High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 012132
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT AUG 01 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 1800 UTC AUG 01.
24 HOUR FORECAST VALID 1800 UTC AUG 02.
48 HOUR FORECAST VALID 1800 UTC AUG 03.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 50N147W 1007 MB. WITHIN 300 NM N AND
NE QUADRANTS WINDS 25 TO 35 KT. SEAS TO 10 FT. ELSEWHERE WITHIN
300 NM NW AND 360 NM S QUADRANTS AND WITHIN 300 NM N OF A LINE
FROM 47N164W TO 44N173W TO 46N177E WINDS 20 TO 30 KT. SEAS TO 8
FT.
.48 HOUR FORECAST LOW 52N159W 1003 MB. WITHIN 300 NM N AND NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN
240 NM W AND S...480 NM NW AND NE QUADRANTS AND WITHIN 300 NM E
OF A FRONT TO EXTEND FROM 49N155W TO 42N161W TO 38N166W WINDS 20
TO 30 KT. SEAS TO 9 FT.

.SYNOPSIS AND FORECAST.

.LOW 45N179W 1006 MB MOVING E 10 KT. WITHIN 180 NM N OF A LINE
FROM 48N165W TO 48N178W AND WITHIN 300 NM E OF A FRONT FROM
44N175W TO 37N177W WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED ABOVE
WITH LOW 50N147W.

.LOW 37N174E 1009 MB MOVING NE 15 KT. WITHIN 420 NM SW QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 39N176W 1002 MB. WITHIN 420 NM S AND 300
NM W QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 42N175W 1005 MB. WITHIN 420 NM N AND NE
AND 480 NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 11 FT.

.LOW W OF AREA 53N159W 1002 MB MOVING NE 10 KT. OVER FORECAST
WATERS FROM 44N TO 53N W OF 167E WINDS 20 TO 30 KT. SEAS TO 10
FT.
.24 HOUR FORECAST LOW NW OF AREA 55N162E 1004 MB. FROM 49N TO
57N BETWEEN 177E AND 165E WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW NW OF AREA 56N158E 1008 MB. WITHIN 240 NM
W OF A LINE FROM 49N176E TO 56N173E WINDS TO 25 KT. SEAS TO 9 FT.

.OVER FORECAST WATERS E OF A LINE FROM 48N130W TO 42N131W WINDS
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST E OF A LINE FROM 49N129W TO 45N128W WINDS TO
25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST E OF A LINE FROM 52N134E TO 46N127W WINDS TO
25 KT. SEAS LESS THAN 8 FT.

.OVER FORECAST WATERS N OF 61N W OF 162W WINDS TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST WATERS N OF 62N W OF 163W WINDS TO 25 KT. SEAS
TO 8 FT.
.48 HOUR FORECAST W OF A LINE FROM 64N167W TO 62N171W WINDS TO
25 KT. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST OVER FORECAST WATERS E OF A LINE FROM 35N124W
30N119W WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST E OF A LINE FROM 35N124W TO 30N121W WINDS TO
25 KT. SEAS LESS THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS WITHIN 360 NM S AND W OF A LINE FROM 50N152W TO 47N175W
TO 52N179E...FROM 45N TO 55N W OF 172E...AND WITHIN 120 NM OF
55N177W.
.24 HOUR FORECAST DENSE FOG WITHIN 480 NM N OF A LINE FROM
47N143W TO 38N173W...AND FROM 42N TO 53N BETWEEN 172E AND 163E.
.48 HOUR FORECAST DENSE FOG WITHIN 420 NM NW OF A LINE FROM
48N144W TO 38N168W...AND FROM 45N TO 52N BETWEEN 172E AND 164E.

.HIGH 55N143W 1023 MB MOVING W 05 KT.
.24 HOUR FORECAST HIGH 54N148W 1023 MB.
.48 HOUR FORECAST HIGH 50N140W 1024 MB.

.HIGH 52N153W 1023 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH MERGED WITH HIGH 54N148W DESCRIBED ABOVE.

.HIGH 41N149W 1027 MB MOVING NE 05 KT.
.24 HOUR FORECAST HIGH 42N148W 1025 MB.
.48 HOUR FORECAST HIGH 43N145W 1027 MB.

