High Seas Forecast
Issued by NWS

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000
FZPN03 KNHC 190939
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU JAN 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU JAN 19.
24 HOUR FORECAST VALID 0600 UTC FRI JAN 20.
48 HOUR FORECAST VALID 0600 UTC SAT JAN 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N129W TO 28N132W TO 28N140W. NW OF A LINE
FROM 30N128W TO 26N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN
NW SWELL.
.18 HOUR FORECAST COLD FRONT FROM 30N118W AND WEAKENING TO
25N131W TO 25N140W. SECOND COLD FRONT APPROACHING FAR NW CORNER
OF AREA.  NW OF A LINE FROM 30N118W TO 24N130W TO 19N140W WINDS
20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL...EXCEPT 12 TO 16 FT
N OF 27N W OF 125W.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 30N115W TO 27N118W
AND DISSIPATING FRONT TO 25N126W. SECOND COLD FRONT JUST NW OF
AREA. NW OF A LINE FROM 30N118W TO 24N131W TO 22N140W WINDS 20
KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL...EXCEPT 12 TO 16 FT N
OF 125W.
.36 HOUR FORECAST SECOND COLD FRONT FROM 30N128W TO 28N140W. N
OF 29N WITHIN 300 NM W OF FRONT W TO NW WINDS 20 TO 25 KT. SEAS
13 TO 16 FT IN NW SWELL. ELSEWHERE NW OF A LINE FROM 30N116W TO
21N127W TO 19N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW
SWELL...EXCEPT 10 TO 14 FT N OF 26N.
.48 HOUR FORECAST SECOND COLD FRONT FROM 30N114W TO 26N127W AND
DISSIPATING FRONT TO 26N140W. THIRD COLD FRONT APPROACHING FAR
NW CORNER OF AREA. N OF 27N BETWEEN 116W AND A LINE FROM 30N126W
TO 27N119W W TO NW WINDS 20 TO 30 KT. SEAS 12 TO 19 FT IN NW
SWELL. ELSEWHERE NW OF A LINE FROM FROM 25N113W TO 13N125W TO
06N140W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN NW SWELL EXCEPT
14 TO 20 FT N OF 27N...HIGHEST 29N.

.FROM 08N TO 11N W OF 137W NE WINDS 20 TO 25 KT. SEAS 9 TO 10
FT. ELSEWHERE FROM 06N TO 19N W OF 137W AND FROM 10N TO 14N
BETWEEN 122W AND 137W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
MIXED NE AND NW SWELL.
.24 HOUR FORECAST FROM 08N TO 11N W OF 138W NE WINDS 20 TO 25
KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 07N TO 22N W OF 132W WINDS
20 KT OR LESS. SEAS 8 TO 9 FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST CONDITIONS MERGED AS DESCRIBED IN PARAGRAPH
ABOVE.

.12 HOUR FORECAST GULF OF CALIFORNIA FROM 29.5N TO 30N W OF 114W
SW TO W WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA FROM 30N TO 30.5N BETWEEN
113.5W AND 115W W TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.39 HOUR FORECAST GULF OF CALIFORNIA FROM 30N TO 31N BETWEEN
113W AND 115W SW WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0915 UTC THU JAN 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ AXIS EXTENDS FROM 04N85W TO WEAK LOW PRES NEAR 04N97W 1012
MB TO 03N104W TO 05N112W TO 08N120W. IT RESUMES AT 08N127W TO
06N136W TO BEYOND 06N140W. SCATTERED MODERATE ISOLATED STRONG
WITHIN 60 NM S OF AXIS BETWEEN 125W AND 128W. SCATTERED MODERATE
WITHIN 60 NM OF AXIS BETWEEN 129W AND 133W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.



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