394
FZPN01 KWBC 182153
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT MAY 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 1800 UTC MAY 18.
24 HOUR FORECAST VALID 1800 UTC MAY 19.
48 HOUR FORECAST VALID 1800 UTC MAY 20.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 56N159W 1000 MB MOVING NE 15 KT.
WITHIN 240 NM NE... 540 NM SE...420 NM SW...AND 480 NM NW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.12 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 57N154W 1001 MB.
WITHIN 360 NM NE...600 NM SE...AND 420 NM SW QUADRANTS WINDS 25
TO 40 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST COMBINED LOW 58N150W 1005 MB.  WITHIN 420 NM
NE...540 NM SE...AND 360 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS
8 TO 14 FT.
.48 HOUR FORECAST COMBINED LOW 58N140W 1015 MB. FROM 52N TO 60N
BETWEEN 133W AND 146W WINDS LESS THAN 25 KT. SEAS TO 9 FT.

...GALE WARNING...
.FROM 34N TO 43N BETWEEN 124W AND 130W AREA OF N WINDS 20 TO 30
KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST FROM 33N TO 43N BETWEEN 122W AND 130W AREA OF N
WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.36 HOUR FORECAST FROM 33N TO 44N BETWEEN 120W AND 130W AREA OF N
WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST FROM 32N TO 44N BETWEEN 120W AND 130W AREA OF
NW WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.

.SYNOPSIS AND FORECAST.

.LOW 31N169W 1000 MB NEARLY STATIONARY. FROM 30N TO 40N BETWEEN
153W AND 177W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW 33N167W 1006 MB. FROM 30N TO 40N BETWEEN
151W AND 170W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 34N167W 1011 MB. BETWEEN 360 NM AND 900 NM
E QUADRANT WINDS 20 TO 30 KT. SEAS TO 11 FT.

.LOW NW OF AREA NEAR 53N163E 998 MB MOVING NE 05 KT. N OF 44N W
OF 177E WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW NW OF AREA NEAR 54N165E 991 MB. WITHIN 660
NM E...AND 600 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW NW OF AREA NEAR 57N179E 991 MB. FROM 46N TO
61N BETWEEN 165W AND 162E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.FROM 46N TO 52N E OF 140W AREA OF NW WINDS LESS THAN 25 KT. SEAS
TO 8 FT.
.24 HOUR FORECAST N OF 43N E OF 130W AREA OF NW WINDS LESS THAN
25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST NEW LOW 52N138W 1018 MB. WITHIN 360 NM S
SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 42N
BETWEEN 161W AND 167W...FROM 50N TO 52N BETWEEN 152W AND
157W...WITHIN 300 NM NE OF A LINE FROM 55N163W TO 60N176W...AND
FROM 40N TO 54N W OF 175E.
.24 HOUR FORECAST DENSE FOG FROM 38N TO 49N BETWEEN 150W AND
174W...FROM 53N TO 57N W OF 174W...AND N OF 61N BETWEEN 169W AND
ALASKA.
.48 HOUR FORECAST DENSE FOG N OF THE ALEUTIANS W OF 165W...AND
WITHIN AN AREA BOUNDED BY A LINE FROM 37N163W TO 51N133W TO
53N137W TO 56N160W TO 54N165W TO 44N170W TO 37N163W.

.FORECASTER EHRBAR. 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 1800 UTC SAT MAY 18.
24 HOUR FORECAST VALID 1800 UTC SUN MAY 19.
48 HOUR FORECAST VALID 1800 UTC MON MAY 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 14N130W TO 14N140W TO 05N140W TO 05N129W TO 10N125W TO
14N130W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 09N104W TO 19N140W TO 05N140W TO
05N123W TO 03S117W TO 03.4S91W TO 09N104W...INCLUDING EXCEPT LEE
OF GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S
TO SW SWELL.
.48 HOUR FORECAST WITHIN 15N127W TO 20N132W TO 22N140W TO
06N140W TO 07N132W TO 15N127W NE TO E WINDS 20 TO 25 KT. SEAS 8
TO 10 FT IN NE SWELL.

.WITHIN 01N111W TO 06N113W TO 08N124W TO 00N132W TO 03.4S120W TO
03.4S96W TO 01N111W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO
SW SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH SECTION ABOVE.
.48 HOUR FORECAST WITHIN 05N94W TO 05N102W TO 02N103W TO 00N100W
TO 00N98W TO 02N93W TO 05N94W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN S TO SW SWELL. WITHIN 01S88W TO 02S93W TO 02S99W TO
03.4S106W TO 03.4S85W TO 01S88W...INCLUDING EXCEPT LEE OF
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO
SW SWELL.

.WITHIN 10N102W TO 12N105W TO 09N109W TO 07N108W TO 08N104W TO
10N102W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.
.18 HOUR FORECAST CONDITIONS MERGED. WINDS 20 KT OR LESS. SEAS 8
FT IN S TO SW SWELL.

.30 HOUR FORECAST WITHIN 29N115W TO 30N116W TO 29N117W TO
28N117W TO 27N116W TO 28N114W TO 29N115W...INCLUDING SEBASTIAN
VIZCAINO BAY...NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.45 HOUR FORECAST WITHIN 25N113W TO 26N116W TO 24N118W TO
22N119W TO 21N117W TO 23N113W TO 25N113W...INCLUDING WITHIN 60 NM
OF SHORE...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N
SWELL.
.48 HOUR FORECAST WITHIN 24N113W TO 27N116W TO 24N120W TO
18N122W TO 18N119W TO 24N113W...INCLUDING WITHIN 60 NM OF
SHORE...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.

.39 HOUR FORECAST WITHIN 30N122W TO 30N130W TO 29N126W TO
29N125W TO 30N122W WINDS 20 KT OR LESS. SEAS 8 FT IN N SWELL.
.48 HOUR FORECAST WITHIN 30N120W TO 30N134W TO 29N132W TO
27N124W TO 30N120W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N
SWELL.

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

CONVECTION VALID AT 2130 UTC SAT MAY 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 14N100W TO LOW PRESSURE 1010 MB
NEAR
10N106W TO 07N120W. ITCZ FROM 07N120W TO BEYOND 06N140W.
SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 09N E OF 91W.
SCATTERED MODERATE FROM 08N TO 16N BETWEEN 93W AND 102W...AND
FROM 08N TO 13N BETWEEN 104W AND 111W.


.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

$$