High Seas Forecast
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974
FZPN02 KWBC 291125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC WED MAR 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAR 29.
24 HOUR FORECAST VALID 0600 UTC MAR 30.
48 HOUR FORECAST VALID 0600 UTC MAR 31.

.WARNINGS.

...STORM WARNING...
.LOW 41N177E 974 MB MOVING NE 25 KT. BETWEEN 180 NM AND 840 NM
SW QUADRANT WINDS 35 TO 50 KT. SEAS 17 TO 34 FT. ELSEWHERE
WITHIN 360 NM NW...720 NM NE...1140 NM SE AND 900 NM SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 22 FT...EXCEPT IN SW
QUADRANT 14 TO 28 FT. ALSO WITHIN 420 NM NW...900 NM NE...1260
NM SE AND 960 NM SW QUADRANTS WINDS TO 25 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW 46N171W 968 MB. BETWEEN 240 NM AND 720 NM
SE...BETWEEN 240 NM AND 960 NM SW QUADRANTS WINDS 35 TO 50 KT.
SEAS 22 TO 40 FT. ELSEWHERE WITHIN 780 NM N AND 1200 NM S
SEMICIRCLES WINDS 25 TO 40 KT. SEAS 10 TO 21 FT...EXCEPT IN SW
QUADRANT 13 TO 26 FT. ALSO WITHIN 900 NM SEMICIRCLE...AND 1500
NM SE AND 1260 NM SW QUADRANTS WINDS TO 25 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 52N162W 967 MB. BETWEEN 360 NM AND 840 NM
NE QUADRANT...BETWEEN 240 NM AND 900 NM SE QUADRANT...AND WITHIN
600 NM NW AND 1200 NM SW QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO
24 FT...EXCEPT IN SW QUADRANT 17 TO 34 FT. ELSEWHERE WITHIN 1500
NM S SEMICIRCLE AND 780 NM NW QUADRANT WINDS 20 TO 30 KT. SEAS
10 TO 20 FT.

...GALE WARNING...
.LOW 48N164E 993 MB DRIFTING S. WITHIN 420 NM SE AND 480 NM SW
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 16 FT. ELSEWHERE WITHIN
180 NM NW...780 NM NE AND 240 NM SE QUADRANTS WINDS TO 25 KT.
SEAS TO 11 FT.
.24 HOUR FORECAST LOW 46N168E 996 MB. FROM 32N TO 47N W OF 170E
WINDS 25 TO 40 KT. SEAS 10 TO 16 FT. ELSEWHERE FROM 30N TO 54N W
OF 170W WINDS TO 25 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW 45N172E 998 MB. WITHIN 720 NM S SEMICIRCLE
WINDS 25 TO 40 KT. SEAS 9 TO 18 FT. ELSEWHERE FROM 30N TO 50N W
OF 180W WINDS TO 25 KT. SEAS 8 TO 14 FT.

...GALE WARNING...
.FROM 30N TO 40N BETWEEN 116W AND 127W WINDS 20 TO 30 KT. SEAS 8
TO 15 FT.
.24 HOUR FORECAST FROM 30N TO 40N BETWEEN 119W AND 130W WINDS TO
25 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST 30N TO 44N BETWEEN 116W AND 130W WINDS 25 TO
40 KT. SEAS 8 TO 14 FT.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE FROM 56N147W TO
59N179W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NE OF A
56N171W TO 59N179E.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NE OF A LINE
FROM 56N168W TO 60N179W.

.SYNOPSIS AND FORECAST.

.LOW 45N130W 1011 MB MOVING NE 30 KT. WITHIN 360 NM SE AND 780
NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND. FROM 40N TO 51N BETWEEN
124W AND 140W WINDS TO 25 KT. SEAS TO 12 FT.
.48 HOUR FORECAST FROM 44N TO 51N BETWEEN 124W AND 130W WINDS TO
25 KT. SEAS TO 9 FT.

.LOW 59N146W 995 MB MOVING NE 10 KT. FROM 50N TO 60N BETWEEN
133W AND 157W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED BELOW.

.EXCEPT AS NOTED IN WARNINGS SECTION ABOVE FROM 30N TO 60N
BETWEEN 116W AND 165W WINDS TO 25 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST EXCEPT AS NOTED WARNINGS SECTION ABOVE FROM
30N TO 60N BETWEEN 116W AND 145W WINDS TO 25 KT. SEAS 8 TO 14
FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS SECTIONS ABOVE
FROM 30N TO 40N BETWEEN 116W AND 140W WINDS TO 25 KT. SEAS TO 12
FT.

.BOGOSLOF VOLCANO AT 54N168W IS IN A STATE OF UNREST. MARINERS
TRAVELING IN THE VICINITY OF THE 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.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 33N TO 46N BETWEEN 127W AND 145W AND FROM 30N TO 42N
BETWEEN 164W AND 180W.
.24 HOUR FORECAST DENSE FOG FROM 30N TO 50N BETWEEN 142W AND
173W.
.48 HOUR FORECAST DENSE FOG FROM 30N TO 57N BETWEEN 133W AND
161W.

.HIGH 33N132W 1030 MB MOVING W 20 KT.
.24 HOUR FORECAST HIGH 33N141W 1032 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 36N148W 1026 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 40N137W 1032 MB.
.48 HOUR FORECAST HIGH 36N133W 1031 MB.

