000
FZNT02 KNHC 070926
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT SEP 7 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT SEP 7.
24 HOUR FORECAST VALID 0600 UTC SUN SEP 8.
48 HOUR FORECAST VALID 0600 UTC MON SEP 9.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM GABRIELLE NEAR 30.9N 42.1W 1002 MB AT 0900 UTC 
SEP 07 MOVING NW OR 310 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 45 
KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE...70 
NM SE...0 NM SW AND 120 NM NW QUADRANTS. SEAS 12 FT OR GREATER 
WITHIN 120 NM OF CENTER EXCEPT 180 NM NE QUADRANT WITH SEAS TO 
19 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 180 NM OF CENTER 
EXCEPT 120 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 9 TO 13 FT. 
REMAINDER OF AREA N OF 27N E OF 45W WINDS 20 KT OR LESS. SEAS 8 
TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM GABRIELLE N OF AREA NEAR 33.3N 
46.6W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM 
FORCE WINDS WITHIN 140 NM NE...80 NM SE...40 NM SW AND 120 NM NW 
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 150 NM OF CENTER EXCEPT 
180 NM NE QUADRANT WITH SEAS TO 22 FT. OVER FORECAST WATERS N OF 
29N BETWEEN 43W AND 50W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
MIXED SWELL.
.48 HOUR FORECAST HURRICANE GABRIELLE NEAR 38.0N 47.3W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. OVER 
FORECAST WATERS N OF 29N BETWEEN 44W AND 59W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN NW SWELL.
.72 HOUR FORECAST HURRICANE GABRIELLE NEAR 43.6N 40.3W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE GABRIELLE NEAR 50.7N 26.7W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL GABRIELLE NEAR 
59.4N 7.9W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.ATLC N OF 29N BETWEEN 65W AND 74W WINDS 20 KT OR LESS. SEAS 8 
TO 11 FT IN W TO NW SWELL.
.24 HOUR FORECAST N OF 29N BETWEEN 55W AND 68W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN W TO NW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SWELL MERGED.

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

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.