311
FZPN01 KWBC 020417
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SAT AUG 02 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0000 UTC AUG 02.
24 HOUR FORECAST VALID 0000 UTC AUG 03.
48 HOUR FORECAST VALID 0000 UTC AUG 04.

.WARNINGS.

...GALE WARNING...
.42 HOUR FORECAST LOW 42N160E 990 MB. WITHIN 180 NM SE
SEMICIRCLE WINDS 35 TO 45 KT. SEAS 3 TO 7 M.
.48 HOUR FORECAST LOW 42N162E 993 MB. WITHIN 120 NM S AND 60 NM
N SEMICIRCLES WINDS 30 TO 45 KT. SEAS 4 TO 6.5 M. ELSEWHERE FROM
35N TO 46N W OF 167E WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.

.SYNOPSIS AND FORECAST.

.LOW 56N179E 981 MB MOVING NEARLY STATIONARY. WITHIN 420 NM SW
AND 540 NM NE SEMICIRCLES WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5
M...HIGHEST S OF ALEUTIAN ISLANDS. ELSEWHERE N OF 44N BETWEEN
165W AND 169E WINDS LESS 25 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 57N179E 990 MB. WITHIN 600 NM SE
SEMICIRCLE...AND BETWEEN 120 NM AND 300 NM N QUADRANT WINDS TO
25 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW 57N177W 995 MB. BETWEEN 240 NM AND 420 NM
S QUADRANT WINDS TO 25 KT. SEAS TO 3 M.

.LOW 40N178E 1005 MB MOVING NE 30 KT. FROM 35N TO 44N BETWEEN
170W AND 173W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 48N168W 1011 MB. WITHIN 120 NM S AND SE OF
A LINE FROM 48N164W TO LOW CENTER TO 41N178W WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW 51N150W 1007 MB. FROM 44N TO 51N BETWEEN
143W AND 165W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

.FROM 32N TO 43N BETWEEN 119W AND 125W WINDS 20 TO 30 KT. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST FROM 32N TO 43N BETWEEN 119W AND 126W WINDS 20
TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST FROM 31N TO 39N BETWEEN 119W AND 125W WINDS 20
TO 30 KT. SEAS TO 3 M.

.24 HOUR FORECAST NEW LOW 37N177E 1011 MB. S OF 41N BETWEEN 180W
AND 169E WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 41N179E 1011 MB. WITHIN 120 NM SE
SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M.

.48 HOUR FORECAST NEW LOW 35N 172E 1010 MB. WITHIN 180 NM SE
SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 55N
BETWEEN 156W AND 168W...AND WITHIN 300 NM N AND NE OF A LINE
FROM 54N170W TO 57N175W TO 58N178E TO 55N177E.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 49N BETWEEN 152W AND
172W...AND FROM 49N TO 53N W OF 177E...AND N OF 61N W OF 168W
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM NW OF A LINE FROM
48N142W TO 42N167W...AND FROM 40N TO 47N W OF 164E...AND FROM
49N TO 53N W OF 176W...AND FROM 53N TO 61N BETWEEN 169W AND 176W.

.FORECASTER POCHE. OCEAN PREDICTION CENTER.

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 SAT AUG 2.
24 HOUR FORECAST VALID 0000 UTC SUN AUG  3.
48 HOUR FORECAST VALID 0000 UTC MON AUG  4.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GIL NEAR 16.5N 125.1W 991 MB AT 0300 UTC AUG 02
MOVING WNW OR 290 DEG AT 17 KT. MAXIMUM SUSTAINED WINDS 65 KT
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM E
SEMICIRCLE...50 NM SW QUADRANT AND 90 NM NW QUADRANT.  SEAS 4 M
OR GREATER WITHIN 300 NM NE QUADRANT...270 NM SE QUADRANT...120
NM SW QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 9.0 M.
ELSEWHERE WITHIN 19N121W TO 21N124W TO 21N129W TO 17N128W TO
14N124W TO 16N121W TO 19N121W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0
M. REMAINDER AREA WITHIN 24N116W TO 24N128W TO 06N128W TO 11N118W
TO 16N114W TO 24N116W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SWELL.
.24 HOUR FORECAST HURRICANE GIL NEAR 19.0N 130.9W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM NE QUADRANT...80 NM SE QUADRANT...50 NM SW
QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 270
NM E SEMICIRCLE...210 NM SW QUADRANT...AND 180 NM NW QUADRANT
WITH SEAS TO 8.5 M. ELSEWHERE WITHIN 22N128W TO 24N132W TO
22N136W TO 19N135W TO 18N130W TO 19N128W TO 22N128W WINDS 20 TO
33 KT. SEAS 3.0 TO 4.0 M. REMAINDER AREA WITHIN 19N122W TO
26N128W TO 23N140W TO 13N140W TO 15N136W TO 09N129W TO 19N122W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.36 HOUR FORECAST TROPICAL STORM GIL NEAR 20.2N 134.1W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT.
.48 HOUR FORECAST POST-TROPICAL GIL NEAR 21.1N 136.9W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM N SEMICIRCLE...30 NM SE QUADRANT AND 0 NM SW
QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NM NE QUADRANT...150 NM
SE QUADRANT...180 NM SW QUADRANT...AND 210 NM NW QUADRANT WITH
SEAS TO 5.5 M. ELSEWHERE WITHIN 25N135W TO 25N139W TO 24N140W TO
21N140W TO 20N137W TO 23N133W TO 25N135W WINDS 20 TO 33 KT. SEAS
2.5 TO 4.0 M. REMAINDER AREA WITHIN 25N129W TO 28N133W TO 27N140W
TO 12N140W TO 10N137W TO 15N132W TO 25N129W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 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.

.SYNOPSIS AND FORECAST.

.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 30
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 22N130W TO 24N133W TO 24N140W TO 11N140W TO 13N131W TO
22N130W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH GIL ABOVE.

.WITHIN 05N93W TO 07N100W TO 03.4S100W TO 03.4S87W TO 00N92W TO
05N93W...EXCEPT LEE OF GALAPAGOS ISLANDS... WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 02S80W TO 02S120W TO 03.4S120W TO
02S80W...INCLUDING THE GULF OF GUAYAQUIL AND EXCEPT LEE OF
GALAPAGOS ISLANDS... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.48 HOUR FORECAST WITHIN 02N111W TO 05N125W TO 00N130W TO
00N120W TO 03.4S120W TO 03.4S105W TO 02N111W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.

.48 HOUR FORECAST WITHIN 17N117W TO 17N119W TO 15N120W TO
13N119W TO 12N118W TO 14N116W TO 17N117W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN SE TO S SWELL.

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

CONVECTION VALID AT 0250 UTC SAT AUG 2...

.HURRICANE GIL...SCATTERED TO NUMEROUS MODERATE TO STRONG
CONVECTION FROM 14N TO 17.5N BETWEEN 122W AND 126W. SCATTERED
MODERATE ISOLATED STRONG ELSEWHERE FROM 10N TO 20N BETWEEN 118W
AND 127W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N85W TO 09N104W TO 11N111W. IT RESUMES
FROM 12N126W TO 07N140W. SCATTERED MODERATE ISOLATED STRONG
FROM 04N TO 10N BETWEEN 92W AND 98W...FROM 05N TO 17N BETWEEN
100W AND 112W...AND FROM 05N TO 10N BETWEEN 130W AND 140W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.