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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 6:20AM | Sunset 7:43PM | Sunday August 25, 2019 6:37 PM EDT (22:37 UTC) | Moonrise 12:57AM | Moonset 3:57PM | Illumination 22% |  |
ANZ431 Delaware Bay Waters South Of East Point Nj To Slaughter Beach De- 325 Pm Edt Sun Aug 25 2019
.small craft advisory in effect through Monday evening...
Tonight..NE winds 15 to 20 kt with gusts up to 25 kt. Waves around 3 ft. A slight chance of showers.
Mon..NE winds 15 to 20 kt with gusts up to 25 kt. Waves around 3 ft.
Mon night..E winds 10 to 15 kt with gusts up to 20 kt. Waves around 3 ft.
Tue..E winds around 10 kt. Waves around 3 ft.
Tue night..E winds 5 to 10 kt. Waves 2 ft or less.
Wed..SE winds around 5 kt. Waves 2 ft or less. A chance of showers and tstms.
Wed night..S winds around 5 kt, becoming nw after midnight. Waves 2 ft or less. A chance of showers.
Thu..NW winds 5 to 10 kt. Waves 2 ft or less. A chance of showers in the morning.
Thu night..NW winds around 5 kt. Waves 2 ft or less.
Fri..NW winds around 5 kt, becoming sw in the afternoon. Waves 2 ft or less.
Fri night..SW winds 5 to 10 kt. Waves 2 ft or less. Winds and waves higher in and near tstms.
.small craft advisory in effect through Monday evening...
Tonight..NE winds 15 to 20 kt with gusts up to 25 kt. Waves around 3 ft. A slight chance of showers.
Mon..NE winds 15 to 20 kt with gusts up to 25 kt. Waves around 3 ft.
Mon night..E winds 10 to 15 kt with gusts up to 20 kt. Waves around 3 ft.
Tue..E winds around 10 kt. Waves around 3 ft.
Tue night..E winds 5 to 10 kt. Waves 2 ft or less.
Wed..SE winds around 5 kt. Waves 2 ft or less. A chance of showers and tstms.
Wed night..S winds around 5 kt, becoming nw after midnight. Waves 2 ft or less. A chance of showers.
Thu..NW winds 5 to 10 kt. Waves 2 ft or less. A chance of showers in the morning.
Thu night..NW winds around 5 kt. Waves 2 ft or less.
Fri..NW winds around 5 kt, becoming sw in the afternoon. Waves 2 ft or less.
Fri night..SW winds 5 to 10 kt. Waves 2 ft or less. Winds and waves higher in and near tstms.
ANZ400 325 Pm Edt Sun Aug 25 2019
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. Surface high pressure over quebec will continue to drift eastward and weaken through the middle portion of the week. Meanwhile, an amplified shortwave trough will eject into the great lakes region by Thursday, drawing a surface low across the northern tier and a cold front through the mid-atlantic. A weak ridge of high pressure will build into the region behind this front before another front approaches the area by next weekend.
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. Surface high pressure over quebec will continue to drift eastward and weaken through the middle portion of the week. Meanwhile, an amplified shortwave trough will eject into the great lakes region by Thursday, drawing a surface low across the northern tier and a cold front through the mid-atlantic. A weak ridge of high pressure will build into the region behind this front before another front approaches the area by next weekend.
