. There is a chance of showers and thunderstorms from northeastern maryland and delaware into southern new jersey as the departing front remains nearby to our south. The center of the high is anticipated to shift from ontario to canada's maritime provinces over the weekend. This pattern will |
keep our region in dry conditions with a developing northeast to east flow. Temperatures will be cooler than what we are currently experiencing and humidity levels will be noticeably lower. The onshore flow may bring a return of some moisture early in the new week. We have included a slight chance of showers and thunderstorms at that time. Aviation 01z Wednesday through Sunday The following discussion is for kphl, kpne, kttn, kabe, krdg, kilg, kmiv, kacy and surrounding areas. Tonight... Isolated showers and thunderstorms this evening. Then more activity N W after midnight psbl. Otherwise, expect mostly vfr conditions across the region. Some patchy fog psbl and some low clouds S e. Light and variable winds overnight. Wednesday... Lingering MVFR ifr conditions (mainly at kacy kmiv) in the morning should clear by 15z and thenVFR is expected through much of the day. Showers and thunderstorms will again develop across the region and there will be the potential for MVFR or lower conditions to occur during the afternoon and evening, especially from kphl and northward. South to southwest winds around 5 to 10 knots early will strengthen into the afternoon, with some gusts around 15 to 20 knots possible. Outlook... Wednesday night... MVFR and ifr conditions with a chance of showers and thunderstorms. Southwest wind 5 to 10 knots. Thursday... Conditions improving toVFR. However, there will continue to be a chance of showers and thunderstorms with locally MVFR and ifr conditions. West wind 5 to 10 knots. Thursday night... MainlyVFR. A chance of showers and thunderstorms with locally MVFR and ifr conditions. Northwest wind 5 to 10 knots. Friday... MainlyVFR. A chance of showers. Northwest wind 5 to 10 knots. Friday night... MainlyVFR. Variable wind 6 knots or less. Saturday... MainlyVFR. North to northeast wind 5 to 10 knots. Saturday night... MainlyVFR. Variable wind 6 knots or less. Sunday... MainlyVFR. Northeast to east wind around 10 knots. Marine Sub-advisory conditions are expected to continue through Wednesday. Seas will generally be around 2 to 4 feet. Winds are expected to pick up from the southwest Wednesday afternoon and gusts may approach 25 knots, especially later in the day. For now, keep winds just below SCA criteria but cannot rule out a few gusts around 25 knots. Isolated showers and thunderstorms may lead to locally higher winds and waves. Outlook... Wednesday night through Sunday... No marine headlines are anticipated. Rip currents... with waves forecast at 2-3 foot and a 6-7 second period, along with southerly winds 5-10 knots, the risk for dangerous rip currents is low into tonight. Waves in the surf zone will likely remain around 2-3 feet. Phi watches warnings advisories Pa... Heat advisory until 8 pm edt Wednesday for paz070-071-102-104- 106. Nj... Heat advisory until 8 pm edt Wednesday for njz015-017>019. De... Heat advisory until 8 pm edt Wednesday for dez001. Md... None. Marine... None. Synopsis... Iovino near term... Meola po short term... Meola long term... Iovino aviation... Iovino meola po marine... Iovino meola |
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 |
