High Seas Forecast
Issued by NWS

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000
FZPN03 KNHC 222145
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC FRI SEP 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FRI SEP 22.
24 HOUR FORECAST VALID 1800 UTC SAT SEP 23.
48 HOUR FORECAST VALID 1800 UTC SUN SEP 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 17N104W 1007 MB. WITHIN 120 NM S SEMICIRCLE WINDS
20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL. SCATTERED SHOWERS
AND THUNDERSTORMS FROM 16.5N TO 23N BETWEEN 105W AND 107.5W.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
18.5N106W 1006 MB. WITHIN 90 NM SW SEMICIRCLE WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
19N106W 1005 MB. WITHIN 90 NM NE AND 120 NM SW SEMICIRCLES WINDS
20 TO 25 KT. SEAS TO 9 FT.

.FROM 10N TO 14N BETWEEN 98W AND 117W SW TO W WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT. ELSEWHERE WITHIN 240 NM S OF LINE FROM 15.5N97W
TO 14N110W TO 09N134W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SE
SWELL AND S WIND WAVES.
.24 HOUR FORECAST FROM 09N TO 13.5N BETWEEN 100W AND 117W SW TO
W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST FROM 09N TO 12.5N BETWEEN 102W AND 112W SW TO
W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 08N TO 13N
BETWEEN 97W AND 115W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED
SWELL.

.FROM 18N TO 23N BETWEEN 114W AND 122W WINDS 20 KT OR LESS. SEAS
TO 8 FT IN MIXED NW AND NE SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OF 29.5N BETWEEN 118W AND 122W WINDS 20 KT OR LESS. SEAS 8 FT
IN NW SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.S OF 00N BETWEEN 85W AND 110W WINDS 20 KT OR LESS. SEAS TO 8 FT
IN SE SWELL.
.24 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 2100 UTC FRI SEP 22...

INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 07N73.5W TO 09N83W TO LOW PRES NEAR 17N104W
1007 MB TO 13.5N117W TO 12.5N130W TO BEYOND 10N140W. SCATTERED
MODERATE TO STRONG FROM 05N TO 08.5N BETWEEN 77.5W AND
84W...WITHIN 90 NM N AND 240 NM S OF TROUGH BETWEEN 87W AND
100W...WITHIN 120 NM S OF TROUGH BETWEEN 105W AND 131W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.



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