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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 6:46AM | Sunset 4:39PM | Tuesday November 20, 2018 6:10 AM EST (11:10 UTC) | Moonrise 4:29PM | Moonset 4:38AM | Illumination 93% |  |
ANZ451 Coastal Waters From Sandy Hook To Manasquan Inlet Nj Out 20 Nm- Coastal Waters From Manasquan Inlet To Little Egg Inlet Nj Out 20 Nm- 530 Am Est Tue Nov 20 2018
.small craft advisory in effect from 1 pm est this afternoon through late tonight...
Today..W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt late this morning and early afternoon, then becoming nw 15 to 20 kt with gusts up to 25 kt late. Seas 2 ft or less, then 3 to 4 ft late this morning and afternoon. SWell mainly from the S with a dominant period of 7 seconds. Isolated showers this morning.
Tonight..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. SWell mainly from the se with a dominant period of 8 seconds.
Wed..W winds 15 to 20 kt. Gusts up to 30 kt. Seas around 3 ft early in the morning, then 2 ft or less, then 3 to 4 ft in the afternoon. SWell mainly from the N with a dominant period of 7 seconds.
Wed night..NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft. SWell mainly from the nw with a dominant period of 5 seconds.
Thu..NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft.
Thu night..N winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 4 ft.
Fri..NE winds 10 to 15 kt, becoming se around 5 kt in the afternoon. Seas around 3 ft in the morning, then 2 ft or less.
Fri night..S winds 5 to 10 kt. Seas 2 ft or less.
Sat..SE winds 10 to 15 kt. Seas 2 ft or less, then around 3 ft in the afternoon. A chance of rain and freezing rain in the morning, then a chance of rain in the afternoon. Vsby 1 to 3 nm in the morning.
Sat night..SE winds 15 to 20 kt, becoming E 10 to 15 kt after midnight. Seas 3 to 5 ft. Rain likely.
.small craft advisory in effect from 1 pm est this afternoon through late tonight...
Today..W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt late this morning and early afternoon, then becoming nw 15 to 20 kt with gusts up to 25 kt late. Seas 2 ft or less, then 3 to 4 ft late this morning and afternoon. SWell mainly from the S with a dominant period of 7 seconds. Isolated showers this morning.
Tonight..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. SWell mainly from the se with a dominant period of 8 seconds.
Wed..W winds 15 to 20 kt. Gusts up to 30 kt. Seas around 3 ft early in the morning, then 2 ft or less, then 3 to 4 ft in the afternoon. SWell mainly from the N with a dominant period of 7 seconds.
Wed night..NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 4 ft. SWell mainly from the nw with a dominant period of 5 seconds.
Thu..NW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft.
Thu night..N winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 4 ft.
Fri..NE winds 10 to 15 kt, becoming se around 5 kt in the afternoon. Seas around 3 ft in the morning, then 2 ft or less.
Fri night..S winds 5 to 10 kt. Seas 2 ft or less.
Sat..SE winds 10 to 15 kt. Seas 2 ft or less, then around 3 ft in the afternoon. A chance of rain and freezing rain in the morning, then a chance of rain in the afternoon. Vsby 1 to 3 nm in the morning.
Sat night..SE winds 15 to 20 kt, becoming E 10 to 15 kt after midnight. Seas 3 to 5 ft. Rain likely.
ANZ400 530 Am Est Tue Nov 20 2018
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. A weak surface low will move offshore the new england coast this afternoon. A strong cold front will move through the mid-atlantic on Wednesday, followed by a very cold surface high building into the northeast for thanksgiving and Friday. A couple of surface lows may affect the region this weekend into early next week.
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. A weak surface low will move offshore the new england coast this afternoon. A strong cold front will move through the mid-atlantic on Wednesday, followed by a very cold surface high building into the northeast for thanksgiving and Friday. A couple of surface lows may affect the region this weekend into early next week.
