988
FZPN01 KWBC 210406
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC FRI AUG 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 21.
24 HOUR FORECAST VALID 0000 UTC AUG 22.
48 HOUR FORECAST VALID 0000 UTC AUG 23.

.WARNINGS.

...HURRICANE WARNING...
.24 HOUR FORECAST HURRICANE LALA NEAR 28.9N 171.6W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM NE QUADRANT...140 NM SE QUADRANT...100 NM SW
QUADRANT...AND 130 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 180
NM NE AND 180 NM NW QUADRANTS WITH SEAS TO 10 M. ELSEWHERE S OF
39N W OF 165W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST HURRICANE LALA NEAR 31.3N 173.5W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NW AND SE QUADRANTS...160 NM NE QUADRANT AND 110
NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 300 NM NE...180 NM
SE...SW AND 300 NM NW QUADRANTS WITH SEAS TO 10 M. ELSEWHERE S OF
38N W OF 167W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.LOW 58N153W 1011 MB MOVING NW 10 KT. WITHIN 300 NM NE...180 NM
SE AND 300 NM SW QUADRANTS AND WITHIN 180 NM SE OF A FRONT FROM
53N146W TO 42N160W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.LOW 41N160W 1020 MB MOVING NE 25 KT. WITHIN 240 NM NW OF A FRONT
FROM THE LOW TO 31N180W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW NEAR 46N149W 1017 MB.
WITHIN 180 NM NW AND N OF A LINE FROM 39N160W TO 42N153W TO THE
LOW WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 44N146W 1018 MB. WITHIN 900 NM NW AND N
QUADRANTS AND WITHIN 180 NM E AND SE OF A LINE FROM 49N143W TO
42N144W TO 37N153W WINDS TO 25 KT. SEAS TO 3 M.

.FROM 46N TO 53N E OF 131W AREA OF NW WINDS TO 25 KT. SEAS TO 2.5
M.
.24 HOUR FORECAST FROM 44N TO 54N BETWEEN 128W AND 133W AREA OF
N TO NW WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 32N TO 47N E OF 133W AREA OF NW WINDS TO
25 KT. SEAS TO 2.5 M

.COMPLEX LOW JUST NW OF AREA WITH MAIN CENTER 63N177W MOVING NE
20 KT. IN THE BERING SEA N OF 52N W OF 168W WINDS TO 25 KT. SEAS
TO 3 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 64N167W 999
MB. WITHIN 480 NM SE AND S QUADRANTS AND N OF 63N W OF ALASKA
WINDS 20 TO 30 KT. SEAS TO 3 M...HIGHEST S QUADRANT.
.48 HOUR FORECAST COMPLEX LOW N OF THE AREA WITH NEW INLAND LOW
TO FORM NEAR 58N152W 1010 MB. WITHIN 960 NM S...600 NM SW
QUADRANTS AND IN THE BERING SEA NE AND E OF A LINE FROM 55N163W
TO 65N168W WINDS 20 TO 30 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM NW OF
A LINE FROM 53N141W TO 46N151W AND IN THE BERING SEA N OF 52N W
OF 171W.
.24 HOUR FORECAST DENSE FOG FROM 52N TO 58N BETWEEN 165W AND
170W...WITHIN 180 NM N AND NE OF A LINE FROM 52N170W TO 54N173E
AND N OF 63N W OF ALASKA.
.48 HOUR FORECAST DENSE FOG WITHIN 60 NM NW OF A LINE FROM
54N140W TO 51N145W AND IN THE BERING SEA N OF 52N W OF 175W.

.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 FRI AUG 21.
24 HOUR FORECAST VALID 0000 UTC SAT AUG 22.
48 HOUR FORECAST VALID 0000 UTC SUN AUG 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 12N97W TO 13N99W TO 12N102W TO 10N99W TO 09N96W TO
10N95W TO 12N97W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE
SWELL.
.24 HOUR FORECAST WITHIN 15N102W TO 14N105W TO 08N102W TO
10N100W TO 11N100W TO 15N102W SE TO S WINDS 20 TO 25 KT. SEAS 2.5
TO 3.0 M.
.48 HOUR FORECAST WITHIN 17N107W TO 17N110W TO 13N110W TO
10N111W TO 09N109W TO 11N106W TO 17N107W SE TO S WINDS 20 TO 30
KT. SEAS 2.5 TO 3.0 M.

.LOW PRES NEAR 08N113.5W 1008 MB. WITHIN 10N112W TO 12N113W TO
11N115W TO 09N115W TO 08N113W TO 08N111W TO 10N112W WINDS 20 TO
25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
10N115.5W 1008 MB. WITHIN 12N114W TO 12N116W TO 11N116W TO
10N116W TO 10N114W TO 11N114W TO 12N114W WINDS 20 TO 25 KT. SEAS
2.5 TO 3.0 M.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
11.5N117W 1007 MB. WITHIN 14N116W TO 15N119W TO 14N121W TO
13N121W TO 12N119W TO 12N116W TO 14N116W NE TO E WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M. WITHIN 13N113W TO 12N116W TO 10N117W TO
04N117W TO 05N114W TO 07N109W TO 13N113W S WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M.

.WITHIN 01N107W TO 04N111W TO 02N128W TO 00N131W TO 03.4S115W TO
03.4S91W TO 01N107W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL.
.24 HOUR FORECAST WITHIN 03N109W TO 07N106W TO 07N116W TO
00N118W TO 03S111W TO 01S105W TO 03N109W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN SE SWELL.
.48 HOUR FORECAST CONDITIONS MERGED WITH AREA ABOVE.

.WITHIN 16N94.5W TO 16N95W TO 15.5N95.5W TO 15N95.5W TO 15N95W
TO 15.5N94.5W TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC...
N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 11N86W TO 12N87W TO 12N88W TO 11N88W TO 10N88W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 11N88W TO 10N87W TO
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20
TO 25 KT. SEAS LESS THAN 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 0230 UTC FRI AUG 21...

.TROPICAL WAVE ALONG 85W...SCATTERED MODERATE TO STRONG S OF 09N
AND E OF 89W.

.TROPICAL WAVE ALONG 100W...SCATTERED MODERATE TO STRONG FROM
05N TO 15N BETWEEN 94W AND 110W.

.TROPICAL WAVE ALONG 114W...WITH LOW PRES NEAR 07.5N114W...1008
MB. SCATTERED MODERATE TO STRONG FROM 02N TO 16N BETWEEN 111W
AND 120W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 08N137W. SCATTERED MODERATE WITHIN
200 NM ON EITHER SIDE OF TROUGH.

.FORECASTER ERA. NATIONAL HURRICANE CENTER.

$$