Rio Grande, NJ Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Rio Grande, NJ


December 11, 2023 6:24 AM EST (11:24 UTC)
Sunrise 7:08AM   Sunset 4:38PM   Moonrise  6:49AM   Moonset 4:21PM 

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. Privacy and Cookie policy

Marine Forecasts
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ANZ431 Delaware Bay Waters South Of East Point Nj To Slaughter Beach De- 545 Am Est Mon Dec 11 2023
.gale warning in effect until 4 pm est this afternoon...
Today..NW winds 25 to 30 kt, diminishing to 20 to 25 kt late. Waves 2 to 4 ft. Rain early this morning, then a chance of rain late this morning.
Tonight..NW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Waves 2 to 4 ft.
Tue..W winds 5 to 10 kt, becoming sw in the afternoon. Waves 2 to 3 ft.
Tue night..SW winds 10 to 15 kt. Waves around 2 ft.
Wed..NW winds 10 to 15 kt. Waves 2 to 3 ft.
Wed night..NW winds around 15 kt with gusts up to 20 kt. Waves 2 to 3 ft.
Thu..NW winds 10 to 15 kt, becoming W after midnight. Waves around 2 ft.
Fri..W winds around 10 kt. Waves around 2 ft.

ANZ400 545 Am Est Mon Dec 11 2023
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. Low pressure and a strong cold front cross exit the region and move towards new england today. High pressure builds in behind the low for the start of the week. A weak cold front drops though the area early Wednesday. More high pressure returns for the end of the week.


7 Day Forecast for Marine Location Near Rio Grande, NJ
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Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 110821 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 321 AM EST Mon Dec 11 2023

SYNOPSIS
Low pressure and a strong cold front cross exit the region and move towards New England today. High pressure builds in behind the low for the start of the week. A weak cold front drops though the area early Wednesday. More high pressure returns for the end of the week.

NEAR TERM /THROUGH TONIGHT/
The storm system continues to work its way through the region.
Widespread rain continues to impact portions of the region. The cold front has pushed offshore as of 1 AM, and low pressure will develop along the front as it departs offshore to the east.
Behind the cold front, winds have shifted to the northwest and generally range from 10-20 mph with gusts near 25-30 mph at times. Winds may lessen a bit over the next few hours until near daybreak when the deeper cold advection arrives and precipitation ends, helping to increase boundary layer mixing.

Between 1 and 2 inches of rain has fallen across the region, with the heaviest rain into southeast New Jersey and Delmarva where 3 to 4 inches of rain has fallen. Several Flood Warnings are in effect early this morning, mainly for smaller streams and creeks. Along the coast, flooding may be a combination of both heavy rain and high tide. The Flood Watch remains in effect south of I-78 through today. Additional rainfall amounts near a quarter of an inch may occur until precip ends. Streams and creeks continue to rise across the area and slower responding main stems rivers will follow suit later today through Tuesday.

Temperatures will continue to fall into the 40s tonight behind the cold front with temperatures in the 30s by daybreak.
Northwest winds will become quite breezy overnight with gusts remaining near 25-30 mph as the surface low strengthens rapidly offshore.

Last, but not least, is the expected rain to snow transition on the back side of the departing system this morning for areas near and especially northwest of I-95. Accumulating snowfall is already underway across the southern Poconos as of 3 AM.
Guidance remains in good consensus that some precipitation will linger across the area through around 8-9 AM as colder northwest flow takes over the region. Areas northwest of the I-95 urban corridor (primarily Poconos, Lehigh Valley, and northwest NJ)
are expected to see a transition to a period of snow before the precipitation exits the area. This transition may occur as far south as the urban corridor this morning. Accumulating snow is forecast primarily for higher elevations near and above 1,000 feet in eastern Pennsylvania and northwest New Jersey. Across the Pocono Plateau, temperatures will drop low enough to support snow accumulations of 2-3 inches with potential for amounts near 5 inches possible above 1,800 feet. A Winter Weather Advisory remains in effect through noon today. The snowfall will likely impact the morning commute in these areas.

Farther southeast and at lower elevations, temperatures will likely be too warm to support snowfall accumulation even where a transition to snow does occur. A dusting is possible into the I-78 corridor, Berks County, and western Chester County, however travel impacts are currently unlikely aside from a few slippery spots on the roads given the warmer temperatures.

Aside from the snow potential, today will be cold and blustery with temperatures struggling to climb into the mid 40s. Winds will peak by late morning and early afternoon near 15-25 mph with gusts of 30-40 mph possible throughout the day. Some clearing of skies may occur immediately following the end of the precipitation this morning, however scattered to broken stratocumulus will likely develop in its wake during the afternoon. Some light snow showers may linger in the southern Poconos.

High pressure will build in from the southwest overnight as the gradient relaxes. The strong northwest winds will diminish into the evening, but should remain from the west near 5-10 mph overnight as a gradient will persist in the region. Low temperatures will be main in the mid 20s by Tuesday morning under mostly clear skies.

