High Seas Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Graphics & Text |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
985
FZPN02 KWBC 181725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SAT MAY 18 2024

CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAY 18.
24 HOUR FORECAST VALID 1200 UTC MAY 19.
48 HOUR FORECAST VALID 1200 UTC MAY 20.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 58N175W 1006 MB MOVING E 20 KT AND
SECOND LOW 55N162W 1003 MB MOVING NE 20 KT. WITHIN 300 NM NE...
540 NM SE...360 NM SW...AND 660 NM NW QUADRANTS OF SECOND LOW
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.18 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 57N155W 1001 MB.
WITHIN 360 NM NE...540 NM SE...AND 420 NM SW QUADRANTS WINDS 25
TO 40 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST COMBINED LOW 58N151W 1002 MB.  WITHIN 420 NM
NE...540 NM SE...AND 480 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS
8 TO 13 FT.
.48 HOUR FORECAST COMBINED LOW 59N142W 1014 MB. FROM 46N TO 60N
BETWEEN 136W AND 150W WINDS TO 25 KT. SEAS TO 11 FT.

...GALE WARNING...
.FROM 35N TO 44N BETWEEN 124W AND 130W AREA OF N WINDS 20 TO 30
KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST FROM 35N TO 44N BETWEEN 123W AND 130W AREA OF N
WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.36 HOUR FORECAST FROM 34N TO 44N BETWEEN 121W AND 130W AREA OF N
WINDS 25 TO 35 KT. SEAS 8 TO 14 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 32N169W 998 MB NEARLY STATIONARY. FROM 30N TO 40N BETWEEN
152W AND 180W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 33N168W 1004 MB. FROM 30N TO 40N BETWEEN
153W AND 172W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 33N167W 1010 MB. BETWEEN 360 NM AND 840 NM
E QUADRANT WINDS 20 TO 30 KT. SEAS TO 11 FT.

.LOW NW OF AREA NEAR 53N162E 999 MB MOVING NE 05 KT. N OF 43N W
OF 174E WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW NW OF AREA NEAR 54N163E 996 MB. WITHIN 720
NM NE...AND 660 NM S QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 8
FT.
.48 HOUR FORECAST LOW NW OF AREA NEAR 55N167E 999 MB. FROM 47N TO
59N W OF 160W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.LOW 52N130W 1019 MB MOVING SE 15 KT. WITHIN 420 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW DISSIPATED. N OF 45N E OF 131W WINDS TO 25
KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 45N TO 50N E OF 130W WINDS LESS THAN 25
KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 39N TO 42N
BETWEEN 160W AND 171W...FROM  47N TO 51N BETWEEN 154W AND
159W...WITHIN 300 NM NE OF A LINE FROM 54N164W TO 60N177W...AND
FROM 40N TO 53N W OF 173E.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 48N BETWEEN 155W AND
170W...FROM 45N TO 52N BETWEEN 171W AND 180W...FROM 53N TO 56N W
OF 176W...AND N OF 59N BETWEEN 144W AND ALASKA.
.48 HOUR FORECAST DENSE FOG FROM 55N TO 59N W OF 166W...N OF 60N
BETWEEN 166W AND 172W...FROM 50N TO 54N BETWEEN 160W AND
166W...AND WITHIN AN AREA BOUNDED BY A LINE FROM 38N162W TO
52N134W TO 52N158W TO 45N169W TO 38N162W.

.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 1200 UTC SAT MAY 18.
24 HOUR FORECAST VALID 1200 UTC SUN MAY 19.
48 HOUR FORECAST VALID 1200 UTC MON MAY 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 11N134W TO 14N137W TO 14N140W TO 06N140W TO 08N134W TO
11N134W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E SWELL.
.24 HOUR FORECAST WITHIN 10N109W TO 17N140W TO 04N140W TO
05N125W TO 03.4S120W TO 03.4S92W TO 10N109W...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 18N130W TO 20N134W TO 18N140W TO
05N140W TO 07N129W TO 10N126W TO 18N130W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN NE SWELL.

.WITHIN 04N115W TO 01N120W TO 00N130W TO 01S120W TO 03.4S120W TO
03.4S101W TO 04N115W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S
TO SW SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH SECTION ABOVE.
.36 HOUR FORECAST WITHIN 10N103W TO 13N106W TO 10N121W TO
07N121W TO 04N114W TO 05N109W TO 10N103W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN S TO SW SWELL. WITHIN 00N95W TO 04N99W TO
04N108W TO 03.4S109W TO 03.4S87W TO 00N95W...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 02S86W TO 01S94W TO 01S98W TO 03.4S105W
TO 03.4S85W TO 02S86W...INCLUDING EXCEPT LEE OF GALAPAGOS
ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.
WITHIN 04N95W TO 07N102W TO 05N106W TO 02N105W TO 01N99W TO
02N95W TO 04N95W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW
SWELL.

