One Threat We’re Confident Of With The Two Latest Tropical Systems | Weather.com
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Regardless of forecast details, Tropical Storm Imelda and Hurricane Humberto will churn up the Atlantic Ocean, bringing impacts to the Eastern Seaboard.

ByMiriam GuthrieSeptember 29, 2025

Tropical Wave To Develop As It Moves West

Tropical Storm Imelda and Hurricane Humberto are expected to churn through the western Atlantic this week, leading to choppy seas and dangerous rip currents from Florida to Massachusetts. The latest forecast can be found here.

Imelda is now expected to be pulled out to sea rather than making a direct landfall on the Southeast coast. And Humberto is expected to stay well off the coast in the Atlantic.

That said, strong winds will churn up the ocean, generate large swells that, when they reach the coast, result in large breaking waves and strong rip currents. This general push of waves and water toward the coast can also result in flooding of normally dry areas at high tide, even in regions not directly hit by the storm.

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This is only one model run for potential wave heights on Monday, so the forecast could change significantly over the course of the weekend.

Wave Height Forecast

With Imelda passing close to the U.S. as well as Humberto a bit farther out to sea, days of onshore winds are likely up and down the Eastern Seaboard, generating large-scale high surf, dangerous rip currents and high tide coastal flooding from Florida to New England next week.

In the first half of this week, these impacts will mostly be felt from Florida to the Carolinas, but by the latter half of the week, they will extend northward all the way up to New England, and they're likely to linger for many days.

Again, regardless of the strength of these storms or where they track, there will be days of dangerous surf, rip currents and coastal flooding next week along the Eastern Seaboard.

Please stay up to date and check back with us at weather.com for important updates in the days ahead as the forecast of these storms becomes clearer.

Miriam Guthrie graduated from the Georgia Institute of Technology with an undergraduate degree in Atmospheric and Oceanic Sciences and is now a meteorology intern with weather.com while working toward her master’s.

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