High Seas Forecast
Issued by NWS

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007
FZPN03 KNHC 011010
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE SEP 1 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE SEP 1.
24 HOUR FORECAST VALID 0600 UTC WED SEP  2.
48 HOUR FORECAST VALID 0600 UTC THU SEP  3.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE KARINA NEAR 18.0N 127.9W 945 MB AT 0900 UTC SEP 01
MOVING WNW OR 285 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 120 KT
GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N
SEMICIRCLE...80 NM SE QUADRANT AND 70 NM SW QUADRANT. SEAS 4 M
OR GREATER WITHIN 210 NM OF CENTER EXCEPT 180 NM SE QUADRANT WITH
SEAS TO 11.0 M. WITHIN 23N128W TO 24N131W TO 19N133W TO 15N130W TO
16N127W TO 19N125W TO 23N128W WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5
M. WITHIN 23N122W TO 27N135W TO 20N140W TO 14N137W TO 09N129W TO
15N122W TO 23N122W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN
MIXED SWELL.
.24 HOUR FORECAST HURRICANE KARINA NEAR 18.9N 131.3W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. LITTLE CHANGE. WITHIN
25N128W TO 26N133W TO 20N137W TO 17N133W TO 18N128W TO 25N128W
WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M. WITHIN 22N125W TO 26N128W
TO 25N140W TO 14N140W TO 11N131W TO 12N126W TO 22N125W WINDS 20
KT OR LESS. SEAS 2.5 TO 4.5 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE KARINA NEAR 19.6N 135.0W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM S SEMICIRCLE...110 NM NE QUADRANT AND 100 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM NE QUADRANT...180 NM
SE QUADRANT...250 NM SW QUADRANT AND 300 NM NW QUADRANT WITH
SEAS TO 12.0 M. WITHIN 24N131W TO 26N135W TO 25N140W TO 20N140W
TO 17N137W TO 18N133W TO 24N131W WINDS 20 TO 33 KT. SEAS 4.0 TO
5.5 M. WITHIN 24N128W TO 27N132W TO 28N140W TO 11N140W TO
12N133W TO 14N130W TO 24N128W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.5 M IN MIXED SWELL.

...HURRICANE WARNING...
.TROPICAL STORM MARIE NEAR 13.8N 108.9W 1002 MB AT 0900 UTC SEP
01 MOVING NW OR 315 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM N
SEMICIRCLE...140 NM SE QUADRANT AND 100 NM SW QUADRANT. SEAS 4 M
OR GREATER WITHIN 45 NM NE QUADRANT...90 NM SE QUADRANT...105 NM
SW QUADRANT...AND 75 NM NW QUADRANT WITH SEAS TO 4.0 M. WITHIN
18N106W TO 19N110W TO 17N112W TO 09N110W TO 10N107W TO 13N104W TO
18N106W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 TO 33 KT.
SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST TROPICAL STORM MARIE NEAR 16.0N 111.3W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM NE AND SW QUADRANTS...50 NM NW QUADRANT AND
160 NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM NE
QUADRANT...165 NM SE QUADRANT...120 NM SW QUADRANT AND 165 NM NW
QUADRANT WITH SEAS TO 7.0 M. WITHIN 18N105W TO 22N110W TO
18N115W TO 12N113W TO 11N109W TO 14N105W TO 18N105W...INCLUDING
NEAR CABO CORRIENTES...WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M.
.36 HOUR FORECAST HURRICANE MARIE NEAR 17.0N 112.5W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.48 HOUR FORECAST HURRICANE MARIE NEAR 18.0N 114.0W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NE AND SW QUADRANTS...110 NM NW QUADRANT AND 140 NM
SE QUADRANT. SEAS 4 M OR GREATER WITHIN 330 NM NE QUADRANT...240
NM SE QUADRANT AND 210 NM W SEMICIRCLE WITH SEAS TO 8.0 M.
WITHIN 24N108W TO 25N114W TO 21N119W TO 16N119W TO 11N112W TO
16N106W TO 24N108W...INCLUDING NEAR CABO CORRIENTES AND THE GULF
OF CALIFORNIA AND WITHIN 60 NM OF SHORE...WINDS 20 TO 33 KT. SEAS
4.0 TO 5.5 M.

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.

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

CONVECTION VALID AT 0950 UTC TUE SEP 1...

.HURRICANE KARINA...NUMEROUS MODERATE TO SCATTERED STRONG FROM
16N TO 22N BETWEEN 125W AND 130W.

.TROPICAL STORM MARIE...NUMEROUS MODERATE TO SCATTERED STRONG
FROM 05N TO 16N BETWEEN 103W AND 120W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N85W TO 10N97W TO 08N105W...
THEN RESUMES AGAIN FROM 11N111W TO 15N122W. NUMEROUS MODERATE AND
SCATTERED STRONG CONVECTION IS OCCURRING FROM 04N TO 13N E OF
94W...AND FROM 04N TO 10W WEST OF 120W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.