7 Day Forecast for Marine Location Near Barnegat Light borough, NJ
Hourly EDIT Helplocation: 39.73, -74.06 debug
Area Discussion for - Philadelphia/Mount Holly, PA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kphi 200855 afdphi area forecast discussion national weather service mount holly nj 355 am est Tue nov 20 2018 Synopsis A weak surface low will move offshore the new england coast this afternoon. A strong cold front will move through the mid-atlantic on Wednesday, followed by a very cold surface high building into the northeast for thanksgiving and Friday. A couple of surface lows may affect the region this weekend into early next week. Near term until 6 pm this evening Weak low pressure over the delaware valley will track to the north and east this morning and will end up just south of nyc by daybreak. The low deepens as it moves into the gulf of maine, and this allows a weak cold front to pass through the region early this afternoon. Patchy fog across the region may increase in coverage and result in lowered vsbys. For most areas, vsbys are as low as 2 miles, but going into daybreak, vsbys may lower to under 1 mile. There is the potential for localized dense fog, so will have to see if a dense fog advisory is needed. Will hold off for now. Some light rain showers will pass through northern zones, possibly mixed with snow at higher elevations of the southern poconos and northern nj. Any snow accumulations will be light, generally less than 1 2 inch. Rainfall will be light as well. Into this afternoon, clouds gradually lift and break up, and skies should clear out late. West northwest winds increase to around 15 mph with gusts to 20 mph this afternoon. Highs today will generally be in the 40s. Short term 6 pm this evening through 6 am Wednesday High pressure south and west of the region will mainly be in control of the area tonight. Meanwhile, a weak clipper system ahead of a strong cold front will approach late tonight. Mainly clear skies and light west winds on tap for the region tonight. Lows will generally range from the low to mid 20s in far northern zones to the 20s to around 30 for the rest of the region. Long term Wednesday through Monday Quite a few challenges with the long-term forecast, with the main two stories being a very cold thanksgiving (and Friday) followed by a couple of systems affecting the region this weekend into early next week. The large-scale pattern features a strong trough in eastern north america on Wednesday with digging vorticity maxima amplifying the trough as it progresses into the western atlantic by Friday night. However, it will be replaced by amplified ridging early this weekend with help from a polar high retrogressing into eastern north america during this period. This will serve to reinforce longwave troughing in the central eastern u.S. Canada, with two strong midlevel perturbations digging into the central southeastern u.S. This weekend into early next week. Models are struggling mightily with the evolution of these midlevel perturbations and associated surface lows, with very poor agreement with both by Saturday. In general, the forecast for the whole period is based on a consensus model blend but with less and less weighting of the 12z 00z ECMWF Saturday and beyond as they become outliers (though worryingly consistent ones). The ECMWF seems to be weakest with the amplified ridging and blocking polar flow, which does not seem reasonable given the evolving pattern early this week and general teleconnections with the polar-latitude pattern. On Wednesday, an arctic cold front will blast through the northeast, progressing through our CWA by evening. Operational models depict some light QPF along upstream of the front as deep mixing allows for some (snow) showers to develop. The setup looks at least somewhat favorable for a snow squall or two Wednesday (late morning into early evening), given (1) development of shallow buoyancy in the increasingly deep mixing layer upstream of the front, (2) very strong 850-750 mb flow with a fetch upstream from the great lakes, and (3) ready saturation of surface-based parcels. Though this potential seems much higher to our north and west (as usual), this will need to be monitored closely as the cold front progresses through the area. The main story with the front will be the bone-chilling air it brings in. It will also be breezy upstream of the front, and this spells low wind chills. Current forecast has these readings near or below zero Wednesday night and Thursday in the poconos and adjacent areas, with single digits and teens virtually everywhere else. Winds will diminish Thursday night, but temperatures will plunge