SHORT TERM /TUESDAY THROUGH WEDNESDAY NIGHT/
Rather tranquil weather expected for Tuesday and Wednesday.
High pressure continually builds in Tuesday and into Wednesday with temperatures expected to remain below climo. Highs on Tuesday will largely be in the mid 40s with mid 30s to low 40s for higher elevations. Tuesday night lows will be in the 20s with low 30s in the immediate Philly metro.

On Wednesday, an upper level trough will drop across New England and drag along a cold front across the Mid Atlantic region. Frontal passage should be mostly dry, though NW flow behind the front could set up the potential for some flurries across the Poconos and Lehigh Valley. Low-level thickness values will drop behind this front and introduce a reinforcing shot of cold air into the region. Daytime highs should be similar to Tuesday, but nighttime lows Wednesday night will take a further tumble, dropping temps into the low 20s. A cold NW breeze behind the front will help bring wind chill values overnight into the teens with single digits in the Poconos.

LONG TERM /THURSDAY THROUGH SUNDAY/
Overall a quiet long term period. For Thursday, the cold air will remain, with possibly the coldest morning of the week, but as stronger surface high pressure shifts east from the Midwest across the Mid-Atlantic, skies should turn out sunny and be accompanied by fairly light winds.

Temperatures rebound to around climo on Friday, with afternoon highs in the upper 40s to around 50 for most.

High pressure will then slowly lift out across New England through Saturday with our next system beginning to approach the region late Sunday and Monday. Quite a bit of model spread at this point, so stuck closely with the consensus NBM blend during this time.

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

Through 14Z...Widespread rain with MVFR conditions will begin to improve towards 12Z as precip tapers off from west to east.
Guidance remains overzealous in depicting IFR conditions in the wake of the cold front, however some IFR ceilings cannot be ruled out. A period of -RASN is possible at all sites outside of MIV/ACY from around 09-14Z. Northwest winds near 10-15 kt with 20-25 kt gusts possible. Moderate confidence overall, but lower confidence on potential for IFR.

Today...Lingering MVFR conditions with clear out to VFR by 13-15Z at all sites, though some SCT to BKN clouds will likely linger in spots. Northwest winds increasing to 15-25 kts with gusts near 25-35 kts. High confidence on prevailing VFR today and gusty winds.

Tonight...VFR with clearing skies. Winds diminishing and shifting westerly to around 5-10 kts. High confidence.

Outlook...

Tuesday...VFR expected. WSW winds 5-10 kts.

Wednesday...VFR expected. WNW winds 10 kts with gusts around 15 kts.

Thursday and Friday...VFR expected. W/NW winds around 10 kts.

MARINE
Winds have shifted to the northwest behind a cold front that passed offshore just after midnight. Winds will then increase to 20-30 kts by daybreak, when gusts of 40-45 kts are forecast across the Atlantic waters. Winds then diminish later today afternoon into Monday evening. A Gale Warning remains in effect for all coastal waters through today.

Widespread moderate to heavy rain and perhaps some thunder will continue with visibility 1-3 NM. The rain will end shortly after daybreak this morning.

For tonight, Small Craft Advisory conditions will linger, especially across the Atlantic coastal waters where elevated seas will linger near 5-8 feet while gradually diminishing overnight. Northwest winds near 20-25 kts early will diminish to near 10-15 kts late. Fair weather.

Outlook...

Tuesday...SCA criteria possible early; seas may linger around 5 feet. Winds WSW around 10 kts becoming 15 kts at night.

Wednesday...SCA criteria possible late. WNW winds 10-15 kts during the day ramp up to 15-20 kts with gusts up to 25 kts at night. Seas build to 3-5 feet.

Thursday...SCA criteria possible early before diminishing quickly through the day. WNW winds 15-20 kts with gusts up to 25 kts in the morning subside to 10-15 kts. Seas 2-4 feet.

Friday...No headlines expected. W winds 10-15 kts with seas 2-3 feet.

HYDROLOGY
A Flood Watch continues for the forecast area through this afternoon. While the heaviest rain has already ended, streams and creeks continue to rise at a steady rate early this morning, and several across southeast Pennsylvania and New Jersey have risen into flood stage. A widespread 1.5 to 2 inches of rain has fallen across the area, with a stripe of 3 to 4 inches across the coastal plain. Additional rainfall amounts near a quarter of an inch are possible through daybreak before the rain ends.
Main stem rivers have begun to respond as well, however widespread river flooding is not expected given the antecedent dry conditions. Excessive runoff may result in some additional flooding of creeks, streams, and other low- lying and flood- prone locations into this afternoon. Minor flooding is forecast at Pine Brook on the Passaic River, Blackwells Mills on the Millstone River, and Pemberton on the Rancocas Creek.

