881 
FZPN03 KNHC 102144
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC FRI AUG 10 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI AUG 10.
24 HOUR FORECAST VALID 1800 UTC SAT AUG 11.
48 HOUR FORECAST VALID 1800 UTC SUN AUG 12.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM KRISTY NEAR 19.6N 129.9W 991 MB AT 2100 UTC AUG 
10 MOVING N OR 360 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 60 KT 
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE 
QUADRANT...80 NM SE QUADRANT...30 NM SW QUADRANT...AND 50 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM W SEMICIRCLE...90 
NM NE QUADRANT AND 120 NM SE QUADRANT WITH SEAS TO 24 FT.
ELSEWHERE WITHIN 120 NM NW AND 180 NM SE SEMICIRCLES OF CENTER 
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 14N 
TO 24N BETWEEN 124W AND 134W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM KRISTY NEAR 21.2N 130.3W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM E SEMICIRCLE...0 NM SW QUADRANT AND 50 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N AND 60 NM S 
SEMICIRCLES OF CENTER WITH SEAS TO 20 FT. ELSEWHERE WITHIN 150 
NM N AND 120 NM S SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 
9 TO 13 FT. REMAINDER OF AREA FROM 16N TO 30N BETWEEN 125W AND 
140W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW KRISTY NEAR 22.0N 
131.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT NEAR CENTER 
WITH SEAS TO 13 FT. ELSEWHERE WITHIN 120 NM N AND 60 NM 
SEMICIRCLES OF LOW CENTER WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
REMAINDER OF AREA FROM 18N TO 30N BETWEEN 127W AND A LINE FROM 
30N130W TO 19N135W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED 
SWELL.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW KRISTY NEAR 22.8N 
133.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST EXTRATROPICAL LOW KRISTY NEAR 22.8N 133.6W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST EXTRATROPICAL LOW KRISTY NEAR 22.8N 133.6W.
MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

...GALE WARNING...
.LOW PRES...POST-TROPICAL CYCLONE JOHN...NEAR 27N121W 1004 MB 
MOVING NW AT 9 KT. WITHIN 90 NM NE SEMICIRCLE WINDS 25 TO 35 KT. 
SEAS 12 TO 16 FT. ELSEWHERE WITHIN 180 NM NE AND 120 NM SW 
SEMICIRCLES OF LOW CENTER WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. 
REMAINDER OF AREA FROM 22N TO 30N BETWEEN 117W AND 124W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.06 HOUR FORECAST LOW PRES...POST-TROPICAL REMNANT LOW JOHN... 
NEAR 28N123W 1005 MB. WITHIN 120 NM NE SEMICIRCLE WINDS 25 TO 30 
KT. SEAS 10 TO 13 FT. ELSEWHERE WITHIN 180 NM NE AND 120 NM SW 
SEMICIRCLES OF LOW CENTER WINDS 20 TO 25 KT. SEAS 9 TO 12 FT. 
REMAINDER OF AREA FROM 23N TO 30N BETWEEN 118W AND 125W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST LOW PRES...POST-TROPICAL REMNANT LOW JOHN NEAR 
28N124.5W 1007 MB. WITHIN 60 NM N SEMICIRCLE OF LOW CENTER WINDS 
20 TO 25 KT. SEAS 9 TO 10 FT. WITHIN 60 NM S SEMICIRCLE OF 
CENTER WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.30 HOUR FORECAST LOW PRES NEAR 28.5N125W 1009 MB. WITHIN 90 N 
SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST DISSIPATING LOW PRES NEAR 29N127W 1012 MB. 
WITHIN 60 NM E SEMICIRCLE OF LOW CENTER WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED SWELL.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

.SYNOPSIS AND FORECAST. 

.12 HOUR FORECAST FROM 10N TO 12N E OF 91W...INCLUDING GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 11N86W 
TO 11N88.5W...INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST S OF 04N W OF 135W AND S OF 02S BETWEEN 108W 
AND 120W WINDS 20 KT OR LESS. SEAS 8 T0 9 FT IN SW SWELL.
.12 HOUR FORECAST S OF 05S W OF 113W AND S OF 02N BETWEEN
101W AND 113W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.18 HOUR FORECAST S OF 05N W OF 110W WINDS 20 KT OR LESS. SEAS 8 
FT IN SW SWELL. 
.24 HOUR FORECAST S OF 07N BETWEEN 95W AND 117W AND S OF 04N W 
OF 117W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST S OF 10N BETWEEN 91W AND 114W AND S OF 05N 
BETWEEN 114W AND 120W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.

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

CONVECTION VALID AT 2115 UTC FRI AUG 10...

.TROPICAL STORM KRISTY...SCATTERED STRONG WITHIN 60 NM SE AND 
45 NM NW QUADRANTS. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE 
WITHIN 120 NM SW AND 30 NM NE SEMICIRCLES. 

.TROPICAL WAVE AXIS ALONG 97W/98W FROM 04N TO 17N...SCATTERED 
STRONG WITHIN 180 NM E AND 120 NM W OF WAVE FROM 11N TO 13N.

.TROPICAL WAVE AXIS ALONG 113W FROM 04N TO 17N WITH LOW PRES 
NEAR 11.5N113W 1011 MB. SCATTERED MODERATE ISOLATED STRONG FROM 
12N TO 15N BETWEEN 111W AND 116W. SCATTERED MODERATE WITHIN 270 
NM W OF WAVE AXIS FROM 07N TO 10N.

.SCATTERED MODERATE TO STRONG FROM 21N TO 25N BETWEEN 107W AND 
109W.

.SCATTERED MODERATE WITHIN 60 NM OF 13N122W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N79W TO 10N100W TO 11N113W 
WHERE IT ENDS. ITCZ EXTENDS FROM 11N139W TO BEYOND THE AREA AT 
09N140W. SCATTERED STRONG WITHIN 120 TO 180 NM N OF AXIS BETWEEN 
93W AMD 95W AND WITHIN 120 NM S OF AXIS BETWEEN 109W AND 110W.
SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM N OF AXIS 
E OF 90W.

$$

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.