028
FZPN01 KWBC 010430
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE SEP 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).

SECURITE

PACIFIC S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0000 UTC SEP 01.
24 HOUR FORECAST VALID 0000 UTC SEP 02.
48 HOUR FORECAST VALID 0000 UTC SEP 03.

.WARNINGS.

...GALE WARNING...
.LOW 59N144W 992 MB MOVING SE 25 KT. WITHIN 240 NM SW AND W
QUADRANTS...INCLUDING THE SHELIKOF STRAIT...WINDS 25 TO 35 KT.
SEAS 3 TO 4.5 M...HIGHEST NEAR 57N146W.
.24 HOUR FORECAST LOW 52N131W 992 MB. WITHIN 300 NM S QUADRANT
AND BETWEEN 120 NM AND 660 NM SW SEMICIRCLE WINDS 25 TO 35 KT.
SEAS 2.5 TO 4.5 M...HIGHEST NEAR 52N140W.
.48 HOUR FORECAST LOW 49N129W 1001 MB. BETWEEN 120 NM AND 720 NM
SW SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.

...GALE WARNING...
.LOW 57N179E 998 MB MOVING NE 25 KT. IN THE BERING SEA WITHIN 360
NM NE...420 NM SE AND 300 NM S QUADRANTS...WITHIN 360 NM NE OF A
LINE FROM 52N167W TO 46N146W AND FROM 35N TO 52N W OF 175W WINDS
20 TO 30 KT. SEAS 2.5 TO 5 M IN MIXED SWELL...HIGHEST NEAR
55N179W.
.24 HOUR FORECAST LOW DISSIPATED WITH NEW LOW 53N173E 992 MB. IN
THE BERING SEA BETWEEN 120 NM AND 900 NM E QUADRANT AND FROM 35N
TO 52N W OF 176W WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M...HIGHEST
NEAR 180W.
.48 HOUR FORECAST LOW W OF THE AREA 55N170E 981 MB. WITHIN 300 NM
NE AND E OF A FRONT FROM 39N176W TO 46N173W TO 52N174W TO 58N178W
WINDS 25 TO 35 KT. SEAS 3 TO 6 M...HIGHEST NEAR 50N174W.

.SYNOPSIS AND FORECAST.

.WITHIN 300 NM N AND NE OF A LINE FROM 52N169W TO 48N148W AREA OF
W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST WITHIN 300 NM N AND NE OF A LINE FROM 54N167W
TO 46N149W AREA OF W TO NW WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5
M...HIGHEST NEAR 52N152W.
.48 HOUR FORECAST N OF 50N BETWEEN 130W AND 160W AREA OF W TO NW
WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.

.STRONG NW WINDS IN THE VICINITY OF KATMAI VOLCANO LOCATED NEAR
WATERS AROUND SOUTHERN KODIAK ISLAND ARE EXPECTED TO CONTINUE
RESUSPENDING ASH FROM THE 1912 ERUPTION...POTENTIALLY CAUSING
TRACE AMOUNTS OF ASH ACCUMULATION AT THE OCEAN SURFACE. MARINERS
ARE URGED TO EXERCISE CAUTION NEAR KATMAI VOLCANO AND TO REPORT
ANY ASH OBSERVATIONS TO THE OCEAN PREDICTION CENTER AT 301 683
1520.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 55N
BETWEEN 145W AND 165W AND W OF A LINE FROM 45N175W TO 50N165W TO
58N165W.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 52N W OF 160W AND IN THE
BERING SEA FROM 52N TO 59N W OF 160W.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 52N W OF 170W AND IN THE
BERING SEA FROM 52N TO 62N BETWEEN 164W AND 179E.

.FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0000 UTC TUE SEP 1.
24 HOUR FORECAST VALID 0000 UTC WED SEP  2.
48 HOUR FORECAST VALID 0000 UTC THU SEP  3.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE KARINA NEAR 17.8N 126.6W 950 MB AT 0300 UTC SEP 01
MOVING WNW OR 285 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 115 KT
GUSTS 140 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 180 NM S SEMICIRCLE...210 NM NE QUADRANT AND
270 NM NW QUADRANT WITH SEAS TO 11.0 M. WITHIN 24N124W TO
25N129W TO 20N133W TO 15N131W TO 14N126W TO 18N123W TO 24N124W
WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M. WITHIN 21N120W TO 29N130W
TO 23N138W TO 18N140W TO 09N130W TO 13N120W TO 21N120W WINDS 20
KT OR LESS. SEAS 2.5 TO 4.5 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE KARINA NEAR 18.5N 130.2W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM N SEMICIRCLE AND 70 NM S SEMICIRCLE. SEAS 4 M OR
GREATER WITHIN 240 NM IN NW QUADRANT...180 NM IN NE AND SW
QUADRANTS...AND 120 NM IN SE QUADRANT WITH SEAS TO 10 M. WITHIN
22N127W TO 26N129W TO 25N133W TO 23N136W TO 17N134W TO 17N129W TO
22N127W WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M. WITHIN 21N124W TO
27N130W TO 24N140W TO 15N140W TO 12N133W TO 14N127W TO 21N124W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE KARINA NEAR 19.3N 134.1W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. LITTLE CHANGE. SEAS 4 M OR
GREATER 240 NM IN NW QUADRANT...180 NM IN NE AND SW
QUADRANTS...AND 120 NM IN SE QUADRANT WITH SEAS TO 9.0 M. WITHIN
25N131W TO 26N135W TO 25N138W TO 20N140W TO 17N135W TO 20N131W
TO 25N131W WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M. WITHIN 20N128W
TO 25N130W TO 27N135W TO 27N140W TO 11N140W TO 13N132W TO
20N128W
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.

...STORM WARNING...
.WITHIN 17N104W TO 19N106W TO 16N112W TO 11N111W TO 10N106W TO
13N104W TO 17N104W...INCLUDING NEAR CABO CORRIENTES... SE WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.06 HOUR FORECAST WITHIN 15N105W TO 18N106W TO 19N109W TO
15N113W TO 10N110W TO 10N107W TO 15N105W SE WINDS 25 TO 35 KT.
SEAS 2.5 TO 4.5 M. WITHIN 14N107W TO 15N108W TO 14N108W TO
13N108W TO 14N107W SE TO S WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 17N109W TO 17N110W TO 16N111W TO
15N111W TO 14N111W TO 15N109W TO 17N109W S WINDS 35 TO 45 KT.
SEAS 4.0 TO 5.5 M. WITHIN 16N105W TO 20N107W TO 19N114W TO
17N115W TO 10N111W TO 11N107W TO 16N105W...INCLUDING NEAR CABO
CORRIENTES...SE TO S WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.33 HOUR FORECAST WITHIN 18N111W TO 17N111W TO 18N111W TO
16N113W TO 15N112W TO 16N110W TO 18N111W S WINDS 40 TO 50 KT.
SEAS 5.5 TO 7.0 M. WITHIN 17N110W TO 18N111W TO 17N111W TO
16N111W TO 16N110W TO 17N110W SE TO S WINDS 20 TO 30 KT. SEAS
6.5 TO 8.0 M. WITHIN 19N106W TO 21N110W TO 18N115W TO 12N113W TO
12N108W TO 16N106W TO 19N106W...INCLUDING NEAR CABO
CORRIENTES...SE TO S WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST WITHIN 19N111W TO 20N112W TO 19N114W TO
18N115W TO 16N114W TO 17N111W TO 19N111W SE TO S WINDS 35 TO 50
KT. SEAS 6.5 TO 8.0 M. WITHIN 18N112W TO 19N113W TO 18N114W TO
17N113W TO 17N112W TO 18N112W SE WINDS 20 TO 30 KT. SEAS 7.0 TO
8.5 M. WITHIN 21N107W TO 23N109W TO 22N115W TO 18N118W TO 12N113W
TO 16N106W TO 21N107W...INCLUDING NEAR CABO CORRIENTES AND
WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M.

.SYNOPSIS AND FORECAST.

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

CONVECTION VALID AT 0350 UTC TUE SEP 1...

.HURRICANE KARINA...NUMEROUS MODERATE TO SCATTERED STRONG FROM
14N TO 20N BETWEEN 124W AND 129W.

.INVEST EP95...NUMEROUS MODERATE AND SCATTERED STRONG FROM
05N TO 13N BETWEEN 104W AND 116W. SCATTERED MODERATE ELSEWHERE
FROM 12N TO 19N BETWEEN 98W AND 112W.

.TROPICAL WAVE NEAR 95W...SCATTERED MODERATE AND ISOLATED STRONG
FROM 02N TO 10N BETWEEN 87W AND 98W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 08N100W TO 13N118W...
THEN RESUMES AGAIN FROM 12N126W TO BEYOND 10N140W. NUMEROUS
MODERATE AND SCATTERED STRONG FROM 06N TO 17N BETWEEN 98W AND
114W.
SCATTERED MODERATE AND ISOLATED STRONG FROM 03N TO 09N E OF
87W...AND FROM 05N TO 11W WEST OF 117W.

.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

$$