High Seas Forecast
Issued by NWS

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000
FZPN03 KNHC 151610
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI DEC 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1200 UTC FRI DEC 15.
24 HOUR FORECAST VALID 1200 UTC SAT DEC 16.
48 HOUR FORECAST VALID 1200 UTC SUN DEC 17.

.WARNINGS.

...GULF OF TEHUANTEPEC GALE WARNING...
.12 HOUR FORECAST N OF 15N BETWEEN 94W AND 96W...INCLUDING GULF
OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W
TO 15N95W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT.
SEAS TO 9 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF LINE FROM
16N95W TO 14N95W N TO NE WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W
TO 15N95W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT.
SEAS 9 TO 11 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF LINE FROM
16N95W TO 13N956W N TO NE WINDS 20 TO 30 KT. SEAS TO 89 FT.
.36 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF LINE FROM 16N95W
TO 15N95W TO 12N97W...INCLUDING GULF OF TEHUANTEPEC...N TO NE
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.GULF OF CALIFORNIA N OF 28N NW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.36 HOUR FORECAST GULF OF CALIFORNIA COLD FRONT MOVING INTO
NORTHERN GULF. N OF 29N SW WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT. .48 HOUR FORECAST GULF OF CALIFORNIA COLD FRONT DISSIPATING
ALONG 27N. N OF 29N NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.WITHIN AREA BOUNDED BY 11N86W TO 12N86W TO 11N89W TO 11N88W TO
10N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WITHIN AREA BOUNDED BY 11N86W TO 12N86W TO
11N89W TO 11N88W TO 10N87W TO 10N86W TO 11N86W...INCLUDING THE
GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 11N86W TO 11N88W TO
10N88W TO 09N88W TO 09N87W TO 10N86W TO 11N86W...INCLUDING THE
GULF OF PAPAGAYO... NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.WITHIN AREA BOUNDED BY 20N135W TO 22N137W TO 22N140W TO 14N140W
TO 15N135W TO 20N135W E WINDS 20 TO 25 KT. SEAS 12 TO 14 FT.
ELSEWHERE WITHIN AREA BOUNDED BY 30N120W TO 30N140W TO 01N140W
TO 14N125W TO 30N120W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW
SWELL.
.24 HOUR FORECAST WITHIN COLD FRONT FROM 30N120W TO 28N130W. N OF
FRONT NE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE WITHIN
AREA BOUNDED BY 19N115W TO 29N115W TO 30N140W TO 00S140W TO
01N129W TO 19N115W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW
SWELL.
.48 HOUR FORECAST FRONT DISSPATED. WITHIN AREA BOUNDED BY
29N117W TO 30N140W TO 01N140W TO 00S123W TO 06N116W TO
29N117W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT IN NW SWELL.

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

CONVECTION VALID AT 1500 UTC FRI DEC 15...

SCATTERED MODERATE CONVECTION IS NOTED FROM 15N TO 18N BETWEEN
110W AND 115W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM FROM 09N84W TO 06N98W...WHERE
IT TRANSITIONS TO THE ITCZ AND CONTINUES TO BEYOND 10N140W. NO
SIGNIFICANT CONVECTION.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.



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