843 
FZNT02 KNHC 210316
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI SEP 21 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FRI SEP 21.
24 HOUR FORECAST VALID 0000 UTC SAT SEP 22.
48 HOUR FORECAST VALID 0000 UTC SUN SEP 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 15N49W TO 08N50W. FROM 11N TO 14N BETWEEN 49W AND 
52W E TO SE WINDS 20 TO 25 KT. SEAS TO 8 FT. SCATTERED MODERATE 
CONVECTION FROM 10N TO 12N E OF TROUGH TO 48W. 
.24 HOUR FORECAST TROUGH FROM 15N52W TO 10N54W. WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT. 

.ATLC N OF 30N BETWEEN 62W AND 66W SW WINDS 20 TO 25 KT. SEAS 8 
TO 10 FT. N OF 30N BETWEEN 68W AND 71W WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT IN NW TO N SWELL.
.24 HOUR FORECAST LOW PRES NEAR 30N64W 1012 MB. N OF 29N BETWEEN 
64W AND 70W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.
.48 HOUR FORECAST LOW PRES NEAR 27N67W 1013 MB. N OF 30N BETWEEN 
66W AND 69W NE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE N 
OF LINE FROM 30N60W TO 28N69W TO 31N72W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NE SWELL.

.ATLC 36 HOUR FORECAST COLD FRONT FROM 31N44W TO 28N49W. WITHIN 
240 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. N OF 30N 
W OF FRONT TO 60W WINDS 20 KT OR LESS. SEAS TO 9 FT IN N SWELL. 
.48 HOUR FORECAST COLD FRONT FROM 31N44W TO 27N46W TO 26N51W. N 
OF 27N E OF FRONT TO 39W SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. N 
OF 28N W OF FRONT TO 60W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
N SWELL. 

.CARIBBEAN FROM 11N TO 17N BETWEEN 67W AND 76W NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND 77W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. FROM 11N TO 17N BETWEEN 77W 
AND 79W WINDS 20 KT OR LESS. SEAS TO 9 FT IN E SWELL.
.48 HOUR FORECAST FROM 11.5N TO 15N BETWEEN 76W AND 80W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN E SWELL.

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

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.