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High Seas Forecast (Tropical Northeast Pacific)


000
FZPN03 KNHC 080927
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU OCT 8 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU OCT 8.
24 HOUR FORECAST VALID 0600 UTC FRI OCT  9.
48 HOUR FORECAST VALID 0600 UTC SAT OCT 10.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM SIMON NEAR 15.4N 103.1W 1000 MB AT 0900 UTC OCT
08 MOVING W OR 270 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S
SEMICIRCLE...40 NM NE QUADRANT AND 30 NM NW QUADRANT. SEAS 4 M 
OR GREATER WITHIN 0 NM OF CENTER EXCEPT 60 NM NE QUADRANT WITH 
SEAS TO 5.0 M. ELSEWHERE WITHIN 17N100W TO 18N103W TO 17N104W TO
16N104W TO 14N103W TO 16N99W TO 17N100W WINDS 20 TO 33 KT. SEAS 
2.5 TO 4.0 M.
.24 HOUR FORECAST HURRICANE SIMON NEAR 15.9N 105.1W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM NW AND SE QUADRANTS...70 NM NE QUADRANT AND 40 NM SW
QUADRANT. SEAS 4 M OR GREATER 90 NM N SEMICIRCLE...60 NM SE 
QUADRANT AND 30 NM SW QUADRANT. WITH SEAS TO 8.0 M. ELSEWHERE 
WITHIN 18N102W TO 19N105W TO 15N107W TO 14N105W TO 14N103W TO 
14N102W TO 18N102W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. 
REMAINDER OF AREA WITHIN 17N101W TO 19N105W TO 17N108W TO 15N108W
TO 12N104W TO 12N101W TO 17N101W WINDS 20 KT OR LESS. SEAS 2.5 
TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE SIMON NEAR 17.4N 105.6W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NE QUADRANT...90 NM SE QUADRANT...70 NM SW 
QUADRANT...AND 80 NM NW QUADRANT. SEAS 4 M OR GREATER 120 NM N 
SEMICIRCLE AND SE QUADRANT...90 NM SW QUADRANT WITH SEAS TO 11.0 
M. ELSEWHERE WITHIN 18N102W TO 20N106W TO 17N109W TO 14N106W TO 
15N103W TO 18N102W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER
OF AREA WITHIN 17N99W TO 21N107W TO 21N112W TO 14N112W TO 10N106W
TO 11N100W TO 17N99W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN 
MIXED SWELL.

...TROPICAL STORM WARNING...
.TROPICAL STORM RACHEL NEAR 21.8N 123.9W 985 MB AT 0900 UTC OCT
08 MOVING WNW OR 290 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM OF CENTER
EXCEPT 100 NM NE QUADRANT.  SEAS 4 M OR GREATER WITHIN 210 NM N
SEMICIRCLE AND 180 NM S SEMICIRCLE WITH SEAS TO 8.5 M. ELSEWHERE
WITHIN 25N121W TO 25N125W TO 24N126W TO 20N125W TO 20N122W TO 22N120W
TO 25N121W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF 
AREA WITHIN 26N119W TO 28N123W TO 26N131W TO 20N133W TO 15N122W 
TO 17N118W TO 26N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN 
MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM RACHEL NEAR 22.5N 125.0W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 70 NM N SEMICIRCLE...40 NM SE QUADRANT AND 60 NM SW 
QUADRANT. SEAS 4 M OR GREATER 180 NM N SEMICIRCLE...120 NM SE 
QUADRANT AND 150 NM SW QUADRANT WITH SEAS TO 6.5 M. ELSEWHERE 
WITHIN 24N120W TO 30N122W TO 30N140W TO 19N140W TO 17N125W TO 
24N120W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA 
WITHIN 24N123W TO 26N125W TO 25N129W TO 23N129W TO 21N126W TO 
21N124W TO 24N123W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN 
MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM RACHEL NEAR 24.0N 122.8W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 50 NM OF CENTER EXCEPT 40 NM SE QUADRANT. SEAS 4 M 
OR GREATER 180 NM W SEMICIRCLE...90 NM IN NE QUADRANT AND 60 NM 
IN SE QUADRANT WITH SEAS TO 5.0 M. ELSEWHERE WITHIN 25N121W TO 
27N123W TO 26N127W TO 24N128W TO 21N126W TO 22N120W TO 25N121W 
WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN 
30N126W TO 30N138W TO 24N140W TO 18N131W TO 17N124W TO 22N120W TO
30N126W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.

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 05N96W TO 05N118W TO 00N122W TO 03.4S120W TO 03S95W TO
05N96W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 01N85W TO 01S87W TO 03.4S88W TO 03.4S80W TO 03S80W TO
01N85W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 0900 UTC THU OCT 8...

.TROPICAL STORM RACHEL...SCATTERED MODERATE FROM 20N TO 24N 
BETWEEN 121W AND 126W.

.TROPICAL STORM SIMON...NUMEROUS MODERATE SCATTERED STRONG FROM 
13N TO 18N BETWEEN 100W AND 107W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N83W TO 12N98W...FROM 11N115W TO BEYOND 12N140W.
SCATTERED MODERATE ISOLATED STRONG FROM 06N TO 13N BETWEEN 115W 
AND 127W.

$$
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.