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Swell Arrives From Larry; Weak Gulf System May Develop East Of The State Friday

Wave Heights
Meteorologist Megan Borowski
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SCEIN
Swell and rip currents are likely to increase this week

Rough water conditions are likely during the coming days as swell arrives from Hurricane Larry well offshore and a weak system in the Gulf passes just south and east of the state.

A weak disturbance in the Gulf of Mexico -- what meteorologists are calling "91L" for tracking purposes -- has a low chance of developing before it reaches Florida late Wednesday or Thursday. "91L" will have another opportunity to organize in the Atlantic waters east of South Carolina on Friday. Higher seas, rip currents, and minor coastal flooding are the most probable impacts on the coastline. If the system tracks close enough to the coast, heavy rain and localized freshwater flooding are possible. It is also the time of year when the lunar perigee is becoming more favorable for higher astronomical tides, which increases the risk for some coastal flooding in the Lowcountry.

Moisture Monitor
Meteorologist Megan Borowski
Moisture from the Gulf disturbance is likely to hug the South Carolina coast or stay just offshore

Large Hurricane Larry, located about 800 miles from Bermuda Tuesday morning, is expected to miss the island to the east on Thursday. The large size of the hurricane is causing long-period swell to move westward toward the Atlantic coastline of the United States. Wave modeling is forecasting the first of the swell to arrive Tuesday afternoon, peaking on Wednesday and Thursday, before slowly easing this weekend. Waves that travel long distances carry lots of energy and are capable of contributing to dangerous rip currents. These currents may pull even the strongest swimmers out into the water. Many beaches have a flag warning system designed to alert swimmers to the potential danger. Swim near lifeguards or stay out of the water in accordance with the beach flags.