7 Day Forecast for Marine Location Near West Cape May , NJ
Hourly EDIT Helplocation: 38.93, -74.94 debug
Area Discussion for - Philadelphia/Mount Holly, PA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kphi 251933 afdphi area forecast discussion national weather service mount holly nj 333 pm edt Sun aug 25 2019 Synopsis Surface high pressure over quebec will continue to drift eastward and weaken through the middle portion of the week. Meanwhile, an amplified shortwave trough will eject into the great lakes region by Thursday, drawing a surface low across the northern tier and a cold front through the mid-atlantic. A weak ridge of high pressure will build into the region behind this front before another front approaches the area by next weekend. Near term until 6 am Monday morning At the surface, the dominant feature through Monday will be the high centered over quebec and northern new england. With high pressure to the north, the winds for our region will stay persistent northeasterly through tonight and Monday. Because this isn't a favorable direction for large diurnal temperature swings, especially now with warm ocean temperatures in place, lows tonight will likely only be 10 to 15 degrees below the day time highs on the coastal plains - generally in the lower to mid 60s. North and west of the fall line which is less likely to see a significant influence of the marine layer overnight, lows will be in the 50s. Short term 6 am Monday morning through 6 pm Monday Monday looks like a similar story to Sunday. The persistent onshore flow continues, which will likely result in mostly cloudy conditions on the coastal plains thanks in large part to the warm ocean temperatures. Highs should once again be in the 70s across most of the area. As for precipitation, much like this morning, we could see isolated showers, generally right along the coast especially in the morning. Long term Monday night through Sunday High pressure will continue to drift across southeast canada into the canadian maritime provinces through Wednesday, leading to continued onshore, cool flow Tuesday. A warm front will begin to push northward, leading to showers and thunderstorms by the afternoon. Temperatures will remain slightly below normal with cloud cover lingering for the most part. Temperatures will return to normal with a returning chance for rainfall as a surface low migrates across ontario. As this low moves toward the area, a cold front will progress eastward across the great lakes. This will bring rainfall to the area most of the day Wednesday with 0.5-1.5 inches of rain possible. Guidance suggests the front will pass through the mid-atlantic sometime Wednesday night. Thursday through Saturday looks much nicer with seasonable highs in the low to mid 80s and dry conditions. A front to our northwest and a stalled front to our south will try to nudge their way toward our region, however, they will likely interfere with each other, leading to overall nice condition across our area. By Sunday, another shortwave perturbation will drift across southern canada, leading to cyclogenesis and the formation of a surface low across southeast canada. A cold front will also move southeast with this system, approaching our area by Sunday according to the latest guidance. There still exists a great deal of discrepancy regarding the timing of this with the GFS suggesting a much quicker and drier scenario, with the front turning more zonal and dissipating by Sunday. In terms of high temperatures and rainfall amounts, it is still too distant to tell for sure. Aviation 20z Sunday through Friday The following discussion is for kphl, kpne, kttn, kabe, krdg, kilg, kmiv, kacy and surrounding areas. Tonight... MostlyVFR conditions. Northeasterly winds should drop below 10 kt after sunset and may shift more easterly through the overnight hours. Monday... MostlyVFR conditions. We could see some temporary MVFR ceilings, especially from the delaware valley eastward between 12 and 18z, but confidence is too low to include in the tafs at this time. Northeasterly winds of 5 to 15 kt are once again expected, with gusts near 20 kt possible, especially for kmiv and kacy. |
