High Seas Forecast
Issued by NWS

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000
FZPN03 KNHC 170922
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN DEC 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN DEC 17.
24 HOUR FORECAST VALID 0600 UTC MON DEC 18.
48 HOUR FORECAST VALID 0600 UTC TUE DEC 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING GULF OF
TEHUANTEPEC... N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST N OF 14.5N BETWEEN 94W AND 95W...INCLUDING
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING
GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.LOW PRES NEAR 32N114W 1004 MB WITH COLD FRONT TO 28N114W TO
25N124W TO 27N130W. N OF FRONT NW TO N WINDS 20 TO 25 KT...
EXCEPT N TO NE WINDS BETWEEN 125W AND 130W. SEAS 9 TO 15 FT.
ELSEWHERE W OF 114W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
PRIMARILY IN NW SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 27N110W TO 25N112W
TO 23N120W. NW OF FRONT TO 120W WINDS 20 KT OR LESS. SEAS 8 TO
11 FT IN NW TO N SWELL. ELSEWHERE N OF 21N BETWEEN 112W AND 136W
WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW TO N SWELL. S OF LINE
FROM 22N140W TO 12N128W TO 15N105W WINDS 20 KT OR LESS. SEAS 8
TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. N OF 20N W OF 131W WINDS 20
KT OR LESS. SEAS TO 8 FT IN NW TO N SWELL. FROM 14N TO 20N
BETWEEN 112W AND 130W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NW
TO N SWELL AND NE WIND WAVES.

.GULF OF CALIFORNIA LOW PRES NEAR 32N114W 1004 MB WITH COLD
FRONT TO BEYOND 28N114W. BETWEEN FRONT AND 26N S TO SW WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 27N110W TO BEYOND
25N112W. N OF 29.5N W OF 113.5W NW TO N WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.30 HOUR FORECAST FRONT DISSIPATED. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.FROM 10N TO 12N E OF 89W...INCLUDING GULF OF PAPAGAYO...NE
TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST FROM 09.5N TO 12.5N E OF 91W...INCLUDING GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 09N TO 12.5N E OF 90W...INCLUDING GULF OF
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 10N TO 12N E OF 89.5W...INCLUDING GULF OF
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. FROM
07.5N TO 09.5N BETWEEN 92W AND 104W WINDS 20 KT OR LESS. SEAS TO
8 FT IN NE SWELL.

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

CONVECTION VALID AT 0830 UTC SUN DEC 17...

.SCATTERED MODERATE ISOLATED STRONG WITHIN 75 NM EITHER SIDE OF
LINE FROM 18N104W TO 12N120W.

.SCATTERED MODERATE N OF 27N WITHIN 90 NM E OF COLD FRONT FROM
32N114W TO 28N114W TO 25N124W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 06.5N92W TO 10N120W TO 08.5N134W TO BEYOND 09.5N140W.
SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OF ITCZ BETWEEN
102W AND 117W. SCATTERED WEAK TO MODERATE FROM 07N TO 17N W OF
131W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.



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