730
FZPN02 KWBC 200527
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SUN SEP 20 2026

CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 20.
24 HOUR FORECAST VALID 0000 UTC SEP 21.
48 HOUR FORECAST VALID 0000 UTC SEP 22.

.WARNINGS.

...STORM WARNING...
.LOW 54N149W 976 MB MOVING NE 15 KT. BETWEEN 120 NM N AND NE OF A
LINE FROM 57N149W TO 55N144W AND WITHIN 180 NM SE...300 NM S AND
BETWEEN 120 NM AND 300 NM SW AND NW QUADRANTS WINDS 35 TO 50 KT.
SEAS 4 TO 8 M...HIGHEST S QUADRANT. ELSEWHERE WITHIN 420 NM
NE...660 NM E...540 NM SE...600 NM S...900 NM SW AND 960 NM NW
QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 59N146W 980 MB. WITHIN 120 NM N...360 NM
SE...360 NM S...480 NM SW AND BETWEEN 300 NM AND 540 NM W
QUADRANTS WINDS 25 TO 40 KT. SEAS 3.5 TO 7 M...HIGHEST SE
QUADRANT. ELSEWHERE WITHIN 480 NM SE...900 NM S...1080 NM SW...W
AND BETWEEN 360 NM AND 780 NM NW QUADRANTS WINDS 20 TO 30 KT.
SEAS 2.5 TO 5 M IN MIXED SWELL...HIGHEST SW QUADRANT.
.48 HOUR FORECAST LOW WELL INLAND WITH NEW LOW 53N147W 998 MB.
WITHIN 180 NM NE...240 NM SE...420 NM W AND 480 NM NW QUADRANTS
WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE WITHIN 600 NM
S...660 NM SW...780 NM W AND 600 NM NW QUADRANTS WINDS 20 TO 30
KT. SEAS 2.5 TO 4 M...EXCEPT TO 2.5 M IN THE BERING SEA E OF
165W.

.SYNOPSIS AND FORECAST.

.FROM 33N TO 40N BETWEEN 119W AND 127W AREA OF NW TO N WINDS TO
25 KT. SEAS TO 3 M.
.24 HOUR FORECAST FROM 30N TO 43N BETWEEN 119W AND 130W AREA OF
NW TO N WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 30N TO 44N BETWEEN 116W AND 129W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM E OF A
LINE FROM 55N136W TO 58N139W TO THE COASTS OF BRITISH COLUMBIA
AND ALASKA...N OF A LINE FROM 57N145W TO 56N154W TO COAST OF
ALASKA AND FROM 60N TO 67N BETWEEN 166W AND 170W.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM S AND W OF THE ALASKAN
COAST FROM 135W TO 151W AND N OF 64N W OF ALASKA.
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM S AND W OF BRITISH
COLUMBIA AND ALASKAN COASTS FROM 131W TO 154W AND N OF 65N W OF
ALASKA.

.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 SUN SEP 20.
24 HOUR FORECAST VALID 0000 UTC MON SEP 21.
48 HOUR FORECAST VALID 0000 UTC TUE SEP 22.

.WARNINGS.

...STORM WARNING...
.WITHIN 12N103W TO 14N106W TO 12N105W TO 08N107W TO 06N106W TO
08N104W TO 12N103W S WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL
CYCLONE...NEAR 15N106W. WITHIN 16N105W TO 16N106W TO 15N107W TO
15N106W TO 15N105W TO 16N105W W WINDS 25 TO 35 KT. SEAS 2.5 TO
4.5 M. WITHIN 16N104W TO 17N106W TO 15N108W TO 12N107W TO 12N104W
TO 13N103W TO 16N104W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.45 HOUR FORECAST WITHIN 16N103W TO 16N104W TO 15N104W TO 16N103W
NW TO N WINDS 40 TO 50 KT. SEAS 4.0 TO 5.5 M. WITHIN 15.5N103W
TO 15.5N103.5W TO 15N104W TO 15N103.5W TO 15.5N103W SW WINDS 30
TO 40 KT. SEAS 4.0 TO 5.5 M. WITHIN 15N102W TO 17N103W TO 17N105W
TO 15N107W TO 12N106W TO 12N103W TO 15N102W W WINDS 20 TO 30 KT.
SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR
15N103W. LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.WITHIN 24N132W TO 24N137W TO 21N139W TO 18N138W TO 15N129W TO
18N126W TO 24N132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
TO SE SWELL.
.24 HOUR FORECAST WITHIN 23N133W TO 26N140W TO 16N140W TO
15N128W TO 17N128W TO 23N133W NE TO E WINDS 20 TO 25 KT. SEAS
2.5 TO 4.5 M IN E TO SE SWELL.
.48 HOUR FORECAST WITHIN 19N131W TO 25N140W TO 15N140W TO
15N131W TO 19N131W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN E
TO SE SWELL.

