High Seas Forecast
Issued by NWS

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000
FZPN01 KWBC 011618
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 01.
24 HOUR FORECAST VALID 1200 UTC AUG 02.
48 HOUR FORECAST VALID 1200 UTC AUG 03.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 48N162W 1009 MB. FROM 45N TO 53N
BETWEEN 178E AND 155W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.36 HOUR FORECAST LOW 50N161W 1003 MB. WITHIN 240 NM N AND NW
QUADRANTS WINDS 25 TO 35 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 51N161W 1000 MB. WITHIN 300 NM N AND W
QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE FROM 51N
TO 60N BETWEEN 172W AND 162W...WITHIN 300 NM E AND SE OF A FRONT
TO EXTEND FROM LOW CENTER 48N159W TO 45N162W TO 37N163W...AND
WITHIN 420 NM E AND 240 NM S QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 9 FT.

.SYNOPSIS AND FORECAST.

.LOW 44N178W 1006 MB MOVING E 10 KT. WITHIN 180 NM N OF A FRONT
FROM 48N177E TO 47N167W AND WITHIN 300 NM E AND SE OF ANOTHER
FRONT FROM 47N170W TO LOW CENTER TO 38N175E WINDS TO 25 KT. SEAS
TO 8 FT.
.24 HOUR FORECAST LOW 44N171W 1007 MB. WITHIN 300 NM S QUADRANT
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED ABOVE
WITH LOW 51N161W.

.LOW 38N172E 1010 MB MOVING E 20 KT. WITHIN 240 NM SW QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 38N178W 1005 MB. WITHIN 300 NM S AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 41N173W 1003 MB. WITHIN 300 NM N QUADRANT
AND WITHIN 240 NM SE OF A FRONT TO EXTEND FROM LOW CENTER TO
38N176W TO 34N179E WINDS 20 TO 30 KT. SEAS TO 11 FT.

.LOW W OF AREA 50N156E 1003 MB MOVING NE 10 KT. OVER FORECAST
WATERS FROM 45N TO 52N W OF 166E WINDS 20 TO 30 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST LOW NE OF AREA 53N162E 1002 MB. FROM 47N TO
56N BETWEEN 175E TO 163E WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW WELL E OF AREA. FROM 46N TO 56N BETWEEN
177E AND 167E WINDS TO 25 KT. SEAS TO 8 FT.

.OVER FORECAST WATERS E OF A LINE FROM 48N130W TO 41N130W WINDS
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 180 NM E OF A LINE FROM 48N130W TO
31N132W WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WITHIN 180 NM E OF A LINE FROM 49N130W TO
45N129W WINDS TO 25 KT. SEAS LESS THAN 8 FT.

.OVER FORECAST WATERS N OF 60N W OF 162W WINDS TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST NW OF A LINE FROM 60N179W TO 63N163W WINDS TO
25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST W OF A LINE FROM 62N172W TO 64N167W WINDS TO
25 KT. SEAS LESS THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS WITHIN 420 NM N OF A LINE FROM 44N152W TO 41N177W TO
46N171E TO 46N165E..AND FROM 54N TO 57N BETWEEN 173W AND 179W.
.24 HOUR FORECAST DENSE FOG WITHIN 420 NM NE OF A LINE FROM
46N147W TO 39N171W...WITHIN 360 NM W OF A LINE FROM 52N173E TO
41N167E...AND WITHIN 60 NM OF 55N175W.
.48 HOUR FORECAST DENSE FOG WITHIN A REGION BOUNDED BY A LINE
FROM 53N158W TO 42N173W TO 39N171W TO 47N145W TO 53N158W...AND
WITHIN 180 NM W OF A LINE FROM 51N169E TO 45N172W.

.HIGH 48N133W 1023 MB MOVING N 05 KT.
.24 HOUR FORECAST HIGH DISSIPATED.

.HIGH 54N142W 1022 MB MOVING NW 05 KT.
.24 HOUR FORECAST HIGH 54N147W 1023 MB.
.48 HOUR FORECAST HIGH 51N142W 1024 MB.

.HIGH 52N151W 1022 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH MERGED WITH HIGH 54N147W.

.HIGH 44N141W 1025 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 44N141W 1024 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 40N153W 1026 MB MOVING NE 10 KT.
.24 HOUR FORECAST HIGH 42N149W 1025 MB.
.48 HOUR FORECAST LITTLE CHANGE.

.HIGH 57N171W 1028 MB NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST HIGH 57N175W 1027 MB.

.FORECASTER SOMMERVILLE. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQU/LATER T


AND IS FORECAST TO SLOW ITS FORWARD MOTION TONIGHT.ATOR TO 30N E
OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1200 UTC SAT AUG 01.
24 HOUR FORECAST VALID 1200 UTC SUN AUG 02.
48 HOUR FORECAST VALID 1200 UTC MON AUG 03.

.WARNINGS.

..HURRICANE WARNING...
.HURRICANE GUILLERMO NEAR 13.5N 139.0W 970 MB AT 1500 UTC AUG 01
MOVING W OR 280 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 240 NM NW AND SE
QUADRANTS...360 NM NE QUADRANT AND 180 NM SW QUADRANT WITH SEAS
TO 35 FT. ELSEWHERE WITHIN 270 NM OF CENTER EXCEPT 330 NM NE
QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER FORECAST
WATERS FROM 07N TO 20N BETWEEN 127W AND 140W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.12 HOUR FORECAST HURRICANE GUILLERMO JUST W OF AREA NEAR 13.9N
141.0W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. LITTLE
CHANGE IN RADIUS OF TROPICAL STORM FORCE WINDS. SEAS 12 FT OR
GREATER WITHIN 270 NM NW AND 240 NM SE QUADRANTS...360 NM NE
QUADRANT AND 210 NM SW QUADRANT WITH TO SEAS TO 34 FT. ELSEWHERE
WITHIN 270 NM OF CENTER...EXCEPT 390 NM NE QUADRANT WINDS 20 TO
33 KT. SEAS 8 TO 11 FT. REMAINDER FORECAST WATERS FROM 07N TO
23N BETWEEN 127W AND 140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GUILLERMO NEAR 14.5N 143.0W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER WITH SEAS
TO 32 FT. ELSEWHERE WITHIN 300 NM OF CENTER...EXCEPT 420 NM E
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER
FORECAST WATERS FROM 10N TO 23N BETWEEN 127W AND 140W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE GUILLERMO NEAR 16.2N 146.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM E SEMICIRCLE...60 NM SW QUADRANT AND 90 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM OF CENTER...EXCEPT
300 NM NE QUADRANT WITH SEAS TO 29 FT. ELSEWHERE WITHIN 240 NM
OF CENTER EXCEPT 390 NM NE QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO
11 FT. REMAINDER FORECAST WATERS FROM 15N TO 23N BETWEEN 138W
AND 140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 17.5N 148.5W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. EXTENDED
OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 19.0N 151.5W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM GUILLERMO NEAR 20.7N 155.0W.
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.

.WITHIN 90 NM OF LINE FROM 11N86W TO 10N90W TO 09N93W...
INCLUDING THE GULF OF PAPAGAYO...WINDS 20 KT OR LESS. SEAS TO 9
FT PRIMARILY IN MIXED NE AND SW SWELL.
.24 HOUR FORECAST WITHIN 60 NM OF LINE FROM 11N86W TO 10.5N90W
...INCLUDING THE GULF OF PAPAGAYO...WINDS 20 KT OR LESS. SEAS TO
8 FT IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 60 NM OF LINE FROM 11.5N86W TO 11N88W
TO 11N91W...INCLUDING THE GULF OF PAPAGAYO...WINDS 20 KT OR
LESS. SEAS TO 9 FT PRIMARILY IN SW SWELL.

.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 1545 UTC SAT AUG 01...

.HURRICANE GUILLERMO...NUMEROUS STRONG WITHIN 75 NM OF CENTER.
SCATTERED STRONG ELSEWHERE WITHIN 180 NM OF CENTER. SCATTERED
MODERATE ISOLATED STRONG IN OUTER BANDS FROM 11N TO 17N BETWEEN
134W AND 136W AND WITHIN 30 NM OF 16N129W.

SCATTERED MODERATE TO STRONG ELSEWHERE WITHIN 150 NM OF LINE
FROM 14N132W TO 13N140W.

.TROPICAL WAVE ALONG 108W FROM 06N TO 15N...SCATTERED
MODERATE ISOLATED STRONG WITHIN 120 NM W OF WAVE FROM
09N TO 10N.

.SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM OF THE COAST OF
MEXICO FROM 17N TO 23N.

.SCATTERED MODERATE WITHIN 30 NM OF 15.5N103W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 09N85W TO 08N92W TO 09N99W. ITCZ AXIS
EXTENDS FROM 09N99W TO 09N108W...THEN FROM 08N111W TO 06N120W TO
05N127W TO 05N140W. SCATTERED MODERATE ISOLATED STRONG N OF 03N
BETWEEN 78W AND 81W AND WITHIN 60 NM OF THE ITCZ W OF 137W.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.


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