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Jersey Shore may get rain, thunderstorms from merging fronts
The Jersey Shore and surrounding New Jersey regions are bracing for thunderstorms from merging hot and cold fronts, with showers expected Thursday and into the weekend. Forecasters predict a brief clearing period early next week, but more rain may return later.
As a cold front from Canada merges with hot air moving up from the South, thunderstorms are expected to develop at the Jersey Shore late Thursday afternoon and into the evening, according to the National Weather Service's Mount Holly station. The agency said this convergence would create a corridor of enhanced rainfall stretching from Interstate 95 east to the northern Mid-Atlantic coast.
At the Shore, rain showers during the early part of Thursday, August 20, are forecast to build into thunderstorms after 3 p.m., with new rainfall amounts between a quarter and half an inch possible. The thunderstorms are expected to dissipate by 8 p.m., but periodic rain showers could continue until about 2 a.m. on Friday, August 21.
Friday is expected to bring mostly sunny skies with a high near 80, according to the Asbury Park Press report. But the weekend may bring intermittent showers, mostly cloudy skies, and high temperatures in the upper 70s to low 80s.
As of Wednesday, no small craft advisories are in effect for boaters, though the forecast suggests packing foul weather gear. NOAA's coastal forecast predicts light breezes shifting from northwest on Thursday to northeast, then east, and back to northwest on Sunday, with seas of 2 to 4 feet.
Marine Hazard Warning
A separate report from the Press of Atlantic City indicates that a Special Marine Warning was in effect until 7:45 AM EDT for coastal and outer waters from Sandy Hook to Cape May, New Jersey. Strong thunderstorms were moving southeast at 25 knots, with wind gusts of 34 knots or greater and small hail expected. The affected areas span dozens of reefs and coastal communities, including Sea Girt Reef, Atlantic City, Atlantic Highlands, and Barnegat Light.
The warning said small craft could be damaged by higher winds and waves, and noted the potential for sudden changes in sea conditions. It advised mariners to move to safe harbor until the hazardous weather passes and to report severe weather to the Coast Guard or the National Weather Service. The alert also encouraged monitoring weather.gov or on local news outlet's weather page for updates.
Showers and Storms Before a Cold Front
For the broader New Jersey region, forecasters anticipated several rounds of showers and thunderstorms late Saturday night into Sunday morning, driven by a cold front approaching the region. According to a report from the National Weather Service, the cold front was set to trigger – and the threat of strong or possibly severe storms with gusty winds and localized flash flooding, particularly across northern New Jersey.
Pockets of heavy rain could cause localized flash flooding, though widespread flooding is not expected. The service said most areas should see partly to mostly sunny skies by Sunday afternoon, though a small threat of pop-up showers and isolated thunderstorms could linger into the evening. Afternoon temperatures are expected to reach about 80 degrees.
Earlier Saturday, scattered showers affected parts of southern New Jersey, especially Cape May County, which was under a marginal risk for excessive rainfall. Most of northern and central New Jersey saw cloudy skies but no rain.
Before the cold front passes, another report indicated that an isolated severe thunderstorm cannot be ruled out through daybreak, with heavy rain and gusty winds possible. After the front moves through late Sunday morning, skies should clear as drier air arrives, humidity drops, and west to northwest winds of 10–15 mph with gusts up to 20 mph follow.
A forecast on Sunday night is for clear, calm conditions, but Monday might bring isolated to widely scattered showers and a slight chance of thunderstorms, particularly across northern New Jersey. Winds could gust to 20 mph.
A Midweek Break, Then More Rain
Following the Sunday system, high pressure will build on Monday night and dominate through Wednesday, with forecasters predicting dry and tranquil conditions and near-seasonable temperatures. multiple services indicated this stretch of fair weather could last into the middle of the week.
But by Thursday, a new system moving from the west will bring increasing chances of showers, with rain likely Thursday night across most of the state, and showers persisting into Friday, with thunderstorms possible.