Outlook... Tuesday... MostlyVFR with northeast winds 5 to 10 knots and gusts to 15 knots. Wednesday... MVFR possible with showers and thunderstorms. Light and variable winds up to 5 knots. Thursday...VFR with northwesterly winds 5 to 10 knots. Friday...VFR with southwesterly winds 5 to 10 knots. Marine Strong northeasterly winds will continue through the day tomorrow, so expect small craft advisory to continue at least through the day on Monday, especially for the atlantic coastal waters. Outlook... Tuesday... Sub-sca conditions expected with northeast winds gusting to 20 knots and seas generally below 5 feet. Seas may reach or exceed 5 feet for the southern atlantic zones, however. Wednesday... Seas 2 to 4 feet. Easterly winds 10 to 15 knots. Thursday... Seas 1 to 3 feet. Northwest winds up to 10 knots. Friday... Seas 1 to 3 feet. Westerly winds turning southerly 10 to 15 knots. Rip currents... onshore flow and rough surf, with wave heights near or above 5 ft, will continue on Monday. Therefore, expect moderate or high risk for the formation of dangerous rip currents again on Monday. The elevated rip current risk may also continue into Tuesday. Tides coastal flooding A brisk northeast wind is forecast to continue along the coasts of new jersey and delaware through late Monday. The wind is expected to become east with speeds slowly diminishing on Monday night and Tuesday. The onshore flow may result in spotty minor tidal flooding around the times of the late afternoon evening high tide on Monday and Tuesday. However, the minor flooding is not anticipated to be widespread enough to warrant an advisory at this time. The base level of the early morning high tides are considerably lower than those of the late afternoon evening high tides, so no issues are expected early in the day on Monday or Tuesday. Once we get past the early week's onshore flow, we will begin to experience particularly high astronomical tides associated with the upcoming new moon phase. As a result, there is another potential for at least some spotty minor tidal flooding from late this week into the holiday weekend. Equipment The WSR-88D at dover, de (kdox), is out of service at this time. The time when it will return is presently unknown. Phi watches warnings advisories Pa... None. Nj... High rip current risk until 8 pm edt this evening for njz014- 024>026. De... None. Md... None. Marine... Small craft advisory until 8 pm edt Monday for anz430-431- 450>455. Synopsis... Davis near term... Johnson short term... Johnson long term... Davis aviation... Davis johnson marine... Davis johnson tides coastal flooding... Iovino equipment... Davis |
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 |
| CMAN4 - 8536110 - Cape May, NJ | 3 mi | 49 min | NNE 12 G 23 | 72°F | 73°F | 1021.1 hPa | ||
| BRND1 - 8555889 - Brandywine Shoal Light, DE | 10 mi | 61 min | 1021.7 hPa | |||||
| LWSD1 - 8557380 - Lewes, DE | 14 mi | 49 min | ENE 23 G 29 | 71°F | 75°F | 1021.5 hPa | ||
| DRSD1 - Delaware Reserve, DE | 29 mi | 127 min | NE 1.9 | 74°F | 1022 hPa | 60°F | ||
| 44009 - DELAWARE BAY 26 NM Southeast of Cape May, NJ | 35 mi | 47 min | NNE 19 G 23 | 73°F | 76°F | 7 ft | 1019.3 hPa (-0.8) | |
| SJSN4 - 8537121 - Ship John Shoal, NJ | 35 mi | 55 min | E 12 G 15 | 73°F | 80°F | 1022.5 hPa | ||
| ACYN4 - 8534720 - Atlantic City, NJ | 40 mi | 49 min | 1022.2 hPa | |||||
| OCSM2 | 41 mi | 157 min | 6 ft | |||||