| ACYN4 - 8534720 - Atlantic City, NJ | 2 mi | 56 min | 78°F | 78°F | 1017.5 hPa | |||
| JCRN4 - Jacques Cousteau Reserve, NJ | 10 mi | 50 min | Calm | 56°F | 1017 hPa | |||
| CMAN4 - 8536110 - Cape May, NJ | 40 mi | 50 min | ESE 4.1 G 5.1 | 78°F | 78°F | 1016.3 hPa | ||
| 44091 | 44 mi | 50 min | 76°F | 2 ft | ||||
| BRND1 - 8555889 - Brandywine Shoal Light, DE | 46 mi | 50 min | 1017.1 hPa |
Wind History for Cape May, NJ
(wind in knots) EDIT (on/off) Help| 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 | SW | SW | -- | E | -- | S | NE | NE | NE | E | NE | NE G12 | E G15 | E G13 | E | E G8 | E | E | E | E G8 | E | SE | SE | SE G7 |
| 1 day ago | S | S | S | S | SW | SW | S | S | S | SE G10 | SE | S G10 | SE G14 | S G14 | S G13 | S G13 | S G17 | S G20 | S G10 | S G10 | SE | SE G8 | S G10 | SW |
| 2 days ago | S | S | E | SE | SE G10 | SE G7 | S | S | SW | SE | SW | S | SE | S G12 | S G12 | S G15 | S G12 | SE G13 | SE G13 | SE | SE | SE | SE | SE |
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 |
| Atlantic City, Atlantic City International Airport, NJ | 9 mi | 26 min | S 3 | 9.00 mi | Fair | 80°F | 75°F | 87% | 1016.8 hPa |
Link to 5 minute data for KACY
Wind History from ACY (wind in knots)
| 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 | 9 PM | 10 PM | |
| Last 24hr | S | Calm | NW | N | N | NE | E | SE | E | E | SE | E | SE | E | S | |||||||||
| 1 day ago | Calm | SW | SW | SW | S | S | SW | S | S G18 | S G18 | S | S | E | SE | SE | S | ||||||||
| 2 days ago | S | S | S | S | S | S | Calm | SW | S | Calm | Calm | S | S | S | S G17 | S | S | S | S | S | S |
Tide / Current Tables for Absecon Channel, State Route 87 bridge, New Jersey
EDIT Weekend mode (on/off) (on/off) Help One Week of DataAbsecon Channel
Click for Map
Tue -- 05:23 AM EDT 0.32 feet Low Tide
Tue -- 06:14 AM EDT Sunrise
Tue -- 10:49 AM EDT Moonset
Tue -- 11:57 AM EDT 3.89 feet High Tide
Tue -- 05:44 PM EDT 0.77 feet Low Tide
Tue -- 07:46 PM EDT Sunset
Tue -- 10:35 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 05:23 AM EDT 0.32 feet Low Tide
Tue -- 06:14 AM EDT Sunrise
Tue -- 10:49 AM EDT Moonset
Tue -- 11:57 AM EDT 3.89 feet High Tide
Tue -- 05:44 PM EDT 0.77 feet Low Tide
Tue -- 07:46 PM EDT Sunset
Tue -- 10:35 PM EDT Moonrise
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 |
| 4 | 3.5 | 2.6 | 1.6 | 0.8 | 0.4 | 0.4 | 0.9 | 1.8 | 2.7 | 3.4 | 3.8 | 3.9 | 3.7 | 3 | 2.1 | 1.3 | 0.9 | 0.8 | 1.1 | 1.7 | 2.6 | 3.2 | 3.6 |
Tide / Current Tables for Dock Thorofare, Risley Channel, New Jersey
EDIT (on/off) Help One Week of DataDock Thorofare
Click for Map
Tue -- 05:56 AM EDT 0.33 feet Low Tide
Tue -- 06:15 AM EDT Sunrise
Tue -- 10:49 AM EDT Moonset
Tue -- 12:12 PM EDT 3.98 feet High Tide
Tue -- 06:17 PM EDT 0.79 feet Low Tide
Tue -- 07:47 PM EDT Sunset
Tue -- 10:35 PM EDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 05:56 AM EDT 0.33 feet Low Tide
Tue -- 06:15 AM EDT Sunrise
Tue -- 10:49 AM EDT Moonset
Tue -- 12:12 PM EDT 3.98 feet High Tide
Tue -- 06:17 PM EDT 0.79 feet Low Tide
Tue -- 07:47 PM EDT Sunset
Tue -- 10:35 PM EDT Moonrise
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 |
| 4.1 | 3.8 | 3 | 2 | 1.1 | 0.5 | 0.3 | 0.6 | 1.4 | 2.4 | 3.3 | 3.8 | 4 | 3.9 | 3.3 | 2.5 | 1.7 | 1.1 | 0.8 | 0.9 | 1.4 | 2.3 | 3.1 | 3.6 |
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 (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. |