High Seas Forecast
Issued by NWS

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000
FZPN02 KWBC 242325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC SAT JUN 24 2017

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

SYNOPSIS VALID 1800 UTC JUN 24.
24 HOUR FORECAST VALID 1800 UTC JUN 25.
48 HOUR FORECAST VALID 1800 UTC JUN 26.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 54N177E 995 MB MOVING N 15 KT...THEN
MOVING SE 20 KT AFTER 24 HOURS. FROM 40N TO 48N BETWEEN 166W AND
176W WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE BETWEEN 240
NM AND 780 NM S...780 NM SE AND 660 NM NE QUADRANTS WINDS 20 TO
30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 57N178W 993 MB.
FRONT TO EXTEND FROM LOW TO 54N170W TO 52N164W TO 45N166W TO
39N172W. WITHIN 240 NM NE AND E OF FRONT N OF 46N WINDS 25 TO 35
KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 420 NM S AND 480 NM
SW...480 NM NE AND 720 NM SE QUADRANTS...AND OUT TO 300 NM E OF
FRONT WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 59N180W 990 MB. FRONT TO EXTEND FROM
63N174W TO 60N164W AND FROM 55N155W TO 50N158W TO 42N164W.
BETWEEN 180 NM AND 660 NM S QUADRANT AND 120 NM N OF FRONT W OF
164W...AND 240 NM E OF FRONT S OF 55N WINDS TO 25 KT. SEAS TO 10
FT.

...GALE WARNING...
.48 HOUR FORECAST LOW 41N163E 1003 MB. FRONT FROM LOW TO 41N180W
TO 42N170W. WITHIN 360 NM S AND SE QUADRANTS WINDS 25 TO 35 KT.
SEAS 8 TO 14 FT. ELSEWHERE WITHIN 300 NM S OF FRONT WINDS 20 TO
30 KT. SEAS TO 9 FT.

.SYNOPSIS AND FORECAST.

.BOGOSLOF VOLCANO AT 53.92N 168.03W IS IN A STATE OF UNREST.
MARINERS TRAVELING IN THE VICINITY OF BOGOSLOF VOLCANO ARE URGED
TO EXERCISE CAUTION. IF MARINERS ENCOUNTER ANY VOLCANIC
ASH...REPORT THE OBSERVATION TO THE OCEAN PREDICTION CENTER BY
CALLING 301-683-1520.

.LOW 55N143W 1010 MB MOVING E 10 KT. WITHIN 420 NM S AND
SW...240 NM NW AND 300 NM NE QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 11 FT.
.24 HOUR FORECAST LOW 55N138W 1013 MB. WITHIN 420 NM SW QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 34N130W 1012 MB MOVING NW 10 KT. WITHIN 360 NM NW OF A LINE
FROM 32N138W TO 44N125W AREA OF NE WINDS TO 25 KT. SEAS TO 12
FT. .24 HOUR FORECAST LOW 37N133W 1014 MB. WITHIN 480 NM W AND
NW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED. WITHIN 180 NM NW OF A LINE
FROM 49N125W TO 44N126W TO 40N131W WINDS TO 25 KT. SEAS TO 9 FT.

.30 HOUR FORECAST FROM 30N TO 34N E OF 121W WINDS TO 25 KT. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST FROM 30N TO 33N E OF 119W WINDS TO 25 KT. SEAS
LESS THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 36N TO 52N
BETWEEN 169W AND 173E AND N OF 53N BETWEEN 171W AND 179W.
.24 HOUR FORECAST DENSE FOG FROM 38N TO 52N BETWEEN 176W AND
161W...AND FROM 54N TO 61N BETWEEN 170W AND 179E...AND FROM 34N
TO 38N W OF 176E...AND N OF 54N BETWEEN 169E AND 176E.
.48 HOUR FORECAST DENSE FOG FROM 33N TO 43N W OF 178W...AND FROM
39N TO 52N BETWEEN 178W AND 154W...AND FROM 52N TO 56N BETWEEN
155W AND 150W...AND N OF 53N BETWEEN 175E AND 170E.

.HIGH 44N158W 1035 MB MOVING E 15 KT.
.24 HOUR FORECAST HIGH 44N150W 1033 MB.
.48 HOUR FORECAST HIGH 43N146W 1031 MB.

.FORECASTER ROWLAND. 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 1800 UTC SAT JUN 24.
24 HOUR FORECAST VALID 1800 UTC SUN JUN 25.
48 HOUR FORECAST VALID 1800 UTC MON JUN 26.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 13.5N98.5W 1006 MB MOVING WNW 7 KT. WITHIN 120 NM
NE QUADRANT OF LOW CENTER WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
15N102W 1006 MB. WITHIN 120 NM OF LOW CENTER...EXCEPT 60 NM SW
QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
17N106W. WITHIN 90 NM OF LOW CENTER...EXCEPT 120 NE QUADRANT
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.N OF 20N W OF 120W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N
SWELL.
.24 HOUR FORECAST N OF 28N W OF 138W WINDS 20 KT OR LESS. SEAS 8
TO 9 FT IN N SWELL.
.48 HOUR FORECAST 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 2100 UTC SAT JUN 24...

.LOW PRES NEAR 13.5N98.5W...SCATTERED MODERATE TO ISOLATED
STRONG CONVECTION FROM 11N TO 16N BETWEEN 93W AND 101W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO LOW PRESSURE NEAR 13.5N98.5W TO
10N102W TO 09N112W TO 08N120W TO 09N130W. ITCZ FROM 09N130W TO
BEYOND 08N140W. SCATTERED MODERATE TO ISOLATED STRONG FROM 07N
TO 11N BETWEEN 97W AND 105W...AND FROM 07N TO 10N BETWEEN 118W
AND 124W. SCATTERED MODERATE FROM 07N TO 10N W OF 133W.

.FORECASTER GR. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1800 UTC JUN 24 2017.
24 HOUR FORECAST VALID 1800 UTC JUN 25 2017.
48 HOUR FORECAST VALID 1800 UTC JUN 26 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 07N165E TO 02N160E MOVING W 10 KT. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 420 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 08N162E TO 05N160E.
.48 HOUR FORECAST TROUGH MOVED FAR W OF FORECAST AREA.

.TROUGH FROM 30N159W TO 28N162W TO 25N162W MOVING WNW 10 KT.
.24 HOUR FORECAST TROUGH FROM 30N165W TO 25N164W.
.48 HOUR FORECAST WEAK TROUGH FROM 29N169W TO 23N169W.

.TROUGH FROM 27N162E TO 25N160E MOVING NW 10 KT.
.24 HOUR FORECAST TROUGH MOVED FAR W OF FORECAST AREA.

.RIDGE FROM 30N166E TO 29N160E MOVING N SLOWLY.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 8 TO 9 FT N OF 28N E OF 144W.
.24 HOUR FORECAST SEAS 8 TO 9 FT N OF 29N E OF 143W.
.48 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LOWER.

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

.SCATTERED MODERATE TO STRONG TSTMS FROM 07N TO 11N BETWEEN 177E
AND 173E.

.ITCZ FROM 07N140W TO 06N148W TO 06N168W TO 05N177E. NUMEROUS
MODERATE TO STRONG TSTMS WITHIN 180 NM S OF ITCZ E OF 156W.
SCATTERED MODERATE TO LOCALLY STRONG TSTMS WITHIN 240 NM N OF
ITCZ.

$$

.FORECASTER HOUSTON. HONOLULU HI.


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