257
FZPN03 KNHC 110308
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI SEP 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FRI SEP 11.
24 HOUR FORECAST VALID 0000 UTC SAT SEP 12.
48 HOUR FORECAST VALID 0000 UTC SUN SEP 13.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM NORBERT NEAR 16.4N 121.9W 1000 MB AT 0300 UTC
SEP 11 MOVING W OR 270 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 45
KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S
SEMICIRCLE...60 NM NE QUADRANT AND 40 NM NW QUADRANT.  SEAS 4 M
OR GREATER WITHIN 0 NM S SEMICIRCLE...120 NM NE QUADRANT AND 90
NM NW QUADRANT WITH SEAS TO 4.5 M. ELSEWHERE WITHIN 19N120W TO
20N122W TO 19N123W TO 17N124W TO 16N123W TO 16N119W TO 19N120W
WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN
19N117W TO 20N120W TO 19N123W TO 16N123W TO 16N121W TO 16N118W TO
19N117W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM NORBERT NEAR 16.6N 126.0W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NE QUADRANT...30 NM SE QUADRANT...20 NM SW
QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120
NM N AND 90 NM S SEMICIRCLES WITH SEAS TO 5.5 M. ELSEWHERE WITHIN
20N124W TO 20N127W TO 19N128W TO 17N128W TO 16N126W TO 18N124W
TO 20N124W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF
AREA WITHIN 21N124W TO 20N129W TO 16N129W TO 14N126W TO 18N123W
TO 21N124W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE NORBERT NEAR 17.4N 129.9W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW
QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120
NM N AND 90 NM S SEMICIRCLES WITH SEAS TO 6.0 M. ELSEWHERE WITHIN
20N127W TO 21N129W TO 21N130W TO 20N132W TO 17N130W TO 20N127W
WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN
22N128W TO 23N132W TO 20N134W TO 17N134W TO 15N131W TO 18N127W TO
22N128W 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 11N86W TO 12N87W TO 11N89W TO 10N89W TO 10N88W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 TO 30
KT. SEAS 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 15N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...NW TO N WINDS 20
TO 30 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 01S94W TO 02N101W TO 02N112W TO 00N125W TO 03.4S120W TO
03.4S94W TO 01S94W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE
SWELL.
.24 HOUR FORECAST WITHIN 00N104W TO 01N112W TO 00N120W TO
03.4S120W TO 03.4S97W TO 00N104W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN SE SWELL.
.48 HOUR FORECAST WITHIN 01S108W TO 02N116W TO 01N126W TO
00N127W TO 03.4S120W TO 03.4S93W TO 01S108W...EXCEPT LEE OF
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE
TO S SWELL.

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

CONVECTION VALID AT 0300 UTC FRI SEP 11...

.TROPICAL STORM NORBERT...NUMEROUS MODERATE TO SCATTERED STRONG
CONVECTION IS OBSERVED FROM 15N TO 20N BETWEEN 116W AND 122W.
SCATTERED MODERATE TO ISOLATED STRONG FROM 12N TO 15N BETWEEN
114W AND 119W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 13N117W...FROM 11N122W TO 11N140W.
SCATTERED MODERATE ISOLATED STRONG N OF 02N E OF 90W...S OF 15N
W OF 125W.

$$
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.