High Seas Forecast
Issued by NWS

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000
FZPN03 KNHC 170846
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU AUG 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 17.
24 HOUR FORECAST VALID 0600 UTC FRI AUG 18.
48 HOUR FORECAST VALID 0600 UTC SAT AUG 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 12N111W 1009 MB. WITHIN 120 NM NE SEMICIRCLE OF
LOW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES NEAR 15N115W 1009 MB. WITHIN 150 NM
NE SEMICIRCLE OF LOW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
ELSEWHERE FROM 12N TO 15N BETWEEN 112W AND 115W WINDS 20 KT OR
LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 14N118W 1008 MB. WITHIN 180 NM
NE SEMICIRCLE OF LOW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.LOW PRES NEAR 17N121W 1009 MB. WITHIN 120 NM NE QUADRANT OF LOW
WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 16N125W 1010 MB. WITHIN 120 NM
NE QUADRANT OF LOW WINDS 20 KT OR LESS. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 16N129W 1010 MB. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.

.S OF 02S BETWEEN 107W AND 114W WINDS 20 KT OR LESS. SEAS TO 8
FT PRIMARILY IN SW SWELL.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING
THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING
THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST FROM 10.5N TO 12N E OF 88W...INCLUDING THE
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0830 UTC THU AUG 17...

.TROPICAL WAVE FROM 11N105W TO 18N105W...SCATTERED MODERATE
ISOLATED STRONG FROM 07N TO 10N BETWEEN 100W AND 105W AND FROM
16N TO 19N BETWEEN 105W TO 108W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N74W TO 08N81W TO LOW PRES 1008 MB NEAR
09N86W TO 12N104W TO LOW PRES 1009 MB NEAR 12N111W TO 14N125W TO
12N135W TO 14N140W. SCATTERED MODERATE ISOLATED STRONG FROM 09N
TO 15N BETWEEN 109W AND 119W AND FROM 09N TO 14N BETWEEN 130W
AND 138W.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.



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