Delmarva sees one more day of heat before storms and a cooldown

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 1 AM EDT FRIDAY... * WHAT...Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...Portions of southern Delaware and central, northern and southern New Jersey. * WHEN...From 7 PM this evening to 1 AM EDT Friday. * IMPACTS...At this level, flooding begins on the most vulnerable roads in coastal and bayside communities, and along inland tidal waterways. Some partial or full road closures are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. && Time of high total tides are approximate to the nearest hour. Delaware Bay at Lewes MLLW Categories - Minor 6.0 ft, Moderate 7.0 ft, Major 8.0 ft MHHW Categories - Minor 1.3 ft, Moderate 2.3 ft, Major 3.3 ft Total Total Departure Day/Time Tide Tide from Norm Flood ft MLLW ft MHHW ft Impact -------- --------- --------- --------- -------- 26/10 PM 6.4 1.8 1.1 Minor 27/11 AM 5.1 0.5 1.3 None 27/11 PM 6.3 1.7 1.2 Minor 28/12 PM 4.7 0.0 0.9 None 29/12 AM 5.7 1.0 0.8 None Arthur Kill at Perth Amboy MLLW Categories - Minor 7.2 ft, Moderate 8.2 ft, Major 9.2 ft MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 3.5 ft Total Total Departure Day/Time Tide Tide from Norm Flood ft MLLW ft MHHW ft Impact -------- --------- --------- --------- -------- 26/10 PM 7.8 2.1 1.5 Minor 27/10 AM 6.4 0.7 1.0 None 27/10 PM 7.2 1.5 1.0 Minor 28/11 AM 5.6 -0.1 0.3 None 28/11 PM 6.4 0.7 0.5 None 29/12 PM 5.5 -0.2 0.3 None Sandy Hook Bay at Sandy Hook MLLW Categories - Minor 6.7 ft, Moderate 7.7 ft, Major 8.7 ft MHHW Categories - Minor 1.5 ft, Moderate 2.5 ft, Major 3.5 ft Total Total Departure Day/Time Tide Tide from Norm Flood ft MLLW ft MHHW ft Impact -------- --------- --------- --------- -------- 26/10 PM 7.2 2.0 1.3 Minor 27/10 AM 6.1 0.9 1.2 None 27/10 PM 6.7 1.5 1.0 Minor 28/11 AM 5.6 0.4 0.7 None 28/11 PM 6.0 0.8 0.6 None 29/12 PM 5.4 0.2 0.6 None Watson Creek at Manasquan MLLW Categories - Minor 5.7 ft, Moderate 6.7 ft, Major 7.7 ft MHHW Categories - Minor 1.3 ft, Moderate 2.3 ft, Major 3.3 ft Total Total Departure Day/Time Tide Tide from Norm Flood ft MLLW ft MHHW ft Impact -------- --------- --------- --------- -------- 26/10 PM 5.5 1.1 0.8 None 27/10 AM 5.3 0.9 1.2 None 27/10 PM 5.5 1.1 0.8 None 28/11 AM 4.1 -0.3 0.1 None 28/11 PM 4.6 0.2 0.1 None 29/12 PM 3.9 -0.5 -0.1 None Atlantic Ocean at Atlantic City MLLW Categories - Minor 6.0 ft, Moderate 7.0 ft, Major 8.0 ft MHHW Categories - Minor 1.4 ft, Moderate 2.4 ft, Major 3.4 ft Total Total Departure Day/Time Tide Tide from Norm Flood ft MLLW ft MHHW ft Impact -------- --------- --------- --------- -------- 26/10 PM 6.6 2.0 1.4 Minor 27/10 AM 5.3 0.7 1.4 None 27/10 PM 6.3 1.7 1.1 Minor 28/10 AM 4.7 0.1 0.9 None 28/11 PM 5.7 1.1 0.8 None 29/11 AM 4.6 0.0 0.8 None Great Egg Harbor Bay at Ocean City MLLW Categories - Minor 5.3 ft, Moderate 6.3 ft, Major 7.3 ft MHHW Categories - Minor 1.3 ft, Moderate 2.3 ft, Major 3.3 ft Total Total Departure Day/Time Tide Tide from Norm Flood ft MLLW ft MHHW ft Impact -------- --------- --------- --------- -------- 26/10 PM 5.7 1.7 0.9 Minor 27/10 AM 4.2 0.2 0.9 None 27/10 PM 5.4 1.4 0.9 Minor 28/10 AM 3.7 -0.3 0.7 None 28/11 PM 4.7 0.7 0.3 None 29/11 AM 3.7 -0.3 0.4 None Cape May Harbor at Cape May MLLW Categories - Minor 6.2 ft, Moderate 7.2 ft, Major 8.2 ft MHHW Categories - Minor 1.1 ft, Moderate 2.1 ft, Major 3.1 ft Total Total Departure Day/Time Tide Tide from Norm Flood ft MLLW ft MHHW ft Impact -------- --------- --------- --------- -------- 26/10 PM 6.6 1.5 0.6 Minor 27/09 AM 5.4 0.3 1.4 None 27/10 PM 6.4 1.3 1.0 Minor 28/10 AM 5.0 -0.1 1.0 None 28/11 PM 6.0 0.9 0.6 None 29/11 AM 4.8 -0.3 0.8 None Barnegat Bay at Barnegat Light MLLW Categories - Minor 3.5 ft, Moderate 4.5 ft, Major 5.5 ft MHHW Categories - Minor 1.0 ft, Moderate 2.0 ft, Major 3.0 ft Total Total Departure Day/Time Tide Tide from Norm Flood ft MLLW ft MHHW ft Impact -------- --------- --------- --------- -------- 26/10 PM 3.8 1.3 0.9 Minor 27/10 AM 3.2 0.7 1.0 None 27/10 PM 3.7 1.2 0.8 Minor 28/11 AM 2.8 0.3 0.6 None 28/11 PM 3.2 0.7 0.5 None 29/11 AM 2.6 0.1 0.5 None &&

