394
FZNT25 KNHC 241516
OFFN04

NAVTEX Marine Forecast
NWS National Hurricane Center Miami, FL
1116 AM EDT Tue Sep 24 2024

...Please refer to Coastal Waters Forecasts (CWF) available
through NOAA Weather Radio and other means for detailed
Coastal Waters Forecasts...

Southeast Gulf of Mexico

.SYNOPSIS...Tropical Storm Helene is near 19.5N 84.3W at 11 AM
EDT, and is moving northwest at 10 kt. Maximum sustained winds
are 40 kt with gusts to 50 kt, and the minimum central pressure
is 1000 mb. Helene will move to 20.3N 85.2W this evening,
strengthen to a hurricane near 21.5N 86.3W Wed morning, 23.2N
86.3W Wed evening, 25.9N 85.4W Thu morning, 29.7N 84.3W Thu
evening, and weaken to a tropical storm near 33.9N 83.9W Fri
morning. Helene will weaken as a post-tropical cyclone near
39.7N 86.8W early Sat. Helene is expected to become a large and
powerful hurricane.

...HURRICANE WARNING...

.THIS AFTERNOON...E winds 15 to 20 kt. Seas 3 to 4 ft. Scattered
showers and isolated tstms.
.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 20 to
25 kt, becoming E to SE 30 to 35 kt after midnight. Seas 4 to
6 ft. Scattered showers and isolated tstms.
.WED...TROPICAL STORM CONDITIONS EXPECTED. E to SE winds 35 to
45 kt. Seas 7 to 10 ft. Scattered showers and isolated tstms.
.WED NIGHT...HURRICANE CONDITIONS EXPECTED. E to SE winds 50 to
55 kt, becoming SE 75 to 85 kt after midnight. Seas 9 to 14 ft.
Numerous showers and isolated tstms. Vsby 1 NM or less.
.THU...HURRICANE CONDITIONS POSSIBLE. S to SW winds 75 to 95 kt.
Seas 14 to 19 ft. Scattered showers and isolated tstms. Vsby 1 NM
or less.
.THU NIGHT...HURRICANE CONDITIONS POSSIBLE.
.FRI...SW winds 15 to 20 kt. Seas 7 to 10 ft in NW swell.
.FRI NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft, subsiding
to 3 to 5 ft after midnight.
.SAT...S to SW winds 10 to 15 kt. Seas 3 to 4 ft.

Within 200 nm east of the coast of Florida

.SYNOPSIS...Tropical Storm Helene is near 19.5N 84.3W at 11 AM
EDT, and is moving northwest at 10 kt. Maximum sustained winds
are 40 kt with gusts to 50 kt, and the minimum central pressure is
1000 mb. Helene will move to 20.3N 85.2W this evening, strengthen
to a hurricane near 21.5N 86.3W Wed morning, 23.2N 86.3W Wed
evening, 25.9N 85.4W Thu morning, 29.7N 84.3W Thu evening, and
weaken to a tropical storm near 33.9N 83.9W Fri morning. Helene
will weaken as a post-tropical cyclone near 39.7N 86.8W early Sat.
Helene is expected to become a large and powerful hurricane. As
Helene moves across the eastern Gulf of Mexico, expect fresh to
strong winds and rough seas just E of the Florida Peninsula to
about 78W.

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. Scattered
showers and isolated tstms.
.TONIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. Scattered
tstms.
.WED...SE winds 20 to 25 kt S of 27N, and E to SE 15 to 20 kt N
of 27N. Seas 3 to 5 ft. Scattered showers and isolated tstms.
.WED NIGHT...SE to S winds 25 to 30 kt S of 27N, and SE 20 to
25 kt N of 27N. Seas 4 to 6 ft. Scattered tstms.
.THU...TROPICAL STORM CONDITIONS POSSIBLE. S of 27N, SE to S
winds 25 to 30 kt. N of 27N, SE winds 20 to 25 kt, increasing to
30 to 35 kt in the afternoon. Seas 5 to 7 ft. Scattered showers
and isolated tstms.
.THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE.
.FRI...S winds 15 to 20 kt S of 27N, and S to SW 20 to 25 kt N of
27N. Seas 6 to 8 ft.
.FRI NIGHT...SE to S winds 15 to 20 kt S of 27N, and S to SW
15 to 20 kt N of 27N. Seas 4 to 6 ft.
.SAT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft.