056
FZPN03 KNHC 182017
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU DEC 18 2025
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU DEC 18.
24 HOUR FORECAST VALID 1800 UTC FRI DEC 19.
48 HOUR FORECAST VALID 1800 UTC SAT DEC 20.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 30N117W TO 30N123W TO 28N123W TO 27N122W TO 28N118W TO
28N117W TO 30N117W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N97W TO 14N97W TO
13N96W TO 13N95W TO 15N94W...INCLUDING THE GULF OF
TEHUANTEPEC... NE WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WITHIN 12N87W TO 12N89W TO 10N90W TO 08N89W TO
08N86W TO 09N86W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO...
NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 2000 UTC THU DEC 18...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH..
THE MONSOON TROUGH EXTENDS FROM THE COAST OF COSTA RICA FROM
NEAR 09N83W TO 09N110W. THE ITCZ CONTINUES FROM 09N110W TO
BEYOND 07N140W. SCATTERED MODERATE CONVECTION IS NOTED FROM
06N-15N EAST OF 100W.
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.
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