000
FZPN03 KNHC 082157
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED SEP 8 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED SEP 8.
24 HOUR FORECAST VALID 1800 UTC THU SEP  9.
48 HOUR FORECAST VALID 1800 UTC FRI SEP 10.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM OLAF NEAR 19.4N 107.7W 1002 MB AT 2100 UTC SEP
08 MOVING NW OR 325 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N
SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 0
NM OF CENTER EXCEPT 45 NM NE QUADRANT WITH SEAS TO 13 FT.
ELSEWHERE WITHIN 19N107W TO 18N107W TO 18N108W TO 20N109W TO 
20N107W TO 19N107W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 
TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 19N105W TO 
17N107W TO 17N109W TO 20N110W TO 21N107W TO 19N105W WINDS 20 KT 
TO LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM OLAF NEAR 21.2N 109.4W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NE QUADRANT...70 NM SE QUADRANT...40 NM SW QUADRANT 
...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM OF 
CENTER EXCEPT 60 NM NE QUADRANT WITH SEAS TO 22 FT. ELSEWHERE 
WITHIN 21N108W TO 20N109W TO 21N110W TO 22N110W TO 22N108W TO 
21N108W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA 
WITHIN 19N107W TO 20N112W TO 23N112W TO 24N109W TO 23N106W TO 
19N107W...INCLUDING GULF OF CALIFORNIA AND NEAR CABO CORRIENTES
...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST TROPICAL STORM OLAF NEAR 23.2N 112.5W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 40 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM OF CENTER EXCEPT 45 
NM NE QUADRANT WITH SEAS TO 20 FT. ELSEWHERE WITHIN 23N112W TO 
23N113W TO 24N113W TO 24N111W TO 23N112W WINDS 20 TO 33 KT. SEAS 
8 TO 12 FT. REMAINDER OF AREA WITHIN 20N111W TO 21N115W TO 
24N116W TO 26N113W TO 24N110W TO 20N111W...INCLUDING GULF OF 
CALIFORNIA...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM OLAF NEAR 23.5N 115.5W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW OLAF NEAR 23.1N 
118.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. 
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW OLAF NEAR 22.4N 
120.9W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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.

.24 HOUR FORECAST WITHIN 03.4S89W TO 03.4S120W TO 01N124W TO
03N113W TO 01N101W TO 03.4S89W WINDS 20 KT OR LESS. SEAS 8 TO
9 FT IN S TO SW SWELL. 
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 1800 UTC WED SEP 8...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N85W TO 09N100W. IT RESUMES 12N113W TO 
12N130W TO 15N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 
94W AND 99W AND FROM 05N TO 13N BETWEEN 09W AND 116W.

$$
.FORECASTER TORRES. NATIONAL HURRICANE CENTER.