Marine Weather and Tide Forecast for Chester, PA
July 3, 2024 1:51 AM EDT (05:51 UTC) Change Location
 | Sunrise 5:36 AM Sunset 8:34 PM Moonrise 2:04 AM Moonset 5:58 PM |
ANZ430 Delaware Bay Waters North Of East Point Nj To Slaughter Beach De- 116 Am Edt Wed Jul 3 2024
Rest of tonight - S winds around 5 kt. Seas 1 foot or less. Wave detail: se 1 foot at 2 seconds.
Wed - S winds around 5 kt, becoming se 10 to 15 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave detail: se 1 foot at 3 seconds.
Wed night - S winds 10 to 15 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave detail: se 2 ft at 3 seconds, becoming se 1 foot at 3 seconds.
Thu - S winds around 10 kt. Seas 1 foot or less. Wave detail: S 1 foot at 3 seconds. A chance of showers in the afternoon.
Thu night - S winds 5 to 10 kt. Seas 1 foot or less. Wave detail: se 1 foot at 4 seconds. A chance of tstms in the evening. A chance of showers.
Fri - S winds 5 to 10 kt. Seas 1 foot or less. Wave detail: se 1 foot at 4 seconds. A chance of showers and tstms in the afternoon.
Fri night - S winds around 10 kt. Seas 1 foot or less. A chance of showers and tstms.
Sat - S winds around 10 kt. Seas 1 foot or less. A chance of showers and tstms.
Sat night - S winds 5 to 10 kt. Seas around 2 ft. A chance of showers and tstms.
Sun - SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers and tstms.
Sun night - S winds 5 to 10 kt. Seas 1 foot or less. A chance of showers and tstms.
winds and seas higher in and near tstms.
winds and seas higher in and near tstms.
ANZ400 116 Am Edt Wed Jul 3 2024
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay - High pressure builds in through this evening before moving offshore Wednesday. A more active period begins Thursday with the arrival of a surface trough, bringing hot and humid conditions along with chances for showers and storms each day into the weekend. A frontal boundary may linger across the region into early next week, with generally unsettled conditions persisting.
Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 030524 AFDPHI
Area Forecast Discussion National Weather Service Mount Holly NJ 124 AM EDT Wed Jul 3 2024
SYNOPSIS
High pressure moves offshore today. A more active period begins Thursday with the arrival of a surface trough, bringing hot and humid conditions along with chances for showers and storms each day into the weekend. A frontal boundary may linger across the region into early next week, with generally unsettled conditions persisting.
NEAR TERM /THROUGH TONIGHT/
Surface high pressure is currently centered just to our northeast over southern New England, and it will slowly slide eastward through today and tonight as a cold front, currently over the western Great Lakes, presses southeastward toward us.
Despite this shift in surface pattern, the flow will not bring the big surge of humidity until tomorrow, so we have one more day of relatively low humidity, with afternoon dew points likely to drop back into the 50s again. Aloft, the ridge axis currently over western PA will shift over us by this afternoon, then off shore tonight. Some mainly high clouds are passing over the ridge and will keep today from being perfectly sunny, but greater cloud cover will not invade until tonight. Today and most of tonight should also be dry, but as the warm front with the humidity push moves in late tonight and some dying convection approaches from the northwest, our northwestern zones, especially the Poconos, could see a late night shower or thunderstorm. Highs today will be in the 80s for most, similar to yesterday, with lows tonight staying a touch milder with the clouds and humidity starting to build, with 60s common.
SHORT TERM /THURSDAY THROUGH FRIDAY/
High pressure will continue to move offshore into Independence Day as a surface low and associated upper level trough move eastward through eastern Canada. This will push a warm front through the region early in the day Thursday allowing the area to get into the warm sector. The warm front could bring a few isolated showers or storms Thursday morning, mainly over NE PA into NW NJ, with the greater chances for showers and storms arriving later in the day Thursday. Prior to this, the other story for the day will be the return of the heat and humidity as highs for most areas will reach the upper 80s / low 90s (cooler near the coast and over the Poconos) with dew points reaching the upper 60s to low 70s. This will result in max heat indicies well into the 90s to near 100 for most areas. As for the storm threat later in the day, expect storms to fire in the vicinity of a weakening frontal boundary draped over PA by the afternoon hours with these storms moving eastward into our eastern PA and northern NJ zones by later in the afternoon and then potentially affecting Delmarva and southern and coastal NJ by the evening.
So it won't be an all day type rain event but unfortunately the timing won't be great as it could interfere with Independence Day festivities. Our POPs generally range from around 50 to 60 percent over eastern PA to 40 to 50 percent near the coast. With ML CAPE values progged to max out around 1000-1500 j/kg along with deep layer shear values around 30 knots there is the potential some storms could become severe and it's worth noting the SPC has SE PA, Delmarva, and parts of southern NJ in a MARGINAL risk for severe weather for Thursday. With PWATs progged to reach 2.25+ inches, storms will also be capable of producing very heavy rain which could lead to localized flooding.
Storms may linger into a good portion of the evening Thursday before diminishing overnight. It will be a very warm and muggy night as the frontal boundary gets hung up over the area. Most areas won't see lows getting below the low/mid 70s (except 60s over the Pocono).
The front will remain draped over the area Friday as it extends to a new low developing over the midwestern States that will lift northward towards the Great Lakes. This will result in another hot, humid day with chances for afternoon and early evening storms once again. Storms should be a little less widespread though compared to Thursday and this is reflected in our POPs which are more in the 20 to 30 percent range.
LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/
Low pressure lifts northward into Ontario Friday night into Saturday with a strengthening southerly flow developing in the warm sector over the area ahead of an approaching cold front.
This will ratchet up the mugginess even further with dew points potentially reaching over 75 by Saturday afternoon. Combined with forecast highs for Saturday once again in the upper 80s to low 90s for most areas, this could bring peak heat indices in the range of 102 to 107 meaning heat headlines would be needed if this forecast holds. The synoptic scale lift provided by the cold front along with abundant moisture looks to result in widespread showers and storms by Saturday afternoon into the evening. And at this point, both severe weather and flash flooding look to be a threat. Am particularly concerned seeing progged PWAT values by both deterministic models and ensembles in the range of 2.25 to 2.5 inches which is close to climatological maxes.
Looking beyond Saturday into early next week, the cold front will move through into Sunday but also tend to stall and "wash out" as it moves across. Thus, while Sunday into early next week should be a little more comfortable compared to Saturday in terms of heat and humidity, it will still be quite warm and humid. Each day will also see continuing chances for scattered showers/storms, mainly during the afternoon and early evening hours, with POPs generally around 30 percent.
AVIATION /06Z WEDNESDAY THROUGH SUNDAY/
The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.
Until 12Z this morning...Mainly VFR. However, some patchy fog development may cause sub-VFR visibilities at KACY toward dawn.
Otherwise, mostly clear skies expected. Winds light and variable and/or out of the S/SSE at 5 kts or less. High confid overall, but lower confid in patchy fog development and timing for KACY.
12Z this morning through 0Z this evening...VFR. Ci clouds with some diurnal Cu possible too. Light S winds becoming 5-10 kts.
High confid.
Tonight...VFR with no significant weather. Winds generally southerly around 5 kts. High confidence.
Outlook...
Thursday through Sunday...Sub-VFR conditions possible with chances (30-60%) for SHRA and TSRA, especially in the afternoon and evenings each day. The best chances for more widespread showers and storms looks to be Saturday at this point.
MARINE
Sub-SCA with mostly fair weather today and tonight, though will need to watch for any early morning marine fog which could necessitate a marine dense fog advisory. Light S or SE winds increasing to 10-15 kts by this afternoon and tonight.
Outlook...
Thursday through Sunday...Conditions are forecast to be below Small Craft Advisory criteria through the period though southerly winds may gust to around 20 knots at times. There will also be daily chances for showers and storms through the period...especially in the late afternoon and evening periods.
Rip Currents...
Today...Southeast winds around 5-10 mph. Breaking waves remain around 1-2 feet. Despite more of an onshore flow, with light conditions expected, have continued with a LOW risk of dangerous rip currents for both the Jersey Shore and Delaware Beaches.
