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High Seas Forecast (Tropical Atlantic)



000
FZNT02 KNHC 230925
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU NOV 23 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU NOV 23.
24 HOUR FORECAST VALID 0600 UTC FRI NOV 24.
48 HOUR FORECAST VALID 0600 UTC SAT NOV 25.

.WARNINGS.
...ATLC GALE WARNING...
.ATLC LOW PRES NEAR 30N67W 1008 MB WITH COLD FRONT TO 23N74W. 
WITHIN 150 NM E QUADRANT OF LOW S TO SW WINDS 30 TO 35 KT. SEAS 
10 TO 15 FT. ELSEWHERE N OF 27N E OF FRONT TO 60W S TO SW WINDS 
20 TO 30 KT. SEAS 9 TO 12 FT. REMAINDER AREA N OF 20N W OF 60W 
TO A LINE FROM 31N71W TO 20N63W WINDS 20 KT OR LESS. SEAS TO 9 
FT IN NE TO E SWELL. 
.06 HOUR FORECAST LOW PRES NEAR 31N64W 1008 MB WITH COLD FRONT 
TO 24N69W. N OF 29N E OF FRONT TO 60W S TO SW WINDS 25 TO 35 KT. 
SEAS 10 TO 15 FT. ELSEWHERE N OF 27N E OF FRONT TO 58W S TO SW 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
.12 HOUR FORECAST LOW PRES N OF AREA NEAR 32N62W WITH COLD FRONT 
TO 26N65W. N OF 28N E OF FRONT TO 57W S TO SW WINDS 20 TO 30 KT. 
SEAS 8 TO 12 FT...EXCEPT 13 FT ALONG 31N.
.24 HOUR FORECAST LOW PRES N OF AREA WITH COLD FRONT FROM 31N58W 
TO 26N64W. N OF 29N E OF FRONT TO 54W S TO SW WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT.  
.48 HOUR FORECAST LOW PRES WELL N OF AREA WITH COLD FRONT FROM 
31N52W TO 27N57W. N OF 30N E OF FRONT TO 50W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN NE SWELL.  

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO LOW PRES NEAR 28N86W 1012 MB WITH COLD FRONT TO 
19N91W...AND STATIONARY FRONT TO 29N81W. S OF 21N W OF 94W NW 
WINDS 25 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE W OF COLD 
FRONT...AND N OF STATIONARY FRONT N TO NE WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT S OF 27N W OF COLD FRONT. 
.06 HOUR FORECAST LOW PRES NEAR 28.5N84W 1010 MB WITH STATIONARY 
FRONT TO 23N88W TO 19N91W. S OF 21N W OF 94W NW WINDS 25 TO 30 
KT. SEAS 10 TO 13 FT. ELSEWHERE NW OF FRONT TO A LINE FROM 
30N86W TO 26N92W TO 24N97W NW TO N WINDS 20 TO 25 KT. 8 TO 10 FT 
S OF 26N.
.24 HOUR FORECAST LOW PRES E OF AREA WITH COLD FRONT TO 27N82W 
TO 21N88W. S OF 20N BETWEEN 92W AND 95W WINDS 20 KT OR LESS. 
SEAS 8 FT IN N SWELL. 
.36 HOUR FORECAST COLD FRONT FROM 26N82W TO 21N86W. WINDS 20 KT 
OR LESS. SEAS LESS THAN 8 FT. 

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 29N35W TO 28N44W THEN WEAKENING STATIONARY 
FRONT TO 27N50W TO 29N56W. N OF FRONT WINDS 20 KT OR LESS. SEAS 
8 TO 10 FT IN NW SWELL. ELSEWHERE N OF A LINE FROM 25N35W TO 
25N40W TO 25N 51W TO 27N60W WINDS 20 KT OR LESS. SEAS TO 9 FT IN 
MIXED NW AND NE SWELL.
.24 HOUR FORECAST COLD FRONT FROM 22N35W TO 21N43W. N OF 25N E 
OF 38W NW WINDS 20 TO 30 KT. SEAS 12 TO 18 FT IN NW SWELL. 
ELSEWHERE NE OF LINE FROM 31N49W TO 25N40W TO 24N35W WINDS 20 KT 
OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 19N35W TO 18N42W. E OF LINE 
FROM 31N45W TO 25N47W TO 19N35W WINDS 20 KT OR LESS. SEAS 8 TO 
12 FT IN N SWELL...EXCEPT 12 TO 13 FT IN N SWELL N OF 25N E OF 
37W. 

.ATLC LOW PRES NEAR 20N44W 1012 MB. FROM 19N TO 25N BETWEEN 42W 
AND 51W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN NE SWELL. 
FROM 16N TO 20N W OF 55W WINDS 20 KT OR LESS. SEAS 8 FT IN NE 
SWELL.
.24 HOUR FORECAST LOW DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS 
THAN 8 FT.

.ATLC 18 HOUR FORECAST LOW PRES NEAR 31N79W 1009 MB WITH COLD 
FRONT TO NEAR 28N81W. N OF 29.5N W OF FRONT NE WINDS 20 TO 30 
KT. SEAS TO 8 FT. N OF 30N E OF FRONT TO 78W S WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES N OF AREA WITH COLD FRONT FROM 31N78W 
TO 28N81W. N OF 29N W OF FRONT NE WINDS 20 TO 25 KT. SEAS TO 9 
FT. N OF 30N E OF FRONT TO 75W S TO SW WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.36 HOUR FORECAST COLD FRONT FROM 31N74W TO 1011 MB LOW PRES 
30N78W TO 27N80W. N OF 29N W OF FRONT WINDS 20 KT OR LESS. SEAS 
8 FT IN NE SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N74W TO 1011 MB LOW PRES 
30N78W TO 27N80W. N OF 29N W OF FRONT WINDS 20 KT OR LESS. SEAS 
8 FT IN NE SWELL. COLD FRONT FROM 1012 MB LOW PRES NEAR 31N76W 
TO 26N80W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CARIBBEAN 24 HOUR FORECAST FROM 12N TO 14.5N W OF 82.5W N WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$

.FORECASTER GR. NATIONAL HURRICANE CENTER.