as a strong surface ridge approaches, allowing for ideal radiational cooling. Record lows are a possibility. Lowered temperatures quite a bit Thursday and Thursday night, as statistical guidance tends to be too warm in these environments (especially those that are so anomalous). Somewhat worried I am still on the warm side, especially Thursday night in more rural areas, so these numbers may be decreased more in subsequent forecasts. Friday should be quite cold as well, but it should be warmer as light return flow is expected to set up as the surface high advances offshore. As midlevel ridging moves into the region, Friday night should be much warmer and may feature little if any cooling beyond the early evening as warm moist advection increase(s). Attention turns to the developing surface low in the southeast Friday night. The GFS cmc shift this low (of varying intensity) off the carolina coast, while the ECMWF lifts the low along the mid- atlantic coast by 12z Saturday. Large differences in precipitation timing and magnitude in our area occur as a result, with the ecmwf showing considerably more precipitation on Saturday. The GFS cmc produce some cold-conveyor-belt precipitation as the low progresses well offshore across the i-95 corridor and surrounds but suggest the heavier precipitation stays well south closer to the low's track. All of the models suggest the precipitation may hold off until later in the day Saturday, which is good news given the residual cold air that will remain Friday night. This also makes sense given residual |
effects on the strong surface high -- models tend to be too aggressive with precipitation encroaching a retreating ridge. Should precipitation onset be sooner, the pattern reflects a warm nose atop near-surface near- sub-freezing air (i.E., a wintry mix with some chance for sleet freezing rain). Cannot rule this scenario out entirely, so have included chances of this Saturday morning. However, current model simulations suggest the timing will be too late, with the precipitation being a mostly above-freezing liquid event. There will be a brief lull in precipitation at some point this weekend... Most likely Sunday... Before the second strong vort max makes it move toward the area. The ECMWF looks way too fast given the blocky polar pattern, but if correct, would suggest a quick- hitting, light QPF event for most of the area on Monday. The GFS cmc would suggest a stronger second QPF punch on Monday Monday night (slower owing to the appreciable blocking simulated by these models). Temperatures look warm on Monday, so most of the precipitation would be liquid. However, should precipitation linger Monday night into Tuesday on the cold side of the system, may see a little bit of a wintry mix in the northwest cwa. Plenty of time to figure out these details, and too much model disagreement to begin dissecting the thermodynamic details profiles this far in advance. Given the above, have broad (mainly chance) pops Saturday through the end of the period with temperatures near seasonal averages for highs and above averages for lows. Again, the entire period will not be wet, but the timing discrepancies among the guidance preclude pinpointing these time windows at this point. Aviation 09z Tuesday through Saturday The following discussion is for kphl, kpne, kttn, kabe, krdg, kilg, kmiv, kacy and surrounding areas. Today... MVFR ifr conditions in fog stratus this morning across most, if not all, terminals, and scattered rain showers, mainly for northern terminals. There is the potential for lifr conditions early this morning in fog stratus. Conditions improve toVFR this afternoon. Lgt vrb winds this morning become w-nw 10-15 kt with gusts to 20 kt. Tonight...VFR. West winds 5-7 kt in the evening become 5 kt or less late. Outlook... Wednesday through Friday: primarilyVFR with a strong cold front moving through on Wednesday, switching winds from southwest to northwest. Speeds generally 10 to 15 kts with gusts up to 25+ kts after frontal passage Wednesday afternoon and again on Thursday. Winds should be light and variable Thursday night and Friday. Moderate confidence. Friday night and Saturday: periods of sub-vfr possible with a chance of rain on Saturday. Winds easterly or southeasterly below 10 kts Friday night becoming 5 to 15 kts with higher gusts near the coast Saturday. Low confidence. Marine Low pressure moves across the waters this morning, and then deepens as it moves towards the gulf of maine. Tranquil conditions this morning, and then NW winds increase to 15-20 kt with 25-30 kt gusts this afternoon and evening. Small craft advisory remains in effect for lower de bay and the