.HIGH 57N170W 1029 MB MOVING NW 05 KT.
.24 HOUR FORECAST HIGH 57N173W 1029 MB.
.48 HOUR FORECAST HIGH 58N176W 1028 MB.

.24 HOUR FORECAST NEW HIGH 38N167E 1016 MB.
.48 HOUR FORECAST NEW HIGH 37N171E 1016 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 1800 UTC SAT AUG 01.
24 HOUR FORECAST VALID 1800 UTC SUN AUG 02.
48 HOUR FORECAST VALID 1800 UTC MON AUG 03.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GUILLERMO NEAR 13.8N 140.1W 970 MB AT 2100 UTC AUG 01
MOVING WNW OR 285 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 90 KT
GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE
QUADRANT...100 NM SE QUADRANT...60 NM SW QUADRANT...AND 90 NM NW
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 420 NM NE QUADRANT...240
NM SE QUADRANT...210 NM SW QUADRANT...AND 300 NM NW QUADRANT
WITH SEAS TO 38 FT. OVER FORECAST WATERS WITHIN 270 NM OF CENTER
EXCEPT 330 NM NE QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
REMAINDER FORECAST WATERS FROM 08N TO 22N BETWEEN 127W AND 140W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GUILLERMO NEAR 15.1N 143.8W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. OVER
FORECAST WATERS WITHIN 300 NM OF CENTER...EXCEPT 420 NM E
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER
FORECAST WATERS FROM 13N TO 18N BETWEEN 133W AND 140W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 16.7N 146.7W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. LITTLE CHANGE IN
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER.
ELSEWHERE WITHIN 240 NM OF CENTER EXCEPT 390 NM NE QUADRANT
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.72 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 18.2N 149.5W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. EXTENDED
OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 19.7N 152.4W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 21.0N 155.5W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.S OF LINE FROM 05N135W TO 13N113W TO 11N104W TO 03.4S93W WINDS
20 KT OR LESS. SEAS TO 8 FT IN MIXED S AND NW SWELL.
.24 HOUR FORECAST S OF LINE FROM 04N127W TO 13N111W 11N91W TO
02S92W TO 02S89W TO 03N83W TO 00S81W WINDS 20 KT OR LESS. SEAS
8 TO 9 FT IN MIXED S AND NW SWELL.
.48 HOUR FORECAST S OF LINE FROM 01N120W TO 05N109W TO 13N103W
TO 11N91W TO 04N93W TO 03S92W TO 03.4S89W TO 04N84W TO 02N81W
WINDS 20 KT OR LESS. SEAS 8 FT PRIMARILY IN S SWELL.

.18 HOUR FORECAST FROM 23N TO 27N E OF 116W WINDS 20 KT OR LESS.
SEAS TO 8 FT PRIMARILY IN MIXED S AND NW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 23N TO 30N E OF 117W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN MIXED S AND NW SWELL.

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

CONVECTION VALID 2100 UTC SAT AUG 01...

.HURRICANE GUILLERMO...NUMEROUS STRONG WITHIN 120 NM N AND 60 NM
S SEMICIRCLES OF CENTER. SCATTERED MODERATE TO STRONG ELSEWHERE
WITHIN 180 NM NE AND 120 NM SE SEMICIRCLES OF CENTER. SCATTERED
MODERATE ISOLATED STRONG IN OUTER BANDS FROM 12N TO 15N BETWEEN
133W AND 137W.

SCATTERED MODERATE TO STRONG WITHIN 150 NM OF LINE FROM 15N129W
TO 17N133W.

.TROPICAL WAVE ALONG 110W FROM 07N TO 16N...SCATTERED MODERATE
ISOLATED STRONG WITHIN 180 NM E OF WAVE AXIS FROM 08N TO 11N.

.SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM OF
20.5N107.5W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 08N83W TO 06N95W. ITCZ AXIS EXTENDS
FROM 06N95W TO 07N110W TO 05N125W TO 06N140W. SCATTERED MODERATE
TO STRONG WITHIN 120 NM OF THE AXIS BETWEEN 130W AND 133W.
SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM N OF ITCZ
BETWEEN 102W AND 112W.

.FORECASTER COBB. NATIONAL HURRICANE CENTER.


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