Thursday, February27, 2020
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Marine Weather and Tides
Mays Landing, NJ

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:32AMSunset 5:48PM Thursday February 27, 2020 1:36 PM EST (18:36 UTC) Moonrise 9:46AMMoonset 10:38PM Illumination 18% Phase: Waxing Crescent; Moon at 4 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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ANZ452 Coastal Waters From Little Egg Inlet To Great Egg Inlet Nj Out 20 Nm- 1228 Pm Est Thu Feb 27 2020
.gale warning in effect through Friday morning...
This afternoon..W winds 25 to 30 kt with gusts up to 40 kt. Seas 4 to 6 ft. SWell mainly from the se with a dominant period of 6 seconds.
Tonight..W winds 25 to 30 kt, diminishing to 20 to 25 kt late. Gusts up to 40 kt. Seas 4 to 6 ft. SWell mainly from the se with a dominant period of 5 seconds.
Fri..W winds 20 to 25 kt with gusts up to 35 kt. Seas 3 to 5 ft. SWell mainly from the S with a dominant period of 7 seconds.
Fri night..W winds 15 to 20 kt with gusts up to 30 kt, becoming nw 10 to 15 kt with gusts up to 20 kt late. Seas 3 to 5 ft. SWell mainly from the sw with a dominant period of 9 seconds.
Sat..W winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft.
Sat night..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft.
Sun..W winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft.
Sun night..W winds 10 to 15 kt with gusts up to 20 kt, becoming S around 5 kt after midnight. Seas around 3 ft.
Mon..S winds 5 to 10 kt. Seas 2 ft or less.
Mon night..SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 ft or less. A chance of showers.
ANZ400 1228 Pm Est Thu Feb 27 2020
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. Strong low pressure will continue to gradually move across new england and adjacent canada through this afternoon. The low will then move farther away tonight and Friday. A weak cold front will move across the area Friday night, then high pressure builds to our south through the weekend before moving offshore by Monday morning. A series of low pressure systems then look to track through the great lakes through the middle of next week.


7 Day Forecast for Marine Location Near Mays Landing, NJ
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location: 39.45, -74.73     debug


Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 271727 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 1227 PM EST Thu Feb 27 2020

SYNOPSIS. Strong low pressure will continue to gradually move across New England and adjacent Canada through this afternoon. The low will then move farther away tonight and Friday. A weak cold front will move across the area Friday night, then high pressure builds to our south through the weekend before moving offshore by Monday morning. A series of low pressure systems then look to track through the Great Lakes through the middle of next week.

NEAR TERM /UNTIL 6 PM THIS EVENING/. A Wind Advisory remains in effect for much of the area through this afternoon.

The wind surge that occurred earlier this morning has weakened some, however several locations are still reporting wind gusts around 40 mph. There may be some increase for a time this afternoon as the low- level mixing height becomes maximized. The 12z Sterling, VA raob did show 40-45 knots at the top of the mixing layer. The winds though have been overall weaker south of the Wind Advisory (farthest removed from the deep surface low) therefore did not expand the advisory.

For the 1230 PM update, tweaked the hourly grids to account for the current observations and trends. Temperatures have climbed some especially in the coastal plain due to downsloping, but overall trends should be a steady state this afternoon before dropping some closer to early evening. Some flurries are still flying in parts of the southern Poconos so a mention is maintained. The advection of much drier air in the lower levels is resulting in the stratocumulus field becoming shallower, and the most cloud cover should persist the longest across the north and especially northwest zones. Wind chills are running in the 20's for many places (low teens in the Poconos).

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM FRIDAY/. Tonight into Friday, the pressure gradient is not expected to diminish much. Consequently, we'll keep at least breezy conditions across the region at least into Friday afternoon. Even overnight tonight, winds are unlikely to decouple.

Temperatures on Friday are likely to be close to what we see today, with highs mostly in the 30s and 40s.

A narrow surface and low level trough associated with the still departing low could provide enough lift to spark off some rain showers across portions of Delmarva. However, given how much dry air advection we will see before then, it is not expected to amount to much.

LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/. Summary: The first half of the extended will feature cool and mostly dry conditions, while the second half will be warmer with greater precipitation chances. Significant headlines do not appear likely at this time.

Details .

Saturday through Sunday . The cold closed low, initially centered over Quebec, will very slowly progress NE Friday into Saturday. Additional shortwave energy pivoting down the backside of this feature will result in continued mid-lvl height falls over our area through Saturday morning with heights then beginning to rebound as short-wave ridging briefly moves over the area. The occluded & vertically-stacked surface low will weaken north of the area through early Saturday, with a weak surface trough and cold front moving through the area Friday night. High Pressure will then build SE of the area Saturday through Sunday.

Consequently expect a stretch of cool and generally dry weather through the period. High temperatures will likely be coolest on Saturday (behind the weak cold front) with highs generally in the mid to upper 30s. Highs Friday and Sunday look to be about 5 degrees warmer. Although the lack of moisture should keep us generally dry there will be a chance of some light rain/snow showers over Delmarva Friday evening/night as the the weak prefrontal trough attempts to draw some limited moisture into the area. However given how weak the front and associated forcing is don't expect much with this and limited PoPs to Chc. Otherwise do expect a fair amount of cloud cover over the southern 1/2-2/3rds of the area late Friday with Saturday also featuring a good amount of strato-cumulus given the well-mixed boundary layer some moisture in the 800-850 layer.

Monday through Wednesday . By the start of next week synoptic pattern shifts to what has largely been the default pattern this winter . a western Atlantic ridge with upstream troughing over the Central US. This will result in a storm track north and west of the area which will favor warmer temperatures and primarily rain events. At this time details are a bit lacking, but a system does look to track over the Great Lakes Monday PM into Tuesday with a secondary system possibly on its heels on Wednesday. Temperatures will only be a couple degrees above normal Monday but should increase into the low to mid 60s by Wednesday as SW flow increases in association with the aforementioned storm systems.

AVIATION /17Z THURSDAY THROUGH MONDAY/. The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.

This afternoon . VFR with clouds between 4000-5000 feet. Westerly winds sustained around 20 knots with gusts 35-40 knots. Moderate confidence.

Tonight . VFR. Westerly winds diminishing slightly from today, though gusts near 25 kt still possible overnight. Moderate confidence.

Outlook . Friday-Saturday . VFR with westerly winds from 10 to 15 knots and gusts to 25 knots Friday and 20 knots Saturday. A brief period of MVFR CIGs may be possible at RDG and ABE and points north and west Saturday as a disturbance passes across the region. Moderate confidence on winds, low confidence on MVFR CIGs.

Sunday . VFR with northwesterly winds from 5 to 10 knots and gusts to 15 knots. Moderate confidence.

MARINE. Gale Warning remains in effect for all waters through tonight. Westerly wind gusts to 40 knots are expected, although the winds will diminish somewhat tonight (but still remain in gale force).

Outlook . Friday . Winds are expected to subside further, with gusts below gale force expected on the Delaware Bay near sunrise Friday morning, and on the Atlantic coastal waters by late Friday morning. Conditions should subside below SCA by Friday night.

Saturday . Sub SCA conditions for much of the day however westerly wind gusts may exceed 25 kts by the evening into Saturday night. Seas 3-4 ft.

Sunday . Winds should diminish below SCA criteria by Sunday morning with gusts 15-20kts and seas 3-4ft.

PHI WATCHES/WARNINGS/ADVISORIES. PA . Wind Advisory until 6 PM EST this evening for PAZ054-055- 060>062-070-071-101>106. NJ . Wind Advisory until 6 PM EST this evening for NJZ001-007>010- 012>027. DE . Wind Advisory until 6 PM EST this evening for DEZ001. MD . Wind Advisory until 6 PM EST this evening for MDZ008. MARINE . Gale Warning until 10 AM EST Friday for ANZ450>455. Gale Warning until 6 AM EST Friday for ANZ430-431.