.WITHIN 15N122W TO 16N124W TO 16N125W TO 15N125W TO 13N125W TO
13N123W TO 15N122W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E
TO SE SWELL.
.24 HOUR FORECAST WITHIN 16N125W TO 15N128W TO 14N128W TO
13N127W TO 13N126W TO 14N125W TO 16N125W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN E TO SE SWELL.
.48 HOUR FORECAST WITHIN 17N126W TO 18N129W TO 15N130W TO
14N128W TO 11N128W TO 14N125W TO 17N126W SE WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M.

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

CONVECTION VALID AT 0350 UTC SUN SEP 20...

.INVEST EP98...NUMEROUS MODERATE TO STRONG FROM 08N TO 13N
BETWEEN 120W AND 128W WITH SCATTERED MODERATE ELSEWHERE FROM
02N TO 13N BETWEEN 117W AND 136W.

.INVEST EP99...NUMEROUS MODERATE TO STRONG FROM 07N TO 17N
BETWEEN 100W AND 108W.

.TROPICAL WAVE NEAR 83W...SCATTERED MODERATE TO ISOLATED STRONG
FROM
01N TO 10N E OF 90W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N86W TO 12N106W TO 11N123W TO
13N137W. SCATTERED MODERATE AND ISOLATED STRONG N OF 03N AND
EAST OF 107W...AND FROM 05N TO 12N BETWEEN 120W AND 128W.

.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W

SYNOPSIS VALID 0000 UTC SEP 20 2026.
24 HOUR FORECAST VALID 0000 UTC SEP 21 2026.
48 HOUR FORECAST VALID 0000 UTC SEP 22 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 15N141W 1007 MB MOVING W 10 KT.
.24 HOUR FORECAST LOW 15N143W 1008 MB.
.48 HOUR FORECAST LOW 13N148W 1008 MB.

.TROUGH 22N170W 17N169W MOVING W 5 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.LOW 12N160W 1010 MB MOVING W 5 KT.
.24 HOUR FORECAST LOW 11N162W 1010 MB.
.48 HOUR FORECAST LOW 10N164W 1010 MB.

.WINDS 20 TO 25 KT FROM 18N TO 22N BETWEEN 160W AND 155W.
.24 HOUR FORECAST WINDS 20 TO 30 KT FROM 15N TO 20N E OF 145W.
.48 HOUR FORECAST WINDS 20 TO 30 KT FROM 15N TO 22N BETWEEN
150W AND 140W.

.SEAS 2.5 TO 3 M FROM 15N TO 22N BETWEEN 155W AND 140W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 15N TO 22N E OF 155W.
.48 HOUR FORECAST SEAS 2.5 TO 3.5 M FROM 15N TO 22N E OF 150W.

.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LESS OVER THE REMAINDER
OF FORECAST AREA.

.MONSOON TROUGH 11N141W 10N145W 15N155W 04N170W 07N180W.
SCATTERED MODERATE TSTMS FROM 00N TO 07N BETWEEN 180W AND
163W...AND WITHIN 150 NM OF LINE 08N162W 16N155W.

$$

.FORECASTER PECHACEK. HONOLULU HI.