ocean, but went ahead and added upper de bay to the SCA for the same time. Conditions subside to sub-sca levels late tonight. Outlook... Wednesday and Wednesday night: strong cold front will pass through the waters, with winds switching to northwest. A period of gales is possible, especially off the new jersey coast, but confidence is low. At least advisory-level winds expected. Thursday: strong northwest winds continue, and gales cannot be ruled out. At least advisory-level winds expected. Thursday night: lingering advisory-level winds expected but should diminish late. Friday and Friday night: sub-advisory winds seas expected. Saturday: east southeast winds develop and increase, possibly to advisory levels. Rain possible. Climate Here is a list of current record low temperatures: site november 22 november 23 allentown 15 2014 16 2000, 1964 atlantic city 16 2014, 1964 10 1989 georgetown 16 1987, 1969 16 1984, 1964 mount pocono 5 1969 6 2000, 1964 philadelphia 14 1980 10 1880 reading 16 1969 16 1972 trenton 15 1880 16 1880 wilmington 17 1964 17 1964 Phi watches warnings advisories Pa... None. Nj... None. De... None. Md... None. Marine... Small craft advisory from 1 pm this afternoon to 1 am est Wednesday for anz430-431-450>455. Synopsis... Cms near term... Mps short term... Mps long term... Cms aviation... Cms mps marine... Cms mps climate... Mps |
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 |
| JCRN4 - Jacques Cousteau Reserve, NJ | 25 mi | 40 min | SW 1.9 | 42°F | 1010 hPa | 42°F | ||
| ACYN4 - 8534720 - Atlantic City, NJ | 32 mi | 40 min | 51°F | 51°F | 1011.3 hPa | |||
| NBLP1 - 8548989 - Newbold, PA | 46 mi | 40 min | Calm G 1 | 42°F | 42°F | 1011.6 hPa | ||
| 44065 - Entrance to New York Harbor | 48 mi | 30 min | WSW 5.8 G 7.8 | 50°F | 51°F | 1010.4 hPa | 47°F | |
| BDRN4 - 8539094 - Burlington, Delaware River, NJ | 49 mi | 94 min | WNW 1 G 2.9 | 42°F | 42°F | 1010.8 hPa |
Wind History for Newbold, PA
(wind in knots) EDIT (on/off) Help| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | |
| Last 24hr | -- | S | -- | NW | NW | S | -- | S | NW | N | E | S | SE | -- | NE | NE | NE | E | -- | E | SE | NE | -- | -- |
| 1 day ago | -- | SE | E | E | SE | SE | S | S G6 | -- | E | E | SE | SE | SE | E | E G4 | S | E | SE | S | NE | SE | S | -- |
| 2 days ago | W | W | W G7 | NW | NW G17 | NW G16 | NW G14 | NW G11 | NW G10 | NW G10 | NW | NW | NW | NW | NW G10 | W | NW | NW | W | SE | -- | S | -- | -- |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Miller Air Park, NJ | 18 mi | 14 min | N 0 | 5.00 mi | Light Rain Fog/Mist | 42°F | 42°F | 100% | 1011.7 hPa |
Wind History from MJX (wind in knots)
| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | |
| Last 24hr | Calm | Calm | Calm | W | SW | SW | W | W | S | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm |
| 1 day ago | Calm | Calm | NE | NE | S | S | SE | SE | SE | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | ||
| 2 days ago | W | W | W | NW G17 | W G17 | W G17 | W G15 | NW G17 | NW | NW | W | W | SW | W | W | Calm | Calm | Calm | NW | Calm | Calm | Calm | Calm |
Tide / Current Tables for Barnegat Inlet, USCG Station, Barnegat Bay, New Jersey
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of DataTide / Current data from XTide NOT FOR NAVIGATION
Tide / Current Tables for Barnegat Inlet, Barnegat Bay, New Jersey Current
EDIT (on/off) Help One Week of DataBarnegat Inlet
Click for Map
Tue -- 01:40 AM EST 0.01 knots Slack
Tue -- 03:38 AM EST Moonset
Tue -- 04:23 AM EST 2.21 knots Max Flood
Tue -- 06:46 AM EST Sunrise
Tue -- 07:43 AM EST -0.00 knots Slack
Tue -- 11:37 AM EST -2.54 knots Max Ebb
Tue -- 02:22 PM EST 0.00 knots Slack
Tue -- 03:29 PM EST Moonrise
Tue -- 04:37 PM EST Sunset
Tue -- 04:53 PM EST 2.07 knots Max Flood
Tue -- 08:03 PM EST -0.00 knots Slack
Tue -- 11:50 PM EST -2.42 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 01:40 AM EST 0.01 knots Slack
Tue -- 03:38 AM EST Moonset
Tue -- 04:23 AM EST 2.21 knots Max Flood
Tue -- 06:46 AM EST Sunrise
Tue -- 07:43 AM EST -0.00 knots Slack
Tue -- 11:37 AM EST -2.54 knots Max Ebb
Tue -- 02:22 PM EST 0.00 knots Slack
Tue -- 03:29 PM EST Moonrise
Tue -- 04:37 PM EST Sunset
Tue -- 04:53 PM EST 2.07 knots Max Flood
Tue -- 08:03 PM EST -0.00 knots Slack
Tue -- 11:50 PM EST -2.42 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 |
| -1.9 | -0.9 | 0.4 | 1.5 | 2.2 | 2.1 | 1.4 | 0.6 | -0.2 | -1.1 | -1.8 | -2.4 | -2.5 | -1.7 | -0.5 | 0.8 | 1.7 | 2.1 | 1.7 | 0.9 | 0 | -0.8 | -1.6 | -2.2 |
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 (6,6,7,8)
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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. |