799
FZPN03 KNHC 311604
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON AUG 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON AUG 31.
24 HOUR FORECAST VALID 1200 UTC TUE SEP 1.
48 HOUR FORECAST VALID 1200 UTC WED SEP 2.
.WARNINGS.
..HURRICANE WARNING
.HURRICANE KARINA NEAR 17.4N 125.1W 950 MB AT 1500 UTC AUG 31
MOVING W OR 275 DEG AT 8 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 300 NM NE QUADRANT...180 NM SE QUADRANT...210
NM SW QUADRANT...AND 270 NM NW QUADRANT WITH SEAS TO 11 M.
ELSEWHERE WITHIN 21N123W TO 21N127W TO 18N128W TO 14N125W TO
17N122W TO 21N123W WINDS 20 TO 33 KT. SEAS 4 TO 6. REMAINDER OF
WATERS WITHIN 20N117W TO 26N127W TO 25N132W TO 19N133W TO
13N128W TO 11N122W TO 20N117W WINDS 20 KT OR LESS. SEAS 2.5 TO
4 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE KARINA NEAR 18.0N 128.4W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM N SEMICIRCLE AND 70 NM S SEMICIRCLE. SEAS 4 M OR
GREATER 240 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WITH SEAS TO
10 M. ELSEWHERE WITHIN 20N126W TO 23N128W TO 23N131W TO 21N133W
TO 16N131W TO 17N126W TO 20N126W WINDS TO TO 33 KT. SEAS 4 TO 6
M. REMAINDER OF FORECAST WATERS WITHIN 25N126W TO 25N137W TO
18N140W TO 12N130W TO 16N123W TO 25N126W WINDS 20 KT OR LESS.
SEAS 2.5 TO 4 M IN MIXED SWELL. .48 HOUR FORECAST HURRICANE
KARINA NEAR 18.8N 132.3W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS
120 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM S
SEMICIRCLE...100 NM NE QUADRANT AND 90 NM NW QUADRANT. SEAS 4 M
OR GREATER 180 NM IN N SEMICIRCLE AND 120 NM IN S SEMICIRCLE WITH
SEAS TO 10 M. ELSEWHERE WITHIN 25N132W TO 24N137W TO 20N136W TO
18N135W TO 17N132W TO 19N130W TO 25N132W WINDS 20 TO 33 KT. SEAS
3 TO 6 M. REMAINDER OF FORECAST WATERS WITHIN 20N126W TO 25N130W
TO 26N140W TO 12N140W TO 12N127W TO 20N126W WINDS 20 KT OR LESS.
SEAS 2.5 TO 4.5 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.
..STORM WARNING
.LOW PRESSURE NEAR 12N108W 1008 MB LOW. WITHIN 15N104W TO
17N107W TO 16N110W TO 14N111W TO 10N110W TO 11N106W TO 15N104W WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M.
12 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE
NEAR 13N110W 1003 MB. WITHIN 13N108W TO 14N109W TO 13N110W TO
12N109W TO 12N108W TO 13N108W WINDS 20 TO 35 KT. SEAS 4 TO 4.5 M.
ELSEWHERE WITHIN 17N105W TO 18N110W TO 15N112W TO 10N111W TO
09N109W TO 11N105W TO 17N105W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M
IN MIXED SWELL.
24 HOUR FORECAST LOW PRESSURE
POSSIBLE TROPICAL
CYCLONE...14N110W 995 MB. FROM FROM 13N TO 15N BETWEEN 108W AND
110W WINDS 30 TO 45 KT. SEAS 3.5 TO 4.5 M. ELSEWHERE WITHIN
16N106W TO 19N107W TO 19N111W TO 16N114W TO 10N112W TO 11N106W TO
16N106W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN MIXED SEAS.
30 HOUR FORECAST LOW PRESSURE
POSSIBLE TROPICAL
CYCLONE...15N111W 990 MB. WITHIN 15N109.5W TO 15N110W TO
15N110.5W TO 14N110.5W TO 14N110W TO 15N109.5W WINDS 40 TO 50 KT.
SEAS 4.5 TO 5.5 M. ELSEWHERE WITHIN 15N109W TO 16N111W TO
15N111W TO 14N111W TO 13N110W TO 14N109W TO 15N109W WINDS 30 TO
40 KT. SEAS 3.5 TO 4.5 M. REMAINDER OF AREA WITHIN 17N106W TO
20N111W TO 19N114W TO 15N115W TO 10N110W TO 10N107W TO 17N106W
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN MIXED SEAS.
48 HOUR FORECAST LOW PRESSURE
POSSIBLE TROPICAL
CYCLONE...16N112W 990 MB. WITHIN 17N112W TO 17N113W TO 16N113W
TO 16N112W TO 17N112W WINDS 40 TO 50 KT. SEAS 6.0 TO 6.5 M.
ELSEWHERE WITHIN 17N111W TO 18N112W TO 17N113W TO 16N113W TO
15N112W TO 16N111W TO 17N111W WINDS 30 TO 40 KT. SEAS 4.0 TO 5.5
M. REMAINDER OF AREA WITHIN 20N106W TO 22N109W TO 20N116W TO
17N117W TO 11N111W TO 14N106W TO 20N106W...INCLUDING NEAR CABO
CORRIENTES...WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M.
.SYNOPSIS AND FORECAST.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1500 UTC MON AUG 31...
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM COASTAL COSTA RICA AT 09N83W TO
12N120W. AFTER ENDING SOUTHEAST OF KARINA, THE MONSOON TROUGH
RESUMES AGAIN FROM 10N129W TO 11N140W. NUMEROUS MODERATE AND
SCATTERED STRONG CONVECTION IS OCCURRING FROM 06N-13N BETWEEN
105W-112W. SCATTERED MODERATE AND ISOLATED STRONG CONVECTION IS
NOTED FROM 05N-16N BETWEEN 89W-98W, NORTH OF 05N EAST OF 85W,
FROM 04N-12N BETWEEN 113W-128W, AND FROM 03N-08N WEST OF 138W.
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.
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