829
FZPN03 KNHC 132052
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU AUG 13 2026
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU AUG 13.
24 HOUR FORECAST VALID 1800 UTC FRI AUG 14.
48 HOUR FORECAST VALID 1800 UTC SAT AUG 15.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM HERNAN NEAR 17.3N 131.9W 1003 MB AT 2100 UTC AUG
13 MOVING S OR 180 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE
QUADRANT...20 NM SE QUADRANT...40 NM SW QUADRANT...AND 50 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM OF CENTER EXCEPT 0
NM SE QUADRANT WITH SEAS TO 4 M. ELSEWHERE WITHIN 20N131W TO
20N134W TO 19N134W TO 17N132W TO 18N132W TO 20N131W WINDS 20 TO
33 KT. SEAS 2.5 TO 4.0 M. REMAINDER AREA WITHIN 20N130W TO
22N134W TO 21N136W TO 17N135W TO 16N133W TO 20N130W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST TROPICAL DEPRESSION HERNAN NEAR 16.2N 132.4W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 18N132W TO
18N133W TO 17N134W TO 16N133W TO 17N133W TO 17N132W TO 18N132W NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 21N132W
TO 22N134W TO 21N137W TO 19N137W TO 16N133W TO 21N132W WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW HERNAN NEAR 15.4N
135.1W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 17N133W
TO 18N135W TO 17N136W TO 16N136W TO 15N135W TO 16N134W TO
17N133W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN.
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 21N138W TO 24N140W TO 11N140W TO 15N137W TO 21N138W E TO
SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST WITHIN 24N139W TO 27N140W TO 17N140W TO
19N139W TO 24N139W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 11N86W TO 12N86W TO 11N87W TO 11N88W TO 10N87W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.WITHIN 02N97W TO 08N108W TO 07N113W TO 00N131W TO 03.4S120W TO
03.4S95W TO 02N97W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.24 HOUR FORECAST WITHIN 04N96W TO 04N108W TO 00N130W TO
03.4S120W TO 03.4S88W TO 04N96W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 01S101W TO 02N114W TO 01N125W TO
00N128W TO 03.4S120W TO 03.4S98W TO 01S101W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.36 HOUR FORECAST WITHIN 15N93W TO 16N95W TO 16N96W TO 14N96W TO
14N94W TO 15N93W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N97W TO 15N96W TO
15N95W TO 15N93W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 2100 UTC THU AUG 13...
T.S. HERNAN...SCATTERED MODERATE TO STRONG CONVECTION IS NOTED
WITHIN 60 NM IN THE NE SEMICIRCLE.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 09N84W TO 07N94W TO 07N102W. ITCZ FROM
07N102W TO 10N122W. SCATTERED MODERATE ISOLATED STRONG FROM 06N
TO 11N BETWEEN 85W AND 104W...FROM 02N TO 14N BETWEEN 104W AND
120W...AND FROM 00N TO 10N BETWEEN 130W AND 135W.
.FORECASTER AL. NATIONAL HURRICANE CENTER.
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