Synopsis . Carr/Gorse/Johnson Near Term . Gorse Short Term . Johnson Long Term . Carr Aviation . Carr/Johnson Marine . Carr/Johnson


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
JCRN4 - Jacques Cousteau Reserve, NJ 15 mi66 min W 12 43°F 1005 hPa21°F
ACYN4 - 8534720 - Atlantic City, NJ 18 mi48 min 43°F 45°F1005 hPa
CMAN4 - 8536110 - Cape May, NJ 35 mi48 min WNW 27 G 35 40°F 43°F1006.3 hPa
SJSN4 - 8537121 - Ship John Shoal, NJ 36 mi48 min W 26 G 32 40°F 1006.7 hPa
BRND1 - 8555889 - Brandywine Shoal Light, DE 38 mi54 min WNW 33 G 39 1007 hPa
PHBP1 - 8545240 - Philadelphia, PA 40 mi48 min 41°F 41°F1004.8 hPa
BDSP1 41 mi48 min 41°F 1005.1 hPa
BDRN4 - 8539094 - Burlington, Delaware River, NJ 44 mi60 min WNW 19 G 27 39°F 41°F1003.7 hPa
MRCP1 - 8540433 - Marcus Hook, PA 44 mi48 min 41°F 43°F1005.6 hPa
RDYD1 - 8551910 - Reedy Point, DE 45 mi48 min 40°F 43°F1005.9 hPa
DELD1 - 8551762 - Delaware City, DE 46 mi48 min WNW 19 G 29 41°F 47°F1006.1 hPa
NBLP1 - 8548989 - Newbold, PA 47 mi48 min WNW 19 G 27 40°F 42°F1004.4 hPa

Wind History for Cape May, NJ
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Atlantic City, Atlantic City International Airport, NJ9 mi42 minW 22 G 4010.00 miA Few Clouds and Breezy43°F21°F42%1004.3 hPa
Millville, Millville Municipal Airport, NJ19 mi42 minW 20 G 3310.00 miPartly Cloudy and Breezy42°F18°F38%1005.9 hPa

Link to 5 minute data for KACY

Wind History from ACY (wind in knots)
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Last 24hrNE10NE10E8E9E9E6E12E11E12
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1 day agoSE7SE6E6E4NE5NE4NE4NE5N4N4N3N4NE5NE5N4NE5N4NE3NE6E5N3CalmNE7E8
2 days agoS9S7S7S7S6S7S11S9SW8S7S6S6S5S5SW5SW3S3S4S6S5SE3SE5SE4SE5

Tide / Current Tables for Mays Landing, Great Egg Harbor River, New Jersey
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Mays Landing
Click for Map
Thu -- 12:15 AM EST     3.90 feet High Tide
Thu -- 06:35 AM EST     Sunrise
Thu -- 06:41 AM EST     0.16 feet Low Tide
Thu -- 08:45 AM EST     Moonrise
Thu -- 12:31 PM EST     3.90 feet High Tide
Thu -- 05:48 PM EST     Sunset
Thu -- 06:53 PM EST     0.02 feet Low Tide
Thu -- 09:38 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.93.83.22.41.50.80.30.20.71.72.73.53.83.93.42.61.60.80.200.41.32.43.3

Tide / Current Tables for River Bend Marina, Great Egg Harbor River, New Jersey
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River Bend Marina
Click for Map
Thu -- 05:55 AM EST     0.14 feet Low Tide
Thu -- 06:35 AM EST     Sunrise
Thu -- 08:45 AM EST     Moonrise
Thu -- 11:53 AM EST     3.41 feet High Tide
Thu -- 05:48 PM EST     Sunset
Thu -- 06:07 PM EST     0.02 feet Low Tide
Thu -- 09:38 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.432.31.50.80.30.10.51.22.12.83.33.43.22.51.70.90.300.20.91.82.63.1

Weather Map
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wmap_A
GEOS 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 (13,3,4,5)
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Ground Weather Radar Station Philadelphia, PA
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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 numerous 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.