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High Seas Forecast (Tropical Northeast Pacific)


000
FZPN03 KNHC 282147
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC FRI AUG 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 28.
24 HOUR FORECAST VALID 1800 UTC SAT AUG 29.
48 HOUR FORECAST VALID 1800 UTC SUN AUG 30.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM KARINA NEAR 13.7N 115.5W 990 MB AT 2100 UTC AUG 28 
MOVING NW OR 315 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 
KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NE QUADRANT...200 NM SE 
QUADRANT...0 NM SW QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR 
GREATER WITHIN 240 NM NE QUADRANT...210 NM SE QUADRANT...120 NM SW 
QUADRANT...AND 180 NM NW QUADRANT WITH SEAS TO 8.0 M. ELSEWHERE FROM 
FROM 07N TO 18N BETWEEN 110W AND 119W WINDS 20 TO 33 KT. SEAS 3.0 TO 
4.0 M. REMAINDER OF THE AREA FROM 04N TO 19N BETWEEN 105W AND 119W 
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.12 HOUR FORECAST HURRICANE KARINA NEAR 14.6N 116.6W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.24 HOUR FORECAST HURRICANE KARINA NEAR 15.9N 118.4W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 
180 NM NE QUADRANT...200 NM SE QUADRANT...50 NM SW QUADRANT...AND 
120 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NM OF CENTER... 
EXCEPT 210 NM SW QUADRANT WITH SEAS TO 10 M. ELSEWHERE WITHIN 300 NM 
OF CENTER...EXCEPT 240 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 3.0 TO 
4.0 M. REMAINDER OF THE AREA FROM 07N TO 24N BETWEEN 108W AND 125W 
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE KARINA NEAR 17.5N 121.9W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS 
WITHIN 150 NM E SEMICIRCLE...70 NM SW QUADRANT AND 120 NM NW 
QUADRANT. SEAS 4 M OR GREATER WITHIN 300 NM OF CENTER...EXCEPT 240 
NM SW QUADRANT WITH SEAS TO 11 M. ELSEWHERE WITHIN 330 NM OF 
CENTER...EXCEPT 270 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 3.0 TO 
4.0 M. REMAINDER OF THE AREA FROM 09N TO 28N BETWEEN 112W AND 131W 
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 IN MIXED SWELL.

...TROPICAL STORM WARNING...
.TROPICAL STORM LOWELL NEAR 12.5N 133.4W 1003 MB AT 2100 UTC AUG 28 
MOVING NW OR 305 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 
KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM E SEMICIRCLE...60 NM SW 
QUADRANT AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM SE 
QUADRANT WITH SEAS TO 4.5. ELSEWHERE WITHIN 90 NM N AND 120 NM S 
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF THE 
AREA FROM 08N TO 14N BETWEEN 129W AND 135W WINDS 20 KT OR LESS. SEAS 
2.5 TO 3 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM LOWELL NEAR 12.8N 135.4W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 
60 NM S SEMICIRCLE...30 NM NE QUADRANT AND 50 NM NW QUADRANT. SEAS 4 
M OR GREATER WITHIN 60 NM OF CENTER...EXCEPT 90 NM NE QUADRANT WITH 
SEAS TO 6.0 M. ELSEWHERE WITHIN 90 NM OF CENTER...EXCEPT 120 NM NE 
QUADRANT WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF THE AREA 
FROM 11N TO 15N BETWEEN 132 AND 136W WINDS 2O KT OR LESS. SEAS 2.5 
TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM LOWELL NEAR 13.1N 138.6W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 50 NM N SEMICIRCLE AND 60 NM S SEMICIRCLE. SEAS 4 M OR 
GREATER WITHIN 60 NM OF CENTER...EXCEPT 90 NM NE QUADRANT WITH SEAS 
TO 7.0 M. ELSEWHERE WITHIN 90 NM OF CENTER...EXCEPT 120 NM NE 
QUADRANT WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF THE AREA 
FROM 11N TO 17N W OF 135W WINDS 2O KT OR LESS. SEAS 2.5 TO 3.0 M IN 
MIXED SWELL.

.SYNOPSIS AND FORECAST.

.LOW PRESSURE NEAR 25N131W 1007 MB. FROM 27N TO 30N BETWEEN 127W AND 
134W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN MIXED SWELL. 
ELSEWHERE FROM 23N TO 30N BETWEEN 127W AND 135W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.0 MIN MIXED SWELL.
.24 HOUR FORECAST LOW PRESSURE DISSIPATED. N OF 25N AND W OF A LINE 
FROM 30N133W TO 25N137W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. 
ELSEWHERE N OF 24N AND W OF 133W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M IN MIXED SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

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

.FROM 09.5N TO 11.5N E OF 91W...INCLUDING THE GULF OF PAPAGAYO...NE 
TO E WINDS 20 TO 25 KT. SEAS 2.5 M.
.12 HOUR FORECAST FROM 10N TO 12N E OF 90W...INCLUDING THE GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST FROM 10N TO 11.5N E OF 90W...INCLUDING THE GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 2100 UTC FRI AUG 28...

.TROPICAL STORM KARINA...NUMEROUS MODERATE TO STRONG WITHIN 180 NM 
SE AND 90 NW SEMICIRCLES OF CENTER. 

.TROPICAL STORM LOWELL...NUMEROUS MODERATE TO STRONG WITHIN 180 NM 
SW SEMICIRCLE. 

.TRPCL WAVE ALONG 96W...SCATTERED MODERATE TO STRONG FROM 07N TO 
12N BETWEEN 89W AND 98W, AND FROM 10N TO 14N BETWEEN 96W AND 101W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 09N95W TO 11N110W. IN 
ADDITION TO THE CONVECTION NEAR KARINA...LOWELL AND THE TROPICAL 
WAVE...NUMEROUS MODERATE TO SCATTERED STRONG CONVECTION IS ACTIVE 
FROM 03N TO 07N BETWEEN 80W AND 87W. SCATTERED MODERATE ISOLATED 
STRONG CONVECTION IS NOTED FROM 04N TO 11N W OF 115W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.