000
FZNT02 KNHC 171435
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI SEP 17 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

SECURITE

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 1200 UTC FRI SEP 17.
24 HOUR FORECAST VALID 1200 UTC SAT SEP 18.
48 HOUR FORECAST VALID 1200 UTC SUN SEP 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRESSURE NEAR 12N43.5W 1011 MB. WITHIN 17N35W TO 
15N39W TO 16N42W TO 19N40W TO 19N36W TO 17N35W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN E SWELL.
.24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE... 
NEAR 14N50W 1010 MB. WITHIN 15N48W TO 14N49W TO 16N49W TO 17N49W
TO 17N47W TO 15N48W E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
ELSEWHERE WITHIN 15N45W TO 14N48W TO 18N50W TO 20N46W TO 17N42W 
TO 15N45W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN E SWELL.
.48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE... 
NEAR 16N54.5W 1010 MB. WITHIN 16N53W TO 17N55W TO 18N55W TO 
19N53W TO 18N53W TO 16N53W E WINDS 20 TO 30 KT. SEAS 9 TO 10 FT.
ELSEWHERE WITHIN 18N50W TO 17N53W TO 16N55W TO 19N56W TO 21N54W 
TO 18N50W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E TO SE SWELL.

.CARIBBEAN WITHIN 11N77W TO 13N77W TO 14N76W TO 14N72W TO 13N71W
TO 11N77W E WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST WITHIN 11N75W TO 11N76W TO 11N77W TO 13N76W TO
12N75W TO 11N75W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
ELSEWHERE WITHIN 12N77W TO 11N75W TO 11N77W TO 12N78W TO 13N76W 
TO 12N77W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.CARIBBEAN 12 HOUR FORECAST WITHIN 16N85W TO 16N86W TO 17N86W TO
16N85W...INCLUDING THE GULF OF HONDURAS...E WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.