4th of July...Southerly winds strengthen with breaking wave heights increasing. With an onshore component to the wind for Cape May, Atlantic, and Ocean County, there is a MODERATE risk for rip currents. With wind direction more shore parallel/offshore at the Delaware Beaches and northern Jersey Shore, have elected to go with a LOW risk. Breaking wave of 2 to 3 feet, though some 4 foot waves are possible within the MODERATE risk area.
For specific beach forecasts, visit weather.gov/beach/phi
PHI WATCHES/WARNINGS/ADVISORIES
PA...None.
NJ...None.
DE...None.
MD...None.
MARINE...None.
Area Forecast Discussion National Weather Service Mount Holly NJ 124 AM EDT Wed Jul 3 2024
SYNOPSIS
High pressure moves offshore today. A more active period begins Thursday with the arrival of a surface trough, bringing hot and humid conditions along with chances for showers and storms each day into the weekend. A frontal boundary may linger across the region into early next week, with generally unsettled conditions persisting.
NEAR TERM /THROUGH TONIGHT/
Surface high pressure is currently centered just to our northeast over southern New England, and it will slowly slide eastward through today and tonight as a cold front, currently over the western Great Lakes, presses southeastward toward us.
Despite this shift in surface pattern, the flow will not bring the big surge of humidity until tomorrow, so we have one more day of relatively low humidity, with afternoon dew points likely to drop back into the 50s again. Aloft, the ridge axis currently over western PA will shift over us by this afternoon, then off shore tonight. Some mainly high clouds are passing over the ridge and will keep today from being perfectly sunny, but greater cloud cover will not invade until tonight. Today and most of tonight should also be dry, but as the warm front with the humidity push moves in late tonight and some dying convection approaches from the northwest, our northwestern zones, especially the Poconos, could see a late night shower or thunderstorm. Highs today will be in the 80s for most, similar to yesterday, with lows tonight staying a touch milder with the clouds and humidity starting to build, with 60s common.
SHORT TERM /THURSDAY THROUGH FRIDAY/
High pressure will continue to move offshore into Independence Day as a surface low and associated upper level trough move eastward through eastern Canada. This will push a warm front through the region early in the day Thursday allowing the area to get into the warm sector. The warm front could bring a few isolated showers or storms Thursday morning, mainly over NE PA into NW NJ, with the greater chances for showers and storms arriving later in the day Thursday. Prior to this, the other story for the day will be the return of the heat and humidity as highs for most areas will reach the upper 80s / low 90s (cooler near the coast and over the Poconos) with dew points reaching the upper 60s to low 70s. This will result in max heat indicies well into the 90s to near 100 for most areas. As for the storm threat later in the day, expect storms to fire in the vicinity of a weakening frontal boundary draped over PA by the afternoon hours with these storms moving eastward into our eastern PA and northern NJ zones by later in the afternoon and then potentially affecting Delmarva and southern and coastal NJ by the evening.
So it won't be an all day type rain event but unfortunately the timing won't be great as it could interfere with Independence Day festivities. Our POPs generally range from around 50 to 60 percent over eastern PA to 40 to 50 percent near the coast. With ML CAPE values progged to max out around 1000-1500 j/kg along with deep layer shear values around 30 knots there is the potential some storms could become severe and it's worth noting the SPC has SE PA, Delmarva, and parts of southern NJ in a MARGINAL risk for severe weather for Thursday. With PWATs progged to reach 2.25+ inches, storms will also be capable of producing very heavy rain which could lead to localized flooding.
Storms may linger into a good portion of the evening Thursday before diminishing overnight. It will be a very warm and muggy night as the frontal boundary gets hung up over the area. Most areas won't see lows getting below the low/mid 70s (except 60s over the Pocono).
The front will remain draped over the area Friday as it extends to a new low developing over the midwestern States that will lift northward towards the Great Lakes. This will result in another hot, humid day with chances for afternoon and early evening storms once again. Storms should be a little less widespread though compared to Thursday and this is reflected in our POPs which are more in the 20 to 30 percent range.
LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/
Low pressure lifts northward into Ontario Friday night into Saturday with a strengthening southerly flow developing in the warm sector over the area ahead of an approaching cold front.