Similarly, according to two reports, late-week rain chances return, with showers likely in the Northeast. Another forecast for the Staten Island area details that Thursday into Friday will bring a greater coverage of showers and thunderstorms as a low-pressure system approaches, with highs in the low to mid-80s and high humidity that could result in heat index values into the mid-80s.
This report mostly covers the period from early Thursday through the weekend, including the marine weather watch and the broad pattern of the rain and thunderstorms from the changing weather patterns.
How each outlet told it
Asbury Park Press
Framing: Headline emphasizes rain and thunderstorms from merging fronts at the Jersey Shore, highlighting the cause and location. — Informative and practical, e.g., 'could create thunderstorms' and 'foul weather gear should be packed'.
Facts Included:
Merging hot and cold fronts could create thunderstorms at Jersey Shore late Thursday afternoon into evening
National Weather Service's Mount Holly station forecast
Cold front from Canada merges with hot air from the South, creating corridor of enhanced rainfall from I-95 east to northern Mid-Atlantic coast
At the Shore, rain showers early Thursday, Aug. 20, building to thunderstorms after 3 p.m.
Thunderstorms linger into evening, new rainfall amounts between quarter and half inch possible
Thunderstorms dissipate by 8 p.m., but periodic rain showers likely until about 2 a.m. Friday, Aug. 21
Friday mostly sunny skies, high near 80
Weekend rain showers could dampen outdoor activities, intermittent showers, mostly cloudy, highs upper 70s to low 80s
As of Wednesday, no small craft advisories for boaters, but foul weather gear should be packed
NOAA coastal forecast: light breezes shifting from northwest Thursday to northeast, then east, back to northwest Sunday, seas 2-4 feet
Framing: Headline emphasizes showers and thunderstorms moving through Sunday morning before clearing skies arrive. It highlights the temporary nature and improvement. — Measured and reassuring, e.g., 'unsettled weather won’t last much longer' and 'organized severe weather is unlikely'.
Facts Included:
Showers and scattered thunderstorms expected early Sunday ahead of a cold front
National Weather Service said cold front passes late Sunday morning, ending rain and storm chances
Organized severe weather unlikely, but isolated severe thunderstorm cannot be ruled out through daybreak
Possible hazards: heavy rain, gusty winds, small hail
Minor flooding possible in low-lying, urban, poor drainage areas
Skies clear Sunday afternoon, humidity drops, west-northwest winds 10-15 mph with gusts to 20 mph
Sunday night clear with light winds
Monday isolated to widely scattered showers, slight chance of thunderstorms, especially northern NJ
Winds Monday afternoon gust to around 20 mph from west-southwest
High pressure builds Monday night, dry through Wednesday
Temperatures near seasonable through midweek
Thursday increasing shower chances, rain likely Thursday night
Showers continue into Friday, thunderstorms possible
Framing: Headline emphasizes strong thunderstorms and isolated flooding overnight into early Sunday, focusing on potential impacts. — Cautionary but measured, e.g., 'potential for some strong or possibly severe storms' and 'flooding is not expected to be widespread'.
Facts Included:
Several rounds of showers and thunderstorms late Saturday night into Sunday morning
Potential for strong or possibly severe storms with gusty winds and localized flash flooding, particularly across northern sections
Cold front approaching late Saturday triggers showers and thunderstorms continuing into Sunday morning, per National Weather Service
Pockets of heavy rain may lead to localized flash flooding, but not widespread
Many areas should see partly to mostly sunny skies by Sunday afternoon, small threat of pop-up showers and isolated thunderstorms lingering into Sunday evening
Afternoon temperatures expected to rise to about 80 degrees
Earlier Saturday scattered showers affected southern New Jersey, especially Cape May County, which remains under marginal risk for excessive rainfall
Most of northern and central New Jersey saw cloudy skies but no rain Saturday morning or afternoon
Monday begins stretch of fair weather through middle of next week, high pressure in control, dry and tranquil through Wednesday
Temperatures seasonable, afternoon highs upper 70s to low 80s
Chances for showers and thunderstorms may return toward end of next week as another system approaches from west
Framing: Headline is a weather alert, emphasizing the Special Marine Warning and its time window. — Urgent and advisory, e.g., 'Strong Thunderstorms Bringing Hazardous Marine Conditions' and 'Move to safe harbor until the hazardous weather passes'.
