004
FZPN03 KNHC 112118
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FRI SEP 11.
24 HOUR FORECAST VALID 1800 UTC SAT SEP 12.
48 HOUR FORECAST VALID 1800 UTC SUN SEP 13.
.WARNINGS.
..HURRICANE WARNING
.TROPICAL STORM NORBERT NEAR 16.8N 125.7W 996 MB AT 2100 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...60 NM SE QUADRANT...90 NM SW
QUADRANT...AND 120 NM NW QUADRANT WITH SEAS TO 6.0 M. ELSEWHERE FROM
15N TO 20N BETWEEN 121W AND 128W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0
M. REMAINDER OF THE AREA FROM 13N TO 21N BETWEEN 121W AND 128W WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE NORBERT NEAR 17.3N 129.1W. 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...60
NM SE QUADRANT...90 NM SW QUADRANT...AND 120 NM NW QUADRANT WITH
SEAS TO 7.0 M. ELSEWHERE FROM 16N TO 21N 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 125W AND 133W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SWELL.
.48 HOUR FORECAST HURRICANE NORBERT NEAR 18.1N 132.9W. 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...60 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 135W WINDS 20 TO 33 KT. SEAS 3.0 TO
4.0 M. REMAINDER OF THE AREA FROM 15N TO 24N 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.
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 WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.06 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 LOW PRES...PSBL TRPCL CYCLONE
NEAR 15N114.5W
1008 MB. WITHIN 90 NM E SEMICIRCLE OF LOW CENTER WINDS 20 TO 25 KT.
SEAS TO 2.5 M.
48 HOUR FORECAST LOW PRES...PSBL TRPCL CYCLONE
NEAR 16N116W 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 2100 UTC FRI SEP 11...
TROPICAL STORM NORBERT
NUMEROUS MODERATE TO STRONG CONVECTION IS
OBSERVED FROM 16N TO 19N BETWEEN 123W AND 127W.
LOW PRES(EP97) NEAR 13N113W
SCATTERED MODERATE TO ISOLATED
STRONG CONVECTION IS PRESENT FROM 11N TO 16N BETWEEN 107W AND 115W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 08N100W TO 11N110W...THEN
CONTINUES SW OF NORBERT FROM 11N126W TO 12N140W. IN ADDITION TO THE
CONVECTION ASSOCIATED WITH T.S. NORBERT AND INVEST EP97...SCATTERED
MODERATE TO ISOLATED STRONG CONVECTION IS FOUND FROM 04N TO 08N E OF
92W TO THE COAST OF COLOMBIA...FROM 10N TO 16N BETWEEN 115W AND
123W...AND FROM 00N TO 11N W OF 125W.
.FORECASTER GR. NATIONAL HURRICANE CENTER.
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