(ACCUWEATHER) — As delegates and the media gather for the 2012 Republican National Convention in Tampa, Fla., Aug. 27-30, an unwanted visitor, “Isaac,” may join in.

Tropical Storm Isaac is forecast to become a hurricane later this week as it moves west-northwestward, touring the northern Caribbean with squalls of heavy rain, gusty winds and rough seas.

AccuWeather.com Hurricane Center meteorologists anticipate the storm curving to the north later this weekend into early next week.

Exactly where Isaac makes this turn will be a key for the track and severity of impact on Florida and the southeastern United States during the week of Aug. 27.

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