BOCA RATON, FL (BocaNewsNow.com) (Copyright © 2025 MetroDesk Media, LLC) — That new system added to the National Hurricane Center’s map earlier this week is continuing to develop. Forecasters now say there’s a 50-percent chance of a tropical depression forming within days. Here’s the Saturday afternoon update from the NHC:
Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 PM EDT Sat Sep 13 2025
For the North Atlantic… Caribbean Sea and the Gulf of Mexico (America):
Eastern and Central Tropical Atlantic: A tropical wave located near the Cabo Verde Islands is producing a large area of disorganized shower and thunderstorm activity over the far eastern Atlantic. Dry and stable air will likely limit this system’s development over the next few days, but a tropical depression could form by the middle to latter part of next week while moving west-northwestward to northwestward at 10 to 15 mph over the central tropical Atlantic.
- Formation chance through 48 hours…low…near 0 percent.
- Formation chance through 7 days…medium…50 percent.
…TROPICAL WAVES…
The axis of an eastern Atlantic tropical wave is near 24.5W from 02N to 20N, moving westward at 10 to 15 kt. Scattered moderate convection is seen from 06N to 10N and from 12N to 17N between 20W and 30W. Dry and stable air will likely limit this system’s development over the next few days, but a tropical depression could form by the middle to latter part of next week while moving west-northwestward to northwestward at 10 to 15 mph over the central tropical Atlantic. There is a medium chance for tropical development within the next 7 days.
The axis of a central Atlantic tropical wave is near 40W from 01N to 20N. It is moving westward at 5 to 10 kt. Scattered moderate convection is depicted from 14N to 18.5N between 36W and 42W.
The axis of an eastern Caribbean tropical wave is near 62W south of 20N, moving westward at about 15 kt. Scattered moderate convection is depicted from are from 10N to 18N between 57W and 63W.
A western Caribbean tropical wave has its axis near 87W south of 20N, moving westward at around 10 kt. Scattered moderate to isolated strong convection is depicted along the wave axis over the Gulf of Honduras.
