618
FZPN03 KNHC 111549
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI SEP 11.
24 HOUR FORECAST VALID 1200 UTC SAT SEP 12.
48 HOUR FORECAST VALID 1200 UTC SUN SEP 13.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM NORBERT NEAR 16.6N 124.7W 996 MB AT 1500 UTC SEP 11
MOVING W OR 275 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65
KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE QUADRANT...40 NM SE
QUADRANT...30 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR
GREATER WITHIN 150 NM NE QUADRANT...30 NM SE QUADRANT...90 NM SW
QUADRANT...AND 120 NM NW QUADRANT WITH SEAS TO 6.0 M. ELSEWHERE FROM
15N TO 20N BETWEEN 120W AND 126W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0
M. REMAINDER OF THE AREA FROM 14N TO 21N BETWEEN 129W AND 127W WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE NORBERT NEAR 17.0N 128.4W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN
90 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW QUADRANT...AND 60
NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM NE QUADRANT...30
NM SE QUADRANT...90 NM SW QUADRANT...AND 120 NM NW QUADRANT WITH
SEAS TO 7.0 M. ELSEWHERE FROM 16N TO 20.5N BETWEEN 125W AND 131W
WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF THE AREA FROM 12N
TO 22N BETWEEN 124W AND 132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE NORBERT NEAR 18.0N 132.3W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN
40 NM S SEMICIRCLE...90 NM NE QUADRANT AND 60 NM NW QUADRANT. SEAS 4
M OR GREATER WITHIN 150 NM NE QUADRANT...45 NM SE QUADRANT...90 NM
SW QUADRANT...AND 120 NM NW QUADRANT WITH SEAS TO 8.0 M. ELSEWHERE
FROM 17 TO 23N BETWEEN 128W AND 134W WINDS 20 TO 33 KT. SEAS 3.0 TO
4.0 M. REMAINDER OF THE AREA FROM 15N TO 23N BETWEEN 128W AND 136W
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.

.N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.FROM 10N TO 11N E OF 89W...INCLUDING THE GULF OF PAPAGAYO...NE TO
E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.S OF 00N BETWEEN 95W AND 100W...AND S OF 01N BETWEEN 100W AND 120W
WINDS 20 KT OR LESS. SEAS 2.5 M PRIMARILY IN SW SWELL.
.24 HOUR FORECAST S OF 00S BETWEEN 116W AND 120W WINDS 20 KT OR
LESS. SEAS 2.5 M PRIMARILY IN SW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.12 HOUR FORECAST FROM 14N TO 17N BETWEEN 109W AND 113W E TO SE
WINDS 20 TO 25 KT. SEAS TO 2.5 M
.24 HOUR FORECAST FROM 15N TO 17N BETWEEN 111W AND 113W E TO SE
WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW PRESSURE NEAR 15N114W 1007 MB. WITHIN 120 NM
OF CENTER EXCEPT SW QUADRANT WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

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

CONVECTION VALID AT 1500 UTC FRI SEP 11...

.TROPICAL STORM NORBERT...NUMEROUS MODERATE TO STRONG CONVECTION IS
OBSERVED FROM 16N TO 20N BETWEEN 123W AND 126W. SIMILAR CONVECTIVE
ACTIVITY IS FROM 11N TO 14N BETWEEN 119W AND 121W. SCATTERED
MODERATE TO ISOLATED STRONG ELSEWHERE FROM 16N TO 20N BETWEEN 121W
AND 123W.

.TROPICAL WAVE ALONG 112W...SCATTERED MODERATE TO ISOLATED
CONVECTION IS PRESENT FROM 10N TO 17N BETWEEN 100W AND 115W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE MONSOON TROUGH EXTENDS FROM 09N83W TO 09N95W TO 11N111W, THEN
CONTINUES SW OF NORBERT FROM 11N126W TO 12N140W. IN ADDITION TO THE
CONVECTION ASSOCIATED WITH T.S. NORBERT AND THE TROPICAL WAVE...
SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS FOUND FROM 02N
TO 08.5N E OF 80W TO THE COAST OF COLOMBIA...AND FROM 00N TO 11N W
OF 128W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.