| OCIM2 - 8570283 - Ocean City Inlet, MD | 42 mi | 55 min | NE 8.9 G 17 | 73°F | 73°F | 1021.3 hPa | ||
| JCRN4 - Jacques Cousteau Reserve, NJ | 49 mi | 67 min | NNE 13 | 59°F | 1022 hPa | 49°F |
Wind History for Cape May, NJ
(wind in knots) EDIT (on/off) Help| 6 PM | 7 PM | 8 PM | 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 | |
| Last 24hr | NE G11 | NE G9 | NE G8 | NE | NE G8 | NE | NE | NE G7 | NE G7 | NE G7 | NE | NE G9 | NE G8 | N G11 | N G9 | N G15 | NE G18 | NE G15 | NE G20 | NE G23 | NE G26 | NE G17 | NE G19 | NE G20 |
| 1 day ago | NE G6 | N G7 | NE | N | N | N G7 | N G6 | N G8 | N G8 | N | N G8 | N G8 | N G15 | N G8 | NE G9 | N G12 | NE G14 | NE G14 | NE G19 | NE G17 | NE G17 | NE G16 | NE G13 | NE G12 |
| 2 days ago | S | SE G10 | S | SE G7 | SE | SW | NW G12 | NW G11 | SW | SW | SW | SW | NW G8 | NW | NE | NE G9 | NE G7 | NE G13 | NE G12 | NE G11 | N G9 | N G14 | N G8 | N G9 |
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 |
| Wildwood, Cape May County Airport, NJ | 6 mi | 41 min | NNE 13 G 23 | 10.00 mi | Mostly Cloudy | 72°F | 61°F | 68% | 1021.9 hPa |
Link to 5 minute data for KWWD
Wind History from WWD (wind in knots)
| 7 PM | 8 PM | 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 | |
| Last 24hr | E | NE | NE | NE | NE | N | N | N | N | NE G22 | NE | NE G23 | NE G25 | NE G25 | NE G24 | NE G27 | NE G24 | NE G23 | ||||||
| 1 day ago | NW | NE | Calm | N | N | N | N | N | N | N | N | NE | E G19 | NE G20 | E G21 | E G20 | NE G16 | E | E | E | ||||
| 2 days ago | S | SW | S | SW | N | W | Calm | NE | Calm | NE | NE | NE | NE | N | N G18 | N | N |
Tide / Current Tables for Cape May, Atlantic Ocean, New Jersey
EDIT Weekend mode (on/off) (on/off) Help One Week of DataCape May
Click for Map
Sun -- 12:56 AM EDT Moonrise
Sun -- 03:33 AM EDT 4.03 feet High Tide
Sun -- 06:22 AM EDT Sunrise
Sun -- 09:29 AM EDT 0.80 feet Low Tide
Sun -- 03:55 PM EDT 4.98 feet High Tide
Sun -- 03:56 PM EDT Moonset
Sun -- 07:40 PM EDT Sunset
Sun -- 10:39 PM EDT 0.73 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sun -- 12:56 AM EDT Moonrise
Sun -- 03:33 AM EDT 4.03 feet High Tide
Sun -- 06:22 AM EDT Sunrise
Sun -- 09:29 AM EDT 0.80 feet Low Tide
Sun -- 03:55 PM EDT 4.98 feet High Tide
Sun -- 03:56 PM EDT Moonset
Sun -- 07:40 PM EDT Sunset
Sun -- 10:39 PM EDT 0.73 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 | 3.6 | 4 | 4 | 3.5 | 2.7 | 1.8 | 1.2 | 0.8 | 0.8 | 1.3 | 2.2 | 3.3 | 4.3 | 4.8 | 5 | 4.7 | 3.9 | 2.9 | 2.1 | 1.4 | 0.9 | 0.8 |
Tide / Current Tables for Delaware Bay Entrance, Delaware Current
EDIT (on/off) Help One Week of DataDelaware Bay Entrance
Click for Map
Sun -- 12:57 AM EDT Moonrise
Sun -- 02:39 AM EDT 0.98 knots Max Flood
Sun -- 05:34 AM EDT -0.00 knots Slack
Sun -- 06:22 AM EDT Sunrise
Sun -- 08:51 AM EDT -1.00 knots Max Ebb
Sun -- 11:32 AM EDT 0.00 knots Slack
Sun -- 02:47 PM EDT 1.42 knots Max Flood
Sun -- 03:56 PM EDT Moonset
Sun -- 06:07 PM EDT -0.00 knots Slack
Sun -- 07:41 PM EDT Sunset
Sun -- 09:57 PM EDT -1.28 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sun -- 12:57 AM EDT Moonrise
Sun -- 02:39 AM EDT 0.98 knots Max Flood
Sun -- 05:34 AM EDT -0.00 knots Slack
Sun -- 06:22 AM EDT Sunrise
Sun -- 08:51 AM EDT -1.00 knots Max Ebb
Sun -- 11:32 AM EDT 0.00 knots Slack
Sun -- 02:47 PM EDT 1.42 knots Max Flood
Sun -- 03:56 PM EDT Moonset
Sun -- 06:07 PM EDT -0.00 knots Slack
Sun -- 07:41 PM EDT Sunset
Sun -- 09:57 PM EDT -1.28 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 |
| 0.1 | 0.6 | 0.9 | 1 | 0.7 | 0.3 | -0.2 | -0.7 | -0.9 | -1 | -0.8 | -0.4 | 0.3 | 0.9 | 1.3 | 1.4 | 1.1 | 0.7 | 0.1 | -0.5 | -0.9 | -1.2 | -1.3 | -1.1 |
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 (18,4,5,8)
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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. |