.FORECASTER HOLLEY. 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 0600 UTC WED MAR 29.
24 HOUR FORECAST VALID 0600 UTC THU MAR 30.
48 HOUR FORECAST VALID 0600 UTC FRI MAR 31.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.N OF 29N BETWEEN 119W AND 124W N WINDS 20 TO 25 KT. SEAS 11 TO
13 FT. ELSEWHERE N OF 20N W OF 110W WINDS 20 KT OR LESS. SEAS 8
TO 12 FT IN NW SWELL.
.24 HOUR FORECAST N OF 20N W OF 110W WINDS 20 KT OR LESS. SEAS 8
TO 11 FT IN NW SWELL.
.48 HOUR FORECAST N OF 28N BETWEEN 118W AND 125W N WINDS 20 TO
25 KT. SEAS 10 TO 12 FT. ELSEWHERE W OF LINE FROM 28N115W TO
18N132...EXCEPT N OF 27N W OF 132W...WINDS 20 KT OR LESS. SEAS 8
TO 9 FT IN NW SWELL.

.FROM 17N TO 20N W OF 134W NE WINDS 20 TO 25 KT. SEAS 10 TO 11
FT. ELSEWHERE W OF LINE FROM 20N110W TO 08N120W TO 00N140W WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST W OF LINE FROM 20N110W TO 06N122W TO 03N140W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST FROM 05N TO 18N W OF 132W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.

.48 HOUR FORECAST GULF OF CALIFORNIA N OF 29N SW TO W WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0900 UTC WED MAR 29...

SCATTERED MODERATE ISOLATED STRONG FROM 01S TO 03S E OF 86W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 06N88W TO 02N102W TO 02N128W. NO SIGNIFICANT
CONVECTION ASSOCIATED WITH ITCZ.

.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.

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

SYNOPSIS VALID 0600 UTC MAR 29 2017.
24 HOUR FORECAST VALID 0600 UTC MAR 30 2017.
48 HOUR FORECAST VALID 0600 UTC MAR 31 2017.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 30N178W TO 22N170E TO 18N160E MOVING E 25 KT N OF
22N...AND NEARLY STATIONARY ELSEWHERE. W TO NW WINDS 25 TO 40 KT
WITHIN 840 NM W OF FRONT N OF 27N. S TO SW WINDS 25 TO 35 KT
WITHIN 420 NM E OF FRONT N OF 26N. N TO NE WINDS 20 TO 25 KT
WITHIN 210 NM N OF FRONT W OF 168E.
.24 HOUR FORECAST FRONT FROM 30N166W TO 24N174W TO 20N172E TO
16N160E. S TO SW WINDS 20 TO 25 KT WITHIN 180 NM E OF FRONT N OF
28N. N TO NE WINDS 20 TO 25 KT WITHIN 180 NM N OF FRONT W OF
174E.
.48 HOUR FORECAST FRONT FROM 30N157W TO 26N165W TO 21N178E TO
17N160E. NE WINDS 20 TO 25 KT WITHIN 150 NM N OF FRONT W OF
162W.

.SYNOPSIS AND FORECAST.

.NE TO E WINDS 20 TO 25 KT FROM 06N TO 22N E OF 150W...FROM 06N
TO 16N BETWEEN 150W AND 167W...AND FROM 08N TO 11N BETWEEN 167W
AND 180E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 22N E OF
150W...AND FROM 06N TO 16N BETWEEN 150W AND 165W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 20N E OF
150W...AND FROM 10N TO 15N BETWEEN 150W AND 160W.

.24 HOUR FORECAST NEW TROUGH FROM 05N164E TO 01N164E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.RIDGE FROM 30N141W TO 26N160W TO 22N176E NEARLY
STATIONARY...AND GRADUALLY ERODING FROM THE W.

.RIDGE FROM 26N160E TO 23N170E MOVING E 20 KT.

.48 HOUR FORECAST NEW HIGH 28N179E 1024 MB.

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

.SEAS 12 TO 29 FT NW OF A LINE FROM 30N179W TO 20N160E. SEAS 8
TO 12 FT ELSEWHERE NW OF A LINE FROM 30N173W TO 19N160E. SEAS 8
TO 11 FT E OF 170W. SEAS 8 TO 10 FT FROM 04N TO 20N BETWEEN 170W
AND 180E.
.24 HOUR FORECAST SEAS 12 TO 23 FT N OF A LINE FROM 30N169W TO
18N173E TO 30N167E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM
30N163W TO 12N172E TO 12N160E. SEAS 8 TO 10 FT FROM 02N TO 27N E
OF 157W...AND FROM 04N TO 18N BETWEEN 157W AND 170W. SEAS 8 TO 9
FT FROM 04N TO 12N BETWEEN 170W AND 177E.
.48 HOUR FORECAST SEAS 12 TO 19 FT N OF A LINE FROM 30N156W TO
18N172W TO 30N178W. SEAS 8 TO 12 FT ELSEWHERE N OF 04N BETWEEN
155W AND 170E. SEAS 8 TO 10 FT FROM 04N TO 24N E OF 155W...AND
FROM 12N TO 24N W OF 170E.

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

.SCATTERED MODERATE TO LOCALLY STRONG TSTMS FROM 01N TO 07N W OF
171E. ISOLATED TSTMS FROM 03N TO 09N BETWEEN 175W AND 174W.

$$

.FORECASTER HOUSTON. HONOLULU HI.



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