Facts Included:
Special Marine Warning in effect until 7:45 AM EDT for coastal and outer waters from Sandy Hook to Cape May, NJ
Strong thunderstorms moving southeast at 25 knots
Affected areas listed: Sea Girt Reef, Atlantic City, Ship Bottom, Atlantic Highlands, etc.
Wind gusts of 34 knots or greater, small hail
Impacts: small craft could be damaged by higher winds and waves, sudden changes in sea conditions
Safety tips: move to safe harbor until hazardous weather passes, report severe weather to Coast Guard or NWS
Monitor weather.gov or pressofatlanticcity.com/weather for updates
Produced with AI assistance using National Weather Service data
Framing: Headline emphasizes severe thunderstorm risk for Staten Island and NYC, focusing on the threat level. — Alert and cautionary, e.g., 'faces a chance of strong to severe thunderstorms' and 'risk for severe thunderstorms is in place'.
Facts Included:
Staten Island faces chance of strong to severe thunderstorms Sunday
National Weather Service warning of heavy rain, gusty winds, small hail as cold front moves through
Wave of low pressure brings increasing instability Sunday morning, thunderstorm development ramps up quickly with daytime heating
Greatest chance for storms during first half of day, diminishing by late afternoon into evening
Risk for severe thunderstorms includes damaging winds and large hail as possible hazards
Minor flooding possible in low-lying, urban, poor-drainage areas of Staten Island
Temperatures stay close to normal for late August
Monday chance of lingering showers, isolated to widely scattered activity, slight chance of thunderstorms
Drier conditions by Monday night, dry weather persists through midweek
Rain chances return late week as system moves into Northeast
Showers likely Thursday night into Friday, lower probability of thunderstorms
Framing: Headline emphasizes potential showers returning Monday and Tuesday, focusing on the forecast for early week. — Measured and matter-of-fact, e.g., 'could see isolated to scattered showers' and 'no flooding issues are expected'.
Facts Included:
Isolated to scattered showers Monday and Tuesday with slight chance of afternoon and evening thunderstorms
Weak cold front brings spotty showers rather than widespread rain
Residents could experience brief gusty wind or quick downpour, no flooding issues expected
Winds Monday afternoon around 10 mph, gusts 20-30 mph possible
Tuesday another weak cold front with slightly less moisture, slight chance of showers and thunderstorms
Temperatures within a few degrees of normal, highs Monday low 80s, Tuesday high 70s
NYC conditions mirror Staten Island, isolated to widely scattered showers Monday and Tuesday afternoons into evening, slight chance of embedded thunderstorms
Wednesday break in rain chance, but showers and thunderstorms return with greater coverage Thursday into Friday as system approaches from west
Showers likely Thursday afternoon into Thursday night, thunderstorm development possible as warm, humid air moves in
Highs Thursday and Friday low to mid-80s, high humidity
Heat index values could reach upper 80s to near 90 degrees for parts of region, per National Weather Service
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Claim
Confidence
Status
ClaimShowers and scattered thunderstorms are expected early Sunday ahead of a cold front in New Jersey.
ClaimThe National Weather Service said the cold front is expected to pass through the New Jersey region late Sunday morning, ending rain and storm chances.
ClaimOrganized severe weather is unlikely in New Jersey on Sunday, but an isolated severe thunderstorm cannot be ruled out through daybreak, with heavy rain, gusty winds and small hail possible.
ClaimSkies will clear Sunday afternoon in New Jersey as drier air moves in, with humidity dropping noticeably and west to northwest winds of 10 to 15 mph with gusts up to 20 mph.
