High Seas Forecast
Issued by NWS

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000
FZPN03 KNHC 232121
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE JUL 23 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE JUL 23.
24 HOUR FORECAST VALID 1800 UTC WED JUL 24.
48 HOUR FORECAST VALID 1800 UTC THU JUL 25.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM DALILA NEAR 19.1N 118.2W 1006 MB AT 2100 UTC JUL
23 MOVING NW OR 325 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM N SEMICIRCLE
AND 80 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 90 NM E
SEMICIRCLE WITH SEAS TO 13 FT. ELSEWHERE WITHIN 120 NM E AND 90
NM W SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL DEPRESSION DALILA NEAR 20.7N 120.0W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 11 FT.
WITHIN 90 NM N SEMICIRCLE AND 90 NM SE QUADRANT WINDS 20 TO 30
KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW DALILA NEAR 21.8N
122.3W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. SEAS TO 8 FT
WITHIN 60 NM NW QUADRANT IN MIXED SWELL.
.72 HOUR FORECAST EXTRATROPICAL LOW DALILA NEAR 22.2N 123.6W.
MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.
.120 HOUR FORECAST EXTRATROPICAL LOW DALILA POST-TROP/REMNT LOW
NEAR 22.2N 123.6W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

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.

.FROM 15N TO 18N W OF 137W WINDS 20 KT OR LESS. SEAS 8 FT IN
MIXED SWELL. S OF 09N BETWEEN 128W AND 136W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 08N TO 12N W OF 134W  WINDS 20 KT OR
LESS. SEAS 8 FT IN MIXED SWELL.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 05N TO 08N BETWEEN 92W AND 98W WINDS 20 KT OR LESS. SEAS 8
TO 9 FT IN S TO SW SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.30 HOUR FORECAST S OF 03S E OF 95W WINDS 20 KT OR LESS. SEAS TO
8 FT IN MIXED SE AND SW SWELL.
.48 HOUR FORECAST S OF 01S E OF 100W WINDS 20 KT OR LESS. SEAS
TO 8 FT IN MIXED SE AND SW SWELL.

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

CONVECTION VALID AT 2100 UTC TUE JUL 23...

.TROPICAL STORM DALILA...NUMEROUS MODERATE ISOLATED STRONG
STRONG WITHIN 120 NM S SEMICIRCLE. SCATTERED MODERATE ELSEWHERE
FROM 14N TO 18N BETWEEN 116W AND 120W.

.TROPICAL WAVE ALONG 105W FROM 06N TO 17N. SCATTERED MODERATE
FROM 13N TO 17N BETWEEN 101W AND 105W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N85W TO 10N95W TO 08N105W TO
10N110W. THEN CONTINUES W OF DALILA FROM 12N124W TO A 1012 MB
LOW LOCATED NEAR 08N137W. THE ITCZ CONTINUES FROM 08N137W TO
BEYOND 06N140W. OUTSIDE OF THE CONVECTION ASSOCIATED WITH THE
TROPICAL WAVE AND T.S. DALILA, SCATTERED MODERATE TO ISOLATED
STRONG CONVECTION IS FROM 06N TO 09N BETWEEN 135W AND 139W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.


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