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High Seas Forecast (Tropical Northeast Pacific)


000
FZPN03 KNHC 021559
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED SEP 2 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED SEP 2.
24 HOUR FORECAST VALID 1200 UTC THU SEP  3.
48 HOUR FORECAST VALID 1200 UTC FRI SEP  4.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE KARINA NEAR 18.8N 132.8W 940 MB AT 1500 UTC SEP 02
MOVING WNW OR 285 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 125 KT
GUSTS 150 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE AND SW
QUADRANTS...110 NM NW QUADRANT AND 80 NM SE QUADRANT.  SEAS 4 M
OR GREATER WITHIN 240 NM NE QUADRANT...230 NM SE QUADRANT...250
NM SW QUADRANT...AND 280 NM NW QUADRANT WITH SEAS TO 12 M.
ELSEWHERE WITHIN 24N131W TO 24N137W TO 19N136W TO 17N135W TO 
17N131W TO 19N129W TO 24N131W WINDS 20 TO 33 KT. SEAS 4.0 TO 7.0
M. REMAINDER OF AREA WITHIN 20N124W TO 27N129W TO 26N140W TO 
13N140W TO 08N137W TO 10N126W TO 20N124W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE KARINA NEAR 19.7N 136.2W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. LITTLE CHANGE. TROPICAL 
STORM FORCE WINDS AND SEAS 4 M OR GREATER. ELSEWHERE WITHIN 
22N132W TO 24N133W TO 26N140W TO 20N140W TO 17N137W TO 18N133W TO
22N132W WINDS 20 TO 33 KT. SEAS 6.0 TO 7.0 M. REMAINDER OF AREA 
WITHIN 23N129W TO 28N140W TO 09N140W TO 09N127W TO 23N129W WINDS 
20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE KARINA NEAR 20.5N 140.0W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM N SEMICIRCLE AND 80 NM S SEMICIRCLE. SEAS 4 M OR 
GREATER WITHIN 210 NM NE QUADRANT AND 180 NM SE QUADRANT WITH 
SEAS TO 10 M. ELSEWHERE WITHIN 24N137W TO 25N140W TO 18N140W TO 
17N139W TO 20N136W TO 24N137W WINDS 20 TO 33 KT. SEAS 4.0 TO 7.0 
M. WITHIN 22N131W TO 25N132W TO 29N140W TO 21N136W TO 13N140W TO 
16N134W TO 22N131W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN 
MIXED SWELL.

...HURRICANE WARNING...
.TROPICAL STORM MARIE NEAR 17.1N 111.7W 992 MB AT 1500 UTC SEP
02 MOVING NW OR 305 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NE
QUADRANT...160 NM SE QUADRANT...30 NM SW QUADRANT...AND 70 NM NW
QUADRANT.  SEAS 4 M OR GREATER WITHIN 265 NM NE QUADRANT...210
NM SE QUADRANT...130 NM SW QUADRANT...AND 200 NM NW QUADRANT
WITH SEAS TO 8.5 M. ELSEWHERE WITHIN 21N108W TO 21N111W TO 
20N114W TO 17N114W TO 14N111W TO 17N107W TO 21N108W WINDS 20 TO
33 KT. SEAS 4.0 TO 7.0 M. REMAINDER OF AREA WITHIN 17N104W TO 
22N108W TO 22N112W TO 18N116W TO 12N113W TO 11N107W TO 
17N104W...INCLUDING NEAR CABO CORRIENTES... WINDS 20 KT OR LESS.
SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.12 HOUR FORECAST HURRICANE MARIE NEAR 17.8N 112.8W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.24 HOUR FORECAST HURRICANE MARIE NEAR 18.7N 114.2W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS 
WITHIN 150 NM NE QUADRANT...140 NM SE QUADRANT...70 NM SW 
QUADRANT...AND 110 NM NW QUADRANT. SEAS 4 M OR GREATER 270 NM IN 
N SEMICIRCLE...210 NM IN SE QUADRANT AND 180 NM IN SW QUADRANT 
WITH SEAS TO 11.5 M. ELSEWHERE WITHIN 20N110W TO 22N111W TO 
24N118W TO 21N119W TO 17N117W TO 16N113W TO 20N110W WINDS 20 TO 
33 KT. SEAS 4.0 TO 7.0 M. REMAINDER OF AREA WITHIN 24N108W TO 
25N119W TO 16N121W TO 11N114W TO 12N110W TO 17N106W TO 
24N108W...INCLUDING NEAR CABO CORRIENTES AND THE GULF OF 
CALIFORNIA AND WITHIN 60 NM OF SHORE...WITHIN 60 NM OF 
SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE MARIE NEAR 20.1N 117.3W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 140 NM E SEMICIRCLE...90 NM SW QUADRANT AND 120 NM NW 
QUADRANT. SEAS 4 M OR GREATER 300 NM IN N SEMICIRCLE AND SE 
QUADRANT AS WELL AS 270 NM IN SW QUADRANT WITH SEAS TO 12 M. 
ELSEWHERE WITHIN 22N112W TO 25N116W TO 25N120W TO 22N122W TO 
15N118W TO 17N113W TO 22N112W WINDS 20 TO 33 KT. SEAS 4.0 TO 7.0 
M. REMAINDER OF AREA WITHIN 24N108W TO 30N117W TO 28N124W TO 
19N127W TO 11N118W TO 13N111W TO 24N108W...INCLUDING THE GULF OF 
CALIFORNIA AND SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF 
SHORE... WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 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 01S111W TO 01S117W TO 01S120W TO 03.4S120W TO 03S109W TO
01S111W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 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 1500 UTC WED SEP 2...

.HURRICANE KARINA...NUMEROUS MODERATE TO SCATTERED STRONG 
CONVECTION IS NOTED FROM 17N-22N BETWEEN 131W-135W.

.TROPICAL STORM MARIE...NUMEROUS MODERATE TO SCATTERED STRONG 
CONVECTION IS NOTED FROM 13N-21N BETWEEN 105W-114W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXITS THE COAST OF COSTA RICA NEAR 10N84W AND
EXTENDS TO 11N108W. SCATTERED MODERATE CONVECTION IS OCCURRING 
NORTH OF 07N EAST OF 91W. NUMEROUS MODERATE AND SCATTERED STRONG 
IS ALSO OCCURRING FROM 03N-11N WEST OF 115W.

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.