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FZPN01 KWBC 181606
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC TUE JUN 18 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 
[email protected](LOWERCASE).

THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
JULY 29 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE OFFSHORE AND HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT (WEB ADDRESS LOWERCASE)
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP

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 1200 UTC JUN 18. 
24 HOUR FORECAST VALID 1200 UTC JUN 19.
48 HOUR FORECAST VALID 1200 UTC JUN 20.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER 40N171E 1000 MB MOVING NE 30 KT. W
OF A LINE FROM 44N173E TO 38N179W TO 32N179W WINDS 20 TO 30 KT.
SEAS TO 13 FT.
.24 HOUR FORECAST COMBINED LOW 43N172W 999 MB. WITHIN AN AREA
BOUNDED BY A LINE FROM 33N177W TO 45N173W TO 42N157W TO 33N169W
TO 33N177W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT...EXCEPT SEAS LESS
THAN 8 FT N OF LOW CENTER.
.48 HOUR FORECAST LOW 48N161W 997 MB. WITHIN 180 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN AN AREA
BOUNDED BY A LINE FROM 38N164W TO 48N166W TO 52N159W TO 49N146W
TO 41N153W TO 38N164W WINDS 20 TO 30 KT. SEAS TO 11 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW W OF AREA NEAR 40N157E 997 MB WITHIN 300 NM
NE...AND 360 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 41N167E 997 MB. WITHIN 300 NM NE...480 NM
SE...300 NM SW...AND 180 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS
8 TO 15 FT.

.SYNOPSIS AND FORECAST.

.FROM 30N TO 42N BETWEEN 120W AND 127W WINDS 20 TO 30 KT. SEAS TO
9 FT.
.24 HOUR FORECAST FROM 31N TO 43N BETWEEN 120W AND 126W WINDS TO
25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 32N TO 42N BETWEEN 118W AND 127W WINDS TO
25 KT. SEAS TO 8 FT.

.LOW 47N149W 1008 MB MOVING NE 10 KT. WITHIN 240 NM NE OF A LINE
FROM 50N150W TO 44N142W WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 51N146W 1011 MB. WITHIN 180 NM NE
SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 54N144W 1014 MB. ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 54N161W 1007 MB MOVING W 10 KT. WITHIN 180 NM NE OF A LINE
FROM 56N160W TO 50N150W WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 54N170W 1008 MB. ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 42N136W 1013 MB MOVING SE 15 KT. WITHIN 240 NM NE SEMICIRCLE
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 41N163W 1014 MB MOVING NE 20 KT. WITHIN 300 NM S QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 38N TO 48N
BETWEEN 150W AND 142W...AND FROM 37N TO 41N BETWEEN 168W AND
158W.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 45N BETWEEN 175W AND
150W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 53N BETWEEN 163W AND
147W.

.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 1200 UTC TUE JUN 18.
24 HOUR FORECAST VALID 1200 UTC WED JUN 19.
48 HOUR FORECAST VALID 1200 UTC THU JUN 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 14N93W TO 16N97W TO 15N100W TO 13N104W TO 10N96W TO 
14N93W...INCLUDING THE W GULF OF TEHUANTEPEC...SW TO W WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 13N88W TO 16N94W TO 
11N99W TO 13N104W TO 10N109W TO 08N96W TO 13N88W...INCLUDING THE 
E GULF OF TEHUANTEPEC...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
SW SWELL.
.24 HOUR FORECAST WITHIN 16N97W TO 13N101W TO 09N101W TO 09N95W 
TO 11N94W TO 11N89W TO 16N97W...INCLUDING THE W GULF OF 
TEHUANTEPEC...SW TO W WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. 
ELSEWHERE WITHIN 13N89W TO 16N94W TO 16N100W TO 10N106W TO 07N96W
TO 09N90W TO 13N89W...INCLUDING THE E GULF OF 
TEHUANTEPEC...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW SWELL.
.48 HOUR FORECAST WITHIN 10N92W TO 12N97W TO 10N104W TO 08N103W 
TO 07N96W TO 09N94W TO 10N92W SW TO W WINDS 20 TO 25 KT. SEAS 9 
TO 11 FT. ELSEWHERE WITHIN 12N88W TO 15N93W TO 16N108W TO 09N104W
TO 12N98W TO 07N94W TO 12N88W...INCLUDING THE GULF OF 
TEHUANTEPEC...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W SWELL.

.WITHIN 30N117W TO 30N123W TO 27N124W TO 23N122W TO 24N118W TO
30N117W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 02S98W TO 01S105W TO 03S113W TO 03.4S114W TO 03.4S88W TO
02S98W...INCLUDING LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR 
LESS. SEAS 8 FT IN S SWELL.
.24 HOUR FORECAST WITHIN 03S96W TO 02S108W TO 03S114W TO 
03.4S116W TO 03.4S96W TO 03S96W WINDS 20 KT OR LESS. SEAS 8 FT 
IN SE TO S SWELL.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST WITHIN 23N110W TO 22N110W TO 22N109W TO 
23N110W NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
.42 HOUR FORECAST WITHIN 22N108W TO 23N109W TO 23N110W TO 
22N111W TO 21N110W TO 21N108W TO 22N108W W TO NW WINDS 20 TO 25 
KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1530 UTC TUE JUN 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

.NUMEROUS MODERATE ISOLATED STRONG FROM 10N TO 16N BETWEEN 89W 
AND 99W.

THE MONSOON TROUGH AXIS EXTENDS 05N104W TO 09N120W TO 06N130W TO 
05N136W. ITCZ EXTENDS FROM 05N136W TO BEYOND 06N140W. SCATTERED 
MODERATE TO STRONG WITHIN 120 NM S OF TROUGH BETWEEN 121W AND 
124W. SCATTERED MODERATE WITHIN 60 NM S OF TROUGH BETWEEN 119W 
AND 124W.



.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

$$