.33 HOUR FORECAST WITHIN 30N116W TO 29N116W TO 28N116W TO
27N115W TO 28N114W TO 30N116W...INCLUDING SEBASTIAN VIZCAINO
BAY... NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.39 HOUR FORECAST WITHIN 29N114W TO 30N116W TO 29N117W TO
27N116W TO 25N113W TO 27N113W TO 29N114W...INCLUDING THE GULF OF
CALIFORNIA AND SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF
SHORE... NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 26N112W TO 27N114W TO 25N114W TO
24N113W TO 24N112W TO 25N112W TO 26N112W...INCLUDING WITHIN 60
NM OF SHORE...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.45 HOUR FORECAST WITHIN 30N122W TO 30N132W TO 29N129W TO
29N125W TO 30N122W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N
SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 1550 UTC SAT MAY 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N84W TO 15N100W TO LOW PRESSURE NEAR
11N106W 1009 MB TO 07N120W. ITCZ FROM 07N120W TO BEYOND 06N140W.
SCATTERED MODERATE ISOLATED STRONG FROM 01N TO 09N E OF 90W.
SCATTERED MODERATE N OF 10N BETWEEN 91W AND 100W...FROM 07N TO
13N BETWEEN 105W AND 111W...AND FROM 02N TO 07N W OF 128W.

.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC MAY 18 2024.
24 HOUR FORECAST VALID 1200 UTC MAY 19 2024.
48 HOUR FORECAST VALID 1200 UTC MAY 20 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N158W 20N163W 15N168W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 180 NM E OF TROUGH N OF 17N.
.24 HOUR FORECAST TROUGH 30N160W 25N162W 20N165W 15N173W.
.48 HOUR FORECAST TROUGH 30N159W 20N167W 15N175W.

.WINDS 20 TO 25 KT N OF 26N BETWEEN 177W AND 163W...AND N OF 26N
BETWEEN 157W AND 153W. E WINDS 20 TO 25 KT FROM 07N TO 15N BETWEEN
156W AND 145W...AND FROM 10N TO 24N BETWEEN 163E AND 173E.
.24 HOUR FORECAST WINDS 20 TO 30 KT N OF 25N BETWEEN 160W AND
154W. WINDS 20 TO 25 KT N OF 29N BETWEEN 168W AND 165W. E WINDS 20
TO 25 KT W OF LINE 22N160E 13N170E 10N170E 10N160E.
.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 28N BETWEEN 159W AND
154W. E WINDS 20 TO 25 KT FROM 07N TO 18N BETWEEN 165W AND 152W.

.OTHERWISE..WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 12 TO 14 FT N OF 27N BETWEEN 177W AND 171W. SEAS 8 TO 12 FT
ELSEWHERE IN AREA BOUNDED BY 30N173E 30N152W 06N180W 11N160E
26N160E 26N170E 30N173E. SEAS 8 TO 10 FT IN AREA BOUNDED BY
19N165W 20N150W 14N140W 06N140W 02N150W 09N165W 19N165W.
.24 HOUR FORECAST SEAS 8 TO 11 FT N OF LINE 30N167W 25N159W
30N154W. SEAS 8 TO 10 FT FROM 10N TO 23N W OF 178W...AND FROM 05N
TO 18N E OF 166W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 10N TO 20N W OF 165E...FROM
07N TO 18N E OF 167W...AND N OF 29N BETWEEN 159W AND 155W.

.OTHERWISE...SEAS 8 FT OR LESS OVER REMAINDER OF FORECAST AREA.

.ITCZ 06N140W 03N149W 05N156W 05N161W 08N170W 09N174W 07N177E
05N172E 03N165E. SCATTERED MODERATE TSTMS WITHIN 150 NM N AND 60
NM S OF ITCZ BETWEEN 162W AND 149W...AND WITHIN 90 NM S OF ITCZ E
OF 145W. ISOLATED TO SCATTERED MODERATE TSTMS WITHIN 240 NM N AND
180 NM S OF ITCZ W OF 162W.

.ISOLATED MODERATE TSTMS S OF 16N W OF 166E.

$$

.FORECASTER JELSEMA. HONOLULU HI.