BELMAR/LAKE COMO, NJ — Tropical Storm Isaias is expected to bring heavy rainfall leading to flash flooding and strong winds along the Jersey Shore beginning this morning, August 4.

A tropical storm warning is in effect until further notice by the National Weather Service, which cautions that winds gusting as high as 70 mph could bring down tree and power lines.

The storm could produce up to six inches of rain in the region with heavy bands through the afternoon, prompting a flash flood watch through midnight on August 4.

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Isolated instances of structural damage especially near the coast, where wind gusts to near hurricane strength are possible.

In addition, a high surf advisory will take effect from 8 a.m. today through midnight, with a high risk for dangerous rip tides and large breaking waves up to 10 feet predicted by the weather service.

With a coastal flood advisory also in effort, minor to moderate coastal flooding is expected along all coastal areas, with the potential for a strong storm surge of between one and three feet along the coast.

High tide along the Belmar beachfront will be at 8:32 a.m. and 8:46 p.m., and along the Shark River at about 8:35 a.m. and 9:19 p.m., today.

Isolated tornadoes are possible, particularly south and east of Interstate 195. 

For a detailed summary of the National Weather Service’s latest briefing issued at 12:00 a.m., today, August 4, click here.

Gov. Phil Murphy has declared a state of emergency, effective throughout the storm. State offices will be closed and travel is not recommended unless necessary. There is no travel ban as of 5 a.m. on August 4.  Visit for traffic updates and for additional information.

Residents and businesses are encouraged to secure or take down all outdoor furniture, tents, umbrellas and other objects.

To report a power outage, call Jersey Central Power & Light at 1-888-LIGHTSS (1-888-544-4877) or visit its website at and click on the “Report Outage” link, or text to 544487.

To report downed power lines, call the Belmar Police Department at 911.

JCP&L warns to never go near a downed power line, even if it's presumed to be no longer carrying electricity. Extra caution should be exercised in areas where downed wires may be tangled in downed tree branches or other debris.

Here is the latest forecast from the National Weather Service:

Tonight: A chance of showers, mainly before 2 a.m. Partly cloudy, with a low around 73. Breezy, with a southwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Chance of precipitation is 40 percent. New precipitation amounts of less than a tenth of an inch possible.

Wednesday: Mostly sunny, with a high near 84. West wind 5 to 10 mph.

Wednesday night: Mostly clear, with a low around 72. Southwest wind 5 to 10 mph becoming northwest after midnight.

Thursday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 20 percent.

Thursday night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40 percent.

Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40 percent.

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