High Seas Forecast
Issued by NWS

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390
FZPN03 KNHC 200322
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC TUE FEB 20 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE FEB 20.
24 HOUR FORECAST VALID 0000 UTC WED FEB 21.
48 HOUR FORECAST VALID 0000 UTC THU FEB 22.

.WARNINGS.

...GALE WARNING...

.GULF OF CALIFORNIA COLD FRONT FROM 31N112.5W TO 26N116W TO
23N125W. S OF FRONT TO 29N SW TO W WINDS 25 TO 35 KT. SEAS TO 8
FT. N OF FRONT NW WINDS 20 TO 35 KT. SEAS LESS THAN 8 FT.
.GULF OF CALIFORNIA 06 HOUR FORECAST COLD FRONT FROM 31N112W TO
26N112W TO 22N125W. GULF OF CALIFORNIA N OF FRONT NW TO N WINDS
20 TO 35 KT. SEAS TO 8 FT.
.GULF OF CALIFORNIA 12 HOUR FORECAST WEAKENING COLD FRONT FROM
31N111W TO 26N112W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 32N112W TO 26N116W TO 23N125W. N OF FRONT NW TO
N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE N OF 25N W OF
125W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 13N TO 18N W
OF 130W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 31N111W TO 26N112W.
FROM 13N TO 25N W OF 125W...AND FROM 15N TO 21N BETWEEN 120W AND
125W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE W OF
A LINE FROM 28N115W TO 23N115W TO 13N120W TO 08N140W WINDS 20 KT
OR LESS. SEAS 8 TO 12 FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. N OF 12N TO A LINE FROM
20N130W TO 27N140W...AND N OF 14N TO A LINE FROM 17N120W TO
20N130W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 12 FT IN MIXED NE
AND NW SWELL. ELSEWHERE W OF LINE FROM 30N120W TO 21N111W TO
13N120W TO 08N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED
NE AND NW SWELL.

.WITHIN 30 NM OF LINE FROM 11N86W TO 10N89W...INCLUDING THE GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.06 HOUR FORECAST FROM 10N TO 12N E OF 89W...INCLUDING THE GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 30 KT. SEAS TO 8 FT.
.12 HOUR FORECAST FROM 10N TO 12N E OF 90W...INCLUDING THE GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 10N TO 11.5N E OF 90...INCLUDING THE GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.30 HOUR FORECAST FROM 10N TO 12N E OF 90W...INCLUDING THE GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 09.5 TO 11.5N BETWEEN 86W AND 88W NE TO E
WINDS 20 TO 25 KT. SEAS TO 8 FT.

.N OF 06N BETWEEN 79W AND 81W...INCLUDING THE W GULF OF
PANAMA...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST N OF 05N BETWEEN 79.5W AND 81W...INCLUDING THE
W GULF OF PANAMA...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST N OF 06N BETWEEN 79W AND 81W...INCLUDING THE W
GULF OF PANAMA...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0300 UTC TUE FEB 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS SW FROM 07N78W TO 05N90W TO 03N103W.
THE ITCZ CONTINUES FROM 03N103W TO 03N115W TO 08N124W TO
08N140W. SCATTERED MODERATE CONVECTION IS FROM 07N TO 10N
BETWEEN 135W AND 140W.
.

$$
.FORECASTER FORMOSA. NATIONAL HURRICANE CENTER.



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