High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 270934
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC MON FEB 27 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 27.
24 HOUR FORECAST VALID 0600 UTC FEB 28.
48 HOUR FORECAST VALID 0600 UTC MAR 01.

.WARNINGS.

...STORM WARNING...
.LOW 45N161E 1004 MB MOVING NE 20 KT. OVER FORECAST WATERS
WITHIN 540 NM NE AND 480 NM S QUADRANTS WINDS 30 TO 45 KT. SEAS
9 TO 17 FT.
.06 HOUR FORECAST LOW 47N161E 1001 MB. WITHIN 120 NM SW QUADRANT
WINDS 40 TO 50 KT. SEAS 16 TO 19 FT.
.24 HOUR FORECAST LOW NW OF AREA 53N162E 995 MB. WITHIN 660 NM
NE...900 NM SE...AND 540 NM S QUADRANTS WINDS 30 TO 45 KT. SEAS
10 TO 22 FT.
.48 HOUR FORECAST LOW NW OF AREA 54N153E 992 MB. WITHIN 600 NM
SE QUADRANT AND WITHIN 360 NM NE OF A FRONT TO EXTEND FROM
55N170E TO 52N174E WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.

...STORM WARNING...
.OVER FORECAST WATERS WITHIN 480 NM SW OF A LINE FROM 59N151W TO
54N134W AREA OF W TO NW WINDS 25 TO 35 KT. SEAS TO 11 FT.
.24 HOUR FORECAST NEW LOW 59N143W 997 MB. FROM 56N TO 59N
BETWEEN 144W AND 153W WINDS 40 TO 50 KT. SEAS 12 TO 20 FT.
ELSEWHERE WITHIN 540 NM S AND SW QUADRANTS WINDS 25 TO 40 KT.
SEAS 8 TO 14 FT.
.48 HOUR FORECAST LOW 57N136W 997 MB. WITHIN 420 NM S...720 NM
SW...AND 240 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 22 FT.

...GALE WARNING...
.LOW 35N165W 1014 MB MOVING NW 15 KT. WITHIN 420 NM N...AND 600
NM NE AND E QUADRANTS WINDS 25 TO 35 KT. SEAS 11 TO 18 FT.
.24 HOUR FORECAST LOW 40N169W 1014 MB. WITHIN 540 NM NE AND 780
NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 13 FT.
.48 HOUR FORECAST LOW 46N162W 1013 MB. WITHIN 240 NM E OF A LINE
FROM 46N155W TO 35N159W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

...GALE WARNING...
.LOW 40N171E 1009 MB MOVING NW 25 KT. WITHIN 240 NM NE AND 300
NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 121 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
53N162E DESCRIBED ABOVE.

...GALE WARNING...
.24 HOUR FORECAST OVER FORECAST WATERS FROM 31N TO 34N W OF 163E
AREA OF E WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 33N164E 1003 MB. WITHIN 180 NM N AND NW
SEMICIRCLES WINDS 30 TO 45 KT. SEAS 10 TO 17 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 47N180W 1006 MB. WITHIN 660 NM
NE...480 NM SE...AND 360 NM SW AND W QUADRANTS WINDS 25 TO 35
KT. SEAS 9 TO 16 FT.

...HEAVY FREEZING SPRAY WARNING...
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 59N AND
W OF 170W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 57N154W TO 57N166W TO 61N177W.

.SYNOPSIS AND FORECAST.

.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.

.LOW 47N125W 1007 MB MOVING E 10 KT. WITHIN 720 NM SW AND 480 NM
NW QUADRANTS WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.
.24 HOUR FORECAST LOW INLAND 47N119W 1007 MB. OVER FORECAST
WATERS WITHIN 660 NM W QUADRANT WINDS TO 25 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 31N139W 1016 MB MOVING SE 15 KT. OVER FORECAST WATERS
WITHIN 300 NM N AND 480 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS
8 TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS S OF
AREA.

.OVER ICE FREE FORECAST WATERS N OF 57N BETWEEN 173W AND 180W
AREA OF W TO NW WINDS TO 25 KT. SEAS 10 TO 13 FT.
.24 HOUR FORECAST W OF THE ALEUTIAN ISLANDS AND NE OF A LINE
FROM 61N177W TO 55N163W AREA NW WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST N OF 55N BETWEEN 159W AND 170W AREA OF N TO NE
WINDS 20 TO 30 KT. SEAS TO 8 FT.

.48 HOUR FORECAST OVER FORECAST WATERS FROM 32N TO 36N BETWEEN
120W AND 124W AREA OF N TO NW WINDS TO 25 KT. SEAS TO 9 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM SE OF
A LINE FROM 47N177E TO 44N172E TO 40N172E.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 48N BETWEEN 161W AND
170W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 46N BETWEEN 153W AND
173W.

.HIGH 48N157W 1041 MB MOVING SE 15 KT.
.24 HOUR FORECAST HIGH 45N151W 1034 MB.
.48 HOUR FORECAST HIGH 38N138W 1033 MB.

.HIGH 56N175E 1038 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST NEW HIGH 35N165W 1021 MB.

.FORECASTER BELL. 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 MON FEB 27.
24 HOUR FORECAST VALID 0600 UTC TUE FEB 28.
48 HOUR FORECAST VALID 0600 UTC WED MAR  1.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 20N125W TO 26N130W. WITHIN AREA BOUNDED BY
30N140W TO 30N138W TO 28N140W TO 30N140W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N125W TO 22N135W. WITHIN
AREA BOUNDED BY 30N140W TO 28N135W TO 26N140W TO 30N140W WINDS
20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 27N114W TO 23N120W. WITHIN
AREA BOUNDED BY 30N140W TO 30N120W TO 17N140W TO 30N140W WINDS
20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.

.FROM 07N TO 12N BETWEEN 130W AND 135W WINDS 20 KT OR LESS. SEAS
8 FT IN NE WIND WAVES AND NW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 05N TO 16N W OF 115W WINDS 20 KT OR LESS.
SEAS 8 FT IN MIXED NE WIND WAVES AND NW SWELL.

.FROM 10.5N TO 12N E OF 88W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 10N TO 12.5N...INCLUDING GULF OF
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST FROM 10.5N TO 12N E OF 90W...INCLUDING GULF OF
PAPAGAYO...E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 10N TO 12.5N E OF 88W...INCLUDING GULF OF
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST GULF OF CALIFORNIA COLD FRONT APPROACHING FROM
WEST. N OF 29N SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST GULF OF CALIFORNIA COLD FRONT FROM 31N113W TO
24N119W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0900 UTC MON FEB 27...

.SURFACE TROUGH FROM 11N111W TO 04N115W. SCATTERED MODERATE
WITHIN 60 NM EITHER SIDE OF TROUGH.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ FROM 03N118W TO 00N130W TO 00N140W. SCATTERED MODERATE TO
ISOLATED STRONG WITHIN 60 NM NORTH OF THE ITCZ BETWEEN 120W AND
125W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.



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