ClaimMonday may bring isolated to widely scattered showers and a slight chance of thunderstorms during the afternoon in New Jersey, particularly across northern New Jersey.
ClaimThursday brings increasing chances of showers in New Jersey as a new weather system approaches from the west, with rain becoming likely Thursday night for most of the state.
ClaimA wave of low pressure will bring increasing instability to the Staten Island area Sunday morning, with thunderstorm development expected to ramp up quickly, especially with daytime heating.
ClaimThe greatest chance for storms on Staten Island on Sunday will be during the first half of the day, diminishing by late afternoon into the evening.
ClaimMonday will bring a chance of lingering showers on Staten Island, with isolated to widely scattered activity possible along with a slight chance of thunderstorms.
ClaimTuesday will bring another weak cold front to Staten Island with slightly less moisture, resulting in only a slight chance of showers and thunderstorms.
ClaimTemperatures on Staten Island Monday and Tuesday are expected to be within a few degrees of normal, with highs Monday reaching the low 80s and highs Tuesday in the high 70s.
ClaimFor New York City, conditions will closely mirror those on Staten Island, with isolated to widely scattered showers possible Monday and Tuesday afternoons into evening, and a slight chance of embedded thunderstorms.
ClaimWednesday will bring a break in the chance of rain on Staten Island, but showers and thunderstorms are forecast to return with greater coverage Thursday into Friday as a system approaches from the west.
ClaimShowers are considered likely Thursday afternoon into Thursday night on Staten Island, with thunderstorm development possible as warm, humid air moves into the region.
ClaimThis combination could push heat index values into the upper 80s to near 90 degrees for parts of the region, according to the National Weather Service.
ClaimNew Jersey faces several rounds of showers and thunderstorms late Saturday night into Sunday morning, with the potential for some strong or possibly severe storms with gusty winds and localized flash flooding, particularly across northern sections of the state.
ClaimA cold front approaching the region late Saturday will trigger the showers and thunderstorms that could continue into Sunday morning, according to the National Weather Service.
ClaimMany areas of New Jersey should see partly to mostly sunny skies by Sunday afternoon, with a small threat of pop-up showers and isolated thunderstorms lingering into Sunday evening.
ClaimEarlier Saturday, scattered showers affected southern New Jersey, especially Cape May County, which remains under a marginal risk for excessive rainfall.
ClaimMonday will mark the beginning of a stretch of fair weather in New Jersey that should last into the middle of next week, with high pressure in control resulting in dry and tranquil conditions through Wednesday.
ClaimMerging hot and cold fronts could create thunderstorms at the Jersey Shore late Thursday afternoon into the evening, as forecast by the National Weather Service's Mount Holly station.
ClaimA cold front from Canada will merge with hot air moving up from the South, creating a corridor of enhanced rainfall from Interstate 95 east to the northern Mid-Atlantic coast.
ClaimThe thunderstorms are forecast to dissipate by 8 p.m., but periodic rain showers are likely to continue until about 2 a.m. the morning of Friday, Aug. 21.
ClaimFor the weekend at the Shore, rain showers could dampen outdoor activities, with intermittent showers, mostly cloudy skies, and highs in the upper 70s to low 80s.
ClaimAccording to NOAA's coastal forecast, mariners will see light breezes shifting from northwest on Thursday to northeast, then east and back to northwest on Sunday, with seas of 2 to 4 feet.
ClaimThe affected areas for the marine warning include Sea Girt Reef, Atlantic City, Ship Bottom, Atlantic Highlands, Deepwater Reef, Garden State South Reef, Axel Carlson Reef, Silverton, Harvey Cedars, Great Egg Reef, Ocean City Reef, Lavallette, Barnegat Light, North Beach Haven, Point Pleasant Beach, Seaside Park, Brigantine, Ocean Gate, Little Egg Reef, and Atlantic City Reef.
ClaimSafety tips include moving to safe harbor until hazardous weather passes and reporting severe weather to the Coast Guard or the National Weather Service.