Thursday, February20, 2020
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Marine Weather and Tides
Wildwood Crest, 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 6:44AMSunset 5:43PM Thursday February 20, 2020 6:25 AM EST (11:25 UTC) Moonrise 6:09AMMoonset 3:52PM Illumination 11% Phase: Waning Crescent; Moon at 26 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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ANZ431 Delaware Bay Waters South Of East Point Nj To Slaughter Beach De- 320 Am Est Thu Feb 20 2020
.small craft advisory in effect from late tonight through Friday morning...
Today..N winds 5 to 10 kt. Waves 2 ft or less.
Tonight..N winds around 5 kt, increasing to 15 to 20 kt with gusts up to 25 kt. Waves 2 ft or less, then around 3 ft after midnight.
Fri..N winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt in the afternoon. Waves around 3 ft until late afternoon, then 2 ft or less.
Fri night..W winds 5 to 10 kt. Waves 2 ft or less.
Sat..W winds 10 to 15 kt. Waves 2 ft or less.
Sat night..W winds 5 to 10 kt. Waves 2 ft or less.
Sun..W winds around 5 kt, becoming S in the afternoon. Waves 2 ft or less.
Sun night..S winds 5 to 10 kt. Waves 2 ft or less.
Mon..S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Waves 2 ft or less, then around 3 ft in the afternoon. A chance of rain in the afternoon.
Mon night..S winds 10 to 15 kt. Gusts up to 20 kt after midnight. Waves around 3 ft. A chance of rain.
ANZ400 320 Am Est Thu Feb 20 2020
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. High pressure located over the upper midwest will continue to slowly shift south and east over the next few days, with the center of the high finally passing off the carolina coast on Sunday. Low pressure is expected to progress from the middle mississippi river valley on Monday to the northeastern states on Tuesday. Another area of low pressure may trail behind this low and impact the area towards the middle of next week.


7 Day Forecast for Marine Location Near Wildwood Crest , NJ
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location: 38.98, -74.86     debug


Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 200908 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 408 AM EST Thu Feb 20 2020

SYNOPSIS. High pressure located over the Upper Midwest will continue to slowly shift south and east over the next few days, with the center of the high finally passing off the Carolina coast on Sunday. Low pressure is expected to progress from the middle Mississippi River Valley on Monday to the northeastern states on Tuesday. Another area of low pressure may trail behind this low and impact the area towards the middle of next week.

NEAR TERM / THROUGH MIDNIGHT/.

The main influence on our weather the next few days will be the area of strong High Pressure currently centered over the Upper Midwest. Cool northerly flow will prevail on the eastern periphery of this feature today, and highs are expected to be around 5-10 degrees below normal (e.g. mostly upper 30s to lower 40s). The upper-lvl jet axis will pivot overhead today which should support a steady stream of mid-high clouds.

Although the vast majority of the area should remain dry due to the influence of the aforementioned high there are two potential areas that may see precipitation later this afternoon into this evening. The first (and more likely) of these areas is southern Delmarva and far southern NJ, where the northern fringe of the moisture envelope associated with a strengthening low off the NC coast will encroach upon our "dry bubble". Generally think the high will win out and keep any significant precipitation shunted to our south. That being said due to the cool and dry airmass if precipitation is able to fall it would likely come in the form of snow, and can't rule out a dusting to a few tenths over the far south this afternoon into this evening if things over-perform relative to current expectations.

The second potential area of precipitation (in the form of flurries or light snow showers) would be in far northern and western portions of our area in association with a cold front and approaching shortwave late this afternoon. Since it will be even drier relative to Delmarva generally don't have high expectations that measurable snowfall will occur with this front, and consequently left most areas with non-mentionable PoPs outside of the Poconos and western Berks county.

SHORT TERM /TONIGHT/.

The cold front will continue to push through the region for the first half of the overnight period, while the approaching shortwave should begin to lift the low to our south out to sea. Drier air filtering in behind the front should result in clearing skies from N-S with mostly clear skies expected by Friday morning. Any light precipitation either associated with the front or the southern low should clear the area by midnight.

Overnight lows will be a bit challenging as this will be a situation where the winds will remain somewhat elevated behind the front, but at the same time there will be fairly strong cold advection. Consequently went towards the mean of guidance which results in a fairly cool night with lows bottoming out in the upper teens to lower 20s by Friday morning, but temperatures could be locally colder in prone spots (e.g. Pine Barrens, PA valleys) if we decouple.

LONG TERM /FRIDAY THROUGH WEDNESDAY/.

Friday through Sunday . The start of the extended will be quite uneventful as the expansive Central US High very slowly drifts southeastwards and also weakens. At upper levels the area will remain displaced from both the southern and northern streams which will further support the tranquil weather . and even clouds will be hard to come by.

Friday will remain on the cool side with highs generally only in the mid to upper 30s but we will begin to warm up quickly over the weekend as the low-lvl flow backs to more westerly and then southwesterly. Saturday's highs should be in the upper 40s to lower 50s, while Sunday's highs will generally be in the low to mid 50s. These temperatures combined with abundant sunshine should make for a very nice weekend.

Monday through Wednesday . The High will have finally shifted offshore by Monday and some moisture will start to return as southerly flow increases. Guidance has slowed a bit with the arrival of the next storm system (with some lingering discrepancies among individual models), delaying it until Monday night or Tuesday. The thermal profiles do not support much chance of significant wintry precipitation with this system so at the moment think this will be primarily a rain event (with the most likely time for steady rain being Tuesday). There is the potential for a secondary system Wednesday into Thursday of next week but details are lacking at this time.

