High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 290938
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU JUN 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUN 29.
24 HOUR FORECAST VALID 0600 UTC JUN 30.
48 HOUR FORECAST VALID 0600 UTC JUL 01.

.WARNINGS.

...GALE WARNING...
.LOW 55N150W 1000 MB MOVING NW 10 KT. FRONT EXTENDS FROM LOW
CENTER TO 56N148W TO 50N143W TO 43N144W TO 39N147W. OVER
FORECAST WATERS WITHIN 360 NM N QUADRANT AND WITHIN 240 NM E AND
SE OF THE FRONT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 56N153W 1002 MB. WITHIN 180 NM N QUADRANT
AND WITHIN 180 NM N AND E OF A FRONT TO EXTEND FROM LOW CENTER
TO 58N142W TO 55N137W TO 36N145W WINDS 25 TO 35 KT. SEAS TO 12
FT.
.48 HOUR FORECAST LOW 55N155W 1004 MB. WITHIN 600 NM S QUADRANT
WINDS TO 25 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.

.OVER FORECAST WATERS E OF A LINE FROM 44N128W TO 31N126W WINDS
20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST E OF A LINE FROM 42N128W TO 31N125W WINDS 20
TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST E OF A LINE FROM 42N126W TO 31N127W WINDS 20
TO 30 KT. SEAS TO 12 FT.

.LOW 46N168W 1000 MB MOVING NE 15 KT. WITHIN 840 NM S QUADRANT
WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 49N159W 1005 MB. WITHIN 480 NM S QUADRANT
WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW 56N141W 1006 MB. OVER FORECAST WATERS
WITHIN 180 NM E OF A FRONT TO EXTEND FROM LOW CENTER TO 54N135W
TO 46N134W TO 40N137W WINDS 20 TO 30 KT. SEAS TO 9 FT.

.LOW 49N174E 998 MB MOVING E 15 KT. WITHIN 540 NM S QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 50N175W 1003 MB. WITHIN 420 NM S QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.24 HOUR FORECAST LOW 36N170E 1012 MB. OVER FORECAST WATERS
WITHIN 300 NM OF LOW CENTER WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

.48 HOUR FORECAST LOW 57N176E 999 MB. WITHIN 600 NM SW...AND 420
NM SE AND E QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.

.48 HOUR FORECAST LOW 33N162E 1009 MB. OVER FORECAST WATERS
WITHIN 240 NM OF LOW CENTER WINDS TO 25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS WITHIN 300 NM E AND SE OF A LINE FROM 54N148W TO 44N146W
TO 41N158W...FROM 35N TO 51N BETWEEN 159W AND 176W...FROM 57N TO
62N BETWEEN 170W AND 177W...AND WITHIN 180 NM N OF A LINE FROM
48N178E TO 47N161E.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM NW OF A LINE FROM
54N135W TO 42N141W...WITHIN 180 NM NE OF A LINE FROM 47N155W TO
38N146W...WITHIN 180 NM E OF A LINE FROM 44N172W TO
50N174W...WITHIN 180 NM NE OF A LINE FROM 57N173W TO
61N178W...AND NW OF A LINE FROM 52N166E TO 49N162E.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 52N BETWEEN 132W AND
139W...FROM 59N TO 61N BETWEEN 179W AND 173W...FROM 45N TO 50N
BETWEEN 160E AND 169E...AND WITHIN 180 NM N OF A LINE FROM
35N179E TO 36N164W.

.HIGH 42N133W 1025 MB MOVING S 10 KT.
.24 HOUR FORECAST HIGH 37N133W 1026 MB.
.48 HOUR FORECAST HIGH 35N135W 1026 MB.

.HIGH 30N159W 1023 MB MOVING NW 10 KT.
.24 HOUR FORECAST HIGH 32N165W 1024 MB.
.48 HOUR FORECAST HIGH 35N164W 1028 MB.

.48 HOUR FORECAST HIGH 41N170E 1023 MB.

.48 HOUR FORECAST HIGH 43N174W 1025 MB.

.FORECASTER SOMMERVILLE. 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 THU JUN 29.
24 HOUR FORECAST VALID 0600 UTC FRI JUN 30.
48 HOUR FORECAST VALID 0600 UTC SAT JUL 01.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.S OF LINE FROM 00N122W TO 09N100W TO 09N93W TO 01S92W TO 01S88W
TO 07N88W TO 07N82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S
SWELL.
.24 HOUR FORECAST S OF LINE FROM 00N127W TO 08N95W TO 03.4S91W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S SWELL.
.48 HOUR FORECAST S OF LINE FROM 00N129W TO 05N118W TO 04N102W
TO 03.4N99W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S SWELL.

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

CONVECTION VALID AT 0900 UTC THU JUN 29...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 11N109W TO 09N118W. ITCZ FROM
09N118W TO 09N124W TO 07N131W TO 07N140W. SCATTERED MODERATE
ISOLATED STRONG FROM 06N TO 10N BETWEEN 78W AND 93W...AND FROM
06N TO 10N BETWEEN 125W AND 138W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.



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