Delmarva sees one more day of heat before storms and a cooldown

Meteorologist Chris Mastrobuono
Chris Mastrobuono
Meteorologist

Chris Mastrobuono is a South Philly native, but has come to join the CoastTV meteorology team. With over three years of experience delivering accurate, passionate and insightful weather analysis, he is eager to report on the coast. Previously, he spent over two years as a morning meteorologist at WEVV CBS/FOX in Evansville, Indiana.

Author email
Jun 26, 2025
20 hrs ago

DELMARVA -- Thursday marks the final day of intense summer heat on Delmarva—for now. Temperatures will peak in the upper 80s to low 90s under partly cloudy skies, with oppressive heat indices ranging from 100 to 106 degrees.

Thursday Daypart — Hot & Humid highs in the upper 80s to low 90s, PM storms some of which could bring a damaging wind threat.

Hot & Humid highs in the upper 80s to low 90s, PM storms some of which could bring a damaging wind threat.

Future Feels Like — Heat indices Thursday will be between 100-106.

Heat indices Thursday will be between 100-106.

While record highs are not expected, the heat will remain hazardous. The region could see a few gusty thunderstorms Thursday afternoon into early evening. While the overall severe threat is low, any storms that develop could bring torrential rain and damaging wind gusts.

Futurecast — Thursday PM showers and storms, not everyone will see rain, some storms could bring torrential downpours and damaging winds.

Thursday PM showers and storms, not everyone will see rain, some storms could bring torrential downpours and damaging winds.

A backdoor cold front will slip into the region Thursday, pushing southwestward by nightfall. The frontal passage will trigger an increase in cloud cover and may also spark scattered showers and thunderstorms during the evening. Temperatures will begin to cool with overnight lows in the low to mid-70s across Delmarva.

Friday will bring much-needed relief from the heat. With the front settled to the south and high pressure building in from the Canadian Maritimes, an easterly wind will usher in cooler, cloudier conditions. Daytime highs will fall into the upper 70s to low 80s, a welcome change after days of extreme heat. However, it will still be muggy, with dew points in the 70s, moisture overrunning the front and weak upper-level disturbances may lead to scattered showers and isolated storms by Friday evening.

The unsettled pattern continues into the weekend. On Saturday, the front will lift northward again and stall near the region, while another system approaches from the northwest. These features will combine with upper-level disturbances to produce increasing chances of showers and thunderstorms later in the day and into Saturday night. Despite the storm chances, temperatures will climb back to near or above normal for late June. Temperatures over the weekend will range from the upper 80s to low 90s.

Looking ahead to Sunday through Tuesday, the stalled boundary is expected to linger across the region, supporting continued chances for showers and thunderstorms through early next week. On Tuesday, a more robust cold front will sweep through the area, bringing yet another round of rain and storms before drier conditions begin to return by Wednesday.

Temperatures throughout the extended period will remain near or slightly above average, keeping the summer heat close by even as clouds and rainfall provide temporary relief.

Weather Alert

Special Marine Warning until FRI 12:30 AM EDT

Small Craft Advisory until FRI 6:00 AM EDT

Coastal Flood Advisory from THU 7:00 PM EDT until FRI 1:00 AM EDT

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Delmarva sees one more day of heat before storms and a cooldown

Chris Mastrobuono

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Milton, DE (19968)

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Special Marine Warning until FRI 12:30 AM EDT

Small Craft Advisory until FRI 6:00 AM EDT

Coastal Flood Advisory from THU 7:00 PM EDT until FRI 1:00 AM EDT

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Chris Mastrobuono

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