Cape May, NJ Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Cape May, NJ


October 3, 2023 3:58 PM EDT (19:58 UTC)
Sunrise 6:56AM   Sunset 6:41PM   Moonrise  9:14PM   Moonset 11:52AM 

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- 104 Pm Edt Tue Oct 3 2023
This afternoon..SE winds 5 to 10 kt. Waves around 2 ft.
Tonight..S winds around 5 kt. Waves around 2 ft.
Wed..W winds around 5 kt, becoming se in the afternoon. Waves around 2 ft.
Wed night..SE winds 5 to 10 kt, diminishing to around 5 kt after midnight. Waves around 2 ft.
Thu..E winds 5 to 10 kt. Waves around 2 ft or less, then around 2 ft in the afternoon.
Thu night..E winds 5 to 10 kt. Waves around 2 ft.
Fri..E winds 5 to 10 kt, becoming S after midnight. Waves around 2 ft. A chance of showers through the night.
Sat..NW winds 10 to 15 kt, increasing to 15 to 20 kt. Waves 2 to 3 ft. A chance of showers.

ANZ400 104 Pm Edt Tue Oct 3 2023
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. An expansive area of high pressure will remain over our region through tonight, then it weakens and shifts northeast Wednesday into Thursday. A cold front moves through on Saturday, which brings a colder and much drier air mass into our region over the weekend and early next week.


7 Day Forecast for Marine Location Near Cape May, NJ
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Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 031901 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 301 PM EDT Tue Oct 3 2023

SYNOPSIS
An expansive area of high pressure will remain over our region through tonight, then it weakens and shifts northeast Wednesday into Thursday. A cold front moves through on Saturday, which brings a colder and much drier air mass into our region over the weekend and early next week.

NEAR TERM /THROUGH WEDNESDAY/
A robust surface high pressure across Appalachians will shift eastward and squarely overhead by Wednesday, continuing our stretch of sunny, dry, and warm weather.

A light and variable wind is anticipated tonight. Tonight's lows should favor the 50s with another round of valley fog developing early Wednesday morning.

With a surface high pressure system and a strong ridge aloft, we are set for what will likely be the warmest day of the week. Highs will generally be in the low to mid 80s. This would not be enough to challenge daily record high temperatures that are mainly in the upper 80s, but will be well above average for October 4th. A sea breeze will likely be enhanced on Wednesday as the low-level synoptic flow becomes more southeasterly. This coupled with ocean water temperatures in the mid to upper 60s will result in noticeably cooler temperatures at the beaches.

SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY/
High pressure will remain in control of our weather through Thursday, with another mostly clear night with similar temperatures to the previous few nights. Along with calm winds, conditions will once again be favorable for some patchy valley fog early Thursday morning, mainly around eastern PA and northwest NJ outside of the urban corridor. This should tend to be reduced in coverage compared to the previous nights though, as the past couple warm and sunny days help to evaporate some of the soil moisture. We will begin to see some signs of change on Thursday, as there may be at least some increase in clouds by the end of the day. Overall though, expect one more warm and generally sunny day for most areas with highs only stepping back slightly from Wednesday...still in the upper 70s to near 80 outside of the immediate coast and Appalachians.

Thicker clouds will overspread our region on Thursday night into Friday morning. The low-level flow will be onshore, east to southeast. There has been a consistent signal for some low clouds if not even some light rain or drizzle potential Friday morning. Confidence is low on coverage, so kept the POPs through midday Friday below 20 percent in most areas. Models generally agree that a weak shortwave will be approaching our areas from the west-southwest Friday afternoon, well in advance of the main upper-level trough and associated surface cold front tracking across the Great Lakes and the Ohio Valley. Deep moisture and forcing as well as instability looks like it will be lacking at that time, so while I would not completely rule out thunder, we have kept fairly low chances for showers around through the day Friday. Conditions will still be warm and even somewhat humid, with highs well into the 70s, accompanied by dew points rising through the 60s.

LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/
The better chance for rain continues to look like it will precede and accompany the main cold front passage. While we will continue to refine the exact timing, at this point it looks like it will come through from west to east at some point during the day Saturday. As the main trough takes on a negative tilt and closes off near the eastern Great Lakes or southern Ontario late Saturday into early Sunday, some fairly dynamic forcing may accompany the front. With that in mind, despite a lack of instability in the model guidance, decided to toss in a slight chance for thunderstorms over northern portions of our region Saturday afternoon. That could just as easily occur earlier in the day or elsewhere depending on just how much instability there is and the exact timing of the front.
Otherwise, this pattern does not look to favor heavy rainfall, and the severe weather potential looks very low at this time.
Southerly winds ahead of the front do not look strong, but could become rather gusty from the west through Sunday, with strong cold air advection in the wake of the front.

Through early next week, an upper-level low will gradually lift northward near Quebec. Cyclonic flow along with colder air aloft may result in stratocumulus developing overhead or spreading in from the west. Shortwaves rotating around the low may help a few showers to reach the Poconos or northwest NJ, otherwise expect dry and cool weather for most of our region. A gusty westerly wind on Sunday should diminish through Monday, but will add to the chill after the previous warm week. High temperatures both days in the 50s to low 60s, and low temperatures each night down into the 40s (even some mid/upper 30s in the Poconos).

AVIATION /19Z TUESDAY THROUGH SUNDAY/
The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas...

The rest of today (through 00Z)...VFR. Variable wind 5 knots or less. High confidence.

