Even without immediate threat of a land-falling hurricane, the tropics are stirring up dangerous rip currents in the Pacific, Atlantic, and Gulf of Mexico.
In Southern California, large waves have already impacted the area for days and there's more in the forecast.
Tropical Storm Marie is moving out to sea but continuing to impact the region with swells rivaling waves seen in Hawaii.
From North Carolina to Massachusetts, a high rip current threat is keeping beachgoers wary of the water.
Hurricane Cristobal passed between the U.S. and Bermuda sending large waves to the Northeast coastline ahead of Labor Day weekend.
Another area to watch is the Gulf of Mexico near Texas and Louisiana where a low pressure has a chance of developing into a tropical cyclone.
Rain totals for the first half of the weekend could exceed 4" along the Texas coast.
The holiday is a popular time for traveling to the beach, but visitors should be prepared if the surf is too dangerous.
Tropical Storm Cristobal is dumping rain on the Bahamas in the Atlantic.
4-8" of rainfall is possible with some locations receiving up to a foot of rain.
Cristobal has maximum sustained winds of 60 mph and is forecasted to strengthen to a hurricane Tuesday night.
Luckily, the forecast track for Cristobal turns the storm away from the U.S. with no landfall expected.
The coastline will have dangerous surf and a high threat of rip currents through the middle of the week.
Vacationers and boaters should keep an eye on the forecast impacts for Tropical Storm Cristobal.
Extreme rainfall has plagued parts of the country this week from Detroit to Baltimore to New York state.
On Monday, Detroit, MI, received 4.57" rainfall in one day, the second highest daily rainfall measured in the city.
Yesterday, the flooding rain shifted to the Mid-Atlantic and Northeast.
Baltimore, MD, got 6.30" rainfall on Tuesday.
Just this morning, flash flooding stranded cars and forced water rescues on Long Island.
Islip, NY, measured over a foot of rain in less than 8 hours from the torrential downpour.
More rain is expected across New England before drier weather prevails on Thursday.
San Bernardino County was the site of dangerous flash flooding on Sunday that left one person dead.
The heavy rain and steep terrain resulted in mudslides that blocked roads and trapped residents.
The threat of rain is diminishing for the region.
Indra Petersons explores how the canyon can enhance dangerous flooding.