High Seas Forecast
Issued by NWS

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772
FZPN03 KNHC 210901
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT JAN 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT JAN 21.
24 HOUR FORECAST VALID 0600 UTC SUN JAN 22.
48 HOUR FORECAST VALID 0600 UTC MON JAN 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N117W TO 26N122W TO 25N133W. E OF FRONT N OF
26N SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 14 FT. W OF FRONT AND E
OF LINE FROM 30N128W TO 27N121W W TO NW WINDS 20 TO 30 KT. SEAS
14 TO 22 FT IN NW SWELL. ELSEWHERE N OF LINE FROM 24N113W TO
10N128W TO 05N140W WINDS 20 KT OR LESS. SEAS 8 TO 22 FT IN NW
SWELL...HIGHEST NEAR 30N134W.
.24 HOUR FORECAST FIRST FRONT DISSIPATED OVER MEXICO. NEW COLD
FRONT FROM 30N130W TO 26N135W TO 23N140W. E OF FRONT N OF LINE
FROM 27N133W TO 30N122W SW WINDS 20 TO 30 KT. SEAS 15 TO 21 FT
IN NW SWELL. W OF FRONT NW WINDS 20 TO 30 KT. SEAS 12 TO 21 FT
IN NW SWELL...HIGHEST NW PART. ELSEWHERE OUTSIDE OF GULF OF
CALIFORNIA AND N OF LINE FROM 16N107W TO 06N125W TO 05N140W
WINDS 20 KT OR LESS. SEAS 8 TO 22 FT IN NW SWELL...HIGHEST NEAR
30N120W.
.48 HOUR FORECAST COLD FRONT FROM 30N120W TO 26N123W TO 23N128W.
W OF LINE FROM 30N122W TO 27N126W W TO NW WINDS 20 TO 30 KT.
SEAS 15 TO 24 FT IN NW SWELL...HIGHEST NEAR 30N133W. W OF LINE
FROM 24N140W TO 21N133W TO 17N136W TO 14N129W TO 09N140W NE
WINDS 20 TO 25 KT. SEAS 9 TO 14 FT. E OF 107W BETWEEN 18N AND
20.5N NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. OUTSIDE GULF
OF CALIFORNIA AND N OF LINE FROM 14N102W TO 05N110W TO 00N134W
TO 00N140W WINDS 20 KT OR LESS. SEAS 8 TO 17 FT IN NW SWELL.

.GULF OF CALIFORNIA COLD FRONT ENTERING GULF. N OF 29N SW WINDS
20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST COLD FRONT DISSIPATED. WINDS 20 KT OR LESS.
SEAS LESS THAN 8 FT.
.42 HOUR FORECAST GULF OF CALIFORNIA FROM 22N TO 25N NW WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST NEW COLD FRONT APPROACHING GULF. N OF 30N SW
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0900 UTC SAT JAN 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 08N78W TO 07N79W TO 10N85W TO 08N89W. ITCZ
CONTINUES FROM 08N89W TO 06N95W TO 07N102W TO 05N113W TO 07N122W
TO 04N140W. NO SIGNIFICANT CONVECTION.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.



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