000
FZPN03 KNHC 110240
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT SEP 11 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 11.
24 HOUR FORECAST VALID 0000 UTC SUN SEP 12.
48 HOUR FORECAST VALID 0000 UTC MON SEP 13.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROPICAL DEPRESSION OLAF NEAR 24.7N 113.3W 1003 MB AT 0300 UTC
SEP 11 MOVING W OR 270 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT.  SEAS 12 FT OR GREATER WITHIN 30 NM OF CENTER
WITH SEAS TO 12 FT. ELSEWHERE WITHIN 24N112W TO 24N114W TO 
25N114W TO 26N113W TO 25N112W TO 24N112W SE TO S WINDS 20 TO 30 
KT. SEAS 8 TO 12 FT.
.12 HOUR FORECAST POST-TROPICAL REMNANT LOW OLAF NEAR 24.7N 
114.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW OLAF NEAR 24.4N 
115.3W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN 24N114W
TO 23N115W TO 24N116W TO 25N115W TO 24N114W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW OLAF NEAR 22.7N 
117.6W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. WITHIN 24N117W
TO 23N119W TO 24N121W TO 26N121W TO 26N119W TO 24N117W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW OLAF NEAR 21.0N 
120.1W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW OLAF NEAR 20.6N 
121.3W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST...DISSIPATED.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.WITHIN 03.4S93W TO 03.4S120W TO 00N132W TO 07N127W TO 12N92W TO
03.4S93W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW SWELL. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
13.5N95.5W 1010 MB. WITHIN 15N95.5W TO 14.5N96W TO 14.5N96.5W 
TO 15.5N96W TO 16N95.5W TO 15N95.5W WINDS 20 TO 25 KT. SEAS 8 
FT. ELSEWHERE WITHIN 03.4S87W TO 03.4S120W TO 06N129W TO 12N116W
TO 16N94W TO 03.4S87W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW
SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14N98W 1010 MB. WITHIN 14N97W TO 14N98W TO 16N98W TO 16N97W TO 
15N97W TO 14N97W WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE 
WITHIN 03S81W TO 03.4S120W TO 16N109W TO 16N94W TO 05N81W TO 
03S81W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN SW SWELL.

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

CONVECTION VALID AT 0240 UTC SAT SEP 11...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N86W TO 13N91W TO 10N120W TO 09N130W. 
SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 10N BETWEEN 80W 
AND 87W...AND FROM 07N TO 15N BETWEEN 87W AND 110W. SCATTERED 
MODERATE FROM 04N TO 07N BETWEEN 127W AND 132W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.