High Seas Forecast
Issued by NWS

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000
FZNT02 KNHC 230413
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU NOV 23.
24 HOUR FORECAST VALID 0000 UTC FRI NOV 24.
48 HOUR FORECAST VALID 0000 UTC SAT NOV 25.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO STATIONARY FRONT FROM 29N83W TO LOW PRES NEAR
26N87W 1012 MB. COLD FRONT CONTINUES TO TO 18.5N92.5W. S OF 20N
W OF 95W NW TO N WINDS 30 TO 35 KT. SEAS 11 TO 13 FT. FROM 29N
TO 30N BETWEEN 88W AND 89W AND FROM 28N TO 29N BETWEEN 92W AND
93W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.09 HOUR FORECAST LOW PRES NEAR 28N86W 1010 MB WITH COLD FRONT
TO 21N90W TO 18.5N92W. WITHIN 30 NM EITHER SIDE OF LINE FROM
28N87W TO 27N88W TO 25N90W N TO NE WINDS 20 TO 25 KT. FROM 25N
TO 27N BETWEEN 88W AND 90W N WINDS 20 TO 25 KT. SEAS TO 10 FT.
S OF 24N W OF LINE FROM 24N95W TO 18.5N93W NW TO N WINDS 20 TO
25 KT. SEAS 8 TO 14 FT...HIGHEST NEAR 19N95W. ELSEWHERE S OF 26N
W OF 90W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST LOW PRES E OF AREA IN FLORIDA WITH COLD FRONT
TO 27N85W TO 21.5N87W. FROM 19N TO 20N W OF 95W NW WINDS 20 TO
25 KT. SEAS TO 10 FT. ELSEWHERE FROM 22N TO 23N BETWEEN 90W AND
92W WIND AND S OF 20N BETWEEN 92W AND 96W WINDS 20 KT OR LESS.
SEAS TO 10 FT IN NW SWELL.
.33 HOUR FORECAST LOW PRES NEAR 27N83.5W 1009 MB WITH WEAKENING
COLD FRONT TO 22N85W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

...ATLC GALE WARNING...
.ATLC COLD FRONT FROM LOW PRES NEAR 29.5N67W 1008 MB TO 25N70W
TO 22N75W. WITHIN 150 NM E QUADRANT S TO SE WINDS 25 TO 35 KT.
SEAS TO 14 FT. ELSEWHERE WITHIN 300 NM E SEMICIRCLE OF LOW AND N
OF 30N BETWEEN 59W AND 62W WINDS 20 TO 30 KT SEAS 10 TO 14 FT.
REMAINDER AREA N OF 27N BETWEEN 60W AND 72W AND WITHIN 150 NM OF
LINE FROM 27N64W TO 22N61W WINDS 20 KT OR LESS. SEAS TO 9 FT IN
MIXED NW AND NE SWELL.
.06 HOUR FORECAST LOW PRES NEAR 31N66W 1008 MB WITH COLD FRONT
TO 25N72W AND WEAKENING COLD FRONT TO 20N73W. WITHIN 120 NM SE
QUADRANT OF LOW WINDS 25 TO 35 KT. SEAS 14 TO 17 FT. ELSEWHERE
WITHIN 270 NM SE SEMICIRCLE OF LOW WINDS 20 TO 30 KT. SEAS 9 TO
14 FT. REMAINDER AREA N OF 27N BETWEEN 59W AND 70W AND WITHIN
120 NM OF LINE FROM 27N64W TO 22N63W TO 17N58W WINDS 20 KT OR
LESS. SEAS TO 9 FT IN NE TO E SWELL.
.24 HOUR FORECAST LOW PRES JUST N OF AREA NEAR 33N60W 1001 MB
WITH COLD FRONT TO 25N65W. OVER FORECAST WATERS WITHIN 210 NM S
SEMICIRCLE OF LOW WINDS 20 TO 30 KT. SEAS 0 TO 12 FT. ELSEWHERE
N OF 29N BETWEEN 57W AND 62W WINDS 20 KT OR LESS. SEAS TO 11 FT
IN MIXED SE AND SW SWELL.
.48 HOUR FORECAST LOW WELL N OF AREA WITH ASSOCIATED COLD FRONT
FROM 31N52W TO 26N58W. N OF 30N BETWEEN 50W AND 54W WINDS 20 KT
OR LESS. SEAS TO 9 FT IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N35W TO 29N40W TO 27N50W THEN STATIONARY
FRONT TO 27N42W. N OF 27N E OF 60W WINDS 20 KT OR LESS. SEAS TO
9 FT IN MIXED NW AND NE SWELL.
.12 HOUR FORECAST COLD FRONT FROM 27N35W TO 25N46W. N OF 30N E
OF 41W NW WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. ELSEWHERE N OF
26N E OF 50W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED N AND
NW SWELL.
.24 HOUR FORECAST COLD FRONT DISSIPATED. N OF 27N E OF 38W NW
WINDS 20 TO 25 KT. SEAS 12 TO 18 FT. ELSEWHERE NE OF LINE FROM
31N47W TO 27N42W TO 25N35W WINDS 20 KT OR LESS. SEAS TO 12 FT IN
NW AND N SWELL.
.48 HOUR FORECAST E OF LINE FROM 31N45W TO 26N47W TO 23N42W TO
20N35W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN MIXED SWELL.

.ATLC TROUGH FROM 24N32W TO 23N40W TO LOW PRES NEAR 20N43W 1012
MB WITH TROUGH TO 18N45W TO 16N50W. FROM 20N TO 27N BETWEEN 41W
AND 51W WINDS 20 KT OR LESS. SEAS TO 109 FT IN MIXED SWELL.
.24 HOUR FORECAST FIRST TROUGH FROM 20N35W TO 16N37W. SECOND
TROUGH FROM 21N44W TO 18N47W TO 15N50W. FROM 21N TO 23N BETWEEN
47W AND 51W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.30 HOUR FORECAST TROUGH FROM 21N44W TO 18N48W TO 15N52W. WINDS
20 KT OR LESS. SEAS LESS THAN 8 FT.

.27 HOUR FORECAST CARIBBEAN FROM 12N TO 14N W OF 83W N TO NE
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 11N TO 14N W OF 82W N TO NE WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.

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

$$

.FORECASTER MT. NATIONAL HURRICANE CENTER.


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