This will ratchet up the mugginess even further with dew points potentially reaching over 75 by Saturday afternoon. Combined with forecast highs for Saturday once again in the upper 80s to low 90s for most areas, this could bring peak heat indices in the range of 102 to 107 meaning heat headlines would be needed if this forecast holds. The synoptic scale lift provided by the cold front along with abundant moisture looks to result in widespread showers and storms by Saturday afternoon into the evening. And at this point, both severe weather and flash flooding look to be a threat. Am particularly concerned seeing progged PWAT values by both deterministic models and ensembles in the range of 2.25 to 2.5 inches which is close to climatological maxes.
Looking beyond Saturday into early next week, the cold front will move through into Sunday but also tend to stall and "wash out" as it moves across. Thus, while Sunday into early next week should be a little more comfortable compared to Saturday in terms of heat and humidity, it will still be quite warm and humid. Each day will also see continuing chances for scattered showers/storms, mainly during the afternoon and early evening hours, with POPs generally around 30 percent.
AVIATION /06Z WEDNESDAY THROUGH SUNDAY/
The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.
Until 12Z this morning...Mainly VFR. However, some patchy fog development may cause sub-VFR visibilities at KACY toward dawn.
Otherwise, mostly clear skies expected. Winds light and variable and/or out of the S/SSE at 5 kts or less. High confid overall, but lower confid in patchy fog development and timing for KACY.
12Z this morning through 0Z this evening...VFR. Ci clouds with some diurnal Cu possible too. Light S winds becoming 5-10 kts.
High confid.
Tonight...VFR with no significant weather. Winds generally southerly around 5 kts. High confidence.
Outlook...
Thursday through Sunday...Sub-VFR conditions possible with chances (30-60%) for SHRA and TSRA, especially in the afternoon and evenings each day. The best chances for more widespread showers and storms looks to be Saturday at this point.
MARINE
Sub-SCA with mostly fair weather today and tonight, though will need to watch for any early morning marine fog which could necessitate a marine dense fog advisory. Light S or SE winds increasing to 10-15 kts by this afternoon and tonight.
Outlook...
Thursday through Sunday...Conditions are forecast to be below Small Craft Advisory criteria through the period though southerly winds may gust to around 20 knots at times. There will also be daily chances for showers and storms through the period...especially in the late afternoon and evening periods.
Rip Currents...
Today...Southeast winds around 5-10 mph. Breaking waves remain around 1-2 feet. Despite more of an onshore flow, with light conditions expected, have continued with a LOW risk of dangerous rip currents for both the Jersey Shore and Delaware Beaches.
4th of July...Southerly winds strengthen with breaking wave heights increasing. With an onshore component to the wind for Cape May, Atlantic, and Ocean County, there is a MODERATE risk for rip currents. With wind direction more shore parallel/offshore at the Delaware Beaches and northern Jersey Shore, have elected to go with a LOW risk. Breaking wave of 2 to 3 feet, though some 4 foot waves are possible within the MODERATE risk area.
For specific beach forecasts, visit weather.gov/beach/phi
