233 
FZPN03 KNHC 150322
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT JUL 15 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT JUL 15.
24 HOUR FORECAST VALID 0000 UTC SUN JUL 16.
48 HOUR FORECAST VALID 0000 UTC MON JUL 17.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE CALVIN NEAR 14.2N 126.0W 958 MB AT 0300 UTC JUL 15
MOVING WNW OR 285 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 105 KT
GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N
SEMICIRCLE AND 90 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN
120 NM S SEMICIRCLE...180 NM NE QUADRANT AND 150 NM NW QUADRANT
WITH SEAS TO 38 FT. ELSEWHERE WITHIN 16N122W TO 17N123W TO 
17N126W TO 15N127W TO 12N125W TO 13N123W TO 16N122W WINDS 20 
TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 18N121W TO 
19N125W TO 15N128W TO 09N127W TO 08N125W TO 11N121W TO 18N121W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE CALVIN NEAR 15.3N 131.1W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM N SEMICIRCLE AND 70 NM S SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 150 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WITH 
SEAS TO 31 FT. ELSEWHERE WITHIN 19N130W TO 18N133W TO 16N133W TO 
14N132W TO 14N129W TO 16N128W TO 19N130W WINDS 20 TO 33 KT. SEAS 
10 TO 12 FT. REMAINDER OF AREA WITHIN 21N128W TO 22N131W TO 
13N136W TO 11N133W TO 12N128W TO 15N126W TO 21N128W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE CALVIN NEAR 16.6N 137.0W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM S SEMICIRCLE...90 NM NE QUADRANT AND 80 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N SEMICIRCLE...AND 
90 NM S SEMICIRCLE WITH SEAS TO 24 FT. ELSEWHERE WITHIN 18N135W 
TO 19N137W TO 18N139W TO 16N139W TO 15N137W TO 16N136W TO 18N135W
WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 
18N132W TO 21N134W TO 20N140W TO 14N140W TO 12N139W TO 14N134W TO
18N132W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.60 HOUR FORECAST TROPICAL STORM CALVIN NEAR 17.1N 140.1W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.72 HOUR FORECAST TROPICAL STORM CALVIN NEAR 17.5N 143.7W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM CALVIN NEAR 18.5N 150.5W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW CALVIN NEAR 19.5N
157.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 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.

.WITHIN 11N86W TO 12N87W TO 12N88W TO 11N88W TO 10N88W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. 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 0230 UTC SAT JUL 15...

.HURCN CALVIN...NUMEROUS MODERATE TO STRONG FROM 06N TO 18N 
BETWEEN 120W AND 129W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N86W TO 07N114W. ITCZ FROM 07N114W TO 
11N119W...THEN RESUMES AT 10N132W TO 09N140W. SCATTERED MODERATE 
FROM 08N TO 12N BETWEEN 90W AND 120W...AND FROM 07N TO 10N AND W
OF 131W.

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.