Temperatures will likely be quite warm on Monday and Tuesday with highs generally in the 50s (with some potential for 60s even), before cooling off a bit on Wednesday behind the cold front. Of note there is a pretty strong signal in the ensemble guidance for a period of colder temperatures late next week but specific details are naturally lacking.

AVIATION /08Z THURSDAY THROUGH MONDAY/. The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.

Today . VFR conditions expected with mid and high clouds early, with some lower ceilings (but still VFR) moving in late this afternoon. Winds will generally be NW-N around 5 kts. High confidence.

Tonight . VFR with ceilings clearing out through the first half of the night. N/NE winds around 10-15 kts expected.

Outlook .

Friday-Sunday . VFR with North-Northwest winds 5 to 10 knots Friday becoming westerly 10 kts on Saturday, and then southwesterly 5-10 kts on Sunday. Winds may become light and variable overnight each day. High confidence.

Monday . Mainly VFR. A chance of rain in the afternoon. South wind 5 to 10 knots. High confidence.

MARINE.

Seas will generally be 2 ft or less through most of the day today with northerly winds 5-10 kts and gusts 10-15kts.

Behind a cold front this evening northerly winds should increase to sustained 20-25 kts with gusts up to 30kts while seas will increase to 4-6 ft by Friday morning. Some snow showers will be possible late this afternoon into this evening across the far southern waters.

Outlook .

Friday . SCA conditions are expected through the early afternoon Friday after which time winds and seas should dip below SCA criteria.

Friday night through Monday . Sub-SCA conditions expected through the period with seas generally running 2-3 ft and gusts 20 kts or less.

PHI WATCHES/WARNINGS/ADVISORIES. PA . None. NJ . None. DE . None. MD . None. MARINE . Small Craft Advisory from midnight tonight to 4 PM EST Friday for ANZ452>455. Small Craft Advisory from midnight tonight to noon EST Friday for ANZ430-431-450-451.

Synopsis . Carr Near Term . Carr Short Term . Carr Long Term . Carr Aviation . Carr Marine . Carr


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CMAN4 - 8536110 - Cape May, NJ 5 mi55 min NNE 4.1 G 7 36°F 44°F1030.8 hPa
BRND1 - 8555889 - Brandywine Shoal Light, DE 13 mi61 min NNE 18 G 21 1031.3 hPa
LWSD1 - 8557380 - Lewes, DE 19 mi55 min N 17 G 19 39°F 44°F1030.9 hPa
ACYN4 - 8534720 - Atlantic City, NJ 35 mi55 min 34°F 43°F1031.6 hPa
SJSN4 - 8537121 - Ship John Shoal, NJ 35 mi55 min N 8 G 12 36°F 46°F1031.4 hPa
44009 - DELAWARE BAY 26 NM Southeast of Cape May, NJ 37 mi35 min N 19 G 23 41°F 48°F4 ft1026.2 hPa (+0.6)
OCIM2 - 8570283 - Ocean City Inlet, MD 47 mi55 min NE 11 G 16 40°F 44°F1031 hPa

Wind History for Cape May, NJ
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wildwood, Cape May County Airport, NJ3 mi29 minN 510.00 miFair32°F18°F56%1031.5 hPa

Link to 5 minute data for KWWD

Wind History from WWD (wind in knots)
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Last 24hrNW56NW8NW7W8
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NW8W9W9W7NW754NW4CalmCalmW4NW5N4N3N4N5N5
1 day agoE7E8E9E9SE12SE9S9S7S10S9S6S7SW4SW5SW3W4W5Calm----NW5NW7NW7
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2 days agoN3N8NE10NE11E12E9NE8E8E5E5E6E4CalmE4NE4E3NE4N4E4E6E6E6E8E9

Tide / Current Tables for Swain Channel, Taylor Sound, New Jersey
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Swain Channel
Click for Map
Thu -- 05:08 AM EST     Moonrise
Thu -- 05:56 AM EST     4.67 feet High Tide
Thu -- 06:45 AM EST     Sunrise
Thu -- 12:01 PM EST     -0.07 feet Low Tide
Thu -- 02:52 PM EST     Moonset
Thu -- 05:41 PM EST     Sunset
Thu -- 06:25 PM EST     3.95 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.91.92.83.74.44.74.33.52.51.30.3-0.10.20.91.82.73.43.93.83.22.41.40.5

Tide / Current Tables for Delaware Bay Entrance, Delaware Current
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Delaware Bay Entrance
Click for Map
Thu -- 01:10 AM EST     0.00 knots Slack
Thu -- 04:13 AM EST     1.44 knots Max Flood
Thu -- 05:09 AM EST     Moonrise
Thu -- 06:45 AM EST     Sunrise
Thu -- 07:41 AM EST     -0.00 knots Slack
Thu -- 11:10 AM EST     -1.36 knots Max Ebb
Thu -- 02:24 PM EST     0.00 knots Slack
Thu -- 02:53 PM EST     Moonset
Thu -- 04:55 PM EST     1.11 knots Max Flood
Thu -- 05:42 PM EST     Sunset
Thu -- 07:59 PM EST     -0.00 knots Slack
Thu -- 11:15 PM EST     -1.10 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.7-0.10.51.11.41.310.4-0.2-0.7-1.1-1.4-1.2-0.9-0.30.40.91.10.90.5-0-0.5-0.8-1.1

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



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Wind Forecast for Philadelphia/Mount Holly, PA (6,6,7,8)
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Ground Weather Radar Station Dover AFB, DE
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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.