TIDES/COASTAL FLOODING
Persistent southerly winds have caused a buildup of water in Barnegat Bay. Northwest winds will push the excess water into the back bays of Barnegat Bay along coastal Ocean County. Minor inundation on the most vulnerable roads is likely, and cannot rule out spotty moderate coastal flooding, especially near Mantoloking. Spotty minor flooding also cannot be ruled out for other back bay coastal communities in NJ and DE, however additional advisories are not anticipated at this time.

PHI WATCHES/WARNINGS/ADVISORIES
PA...Flood Watch through this afternoon for PAZ070-071-101>106.
Winter Weather Advisory until noon EST today for PAZ054-055.
NJ...Flood Watch through this afternoon for NJZ008>010-012>027.
Coastal Flood Advisory until 10 AM EST this morning for NJZ020- 026.
DE...Flood Watch through this afternoon for DEZ001>004.
MD...Flood Watch through this afternoon for MDZ012-015-019-020.
MARINE...Gale Warning until 4 PM EST this afternoon for ANZ430-431.
Gale Warning until 7 PM EST this evening for ANZ450>455.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
CMAN4 - 8536110 - Cape May, NJ 5 mi55 min WNW 23G29 42°F 29.74
BRND1 - 8555889 - Brandywine Shoal Light, DE 12 mi55 min 29.76
LWSD1 - 8557380 - Lewes, DE 20 mi55 min WNW 22G28 41°F 50°F29.78
SJSN4 - 8537121 - Ship John Shoal, NJ 33 mi55 min WNW 22G25 37°F 55°F29.80
44084 34 mi59 min 51°F3 ft
ACYN4 - 8534720 - Atlantic City, NJ 35 mi55 min 44°F 50°F29.60
44009 - DELAWARE BAY 26 NM Southeast of Cape May, NJ 39 mi45 min WNW 23G29 46°F 54°F29.7745°F
JCRN4 - Jacques Cousteau Reserve, NJ 43 mi55 min W 5.1 43°F 29.6843°F
OCIM2 - 8570283 - Ocean City Inlet, MD 48 mi55 min WNW 11G15 42°F 52°F29.74

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Wind History for Cape May, NJ
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KWWD CAPE MAY COUNTY,NJ 1 sm29 minWNW 11G217 smOvercast Rain 39°F39°F100%29.79

Wind History from WWD
(wind in knots)


Tide / Current for Old Turtle Thorofare, RR. bridge, New Jersey
   
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Old Turtle Thorofare
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Mon -- 12:31 AM EST     0.05 feet Low Tide
Mon -- 05:48 AM EST     Moonrise
Mon -- 06:41 AM EST     4.88 feet High Tide
Mon -- 07:07 AM EST     Sunrise
Mon -- 01:20 PM EST     -0.14 feet Low Tide
Mon -- 03:20 PM EST     Moonset
Mon -- 04:36 PM EST     Sunset
Mon -- 07:03 PM EST     3.91 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Old Turtle Thorofare, RR. bridge, New Jersey, Tide feet
12
am
0.1
1
am
0.1
2
am
0.8
3
am
1.9
4
am
3.1
5
am
4.1
6
am
4.7
7
am
4.9
8
am
4.4
9
am
3.4
10
am
2.3
11
am
1.2
12
pm
0.4
1
pm
-0.1
2
pm
0
3
pm
0.8
4
pm
1.9
5
pm
2.9
6
pm
3.6
7
pm
3.9
8
pm
3.7
9
pm
2.9
10
pm
1.9
11
pm
1



Tide / Current for Delaware Bay Entrance, Delaware Current
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Delaware Bay Entrance
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Mon -- 01:45 AM EST     0.00 knots Slack
Mon -- 05:00 AM EST     1.54 knots Max Flood
Mon -- 05:48 AM EST     Moonrise
Mon -- 07:08 AM EST     Sunrise
Mon -- 08:21 AM EST     -0.00 knots Slack
Mon -- 11:56 AM EST     -1.53 knots Max Ebb
Mon -- 03:02 PM EST     0.00 knots Slack
Mon -- 03:22 PM EST     Moonset
Mon -- 04:38 PM EST     Sunset
Mon -- 05:43 PM EST     1.16 knots Max Flood
Mon -- 08:47 PM EST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Delaware Bay Entrance, Delaware Current, knots
12
am
-1
1
am
-0.5
2
am
0.2
3
am
0.8
4
am
1.3
5
am
1.5
6
am
1.4
7
am
0.9
8
am
0.2
9
am
-0.4
10
am
-1
11
am
-1.4
12
pm
-1.5
1
pm
-1.3
2
pm
-0.7
3
pm
-0
4
pm
0.6
5
pm
1.1
6
pm
1.1
7
pm
0.9
8
pm
0.4
9
pm
-0.1
10
pm
-0.7
11
pm
-1




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