North Pacific High Seas Forecast

FZPN01 KWBC 090948
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SUN AUG 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC AUG 09. 
24 HOUR FORECAST VALID 0600 UTC AUG 10.
48 HOUR FORECAST VALID 0600 UTC AUG 11.

.WARNINGS.

...GALE WARNING...
.FROM 36N TO 43N BETWEEN 122W AND 129W WINDS 20 TO 30 KT. SEAS TO
3 M.
.24 HOUR FORECAST FROM 33N TO 43N BETWEEN 123W AND 128W WINDS 25
TO 35 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST FROM 36N TO 44N BETWEEN 123W AND 128W WINDS 25
TO 35 KT. SEAS 2.5 TO 3.5 M.

.SYNOPSIS AND FORECAST.

.LOW 60N173W 1012 MB MOVING SE 20 KT. WITHIN 300 NM E...AND 180
NM W SEMICIRCLES WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 54N170W 1014 MB. WITHIN 240 NM NW
SEMICIRCLE WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW 46N167W 1008 MB. WITHIN 480 NM S AND SW
SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 2.5 M.

.24 HOUR FORECAST LOW 41N164W 1013 MB. WITHIN 240 NM S SEMICIRCLE
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW 44N157W 1009 MB. WITHIN 300 NM SE...AND 480
NM S QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 52N
BETWEEN 150W AND 140W...AND FROM 46N TO 57N W OF 171W.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 51N BETWEEN 148W AND
132W...AND WITHIN 60 NM OF THE ALEUTIANS.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 47N BETWEEN 152W AND
131W...AND FROM 57N TO 62N BETWEEN 150W AND 172W.

.FORECASTER BYRD. 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 0600 UTC SUN AUG 9.
24 HOUR FORECAST VALID 0600 UTC MON AUG 10.
48 HOUR FORECAST VALID 0600 UTC TUE AUG 11.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 15N94W TO 16N94W TO 16N95W TO 15N96W TO 14N96W TO 14N95W
TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS 2.5 M.
.24 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N95W TO 15N96W
TO 14N95W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N
WINDS 20 TO 30 KT. SEAS 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 11N86W TO 12N87W TO 12N88W TO 10N91W TO 09N90W TO 09N87W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO
30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 11N86W TO 13N89W TO 11N91W TO 11N94W
TO 09N95W TO 07N91W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 12N87W TO 12N89W TO 10N90W TO 10N89W TO
10N87W TO 11N86W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 30 KT. SEAS 2.5 M. WITHIN 10N90W TO 11N92W
TO 10N94W TO 09N93W TO 09N92W TO 09N91W TO 10N90W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.

.06 HOUR FORECAST WITHIN 18N137W TO 18N140W TO 13N140W TO
14N137W TO 18N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.36 HOUR FORECAST WITHIN 13N125W TO 13N126W TO 12N127W TO
11N127W TO 11N126W TO 11N125W TO 13N125W S WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 15N136W TO 18N137W TO 17N140W TO
08N140W TO 08N139W TO 12N138W TO 15N136W E TO SE WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M. WITHIN 15N126W TO 17N126W TO 18N129W TO
17N130W TO 11N130W TO 11N127W TO 15N126W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN SE SWELL.

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

CONVECTION VALID AT 0920 UTC SUN AUG 9...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 07N77W TO 09N85W TO 07N90W.
THE ITCZ BEGINS NEAR 07N93W TO 06N105W TO 08N110W. NUMEROUS
MODERATE TO STRONG OFFSHORE PANAMA AND COLOMBIA...AND FROM 02N
TO 16N BETWEEN 126W AND 135W. SCATTERED MODERATE FROM 08N TO
16N BETWEEN 96W AND 105W. SCATTERED MODERATE FROM 06N TO 16N
BETWEEN 105W AND 115W. SCATTERED MODERATE ISOLATED STRONG FROM
05N TO 15N BETWEEN 115W AND 125W...AND FROM 03N TO 16N BETWEEN
134W AND 144W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

$$