Tropical Depression 1-C forms southeast of Hawaii in Central Pacific
Some strengthening is expected over the next few days, and Tropical Depression One-C will likely become Tropical Storm Iona.
Tropical Depression 1-C likely to become Tropical Storm Iona south of Hawaii in Central Pacific
A new tropical depression formed to the south of the Hawaiian Islands on Sunday, and forecasters say it will likely become a tropical storm in the coming days. FOX Weather Meteorologist Ari Sarsalari breaks down the latest forecast on July 27, 2025.
Tropical Depression One-C strengthened into Tropical Storm Iona on Sunday evening and coverage continues by clicking here.
HONOLULU – Tropical Depression One-C formed south of Hawaii in the Central Pacific Ocean late Saturday night local time, and the National Hurricane Center (NHC) said the system will likely become a tropical storm.
A tropical depression has maximum sustained winds of 38 mph or less, and unlike tropical storms and hurricanes, tropical depressions are identified with numbers instead of names.

(FOX Weather)
Tropical Depression One-C is located more than 1,000 miles southeast of Honolulu and is moving off to the west at 12 mph.
The NHC said Tropical Depression One-C is expected to continue on that path for the next few days, and should remain well south of the Hawaiian Islands.
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(FOX Weather)
Maximum sustained winds are near 35 mph with some higher gusts.
Some strengthening is expected over the next few days, and Tropical Depression One-C will likely become Tropical Storm Iona.