000
FZNT25 KNHC 312118
OFFN04

NAVTEX Marine Forecast
NWS National Hurricane Center Miami, FL
518 PM EDT Fri Jul 31 2020

...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...Hurricane Isaias is centered near 22.6N 75.7W 991 mb
at 5 PM EDT moving NW at 13 kt. Maximum sustained winds 65 kt
gusts 80 kt. Isaias will move near or over the Central and NW
Bahamas tonight and Sat, then track near the east coast of the
Florida peninsula Sat afternoon through Sun. Gentle to moderate 
winds will prevail across the Gulf waters through early next week
as weak high pressure persists over the northern Gulf. 

.TONIGHT...NE winds 15 to 20 kt. Seas 3 to 4 ft. 
.SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers
and isolated tstms. 
.SAT NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft. Scattered
showers and isolated tstms. 
.SUN...NW to N winds 10 to 15 kt. Seas 2 ft or less. Scattered
tstms. 
.SUN NIGHT...NW to N winds 10 to 15 kt. Seas 2 ft or less.
Scattered tstms. 
.MON...N winds 5 to 10 kt. Seas 2 ft or less. 
.MON NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. 
.TUE...NE winds 5 to 10 kt. Seas 2 ft or less. 
.TUE NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less. 
.WED...E winds 5 to 10 kt. Seas 2 ft or less.  

Within 200 nm east of the coast of Florida

.SYNOPSIS...Hurricane Isaias is centered near 22.6N 75.7W 991 mb 
at 5 PM EDT moving NW at 13 kt. Isaias will move toward the NW 
Bahamas near 23.9N 77.2W Sat morning, then move near the east 
coast of the Florida peninsula to 25.4N 78.8W Sat afternoon, 26.8N
79.9W Sun morning, 28.3N 80.4W Sun afternoon, and weaken to a 
tropical storm near 30.0N 80.4W Mon morning. Isaias will then 
accelerate N of the area and move to 32.5N 79.4W Mon afternoon. 
Very large seas in SE swell are expected over a large portion of 
the SW North Atlantic waters near and offshore of the Bahamas 
tonight into Sat. Swell associated with Isaias will spread 
northward across the waters W of 75W Sat night through Sun night, 
then move N of the region early next week. 

...HURRICANE WARNING...

.TONIGHT...HURRICANE CONDITIONS EXPECTED. S of 27N, NE to E
winds 45 to 50 kt, becoming NE 60 to 70 kt after midnight. N of
27N, E to SE winds 40 to 45 kt, increasing to 50 to 55 kt after
midnight. N of 27N, seas 7 to 11 ft. S of 27N, seas 3 to 5 ft,
building to 5 to 7 ft late. Scattered showers and isolated tstms.
.SAT...HURRICANE CONDITIONS EXPECTED. S of 27N, N winds 55 to
65 kt, shifting to SW 60 to 70 kt in the afternoon. N of 27N, E
to SE winds 45 to 50 kt, diminishing to 35 to 40 kt in the
afternoon. Seas 8 to 11 ft in NE swell. Scattered showers and
isolated tstms.
.SAT NIGHT...HURRICANE CONDITIONS EXPECTED. S of 27N, S winds
60 to 70 kt. N of 27N, E to SE winds 40 to 45 kt, increasing to
55 to 65 kt after midnight. Seas 8 to 15 ft in NE swell. 
Scattered showers and isolated tstms. 
.SUN...HURRICANE CONDITIONS EXPECTED. S of 27N, S winds 40 to
45 kt, diminishing to 15 to 20 kt in the afternoon. N of 27N, SE
winds 55 to 65 kt. N of 27N, seas 10 to 17 ft. S of 27N, seas 6 
to 9 ft, subsiding to 3 to 5 ft in the afternoon. Scattered 
showers and isolated tstms. 
.SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. SE winds 15 to 20 kt
S of 27N, and SE to S 50 to 65 kt N of 27N. Seas 3 to 5 ft S of 
27N, and 12 to 17 ft N of 27N. Scattered showers and isolated 
tstms. 
.MON...TROPICAL STORM CONDITIONS POSSIBLE. 
.MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 7 ft.
.TUE...E to SE winds 5 to 10 kt S of 27N, and SE to S 10 to 15 kt
N of 27N. Seas 3 to 5 ft. 
.TUE NIGHT...E to SE winds 10 to 15 kt S of 27N, and SE to S
10 to 15 kt N of 27N. Seas 3 to 5 ft.
.WED...SE winds 5 to 10 kt. Seas 3 to 4 ft.