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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
800 PM EDT Wed Sep 17 2025

For the North Atlantic...Caribbean Sea and the Gulf of America:

Active Systems:
The National Hurricane Center is issuing advisories on Tropical
Storm Gabrielle, located in the central Tropical Atlantic.

1. East-Central Tropical Atlantic:
A tropical wave located near the Cabo Verde Islands continues
producing disorganized showers and thunderstorms. Environmental
conditions are only marginally conducive, and any development of
this system should be slow to occur while it moves westward at 15
to 20 mph across the eastern and central portion of the tropical
Atlantic. Regardless of development, this system will continue to
bring areas of heavy rain across the Cabo Verde Islands through
Thursday.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 7 days...low...10 percent.

2. Eastern Tropical Atlantic:
A tropical wave is forecast to move off the coast of west Africa by
Friday morning. Some slow development of this system is possible as
it moves west-northwestward across the eastern tropical Atlantic
this weekend into early next week.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...low...20 percent.




Public Advisories on Tropical Storm Gabrielle are issued under
WMO header WTNT32 KNHC and under AWIPS header MIATCPAT2.
Forecast/Advisories on Tropical Storm Gabrielle are issued under
WMO header WTNT22 KNHC and under AWIPS header MIATCMAT2.


Forecaster Hagen