High Seas Forecast
Issued by NWS

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000
FZPN03 KNHC 220902
HSFEP2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...GALE WARNING...
.18 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W TO
95.5W N WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.
.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14N BETWEEN 94W TO
95.5W N WINDS 20 TO 30 KT. SEAS 9 FT.
.27 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W
TO 14.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
30 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE
OF A LINE FROM 16N95W TO 13.5N95.5W N TO NE WINDS 20 TO 30 KT.
SEAS 8 TO 10 FT.
.48 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W
TO 13.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
30 TO 40 KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN 60 NM EITHER
SIDE OF LINE FROM 16N95W TO 12N96W N TO NE WINDS 20 TO 30 KT.
SEAS 8 TO 11 FT. REMAINDER OF AREA WITHIN 90 NM EITHER SIDE OF
LINE 16N95W TO 13N95.5W TO 10.5N97W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED NE AND S SWELL.

.SYNOPSIS AND FORECAST.

.N OF 22N BETWEEN 115W AND 125W WINDS 20 KT OR LESS. SEAS 12 TO
15 FT IN NW SWELL. ELSEWHERE WITHIN AREA BOUNDED BY 30N116W TO
20N109W TO 07N128W TO 07N140W TO 30N140W TO 30N116W WINDS 20 KT
OR LESS. SEAS 8 TO 11 FT IN NW SWELL. S OF 02S W OF 117W WINDS
20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL.
.24 HOUR FORECAST W OF LINE FROM 30N117W TO 18N107W TO 07N107W
TO 00N121W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST W OF LINE FROM 30N117W TO 06N140W WINDS 20 KT
OR LESS. SEAS 8 TO 11 FT IN NW SWELL. WITHIN AREA BOUNDED BY
15N131W TO 18N112W TO 04N99W TO 01N117W TO 10N132W TO 15N131W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT PRIMARILY IN NW SWELL.

.GULF OF CALIFORNIA N OF 30N NW TO N WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA N OF 25.5N W OF 110W NW TO N
WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.
.48 HOUR FORECAST GULF OF CALIFORNIA N OF 30N NW 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 SUN OCT 22...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 10N92W TO 09N99W TO 10N110W TO
09N120W. ITCZ FROM 09N120W TO 08.5N140W. SCATTERED MODERATE
ISOLATED STRONG WITHIN 30 NM OF THE MONSOON TROUGH BETWEEN 97W
AND 99W. SCATTERED MODERATE WITHIN 90 NM OF THE ITCZ W OF 133W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.



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