942
FZPN01 KWBC 210932
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC AUG 21.
24 HOUR FORECAST VALID 0600 UTC AUG 22.
48 HOUR FORECAST VALID 0600 UTC AUG 23.

.WARNINGS.

...HURRICANE WARNING...
.24 HOUR FORECAST HURRICANE LALA NEAR 29.8N 171.7W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 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 240
NM NE AND 180 NM NW QUADRANTS WITH SEAS TO 12.5 M. ELSEWHERE S OF
40N W OF 165W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST HURRICANE LALA NEAR 31.8N 173.6W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NW AND SE QUADRANTS...150 NM NE QUADRANT AND 100
NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 300 NM N...180 NM
E...S...240 NM W AND 300 NM NW QUADRANTS WITH SEAS TO 10 M.
ELSEWHERE S OF 40N W OF 160W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.LOW 59N152W 1013 MB MOVING NE 10 KT. WITHIN 180 NM SE QUADRANT
AND WITHIN 180 NM SE OF A FRONT FROM 55N144W TO 42N156W WINDS TO
25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.

.COMPLEX LOW WITH MAIN LOW 41N153W 1019 MB MOVING NE 25 KT.
WITHIN 420 NM N AND NE OF A LINE FROM 30N180W TO 37N169W TO THE
LOW WINDS TO 25 KT. SEAS TO 2.5 M.
 .24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW NEAR 47N150W 1016
MB. WITHIN 300 NM N OF A LINE FROM 37N165W TO 41N152W TO THE LOW
WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 57N148W 1010 MB. WITHIN 1020 NM S...840 NM
SW AND 780 NM NW QUADRANTS AND WITHIN 180 NM E AND SE OF A LINE
FROM 50N141W TO 42N144W TO 37N152W WINDS TO 25 KT. SEAS TO 2.5
M.

.FROM 47N TO 53N E OF 130W AND FROM 32N TO 35N E OF 124W AREA OF
NW WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST FROM 43N TO 52N BETWEEN 128W AND 133W AND FROM
32N TO 35N E OF 125W AREA OF NW TO N WINDS TO 25 KT. SEAS TO 2.5
M.
.48 HOUR FORECAST FROM 30N TO 48N E OF 131W AREA OF NW WINDS TO
25 KT. SEAS TO 3 M.

.COMPLEX LOW JUST NW OF AREA WITH MAIN CENTER 63N177W MOVING E 15
KT. IN THE BERING SEA N OF 52N W OF 166W WINDS TO 25 KT. SEAS TO
2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 63N164W 999
MB. WITHIN 720 NM S AND SW...300 NM W AND 240 NM NW QUADRANTS
WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST COMPLEX LOW N OF THE AREA WITH NEW LOW TO FORM
NEAR 58N148W 1010 MB. IN THE BERING SEA N OF 52N W OF 172W AREA
OF S 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 40N158W TO 54N141W AND IN THE BERING SEA FROM 52N TO
63N W OF 167W.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM NW OF A LINE FROM
51N164W TO 57N156W AND IN THE BERING SEA N OF 52N W OF 177E.
.48 HOUR FORECAST DENSE FOG IN THE BERING SEA FROM 52N TO 60N W
OF 173W.

.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 0600 UTC FRI AUG 21.
24 HOUR FORECAST VALID 0600 UTC SAT AUG 22.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 13N97W TO 13N102W TO 12N105W TO 11N102W TO 10N97W TO
10N96W TO 13N97W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 15N102W TO 16N103W TO 15N106W TO
13N106W TO 13N104W TO 13N102W TO 15N102W SE WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 19N107W TO 20N110W TO 18N112W TO
14N111W TO 15N108W TO 16N107W TO 19N107W SE TO S WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M IN SE TO S SWELL.

.LOW PRES NEAR 8.5N115W 1009 MB. WITHIN 10N112W TO 12N113W TO
11N115W TO 09N115W TO 08N113W TO 08N111W TO 10N112W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
10N116W 1008 MB. WITHIN 12N116W TO 13N116W TO 13N117W TO 13N118W
TO 12N118W TO 11N117W TO 12N116W WINDS 20 TO 25 KT. SEAS 2.5 TO
3.0 M IN S SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
13N116W 1007 MB. WITHIN 14N113W TO 14N116W TO 10N118W TO 07N117W
TO 05N115W TO 07N112W TO 14N113W WINDS 20 TO 30 KT. SEAS 2.5 TO
3.0 M.

.WITHIN 01N107W TO 06N114W TO 02N118W TO 00N131W TO 03S116W 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 06N109W 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 16N94W TO 16N95W TO 15N96W TO 15N95W TO 15N94W TO
16N94W...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 WITHIN 16N94W TO 16N95W TO 15N96W TO 15N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS
20 TO 25 KT. SEAS 2.5 M.

.WITHIN 11N86W TO 12N87W TO 12N88W TO 11N89W TO 10N89W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 11N87W TO 11N88W TO 11N89W TO 10N87W TO
11N86W TO 11N87W...INCLUDING THE GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

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

CONVECTION VALID AT 0830 UTC FRI AUG 21...

.TROPICAL WAVE ALONG 87W...SCATTERED SHOWERS ALONG WAVE AXIS.

.TROPICAL WAVE ALONG 100W...SCATTERED MODERATE TO STRONG FROM
06N TO 15N BETWEEN 95W AND 107W.

.TROPICAL WAVE ALONG 115W...LOW PRES NEAR 8.5N115W 1009 MB.
SCATTERED SHOWERS ALONG WAVE AXIS.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 08N136W. SCATTERED MODERATE WITHIN
200 NM ON EITHER SIDE OF TROUGH.


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

$$