Tonight...VFR under a mostly clear sky. Areas of fog may impact some of our TAF sites after 06Z. Variable wind 5 knots or less.
Medium to high confidence.

Wednesday...Some patchy early morning fog, otherwise VFR. Light and variable winds becoming east to southeast 5-10 knots during the day.
Low confidence regarding early morning fog, high confidence for VFR thereafter.

Outlook...

Wednesday night...VFR under a mostly clear sky. Patchy fog possible. Variable wind 5 knots or less. Medium to high confidence.

Thursday...VFR. Light and variable winds becoming southeasterly 5-10 knots. Moderate confidence.

Friday...MVFR conditions possible with an increasing chance for showers by later in the day and especially at night. Southeast to south winds near 10 knots. Low confidence.

Saturday...MVFR/IFR conditions with showers. Southwest winds 5-10 knots becoming west to northwest 10-15 knots and possibly gusty. Low confidence.

Sunday...Mainly VFR conditions. Westerly winds 15-25 kt and gusty.

MARINE
Winds will be variable around 10 knots or less tonight and Wednesday. Seas will remain around 3 to 4 feet with waves on Delaware Bay at 2 feet or less.

Outlook...

Thursday...The conditions are anticipated to be below Small Craft Advisory criteria.

Friday and Saturday...Small Craft Advisory possible, mainly due to seas on the ocean zones that may build to 5-6 feet Friday night into Saturday. Southerly winds will increase some, however the strongest winds (possibly gusting to 25 knots) should occur Saturday with a wind shift from the west and northwest in the wake of a strong cold front.

Sunday...Expect Small Craft Advisories for most of our coastal waters, with brisk westerly winds 15-25 kt and seas lingering around 5-6 ft.

PHI WATCHES/WARNINGS/ADVISORIES
PA...None.
NJ...None.
DE...None.
MD...None.
MARINE...None.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
CMAN4 - 8536110 - Cape May, NJ 4 mi59 min SW 5.1G5.1 71°F 30.17
BRND1 - 8555889 - Brandywine Shoal Light, DE 12 mi59 min 30.19
LWSD1 - 8557380 - Lewes, DE 17 mi59 min E 5.1G7 72°F 69°F30.17
44084 30 mi63 min 71°F3 ft
DRSD1 - Delaware Reserve, DE 31 mi149 min E 2.9 76°F 30.1865°F
44009 - DELAWARE BAY 26 NM Southeast of Cape May, NJ 35 mi49 min ENE 1.9G3.9 69°F 68°F30.1761°F
ACYN4 - 8534720 - Atlantic City, NJ 38 mi59 min 68°F 67°F30.12
OCIM2 - 8570283 - Ocean City Inlet, MD 44 mi59 min SE 4.1G6 70°F 69°F30.13
JCRN4 - Jacques Cousteau Reserve, NJ 46 mi89 min E 4.1 77°F 30.2161°F

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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 4 sm62 minvar 0410 smClear77°F63°F61%30.18

Wind History from WWD
(wind in knots)


Tide / Current for Cape May Harbor, New Jersey
   
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Cape May Harbor
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Tue -- 04:54 AM EDT     -0.02 feet Low Tide
Tue -- 06:57 AM EDT     Sunrise
Tue -- 11:35 AM EDT     5.44 feet High Tide
Tue -- 11:51 AM EDT     Moonset
Tue -- 05:42 PM EDT     0.18 feet Low Tide
Tue -- 06:39 PM EDT     Sunset
Tue -- 09:14 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Cape May Harbor, New Jersey, Tide feet
12
am
4.6
1
am
3.7
2
am
2.4
3
am
1.2
4
am
0.3
5
am
-0
6
am
0.4
7
am
1.4
8
am
2.7
9
am
3.9
10
am
4.8
11
am
5.4
12
pm
5.4
1
pm
4.7
2
pm
3.6
3
pm
2.3
4
pm
1.2
5
pm
0.4
6
pm
0.2
7
pm
0.7
8
pm
1.6
9
pm
2.6
10
pm
3.5
11
pm
4.1



Tide / Current for Delaware Bay Entrance, Delaware Current
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Delaware Bay Entrance
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Tue -- 01:12 AM EDT     -0.00 knots Slack
Tue -- 04:29 AM EDT     -1.35 knots Max Ebb
Tue -- 06:57 AM EDT     Sunrise
Tue -- 07:16 AM EDT     0.00 knots Slack
Tue -- 10:19 AM EDT     1.65 knots Max Flood
Tue -- 11:51 AM EDT     Moonset
Tue -- 01:35 PM EDT     -0.00 knots Slack
Tue -- 05:11 PM EDT     -1.46 knots Max Ebb
Tue -- 06:40 PM EDT     Sunset
Tue -- 08:18 PM EDT     0.00 knots Slack
Tue -- 09:15 PM EDT     Moonrise
Tue -- 10:59 PM EDT     1.28 knots Max Flood
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
0.8
1
am
0.2
2
am
-0.5
3
am
-1
4
am
-1.3
5
am
-1.3
6
am
-0.9
7
am
-0.2
8
am
0.6
9
am
1.2
10
am
1.6
11
am
1.5
12
pm
1.1
1
pm
0.4
2
pm
-0.3
3
pm
-0.9
4
pm
-1.3
5
pm
-1.5
6
pm
-1.3
7
pm
-0.9
8
pm
-0.2
9
pm
0.5
10
pm
1.1
11
pm
1.3




Weather Map
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