High Seas Forecast
Issued by NWS

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000
FZPN03 KNHC 200911
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE FEB 20.
24 HOUR FORECAST VALID 0600 UTC WED FEB 21.
48 HOUR FORECAST VALID 0600 UTC THU FEB 22.

.WARNINGS.

...GALE WARNING...

.GULF OF CALIFORNIA COLD FRONT FROM 31N111W TO 26N113W TO
22N123W. GULF OF CALIFORNIA N OF 30N NW TO N WINDS 20 TO 35 KT.
SEAS TO 8 FT.
.GULF OF CALIFORNIA 06 HOUR FORECAST WEAKENING COLD FRONT FROM
31N111W TO 25N112W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 31N111W TO 26N113W TO 22N123W. N OF 29N BETWEEN
116W AND 127W NW TO N WINDS 20 TO 25 KT. SEAS 10 TO 13 FT. N OF
13N W OF 127W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT.
ELSEWHERE W OF A LINE FROM 28N115W TO 22N127W TO 13N127W TO
09N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 31N111W TO 25N112W.
FROM 13N TO 25N W OF 125W...AND FROM 15N TO 20N BETWEEN 120W AND
125W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE W OF
A LINE FROM 28N115W TO 24N114W TO 13N120W TO 08N140W WINDS 20 KT
OR LESS. SEAS 8 TO 11 FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. N OF 12N TO A LINE FROM
20N125W TO 27N140W...AND FROM 12N TO 20N BETWEEN 120W AND 125W
NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 12 FT IN MIXED NE AND NW
SWELL. ELSEWHERE W OF LINE FROM 30N140W TO 27N120W TO 20N110W TO
12N120W TO 08N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED
NE AND NW SWELL.

.FROM 10N TO 12N E OF 89W...INCLUDING THE GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 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 12N E OF 90W...INCLUDING THE GULF
OF PAPAGAYO...NE TO E WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 10 TO 12N BETWEEN 86W AND 90W 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 WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 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.
.36 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 0900 UTC TUE FEB 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS SW FROM 05N77W TO 07N89W TO 03N101W.
THE ITCZ CONTINUES FROM 03N101W TO 03N115W TO 07N125W TO
08N140W. SCATTERED MODERATE CONVECTION IS FROM 06N TO 09N
BETWEEN 127W AND 140W.

$$
.FORECASTER FORMOSA. NATIONAL HURRICANE CENTER.



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