High Seas Forecast
Issued by NWS

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000
FZPN03 KNHC 221541
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI SEP 22.
24 HOUR FORECAST VALID 1200 UTC SAT SEP 23.
48 HOUR FORECAST VALID 1200 UTC SUN SEP 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 17N104W 1007 MB. WITHIN 120 NM SE QUADRANT SW
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
18N105W 1006 MB. WITHIN 90 NM S SEMICIRCLE WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
18.5N105.5W 1005 MB. WITHIN 90 NM S SEMICIRCLE WINDS 20 TO 25
KT. SEAS TO 8 FT.

.FROM 10N TO 13N BETWEEN 109W AND 122W SW TO W WINDS 20 TO 25
KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 09N TO 13N BETWEEN 100W AND 122W SW WINDS
20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST FROM 09N TO 14N BETWEEN 98W AND 114W SW TO W
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

.N OF 29N BETWEEN 118W AND 122W WINDS 20 KT OR LESS. SEAS 8 FT
IN NW 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 1500 UTC FRI SEP 22...

INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 08N78W TO 16N100W TO LOW PRES NEAR 17N104W
1007 MB TO 12N120W TO 10N140W. SCATTERED MODERATE TO STRONG
WITHIN 60 NM OF LINE FROM 08N89W TO 13N95W. SCATTERED MODERATE
ISOLATED STRONG WITHIN 75 NM S OF TROUGH E OF 83W. SCATTERED
MODERATE WITHIN 90 NM S OF TROUGH BETWEEN 112W AND 133W.

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.



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