979
FZPN01 KWBC 181606
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU JUL 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
VOSOPS@NOAA.GOV(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

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

.WARNINGS.

...NONE...

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MAIN LOW 50N166E 999 MB MOVING NE 15 KT AND
SECOND LOW 50N172E 1002 MB MOVING NE 10 KT. FROM 35N TO 55N
BETWEEN 177W TO 170E...AND WITHIN 240 NM N AND W QUADRANTS FROM
MAIN LOW WINDS 20 TO 30 KT. SEAS TO 10 FT...HIGHEST NEAR
46N174E.
.24 HOUR FORECAST COMBINED LOW 53N174E 1000 MB. FROM 40N TO 50N
BETWEEN 176W AND 176E WINDS 20 TO 30 KT. SEAS TO 11 FT. ELSEWHERE
N OF 36N BETWEEN 170W AND 163E WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 53N175E 998 MB. FROM 41N TO 50N BETWEEN
170W AND 179E WINDS 20 TO 30 KT. SEAS TO 11 FT. ELSEWHERE WITHIN
360 NM W OF A LINE FROM 37N179W TO 44N168W TO 54N165W TO
61N172W...AND WITHIN 360 NM W AND SW QUADRANTS WINDS TO 25 KT.
SEAS TO 9 FT.

.LOW 50N154W 1006 MB MOVING SE 10 KT. WITHIN 180 NM NE...300 NM
SE...360 NM SW...AND 240 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS
8 TO 12 FT...HIGHEST NEAR 46N156W.
.24 HOUR FORECAST LOW 49N147W 1008 MB. WITHIN 360 NM SW
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST 51N143W 1011 MB. WITHIN 180 NM NW
QUADRANT...240 NM NE QUADRANT...AND 300 NM S SEMICIRCLE WINDS TO
25 KT. SEAS TO 9 FT.

.LOW 44N134W 1014 MB MOVING N 20 KT. WITHIN 90 NM EITHER SIDE OF
A FRONT EXTENDING FROM LOW TO 41N132W TO 32N141W WINDS LESS THAN
25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

.FROM 33N TO 40N BETWEEN 121W AND 125W AREA OF NW WINDS TO 25 KT.
SEAS TO 9 FT.
.24 HOUR FORECAST FROM 33N TO 41N BETWEEN 120W AND 125W AREA OF
NW WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 32N TO 43N BETWEEN 120W AND 125W AREA OF
NW WINDS 20 TO 30 KT. SEAS TO 10 FT.

.24 HOUR FORECAST N OF 62N W OF 165W AREA OF SW WINDS TO 25 KT.
SEAS TO 8 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.36 HOUR FORECAST NEW LOW 55N139W 1014 MB. FROM 51N TO 58N E OF
138W WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW 56N144W 1015 MB. WITHIN 180 NM NE QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 52N
BETWEEN 172W AND 164E...AND N OF 52N BETWEEN 129W AND 135W.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 57N BETWEEN 166W AND
170E...FROM 52N TO 56N BETWEEN 134W AND 136W...AND FROM 40N TO
49N E OF 128W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 60N BETWEEN 160W AND
176E...AND FROM 38N TO 49N BETWEEN 123W AND 128W.

.FORECASTER ANDERSON. 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 THU JUL 18.
24 HOUR FORECAST VALID 1200 UTC FRI JUL 19.
48 HOUR FORECAST VALID 1200 UTC SAT JUL 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 18N125W TO 20N125W TO 19N128W TO 18N129W TO 16N129W TO
17N126W TO 18N125W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 22N128W TO 22N131W TO 20N132W TO
19N132W TO 18N129W TO 20N127W TO 22N128W NE TO E WINDS 20 TO 25
KT. SEAS 8 FT.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 07N94W TO 07N97W TO 07N101W TO 05N102W TO 04N101W TO
05N94W TO 07N94W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW
SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

CONVECTION VALID AT 1500 UTC THU JUL 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 08N120W. ITCZ FROM 11N132W TO
11N140W. SCATTERED MODERATE TO ISOLATED STRONG FROM 07N TO 13N
BETWEEN 85W AND 105W.


.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$