PHI WATCHES/WARNINGS/ADVISORIES
PA...None.
NJ...None.
DE...None.
MD...None.
MARINE...None.
toggle option: (graph/table)
| Airport | Dist | Age | Wind kt | Vis | Sky | Weather | Air | DewPt | RH | inHg |
| KPHL PHILADELPHIA INTL,PA | 8 sm | 57 min | SW 05 | 10 sm | A Few Clouds | 72°F | 59°F | 65% | 30.24 | |
| KILG NEW CASTLE,DE | 16 sm | 60 min | S 07 | 10 sm | Mostly Cloudy | 72°F | 57°F | 60% | 30.24 | |
| KOQN BRANDYWINE RGNL,PA | 17 sm | 36 min | calm | 10 sm | Clear | 68°F | 59°F | 73% | 30.25 | |
| KLOM WINGS FIELD,PA | 23 sm | 36 min | S 03 | 10 sm | Clear | 68°F | 59°F | 73% | 30.25 |
Link to 1 hour of 5 minute data for KPHL
Terminal Aerodrome Forecast (TAF) for KPHL
toggle option: (graph/table)
Terminal Aerodrome Forecast (TAF) for KPHL
Wind History graph: PHL
(wind in knots)Tide / Current for Bridgeport, Raccoon Creek, New Jersey, Delaware River, New Jersey
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Bridgeport
Click for Map
Tue -- 02:24 AM EDT Moonrise
Tue -- 05:21 AM EDT 0.46 feet Low Tide
Tue -- 05:37 AM EDT Sunrise
Tue -- 10:16 AM EDT 5.19 feet High Tide
Tue -- 05:29 PM EDT 0.35 feet Low Tide
Tue -- 05:47 PM EDT Moonset
Tue -- 08:33 PM EDT Sunset
Tue -- 10:47 PM EDT 6.32 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 02:24 AM EDT Moonrise
Tue -- 05:21 AM EDT 0.46 feet Low Tide
Tue -- 05:37 AM EDT Sunrise
Tue -- 10:16 AM EDT 5.19 feet High Tide
Tue -- 05:29 PM EDT 0.35 feet Low Tide
Tue -- 05:47 PM EDT Moonset
Tue -- 08:33 PM EDT Sunset
Tue -- 10:47 PM EDT 6.32 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Bridgeport, Raccoon Creek, New Jersey, Delaware River, New Jersey, Tide feet
| 12 am |
| 5 |
| 1 am |
| 4.2 |
| 2 am |
| 3.3 |
| 3 am |
| 2.4 |
| 4 am |
| 1.3 |
| 5 am |
| 0.5 |
| 6 am |
| 0.8 |
| 7 am |
| 2 |
| 8 am |
| 3.3 |
| 9 am |
| 4.4 |
| 10 am |
| 5.2 |
| 11 am |
| 5 |
| 12 pm |
| 4.2 |
| 1 pm |
| 3.4 |
| 2 pm |
| 2.6 |
| 3 pm |
| 1.9 |
| 4 pm |
| 1.1 |
| 5 pm |
| 0.5 |
| 6 pm |
| 0.5 |
| 7 pm |
| 1.8 |
| 8 pm |
| 3.5 |
| 9 pm |
| 4.9 |
| 10 pm |
| 6 |
| 11 pm |
| 6.3 |
Philadelphia
Click for Map
Tue -- 02:23 AM EDT Moonrise
Tue -- 02:40 AM EDT -1.93 knots Max Ebb
Tue -- 05:36 AM EDT Sunrise
Tue -- 06:40 AM EDT 0.00 knots Slack
Tue -- 09:16 AM EDT 1.49 knots Max Flood
Tue -- 11:42 AM EDT -0.00 knots Slack
Tue -- 02:40 PM EDT -1.93 knots Max Ebb
Tue -- 05:46 PM EDT Moonset
Tue -- 06:43 PM EDT 0.01 knots Slack
Tue -- 08:32 PM EDT Sunset
Tue -- 08:56 PM EDT 1.75 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 02:23 AM EDT Moonrise
Tue -- 02:40 AM EDT -1.93 knots Max Ebb
Tue -- 05:36 AM EDT Sunrise
Tue -- 06:40 AM EDT 0.00 knots Slack
Tue -- 09:16 AM EDT 1.49 knots Max Flood
Tue -- 11:42 AM EDT -0.00 knots Slack
Tue -- 02:40 PM EDT -1.93 knots Max Ebb
Tue -- 05:46 PM EDT Moonset
Tue -- 06:43 PM EDT 0.01 knots Slack
Tue -- 08:32 PM EDT Sunset
Tue -- 08:56 PM EDT 1.75 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Philadelphia, Pennsylvania Current, knots
| 12 am |
| -0.8 |
| 1 am |
| -1.5 |
| 2 am |
| -1.9 |
| 3 am |
| -1.9 |
| 4 am |
| -1.8 |
| 5 am |
| -1.7 |
| 6 am |
| -0.9 |
| 7 am |
| 0.4 |
| 8 am |
| 1.3 |
| 9 am |
| 1.5 |
| 10 am |
| 1.4 |
| 11 am |
| 0.8 |
| 12 pm |
| -0.4 |
| 1 pm |
| -1.4 |
| 2 pm |
| -1.8 |
| 3 pm |
| -1.9 |
| 4 pm |
| -1.7 |
| 5 pm |
| -1.4 |
| 6 pm |
| -0.8 |
| 7 pm |
| 0.4 |
| 8 pm |
| 1.5 |
| 9 pm |
| 1.7 |
| 10 pm |
| 1.7 |
| 11 pm |
| 1.3 |
Philadelphia, PA,
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