000
FZPN03 KNHC 110259
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON DEC 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MON DEC 11.
24 HOUR FORECAST VALID 0000 UTC TUE DEC 12.
48 HOUR FORECAST VALID 0000 UTC WED DEC 13.

.WARNINGS.

...STORM WARNING...
.WITHIN 30 NM OF LINE FROM 16N95W TO 14N96W...INCLUDING GULF OF 
TEHUANTEPEC...N TO NE WINDS 40 TO 50 KT. SEAS 14 TO 21 FT. 
ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W TO 14N96W TO 13N97W N 
TO NE WINDS 30 TO 40 KT. SEAS 12 TO 18 FT. REMAINDER OF AREA 
WITHIN 120 NM OF LINE FROM 16N95W TO 13N96W TO 10N100W NE WINDS 
20 TO 30 KT. SEAS 10 TO 15 FT. REMAINDER OF AREA FROM 05N TO 15N 
BETWEEN 90W AND 106W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
PRIMARILY IN NE SWELL. 
.12 HOUR FORECAST WITHIN 60 NM OF LINE FROM 16N95W TO 15N95W TO 
13N97W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 45 
KT. SEAS 13 TO 20 FT. ELSEWHERE WITHIN 90 NM OF LINE FROM 16N95W 
TO 14N95.5W TO 10N101W N TO NE WINDS 20 TO 30 KT. SEAS 12 TO 18 
FT PRIMARILY IN NE SWELL. REMAINDER OF AREA FROM 03N TO 15N 
BETWEEN 90W AND 109W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN 
MIXED NE AND SW SWELL.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO 
14N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 
KT. SEAS 11 TO 16 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W 
TO 15N95W TO 12N98W NE TO E WINDS 20 TO 30 KT. SEAS 11 TO 15 FT. 
REMAINDER OF AREA FROM 02N TO 15N BETWEEN 91W AND 110W WINDS 20 
KT OR LESS. SEAS 8 TO 13 FT IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO 
14N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 
KT. SEAS 10 TO 13 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W 
TO 15N95W TO 13N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
REMAINDER OF AREA W OF LINE FROM 16N93W TO 02N100W AND E OF LINE 
FROM 16N97W TO 11N112W TO 02N112W WINDS 20 KT OR LESS. SEAS 8 TO 
12 FT IN MIXED NE AND NW SWELL. 

...GALE WARNING... 
.WITHIN 30 NM OF LINE FROM 11N86W TO 09N87W...INCLUDING GULF OF 
PAPAGAYO...N TO NE WINDS 30 TO 35 KT. SEAS 8 TO 11 FT. ELSEWHERE 
FROM 06.5N TO 11N BETWEEN 85.5W AND 90W N TO NE WINDS 20 TO 30 
KT. SEAS TO 9 FT.
.12 HOUR FORECAST WITHIN 60 NM OF LINE FROM 11N85.5W TO 07N89W 
NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 06N TO 11N 
BETWEEN 85.5W AND 90W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED NE AND SW SWELL.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 
07N89.5W...INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT. ELSEWHERE FROM 05N TO 11N BETWEEN 86W AND 91W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 
10N87.5W...INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. 
SEAS TO 8 FT. FROM 07N TO 09N BETWEEN 89W AND 92W WINDS 20 KT OR 
LESS. SEAS 8 FT IN MIXED NE AND S SWELL.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N137W TO 27N140W. N OF LINE FROM 30N134W TO 
24.5N140W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT IN NW 
SWELL...HIGHEST NW.
.24 HOUR FORECAST WEAKENING WARM FRONT FROM 30N137W TO 28N140W. 
W OF LINE FROM 30N128W TO 20N132W TO 15N128W TO 09N138W WINDS 20 
KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. W OF LINE FROM 30N123W TO 
16N123W TO 01N140W AND E OF LINE FROM 30N129W TO 24N140W TO 
01N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.

.W OF LINE FROM 20N128W TO 15N123W TO 09N133W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED NW AND NE SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH PARAGRAPH ABOVE.

.WITHIN 120 NM OF COAST OF CENTRAL AMERICA BETWEEN 87.5W AND 91W 
N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST NEW COLD FRONT NW OF AREA. N OF 28N AND W OF 
138W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.

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

CONVECTION VALID AT 0230 UTC MON DEC 11...

.TROUGH FROM 08N119W TO 15N116W. SCATTERED MODERATE ISOLATED 
STRONG FROM 12N TO 19N BETWEEN 108W AND 113W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N85W 07N98W TO 08N112W. ITCZ CONTINUES 
FROM 07N121W TO 06N128W TO BEYOND 08N140W. SCATTERED MODERATE 
FROM 05N TO 09N BETWEEN 122W AND 132W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.