High Seas Forecast
Issued by NWS

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000
FZPN03 KNHC 202147
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON NOV 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON NOV 20.
24 HOUR FORECAST VALID 1800 UTC TUE NOV 21.
48 HOUR FORECAST VALID 1800 UTC WED NOV 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W TO 15N95W TO
12N97W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 25 TO 30
KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 10N TO 13N BETWEEN 93W AND
101W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT.
.24 HOUR FORECAST FROM 09N TO 11N BETWEEN 103W AND 106W WINDS 20
KT OR LESS. SEAS 8 FT IN MIXED SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.STATIONARY FRONT FROM 30N139W TO 26N140W. W OF FRONT S WINDS 20
TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 30N135W TO
24N140W. FROM 25N TO 30N BETWEEN 130W AND 140W SW WINDS 20 TO 25
KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST NEW COLD FRONT FROM 30N136W TO 21N140W. WITHIN
AREA BOUNDED BY 30N140W TO 30N120W TO 19N140W TO 30N140W WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.

.48 HOUR FORECAST WITHIN AREA BOUNDED BY 07N106W TO 07N113W TO
03N113W TO 04N107W TO 07N106W WINDS 20 KT OR LESS. SEAS 8 FT.

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

CONVECTION VALID AT 2100 UTC MON NOV 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 08N78W TO 06N105W. ITCZ AXIS
EXTENDS FROM 06N105W TO 12N140W. SCATTERED MODERATE WITHIN 60 NM
OF INTERTROPICAL CONVERGENCE ZONE BETWEEN 125W AND 140W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.



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