The tropics remain quiet today, June 21, with no tropical cyclone formation expected for the next seven days for the North Atlantic, Caribbean and Gulf, according to the 8 a.m. update from the National Hurricane Center.
The NHC is tracking four tropical waves, two in the Eastern Atlantic and two in the Caribbean Sea, but they currently do not pose a threat to Florida or the United States.
Here’s what the hurricane center is tracking in the tropics on Sunday, June 21, 2026.
National Hurricane Center tracking 4 tropical waves today, June 21
There are four tropical waves being watched by forecasters:
What is a tropical wave?
“Tropical waves are clusters of showers and thunderstorms that act as the seedlings for many tropical storms throughout the Atlantic season,” DaSilva said.
➤ Explanation of hurricane terms we hope not to hear in Florida this year
“There are about 60 tropical waves that move across the Atlantic each year, and roughly 10 percent to 15 percent of them develop into a tropical system. That’s about one in seven.
“Tropical waves are important because they contribute to about 80 percent of all major hurricanes.”
When does hurricane season end?
The Atlantic hurricane season runs from June 1 through Nov. 30.
Ninety-seven percent of tropical cyclone activity occurs during this time period, NOAA said.
➤ 2026 Atlantic hurricane season begins today. What can Florida expect?
The Atlantic basin includes the northern Atlantic Ocean, Caribbean Sea and Gulf of America, as the Gulf of Mexico is now known in the U.S. per an order from President Trump.
How many tropical storms, hurricanes are in a typical season?
The 30-year average, from 1991 to 2020, is for 14 named storms, seven hurricanes and three major hurricanes.
Could Florida be hit by a hurricane in 2026? See which counties have highest chance
What are names for 2026 Atlantic hurricane season?
Names for the 2026 Atlantic hurricane season, and how to pronounce them, are:
Florida weather radar for June 21, 2026
Weather watches and warnings in Florida
When is the peak of Atlantic hurricane season?
The peak of the Atlantic hurricane season is Sept. 10, with the most activity happening between mid-August and mid-October, according to the Hurricane Center.
Interactive map: See how many hurricanes, tropical storms have passed near your address
Stay informed. Get weather alerts via text
Kim Luciani is a journalist for the USA TODAY Network-Florida’s Audience team. You can get all of Florida’s best content directly in your inbox each weekday by signing up for the free newsletter, Florida TODAY, at https://naplesnews.com/newsletters.
This article originally appeared on Naples Daily News: What Florida’s NOAA hurricane center is monitoring Sunday, June 21
Reporting by Kim Luciani and Cheryl McCloud, USA TODAY NETWORK – Florida / Naples Daily News
USA TODAY Network via Reuters Connect
By Kim Luciani and Cheryl McCloud, USA TODAY NETWORK – Florida | USA TODAY Network
